Coastal Waters Forecast
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
617 FZUS56 KEKA 300951 CWFEKA Coastal Waters Forecast for Northwest California National Weather Service Eureka CA 251 AM PDT Tue Sep 30 2025 WATERS FROM PT ST GEORGE TO PT ARENA AND OUT 60 NM PZZ400-302215- 251 AM PDT Tue Sep 30 2025 .SYNOPSIS FOR NORTHERN CALIFORNIA WATERS...A stronger storm system will cross the waters today with widespread gale force conditions gusting up to 40 kts throughout the northern waters by mid morning. The southern waters with be slightly calmer. Short period seas will build up to 8 feet but winds will quickly die down overnight. A steep mid period swell up to 14 feet will build in behind the storm maintaining steep seas through Wednesday. More moderate northerly winds and seas state conditions will build in late week. $$ PZZ450-302215- Pt St George to Cape Mendocino out 10 nm- 251 AM PDT Tue Sep 30 2025 ...GALE WARNING IN EFFECT FROM 11 AM PDT THIS MORNING THROUGH THIS EVENING... .TODAY...S wind 15 to 20 kt, rising to 20 to 25 kt with gusts up to 35 kt this afternoon. Seas 7 ft. Wave Detail: S 6 ft at 6 seconds and NW 6 ft at 13 seconds. Rain. .TONIGHT...S wind 15 to 20 kt. Seas 7 ft. Wave Detail: S 7 ft at 7 seconds and W 5 ft at 12 seconds. Showers likely. .WED...S wind 5 to 10 kt. Seas 9 ft. Wave Detail: S 5 ft at 5 seconds and W 9 ft at 13 seconds. Showers likely. .WED NIGHT...S wind 5 kt. Seas 11 ft. Wave Detail: NW 11 ft at 13 seconds. A chance of showers. .THU...W wind 5 kt. Seas 10 ft. Wave Detail: NW 10 ft at 13 seconds. .THU NIGHT...N wind 5 to 10 kt. Seas 8 ft. Wave Detail: NW 8 ft at 12 seconds. .FRI...N wind 5 to 10 kt. Seas 7 ft. Wave Detail: NW 7 ft at 11 seconds. .FRI NIGHT...N wind 10 to 15 kt. Seas 7 ft. Wave Detail: NW 4 ft at 6 seconds and NW 6 ft at 10 seconds. .SAT...N wind 10 to 15 kt. Seas 6 ft. Wave Detail: NW 6 ft at 9 seconds and W 2 ft at 14 seconds. .SAT NIGHT...N wind 15 to 20 kt. Seas 7 ft. Wave Detail: N 7 ft at 8 seconds and W 2 ft at 13 seconds. $$ PZZ470-302215- Pt St George to Cape Mendocino 10 to 60 nm- 251 AM PDT Tue Sep 30 2025 ...GALE WARNING IN EFFECT FROM 8 AM PDT THIS MORNING THROUGH THIS EVENING... .TODAY...S wind 20 to 25 kt, rising to 25 to 30 kt this afternoon. Seas 9 ft. Wave Detail: S 8 ft at 7 seconds and S 3 ft at 12 seconds. Rain. A slight chance of tstms this afternoon. .TONIGHT...S wind 20 to 25 kt with gusts up to 35 kt. Seas 10 ft. Wave Detail: S 9 ft at 7 seconds and S 3 ft at 11 seconds. A chance of showers. .WED...S wind 10 to 15 kt. Seas 11 ft. Wave Detail: S 5 ft at 5 seconds and S 3 ft at 11 seconds. A chance of showers. .WED NIGHT...S wind 5 kt. Seas 13 ft. Wave Detail: NW 12 ft at 13 seconds. A chance of showers. .THU...W wind 5 kt. Seas 11 ft. Wave Detail: NW 11 ft at 13 seconds. .THU NIGHT...N wind 10 to 15 kt. Seas 9 ft. Wave Detail: NW 9 ft at 12 seconds. .FRI...N wind 15 to 20 kt. Seas 8 ft. Wave Detail: NW 2 ft at 5 seconds and NW 8 ft at 11 seconds. .FRI NIGHT...N wind 20 to 25 kt. Seas 9 ft. Wave Detail: N 6 ft at 6 seconds and NW 6 ft at 10 seconds. .SAT...N wind 20 to 25 kt. Seas 8 ft. Wave Detail: NW 8 ft at 7 seconds and W 2 ft at 14 seconds. .SAT NIGHT...N wind 25 to 30 kt. Seas 9 ft. Wave Detail: N 9 ft at 9 seconds and W 3 ft at 13 seconds. $$ PZZ455-302215- Cape Mendocino to Pt Arena out 10 nm- 251 AM PDT Tue Sep 30 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM PDT THIS MORNING THROUGH THIS EVENING... .TODAY...SE wind 15 to 20 kt, rising to 20 to 25 kt with gusts up to 40 kt this afternoon. Seas 8 ft. Wave Detail: S 6 ft at 6 seconds and S 3 ft at 12 seconds. Rain. .TONIGHT...SE wind 20 to 25 kt with gusts up to 35 kt. Seas around 8 ft. Wave Detail: S 6 ft at 6 seconds and S 2 ft at 11 seconds. Showers. .WED...S wind 5 to 10 kt. Seas 10 ft. Wave Detail: S 4 ft at 5 seconds and S 2 ft at 10 seconds. A chance of showers. .WED NIGHT...E wind 5 kt. Seas 11 ft. Wave Detail: NW 11 ft at 13 seconds. Patchy fog. .THU...N wind 5 to 10 kt. Seas 10 ft. Wave Detail: NW 10 ft at 13 seconds. .THU NIGHT...N wind 15 to 20 kt. Seas 8 ft. Wave Detail: NW 8 ft at 12 seconds. .FRI...N wind 20 to 25 kt. Seas 8 ft. Wave Detail: NW 6 ft at 6 seconds and NW 8 ft at 11 seconds. .FRI NIGHT...N wind 20 to 25 kt. Seas 8 ft. Wave Detail: NW 7 ft at 7 seconds and NW 5 ft at 10 seconds. .SAT...N wind 20 to 25 kt. Seas 7 ft. Wave Detail: N 7 ft at 7 seconds and W 2 ft at 15 seconds. .SAT NIGHT...N wind 25 to 30 kt. Seas 8 ft. Wave Detail: N 8 ft at 8 seconds and W 2 ft at 13 seconds. $$ PZZ475-302215- Cape Mendocino to Pt Arena 10 to 60 nm- 251 AM PDT Tue Sep 30 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM PDT THIS MORNING THROUGH THIS EVENING... .TODAY...S wind 15 to 20 kt, rising to 20 to 25 kt with gusts up to 35 kt this afternoon. Seas 9 ft. Wave Detail: S 7 ft at 6 seconds and S 4 ft at 12 seconds. Rain. A slight chance of tstms this afternoon. .TONIGHT...S wind 20 to 25 kt with gusts up to 35 kt. Seas 9 ft. Wave Detail: S 7 ft at 7 seconds and S 3 ft at 11 seconds. A chance of showers. .WED...S wind 5 to 10 kt. Seas 10 ft. Wave Detail: S 2 ft at 4 seconds and S 3 ft at 10 seconds. .WED NIGHT...W wind 5 kt. Seas 12 ft. Wave Detail: NW 12 ft at 13 seconds. .THU...NW wind 5 to 10 kt. Seas 11 ft. Wave Detail: NW 11 ft at 13 seconds. .THU NIGHT...N wind 15 to 20 kt. Seas 9 ft. Wave Detail: NW 9 ft at 12 seconds and S 2 ft at 13 seconds. .FRI...N wind 20 to 25 kt. Seas 10 ft. Wave Detail: NW 8 ft at 7 seconds and NW 8 ft at 11 seconds. .FRI NIGHT...N wind 25 to 30 kt. Seas 10 ft. Wave Detail: N 8 ft at 7 seconds and NW 5 ft at 10 seconds. .SAT...N wind 25 to 30 kt. Seas 10 ft. Wave Detail: N 10 ft at 7 seconds and W 2 ft at 15 seconds. .SAT NIGHT...N wind 25 to 35 kt. Seas 10 ft. Wave Detail: N 10 ft at 9 seconds and W 2 ft at 13 seconds. $$