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Hazardous Seas Watch 0008
Issued by the Medford Forecast Office

Action Issued Starts Expiration
New 2026-05-15 16:11:28 2026-05-17 16:00:00 2026-05-19 01:00:00
Continued 2026-05-16 04:02:34 2026-05-17 16:00:00 2026-05-19 01:00:00
Upgraded 2026-05-16 15:18:58 2026-05-17 16:00:00 2026-05-19 01:00:00


Action: New
Issued At: 2026-05-15 16:11:28

750 
WHUS76 KMFR 152111
MWWMFR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Medford OR
211 PM PDT Fri May 15 2026

PZZ356-376-161015-
/O.CON.KMFR.SC.Y.0040.000000T0000Z-260517T1200Z/
/O.NEW.KMFR.SE.A.0008.260517T2100Z-260519T0600Z/
Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm-
Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm-
211 PM PDT Fri May 15 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SUNDAY...
...HAZARDOUS SEAS WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
MONDAY EVENING...

* WHAT...For the Small Craft Advisory, northwest winds 15 to 25 
  kt with gusts up to 30 kt and steep wind seas 7 to 9 ft through 
  tonight. North winds increase to 20 to 30 kt Saturday with 
  occasional gusts to 35 kt. Northwest swell and steep wind waves 
  produce combined seas of 9 to 12 ft Saturday into Sunday. Very 
  steep, hazardous seas of 10 to 14 feet at 7 seconds are possible
  Sunday afternoon through Monday evening. 

* WHERE...Conditions hazardous to small craft are expected from
  Gold Beach southward through tonight, then expand to all areas
  Saturday into Sunday. All areas could have very steep hazardous
  seas Sunday afternoon in next week. 

* WHEN...For the Small Craft Advisory, until 5 AM PDT Sunday. 
  For the Hazardous Seas Watch, from Sunday afternoon through 
  Monday evening.

* IMPACTS...Very steep and hazardous seas could capsize or 
  damage vessels. Bar crossing could become especially hazardous.

* View the hazard area in detail at https://go.usa.gov/x6hks

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Consider altering your plans to avoid possible hazardous and very
steep sea conditions.

&&

$$

PZZ350-370-161015-
/O.CON.KMFR.SC.Y.0041.260516T1200Z-260517T1200Z/
Coastal waters from Florence to Cape Blanco OR out 10 nm-
Waters from Florence to Cape Blanco OR from 10 to 60 nm-
211 PM PDT Fri May 15 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM SATURDAY TO
5 AM PDT SUNDAY...

* WHAT...Steep seas 9 to 11 ft due to a mix of northwest swell and
  short period wind waves. 

* WHERE...All areas.

* WHEN...From 5 AM Saturday to 5 AM PDT Sunday.

* IMPACTS...Gusty winds and/or steep seas could capsize or 
  damage smaller vessels.

* View the hazard area in detail at https://go.usa.gov/x6hks

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners and those operating smaller vessels should
remain in port and avoid the area of hazardous conditions.

&&

$$

Visit us at https://www.weather.gov/Medford


Action: Continued
Issued At: 2026-05-16 04:02:34

362 
WHUS76 KMFR 160901
MWWMFR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Medford OR
201 AM PDT Sat May 16 2026

PZZ356-376-162215-
/O.EXT.KMFR.SC.Y.0040.000000T0000Z-260517T2100Z/
/O.CON.KMFR.SE.A.0008.260517T2100Z-260519T0600Z/
Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm-
Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm-
201 AM PDT Sat May 16 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 PM PDT SUNDAY...
...HAZARDOUS SEAS WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH MONDAY EVENING...

* WHAT...For the Small Craft Advisory, northwest winds 15 to 25 kt
  and steep wind seas 6 to 9 ft through this morning, increasing
  to 20 to 30 kt and steep 8 to 12 ft seas this afternoon and 
  evening. Steep seas and gusty winds linger into Sunday morning. 
  Then, north winds of 20 to 30 kt with gusts to 35 kt and very 
  steep, hazardous seas of 8 to 13 feet at 6 to 7 seconds are 
  possible Sunday afternoon through Monday evening.

* WHERE...All areas. 

* WHEN...For the Small Craft Advisory, until 2 PM PDT Sunday. 
  For the Hazardous Seas Watch, from Sunday afternoon through 
  Monday evening.

* IMPACTS...Very steep and hazardous seas could capsize or 
  damage vessels. Bar crossing could become especially hazardous.

* View the hazard area in detail at https://go.usa.gov/x6hks

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Consider altering your plans to avoid possible hazardous and very
steep sea conditions.

&&

$$

PZZ350-370-162215-
/O.EXT.KMFR.SC.Y.0041.260516T1200Z-260517T0900Z/
Coastal waters from Florence to Cape Blanco OR out 10 nm-
Waters from Florence to Cape Blanco OR from 10 to 60 nm-
201 AM PDT Sat May 16 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 2 AM PDT SUNDAY...

* WHAT...Steep seas building to 9 to 10 ft due to a mix of
  northwest swell and short period wind seas. Seas are expected 
  to peak this afternoon and evening. 

* WHERE...All areas.

* WHEN...From 5 AM early this morning to 2 AM PDT Sunday.

* IMPACTS...Gusty winds and/or steep seas could capsize or 
  damage smaller vessels.

* View the hazard area in detail at https://go.usa.gov/x6hks

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners and those operating smaller vessels should
remain in port and avoid the area of hazardous conditions.

&&

$$

Visit us at https://www.weather.gov/Medford


Action: Upgraded
Issued At: 2026-05-16 15:18:58

554 
WHUS76 KMFR 162018
MWWMFR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Medford OR
118 PM PDT Sat May 16 2026

PZZ356-376-170930-
/O.CON.KMFR.SC.Y.0040.000000T0000Z-260517T2100Z/
/O.UPG.KMFR.SE.A.0008.260517T2100Z-260519T0600Z/
/O.NEW.KMFR.SE.W.0017.260517T2100Z-260519T0600Z/
Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm-
Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm-
118 PM PDT Sat May 16 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT SUNDAY...
...HAZARDOUS SEAS WARNING IN EFFECT FROM 2 PM SUNDAY TO 11 PM PDT
MONDAY...

* WHAT...For the Small Craft Advisory, north winds 15 to 25 kt 
  with gusts up to 30 kt and seas 8 to 12 ft at 12 seconds. For 
  the Hazardous Seas Warning, very steep and hazardous seas 9 to 
  14 ft at 10 seconds expected.

* WHERE...For the Small Craft Advisory, all areas. For the
  Hazardous Seas Warning, areas south of Gold Beach.

* WHEN...For the Small Craft Advisory, until 2 PM PDT Sunday. 
  For the Hazardous Seas Warning, from 2 PM Sunday to 11 PM PDT 
  Monday.

* IMPACTS...Very steep and hazardous seas could capsize or 
  damage vessels. Bar crossings will become especially 
  treacherous.

* View the hazard area in detail at https://go.usa.gov/x6hks

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for very steep seas and consider remaining in port
until conditions improve.

&&

$$

PZZ350-370-170930-
/O.CON.KMFR.SC.Y.0041.000000T0000Z-260517T0900Z/
/O.EXB.KMFR.SC.Y.0040.260517T2100Z-260519T0600Z/
Coastal waters from Florence to Cape Blanco OR out 10 nm-
Waters from Florence to Cape Blanco OR from 10 to 60 nm-
118 PM PDT Sat May 16 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT SUNDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 11 PM PDT
MONDAY...

* WHAT...Seas around 10 ft at 12 seconds north winds 15 to 20 kt
  with gusts up to 25 kt expected.

* WHERE...All areas north of Cape Blanco and south of Florence.

* WHEN...For the first Small Craft Advisory, until 2 AM PDT
  Sunday. For the second Small Craft Advisory, from 2 PM Sunday 
  to 11 PM PDT Monday.

* IMPACTS...Gusty winds and/or steep seas could capsize or 
  damage smaller vessels.

* View the hazard area in detail at https://go.usa.gov/x6hks

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners and those operating smaller vessels should
remain in port and avoid the area of hazardous conditions.

&&

$$

Visit us at https://www.weather.gov/Medford



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