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Sunday, Nov 08, 2026 07:17:26

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Small Craft Advisory 0092
Issued by the Chicago Forecast Office

Action Issued Starts Expiration
New 2026-11-01 13:59:21 2026-11-02 18:00:00 2026-11-04 06:00:00
Continued 2026-11-01 21:04:04 2026-11-02 18:00:00 2026-11-04 06:00:00
Continued 2026-11-02 03:11:44 2026-11-02 18:00:00 2026-11-04 06:00:00
Time and Area Extended 2026-11-02 03:11:44 2026-11-03 09:00:00 2026-11-04 06:00:00
Continued 2026-11-02 09:35:16 2026-11-02 18:00:00 2026-11-04 06:00:00
Continued 2026-11-02 09:35:16 2026-11-03 09:00:00 2026-11-04 06:00:00
Continued 2026-11-02 14:14:54 2026-11-02 18:00:00 2026-11-04 06:00:00
Continued 2026-11-02 14:14:54 2026-11-03 09:00:00 2026-11-04 06:00:00
Continued 2026-11-03 09:31:54 2026-11-04 06:00:00
Time Extended 2026-11-03 14:33:36 2026-11-04 21:00:00
Continued 2026-11-03 21:24:18 2026-11-04 21:00:00
Time Extended 2026-11-04 02:55:55 2026-11-05 15:00:00
Continued 2026-11-04 09:55:14 2026-11-05 15:00:00
Continued 2026-11-04 13:55:31 2026-11-05 15:00:00
Continued 2026-11-04 21:28:45 2026-11-05 15:00:00
Time Extended 2026-11-05 03:03:25 2026-11-05 09:00:00
Time Extended 2026-11-05 03:03:25 2026-11-05 09:00:00
Expired 2026-11-05 08:37:42 2026-11-05 09:00:00
Expired 2026-11-05 08:37:42 2026-11-05 09:00:00


Action: New
Issued At: 2026-11-01 13:59:21

615 
WHUS73 KLOT 011958
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
158 PM CST Sun Nov 1 2026

LMZ740>742-020400-
/O.NEW.KLOT.SC.Y.0092.261103T0000Z-261104T1200Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
158 PM CST Sun Nov 1 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM MONDAY TO 6 AM CST
WEDNESDAY...

* WHAT...South winds to 25 kt and significant waves to 6 ft
  occasionally to 8 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...From 6 PM Monday to 6 AM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-11-01 21:04:04

695 
WHUS73 KLOT 020303
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
903 PM CST Sun Nov 1 2026

LMZ740>742-021115-
/O.CON.KLOT.SC.Y.0092.261103T0000Z-261104T1200Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
903 PM CST Sun Nov 1 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM MONDAY TO
6 AM CST WEDNESDAY...

* WHAT...South winds to 25 kt and significant waves to 6 ft 
  occasionally to 8 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...From 6 PM Monday to 6 AM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-11-02 03:11:44

726 
WHUS73 KLOT 020911
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
311 AM CST Mon Nov 2 2026

LMZ743>745-021715-
/O.EXB.KLOT.SC.Y.0092.261103T1500Z-261104T1200Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
311 AM CST Mon Nov 2 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM TUESDAY TO 6 AM CST
WEDNESDAY...

* WHAT...South winds to 30 kt and significant waves to 4 ft 
  expected.

* WHERE...Calumet Harbor IL to Michigan City IN.

* WHEN...From 9 AM Tuesday to 6 AM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ740>742-021715-
/O.CON.KLOT.SC.Y.0092.261103T0000Z-261104T1200Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
311 AM CST Mon Nov 2 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 AM CST WEDNESDAY...

* WHAT...South winds to 30 kt and significant waves to 7 ft 
  occasionally to 9 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...From 6 PM this evening to 6 AM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time and Area Extended
Issued At: 2026-11-02 03:11:44

726 
WHUS73 KLOT 020911
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
311 AM CST Mon Nov 2 2026

LMZ743>745-021715-
/O.EXB.KLOT.SC.Y.0092.261103T1500Z-261104T1200Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
311 AM CST Mon Nov 2 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM TUESDAY TO 6 AM CST
WEDNESDAY...

* WHAT...South winds to 30 kt and significant waves to 4 ft 
  expected.

* WHERE...Calumet Harbor IL to Michigan City IN.

* WHEN...From 9 AM Tuesday to 6 AM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ740>742-021715-
/O.CON.KLOT.SC.Y.0092.261103T0000Z-261104T1200Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
311 AM CST Mon Nov 2 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 AM CST WEDNESDAY...

* WHAT...South winds to 30 kt and significant waves to 7 ft 
  occasionally to 9 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...From 6 PM this evening to 6 AM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-11-02 09:35:16

829 
WHUS73 KLOT 021534
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
934 AM CST Mon Nov 2 2026

LMZ740>742-022345-
/O.CON.KLOT.SC.Y.0092.261103T0000Z-261104T1200Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
934 AM CST Mon Nov 2 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 AM CST WEDNESDAY...

* WHAT...South winds to 30 kt and significant waves to 7 ft 
  occasionally to 9 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...From 6 PM this evening to 6 AM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ743>745-022345-
/O.CON.KLOT.SC.Y.0092.261103T1500Z-261104T1200Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
934 AM CST Mon Nov 2 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TUESDAY TO
6 AM CST WEDNESDAY...

* WHAT...South winds to 30 kt and significant waves to 4 ft 
  expected.

* WHERE...Calumet Harbor IL to Michigan City IN.

* WHEN...From 9 AM Tuesday to 6 AM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-11-02 09:35:16

829 
WHUS73 KLOT 021534
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
934 AM CST Mon Nov 2 2026

LMZ740>742-022345-
/O.CON.KLOT.SC.Y.0092.261103T0000Z-261104T1200Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
934 AM CST Mon Nov 2 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 AM CST WEDNESDAY...

* WHAT...South winds to 30 kt and significant waves to 7 ft 
  occasionally to 9 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...From 6 PM this evening to 6 AM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ743>745-022345-
/O.CON.KLOT.SC.Y.0092.261103T1500Z-261104T1200Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
934 AM CST Mon Nov 2 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TUESDAY TO
6 AM CST WEDNESDAY...

* WHAT...South winds to 30 kt and significant waves to 4 ft 
  expected.

* WHERE...Calumet Harbor IL to Michigan City IN.

* WHEN...From 9 AM Tuesday to 6 AM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-11-02 14:14:54

497 
WHUS73 KLOT 022014
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
214 PM CST Mon Nov 2 2026

LMZ740>742-030415-
/O.CON.KLOT.SC.Y.0092.261103T0000Z-261104T1200Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
214 PM CST Mon Nov 2 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 AM CST WEDNESDAY...

* WHAT...South winds to 30 kt and significant waves to 7 ft 
  occasionally to 9 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...From 6 PM this evening to 6 AM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ743>745-030415-
/O.CON.KLOT.SC.Y.0092.261103T1500Z-261104T1200Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
214 PM CST Mon Nov 2 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TUESDAY TO
6 AM CST WEDNESDAY...

* WHAT...South winds to 30 kt and significant waves to 4 ft 
  expected.

* WHERE...Calumet Harbor IL to Michigan City IN.

* WHEN...From 9 AM Tuesday to 6 AM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-11-02 14:14:54

497 
WHUS73 KLOT 022014
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
214 PM CST Mon Nov 2 2026

LMZ740>742-030415-
/O.CON.KLOT.SC.Y.0092.261103T0000Z-261104T1200Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
214 PM CST Mon Nov 2 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 AM CST WEDNESDAY...

* WHAT...South winds to 30 kt and significant waves to 7 ft 
  occasionally to 9 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...From 6 PM this evening to 6 AM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ743>745-030415-
/O.CON.KLOT.SC.Y.0092.261103T1500Z-261104T1200Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
214 PM CST Mon Nov 2 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TUESDAY TO
6 AM CST WEDNESDAY...

* WHAT...South winds to 30 kt and significant waves to 4 ft 
  expected.

* WHERE...Calumet Harbor IL to Michigan City IN.

* WHEN...From 9 AM Tuesday to 6 AM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-11-03 09:31:54

058 
WHUS73 KLOT 031531
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
931 AM CST Tue Nov 3 2026

LMZ740>745-032345-
/O.CON.KLOT.SC.Y.0092.000000T0000Z-261104T1200Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
931 AM CST Tue Nov 3 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...

* WHAT...South winds to 30 kt and significant waves to 6 ft
  occasionally to 8 ft occurring. Occasional gales to 35 kt
  expected through this evening.

* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL 
  to Michigan City IN.

* WHEN...Until 6 AM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-11-03 14:33:36

761 
WHUS73 KLOT 032033
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
233 PM CST Tue Nov 3 2026

LMZ740>745-040445-
/O.EXT.KLOT.SC.Y.0092.000000T0000Z-261105T0300Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
233 PM CST Tue Nov 3 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM CST WEDNESDAY...

* WHAT...South winds to 30 kt and significant waves to 5 ft.

* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL 
  to Michigan City IN.

* WHEN...Until 9 PM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-11-03 21:24:18

988 
WHUS73 KLOT 040324
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
924 PM CST Tue Nov 3 2026

LMZ740>745-041130-
/O.CON.KLOT.SC.Y.0092.000000T0000Z-261105T0300Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
924 PM CST Tue Nov 3 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST
WEDNESDAY...

* WHAT...South winds to 30 kt and significant waves to 5 ft.

* WHERE...Illinois and Indiana nearshore from Winthrop Harbor, IL
  to Michigan City, IN.

* WHEN...Until 9 PM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-11-04 02:55:55

545 
WHUS73 KLOT 040855
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
255 AM CST Wed Nov 4 2026

LMZ740>745-041700-
/O.EXT.KLOT.SC.Y.0092.000000T0000Z-261105T2100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
255 AM CST Wed Nov 4 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM CST THURSDAY...

* WHAT...Southwest winds to 25 kt and significant waves to 5 ft.
  Gusts to 30 kt briefly early this morning.

* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL 
  to Michigan City IN.

* WHEN...Until 3 PM CST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-11-04 09:55:14

409 
WHUS73 KLOT 041554
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
954 AM CST Wed Nov 4 2026

LMZ740>745-050000-
/O.CON.KLOT.SC.Y.0092.000000T0000Z-261105T2100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
954 AM CST Wed Nov 4 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST
THURSDAY...

* WHAT...Southwest winds to 25 kt and significant waves to 5 ft.

* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL 
  to Michigan City IN.

* WHEN...Until 3 PM CST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-11-04 13:55:31

670 
WHUS73 KLOT 041955
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
Issued by National Weather Service Northern Indiana
155 PM CST Wed Nov 4 2026

LMZ740>745-050400-
/O.CON.KLOT.SC.Y.0092.000000T0000Z-261105T2100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
155 PM CST Wed Nov 4 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST
THURSDAY...

* WHAT...Southwest winds to 25 kt and significant waves to 4 ft.

* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL 
  to Michigan City IN.

* WHEN...Until 3 PM CST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-11-04 21:28:45

948 
WHUS73 KLOT 050328
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
928 PM CST Wed Nov 4 2026

LMZ740>745-051130-
/O.CON.KLOT.SC.Y.0092.000000T0000Z-261105T2100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
928 PM CST Wed Nov 4 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST
THURSDAY...

* WHAT...Southwest winds to 25 kt and significant waves to 4 ft.

* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL 
  to Michigan City IN.

* WHEN...Until 3 PM CST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-11-05 03:03:25

615 
WHUS73 KLOT 050903
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
303 AM CST Thu Nov 5 2026

LMZ740>742-051715-
/O.EXT.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/
/O.NEW.KLOT.SC.Y.0093.261106T0000Z-261107T1500Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
303 AM CST Thu Nov 5 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM
CST SATURDAY...

* WHAT...For the first Small Craft Advisory, southwest winds to 
  25 kt. For the second Small Craft Advisory, northwest winds to 
  30 kt and significant waves to 10 ft occasionally to 13 ft 
  expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...For the first Small Craft Advisory, until 9 AM CST this 
  morning. For the second Small Craft Advisory, from 6 PM this 
  evening to 9 AM CST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ743>745-051715-
/O.EXT.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/
/O.NEW.KLOT.SC.Y.0093.261106T0000Z-261107T2100Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
303 AM CST Thu Nov 5 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 3 PM
CST SATURDAY...

* WHAT...For the first Small Craft Advisory, southwest winds to 25
  kt and significant waves to 4 ft. For the second Small Craft
  Advisory, northwest winds to 30 kt with a few gale force gusts
  to 35 kt and significant waves to 14 ft occasionally to 18 ft 
  expected.

* WHERE...Calumet Harbor IL to Michigan City IN.

* WHEN...For the first Small Craft Advisory, until 9 AM CST this 
  morning. For the second Small Craft Advisory, from 6 PM this 
  evening to 3 PM CST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-11-05 03:03:25

615 
WHUS73 KLOT 050903
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
303 AM CST Thu Nov 5 2026

LMZ740>742-051715-
/O.EXT.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/
/O.NEW.KLOT.SC.Y.0093.261106T0000Z-261107T1500Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
303 AM CST Thu Nov 5 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM
CST SATURDAY...

* WHAT...For the first Small Craft Advisory, southwest winds to 
  25 kt. For the second Small Craft Advisory, northwest winds to 
  30 kt and significant waves to 10 ft occasionally to 13 ft 
  expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...For the first Small Craft Advisory, until 9 AM CST this 
  morning. For the second Small Craft Advisory, from 6 PM this 
  evening to 9 AM CST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ743>745-051715-
/O.EXT.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/
/O.NEW.KLOT.SC.Y.0093.261106T0000Z-261107T2100Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
303 AM CST Thu Nov 5 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 3 PM
CST SATURDAY...

* WHAT...For the first Small Craft Advisory, southwest winds to 25
  kt and significant waves to 4 ft. For the second Small Craft
  Advisory, northwest winds to 30 kt with a few gale force gusts
  to 35 kt and significant waves to 14 ft occasionally to 18 ft 
  expected.

* WHERE...Calumet Harbor IL to Michigan City IN.

* WHEN...For the first Small Craft Advisory, until 9 AM CST this 
  morning. For the second Small Craft Advisory, from 6 PM this 
  evening to 3 PM CST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Expired
Issued At: 2026-11-05 08:37:42

363 
WHUS73 KLOT 051437
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
837 AM CST Thu Nov 5 2026

LMZ740>742-052245-
/O.EXP.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/
/O.CON.KLOT.SC.Y.0093.261106T0000Z-261107T1500Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
837 AM CST Thu Nov 5 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 9 AM CST SATURDAY...

* WHAT...Northwest winds to 30 kt and significant waves to 9 ft 
  occasionally to 12 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...For the first Small Craft Advisory, until 9 AM CST this 
  morning. For the second Small Craft Advisory, from 6 PM this 
  evening to 9 AM CST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ743>745-052245-
/O.EXP.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/
/O.CON.KLOT.SC.Y.0093.261106T0000Z-261107T2100Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
837 AM CST Thu Nov 5 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 3 PM CST SATURDAY...

* WHAT...Northwest winds to 30 kt with a few gale force gusts to
  35 kt and significant waves to 12 ft occasionally to 16 ft 
  expected.

* WHERE...Calumet Harbor IL to Michigan City IN.

* WHEN...For the first Small Craft Advisory, until 9 AM CST this 
  morning. For the second Small Craft Advisory, from 6 PM this 
  evening to 3 PM CST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Expired
Issued At: 2026-11-05 08:37:42

363 
WHUS73 KLOT 051437
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
837 AM CST Thu Nov 5 2026

LMZ740>742-052245-
/O.EXP.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/
/O.CON.KLOT.SC.Y.0093.261106T0000Z-261107T1500Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
837 AM CST Thu Nov 5 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 9 AM CST SATURDAY...

* WHAT...Northwest winds to 30 kt and significant waves to 9 ft 
  occasionally to 12 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...For the first Small Craft Advisory, until 9 AM CST this 
  morning. For the second Small Craft Advisory, from 6 PM this 
  evening to 9 AM CST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ743>745-052245-
/O.EXP.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/
/O.CON.KLOT.SC.Y.0093.261106T0000Z-261107T2100Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
837 AM CST Thu Nov 5 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 3 PM CST SATURDAY...

* WHAT...Northwest winds to 30 kt with a few gale force gusts to
  35 kt and significant waves to 12 ft occasionally to 16 ft 
  expected.

* WHERE...Calumet Harbor IL to Michigan City IN.

* WHEN...For the first Small Craft Advisory, until 9 AM CST this 
  morning. For the second Small Craft Advisory, from 6 PM this 
  evening to 3 PM CST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$



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