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Home Return to list Hazardous Seas Warning 0019 Issued by the Eureka Forecast Office
Action: New Issued At: 2026-08-03 11:29:17 514 WHUS76 KEKA 031628 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 928 AM PDT Mon Aug 3 2026 PZZ450-040030- /O.EXP.KEKA.SE.W.0018.000000T0000Z-260803T1600Z/ /O.NEW.KEKA.SE.W.0019.260803T1628Z-260804T0400Z/ Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm- 928 AM PDT Mon Aug 3 2026 ...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Very steep and hazardous seas 7 to 12 feet and north winds 15 to 25 kt with localized gusts to 40 kt. * WHERE...Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$ PZZ455-040030- /O.EXP.KEKA.SE.W.0018.000000T0000Z-260803T1600Z/ /O.NEW.KEKA.SC.Y.0073.260803T1628Z-260804T0400Z/ Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm- 928 AM PDT Mon Aug 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PDT THIS EVENING... ...HAZARDOUS SEAS WARNING HAS EXPIRED... * WHAT...Northwest winds 10 to 20 kt with localized gusts to 35 kt and seas 6 to 9 feet. * WHERE...Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ470-040030- /O.CON.KEKA.GL.W.0026.000000T0000Z-260804T1000Z/ Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm- 928 AM PDT Mon Aug 3 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT TUESDAY... * WHAT...North winds 25 to 35 kt with gusts to 45 kt and seas 11 to 14 feet. * WHERE...Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm. * WHEN...Until 3 AM PDT Tuesday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ475-040030- /O.CON.KEKA.GL.W.0026.000000T0000Z-260804T0400Z/ Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm- 928 AM PDT Mon Aug 3 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...North winds 20 to 30 kt with gusts to 40 kt and seas 9 to 12 feet. * WHERE...Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ Action: Continued Issued At: 2026-08-03 17:27:26 910 WHUS76 KEKA 032227 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 327 PM PDT Mon Aug 3 2026 PZZ470-040630- /O.CON.KEKA.GL.W.0026.000000T0000Z-260804T1000Z/ Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm- 327 PM PDT Mon Aug 3 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT TUESDAY... * WHAT...North winds 25 to 35 kt with localized gusts to 45 kt and seas 11 to 14 feet. * WHERE...Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm. * WHEN...Until 3 AM PDT Tuesday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ475-040400- /O.CON.KEKA.GL.W.0026.000000T0000Z-260804T0400Z/ Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm- 327 PM PDT Mon Aug 3 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...North winds 20 to 30 kt with localized gusts to 35 kt and seas 9 to 12 feet. * WHERE...Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ450-040400- /O.CON.KEKA.SE.W.0019.000000T0000Z-260804T0400Z/ Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm- 327 PM PDT Mon Aug 3 2026 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Very steep and hazardous seas 7 to 12 feet and north winds 15 to 25 kt with localized gusts to 40 kt. * WHERE...Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$ PZZ455-040400- /O.CON.KEKA.SC.Y.0073.000000T0000Z-260804T0400Z/ Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm- 327 PM PDT Mon Aug 3 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Northwest winds 10 to 20 kt with localized gusts to 35 kt and seas 6 to 9 feet. * WHERE...Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Expired Issued At: 2026-08-03 22:50:36 754 WHUS76 KEKA 040350 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 850 PM PDT Mon Aug 3 2026 PZZ475-041200- /O.EXP.KEKA.GL.W.0026.000000T0000Z-260804T0400Z/ /O.NEW.KEKA.SE.W.0020.260804T0400Z-260804T1600Z/ Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm- 850 PM PDT Mon Aug 3 2026 ...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 9 AM PDT TUESDAY... * WHAT...Very steep and hazardous seas 9 to 12 feet and north winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm. * WHEN...Until 9 AM PDT Tuesday. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$ PZZ450-041200- /O.EXP.KEKA.SE.W.0019.000000T0000Z-260804T0400Z/ /O.EXB.KEKA.SC.Y.0073.260804T0400Z-260804T1600Z/ Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm- 850 PM PDT Mon Aug 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM PDT TUESDAY... * WHAT...Seas 7 to 9 feet expected. * WHERE...Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm. * WHEN...Until 9 AM PDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ470-041000- /O.CON.KEKA.GL.W.0026.000000T0000Z-260804T1000Z/ Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm- 850 PM PDT Mon Aug 3 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT TUESDAY... * WHAT...North winds 20 to 30 kt with gusts up to 40 kt and seas 11 to 13 feet. * WHERE...Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm. * WHEN...Until 3 AM PDT Tuesday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ455-041200- /O.EXT.KEKA.SC.Y.0073.000000T0000Z-260804T1600Z/ Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm- 850 PM PDT Mon Aug 3 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PDT TUESDAY... * WHAT...Northwest winds 5 to 15 kt with gusts up to 25 kt and seas 6 to 8 feet. * WHERE...Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm. * WHEN...Until 9 AM PDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||