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Home Return to list Hazardous Seas Watch 0018 Issued by the Medford Forecast Office
Action: New Issued At: 2026-09-23 15:15:53 217 WHUS76 KMFR 232015 MWWMFR URGENT - MARINE WEATHER MESSAGE National Weather Service Medford OR 115 PM PDT Wed Sep 23 2026 PZZ356-376-240915- /O.CON.KMFR.SC.Y.0076.000000T0000Z-260924T1200Z/ /O.NEW.KMFR.SE.A.0018.260925T0300Z-260925T1800Z/ 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- 115 PM PDT Wed Sep 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT THURSDAY... ...HAZARDOUS SEAS WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING... * WHAT...For the Small Craft Advisory, north winds 10 to 20 kt with gusts up to 30 kt and seas 6 to 9 ft at 11 seconds. For the Hazardous Seas Watch, very steep and hazardous seas 7 to 12 ft at 10 seconds possible. * WHERE...For the Small Craft Advisory, waters south of Port Orford. For the Hazardous Seas Watch, waters south of Cape Blanco but with the highest chances of very steep seas north of Gold Beach. * WHEN...For the Small Craft Advisory, until 5 AM PDT Thursday. For the Hazardous Seas Watch, from Thursday evening through Friday morning. * 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. && $$ PZZ350-370-240915- /O.CON.KMFR.GL.A.0013.260925T0300Z-260925T1800Z/ Coastal waters from Florence to Cape Blanco OR out 10 nm- Waters from Florence to Cape Blanco OR from 10 to 60 nm- 115 PM PDT Wed Sep 23 2026 ...GALE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING... * WHAT...South to southwest winds 25 to 35 kt with gusts up to 45 kt and very steep seas 9 to 16 ft at 8 to 10 seconds possible. * WHERE...All the area but strongest winds and highest seas will be from Charleston north. * WHEN...From Thursday evening through Friday morning. * IMPACTS...Strong winds and very steep seas could capsize or damage vessels. Low visibility conditions are possible. * View the hazard area in detail at https://go.usa.gov/x6hks PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid strong winds and very steep seas. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ Visit us at https://www.weather.gov/Medford Action: Upgraded Issued At: 2026-09-24 00:26:36 748 WHUS76 KMFR 240526 MWWMFR URGENT - MARINE WEATHER MESSAGE National Weather Service Medford OR 1026 PM PDT Wed Sep 23 2026 PZZ350-370-241830- /O.UPG.KMFR.GL.A.0013.260925T0300Z-260925T1800Z/ /O.NEW.KMFR.SE.W.0036.260925T0600Z-260925T2100Z/ /O.NEW.KMFR.GL.W.0017.260925T0600Z-260925T1200Z/ /O.NEW.KMFR.SC.Y.0077.260925T0000Z-260925T0600Z/ Coastal waters from Florence to Cape Blanco OR out 10 nm- Waters from Florence to Cape Blanco OR from 10 to 60 nm- 1026 PM PDT Wed Sep 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM TO 11 PM PDT THURSDAY... ...GALE WARNING IN EFFECT FROM 11 PM THURSDAY TO 5 AM PDT FRIDAY... ...HAZARDOUS SEAS WARNING IN EFFECT FROM 11 PM THURSDAY TO 2 PM PDT FRIDAY... * WHAT...For the Small Craft Advisory, south winds 20 to 25 kt with gusts up to 30 kt and seas 6 to 7 ft at 10 seconds expected. For the Gale Warning, southwest winds 20 to 30 kt with gusts up to 35 kt and seas 12 to 16 ft at 10 seconds expected. For the Hazardous Seas Warning, very steep and hazardous seas 10 to 15 ft at 10 seconds expected. * WHERE...Small Craft Advisory for all of the area Thursday evening. Gale Warning north of Reedsport late Thursday night with Hazardous Seas elsewhere. A Hazardous Seas Warning follows for all of the area into Friday afternoon. * WHEN...For the Small Craft Advisory, from 5 PM to 11 PM PDT Thursday. For the Gale Warning, from 11 PM Thursday to 5 AM PDT Friday. For the Hazardous Seas Warning, from 11 PM Thursday to 2 PM PDT Friday. * IMPACTS...Strong winds and very steep seas could capsize or damage vessels. Low visibility conditions are expected. * View the hazard area in detail at https://go.usa.gov/x6hks PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid strong winds and very steep seas. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ356-376-241830- /O.EXT.KMFR.SC.Y.0076.000000T0000Z-260924T0900Z/ /O.UPG.KMFR.SE.A.0018.260925T0300Z-260925T1800Z/ /O.NEW.KMFR.SE.W.0036.260925T0600Z-260925T2100Z/ Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm- Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm- 1026 PM PDT Wed Sep 23 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM PDT THURSDAY... ...HAZARDOUS SEAS WARNING IN EFFECT FROM 11 PM THURSDAY TO 2 PM PDT FRIDAY... * WHAT...For the Small Craft Advisory, north winds 15 to 20 kt with gusts up to 25 kt and seas 6 to 9 ft at 7 seconds. For the Hazardous Seas Warning, very steep and hazardous seas 9 to 13 ft at 10 seconds expected. * WHERE...Small Craft Advisory south of Port Orford overnight. Hazardous Seas Warning for all of the area late Thursday night into Friday afternoon. * WHEN...For the Small Craft Advisory, until 2 AM PDT Thursday. For the Hazardous Seas Warning, from 11 PM Thursday to 2 PM PDT Friday. * IMPACTS...Very steep and hazardous seas could capsize or damage vessels. Bar crossings will become especially treacherous. * View the hazard area in detail at https://go.usa.gov/x6hks PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for very steep seas and consider remaining in port until conditions improve. && $$ Visit us at https://www.weather.gov/Medford | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||