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Small Craft Advisory 0133
Issued by the Baltimore / Washington Forecast Office

Action Issued Starts Expiration
New 2026-08-15 11:39:50 2026-08-16 11:00:00 2026-08-16 19:00:00
New 2026-08-15 11:39:50 2026-08-16 11:00:00 2026-08-17 05:00:00
Continued 2026-08-15 20:33:05 2026-08-16 11:00:00 2026-08-17 05:00:00
Continued 2026-08-15 20:33:05 2026-08-16 11:00:00 2026-08-16 19:00:00
Continued 2026-08-16 02:06:43 2026-08-16 11:00:00 2026-08-17 05:00:00
Continued 2026-08-16 02:06:43 2026-08-16 11:00:00 2026-08-16 19:00:00


Action: New
Issued At: 2026-08-15 11:39:50

782 
WHUS71 KLWX 151639
MWWLWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
1239 PM EDT Sat Aug 15 2026

ANZ535-536-160045-
/O.NEW.KLWX.SC.Y.0133.260816T1600Z-260817T0000Z/
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
1239 PM EDT Sat Aug 15 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT SUNDAY...

* WHAT...South winds 10 to 15 kt with gusts up to 20 kt expected.

* WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD.

* WHEN...From noon to 8 PM EDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ530>534-537>543-160045-
/O.NEW.KLWX.SC.Y.0133.260816T1600Z-260817T1000Z/
Chesapeake Bay north of Pooles Island MD-
Chesapeake Bay from Pooles Island to Sandy Point MD-
Chesapeake Bay from Sandy Point to North Beach MD-
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Patapsco River including Baltimore Harbor-
Chester River to Queenstown MD-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
Patuxent River to Broomes Island MD-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
1239 PM EDT Sat Aug 15 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SUNDAY TO 6 AM EDT
MONDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 30 kt expected.

* WHERE...Chesapeake Bay and adjoining estuaries north of Smith 
  Point VA, and Tidal Potomac from Cobb Island MD to Smith Point 
  VA.

* WHEN...From noon Sunday to 6 AM EDT Monday.

* 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: New
Issued At: 2026-08-15 11:39:50

782 
WHUS71 KLWX 151639
MWWLWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
1239 PM EDT Sat Aug 15 2026

ANZ535-536-160045-
/O.NEW.KLWX.SC.Y.0133.260816T1600Z-260817T0000Z/
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
1239 PM EDT Sat Aug 15 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT SUNDAY...

* WHAT...South winds 10 to 15 kt with gusts up to 20 kt expected.

* WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD.

* WHEN...From noon to 8 PM EDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ530>534-537>543-160045-
/O.NEW.KLWX.SC.Y.0133.260816T1600Z-260817T1000Z/
Chesapeake Bay north of Pooles Island MD-
Chesapeake Bay from Pooles Island to Sandy Point MD-
Chesapeake Bay from Sandy Point to North Beach MD-
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Patapsco River including Baltimore Harbor-
Chester River to Queenstown MD-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
Patuxent River to Broomes Island MD-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
1239 PM EDT Sat Aug 15 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SUNDAY TO 6 AM EDT
MONDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 30 kt expected.

* WHERE...Chesapeake Bay and adjoining estuaries north of Smith 
  Point VA, and Tidal Potomac from Cobb Island MD to Smith Point 
  VA.

* WHEN...From noon Sunday to 6 AM EDT Monday.

* 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: 2026-08-15 20:33:05

147 
WHUS71 KLWX 160132
MWWLWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
932 PM EDT Sat Aug 15 2026

ANZ535-536-160945-
/O.CON.KLWX.SC.Y.0133.260816T1600Z-260817T0000Z/
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
932 PM EDT Sat Aug 15 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM EDT
SUNDAY...

* WHAT...South winds 10 to 15 kt with gusts up to 20 kt expected.

* WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD.

* WHEN...From noon to 8 PM EDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ530>534-537>543-160945-
/O.CON.KLWX.SC.Y.0133.260816T1600Z-260817T1000Z/
Chesapeake Bay north of Pooles Island MD-
Chesapeake Bay from Pooles Island to Sandy Point MD-
Chesapeake Bay from Sandy Point to North Beach MD-
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Patapsco River including Baltimore Harbor-
Chester River to Queenstown MD-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
Patuxent River to Broomes Island MD-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
932 PM EDT Sat Aug 15 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO
6 AM EDT MONDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 30 kt expected.

* WHERE...Chesapeake Bay and adjoining estuaries north of Smith 
  Point VA, and Tidal Potomac from Cobb Island MD to Smith Point 
  VA.

* WHEN...From noon Sunday to 6 AM EDT Monday.

* 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: 2026-08-15 20:33:05

147 
WHUS71 KLWX 160132
MWWLWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
932 PM EDT Sat Aug 15 2026

ANZ535-536-160945-
/O.CON.KLWX.SC.Y.0133.260816T1600Z-260817T0000Z/
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
932 PM EDT Sat Aug 15 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM EDT
SUNDAY...

* WHAT...South winds 10 to 15 kt with gusts up to 20 kt expected.

* WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD.

* WHEN...From noon to 8 PM EDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ530>534-537>543-160945-
/O.CON.KLWX.SC.Y.0133.260816T1600Z-260817T1000Z/
Chesapeake Bay north of Pooles Island MD-
Chesapeake Bay from Pooles Island to Sandy Point MD-
Chesapeake Bay from Sandy Point to North Beach MD-
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Patapsco River including Baltimore Harbor-
Chester River to Queenstown MD-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
Patuxent River to Broomes Island MD-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
932 PM EDT Sat Aug 15 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO
6 AM EDT MONDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 30 kt expected.

* WHERE...Chesapeake Bay and adjoining estuaries north of Smith 
  Point VA, and Tidal Potomac from Cobb Island MD to Smith Point 
  VA.

* WHEN...From noon Sunday to 6 AM EDT Monday.

* 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: 2026-08-16 02:06:43

799 
WHUS71 KLWX 160706
MWWLWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
306 AM EDT Sun Aug 16 2026

ANZ535-536-161600-
/O.CON.KLWX.SC.Y.0133.260816T1600Z-260817T0000Z/
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
306 AM EDT Sun Aug 16 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM
EDT THIS EVENING...

* WHAT...South winds around 10 kt with gusts up to 20 kt.

* WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD.

* WHEN...From noon today to 8 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ530>534-537>543-161600-
/O.CON.KLWX.SC.Y.0133.260816T1600Z-260817T1000Z/
Chesapeake Bay north of Pooles Island MD-
Chesapeake Bay from Pooles Island to Sandy Point MD-
Chesapeake Bay from Sandy Point to North Beach MD-
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Patapsco River including Baltimore Harbor-
Chester River to Queenstown MD-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
Patuxent River to Broomes Island MD-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
306 AM EDT Sun Aug 16 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 AM
EDT MONDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt.

* WHERE...Chesapeake Bay and adjoining estuaries north of Smith 
  Point VA, and Tidal Potomac from Cobb Island MD to Smith Point 
  VA.

* WHEN...From noon today to 6 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

DHOF


Action: Continued
Issued At: 2026-08-16 02:06:43

799 
WHUS71 KLWX 160706
MWWLWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
306 AM EDT Sun Aug 16 2026

ANZ535-536-161600-
/O.CON.KLWX.SC.Y.0133.260816T1600Z-260817T0000Z/
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
306 AM EDT Sun Aug 16 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM
EDT THIS EVENING...

* WHAT...South winds around 10 kt with gusts up to 20 kt.

* WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD.

* WHEN...From noon today to 8 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ530>534-537>543-161600-
/O.CON.KLWX.SC.Y.0133.260816T1600Z-260817T1000Z/
Chesapeake Bay north of Pooles Island MD-
Chesapeake Bay from Pooles Island to Sandy Point MD-
Chesapeake Bay from Sandy Point to North Beach MD-
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Patapsco River including Baltimore Harbor-
Chester River to Queenstown MD-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
Patuxent River to Broomes Island MD-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
306 AM EDT Sun Aug 16 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 AM
EDT MONDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt.

* WHERE...Chesapeake Bay and adjoining estuaries north of Smith 
  Point VA, and Tidal Potomac from Cobb Island MD to Smith Point 
  VA.

* WHEN...From noon today to 6 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

DHOF



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