


Coastal Waters Forecast
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
016 FZUS56 KEKA 171718 CWFEKA Coastal Waters Forecast for Northwest California National Weather Service Eureka CA 1018 AM PDT Sun Aug 17 2025 WATERS FROM PT ST GEORGE TO PT ARENA AND OUT 60 NM PZZ400-180630- 1018 AM PDT Sun Aug 17 2025 .SYNOPSIS FOR NORTHERN CALIFORNIA WATERS....Light to moderate northerly breezes will continue across the coastal waters, with isolated gusty winds around 20 to 25 knots in the lee of Cape Mendocino each afternoon. A NW swell around 4 to 6 feet at around 10 seconds will persist through today, before slowly subsiding through mid next week. Relatively calm conditions with lighter winds and low seas is expected early in the week, before fresh to strong winds and steep seas develops by mid to late in the week. $$ PZZ450-180630- Pt St George to Cape Mendocino out 10 nm- 1018 AM PDT Sun Aug 17 2025 .REST OF TODAY...NW wind 5 kt. Seas 6 ft. Wave Detail: NW 6 ft at 10 seconds. .TONIGHT...NE wind 5 kt. Seas 5 ft. Wave Detail: NW 5 ft at 10 seconds. Patchy dense fog. .MON...NW wind 5 kt. Seas 5 ft. Wave Detail: NW 5 ft at 10 seconds. Patchy dense fog. .MON NIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW 4 ft at 9 seconds. .TUE...N wind 5 kt. Seas 4 ft. Wave Detail: NW 4 ft at 10 seconds. .TUE NIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW 4 ft at 9 seconds. .WED...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW 2 ft at 5 seconds and NW 3 ft at 9 seconds. .WED NIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW 3 ft at 6 seconds and NW 3 ft at 9 seconds. .THU...N wind 5 to 10 kt. Seas 3 ft. Wave Detail: NW 3 ft at 8 seconds and S 1 foot at 15 seconds. .THU NIGHT...N wind 5 to 10 kt. Seas 3 ft. Wave Detail: NW 3 ft at 7 seconds. $$ PZZ470-180630- Pt St George to Cape Mendocino 10 to 60 nm- 1018 AM PDT Sun Aug 17 2025 .REST OF TODAY...NW wind 5 kt. Seas 6 ft. Wave Detail: NW 6 ft at 10 seconds and S 2 ft at 14 seconds. .TONIGHT...N wind 5 kt. Seas 5 ft. Wave Detail: NW 5 ft at 10 seconds and S 2 ft at 14 seconds. Patchy dense fog. .MON...SW wind 5 kt. Seas 5 ft. Wave Detail: NW 5 ft at 9 seconds. Patchy dense fog. .MON NIGHT...N wind 5 kt. Seas 4 ft. Wave Detail: NW 4 ft at 9 seconds. .TUE...N wind 5 kt. Seas 4 ft. Wave Detail: NW 4 ft at 10 seconds. .TUE NIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW 4 ft at 9 seconds. .WED...N wind 10 to 15 kt. Seas 5 ft. Wave Detail: N 4 ft at 5 seconds and NW 3 ft at 9 seconds. .WED NIGHT...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: N 5 ft at 5 seconds and NW 3 ft at 9 seconds. .THU...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: N 6 ft at 7 seconds and SW 2 ft at 15 seconds. .THU NIGHT...N wind 20 to 25 kt. Seas 7 ft. Wave Detail: N 7 ft at 7 seconds and SW 2 ft at 15 seconds. $$ PZZ455-180630- Cape Mendocino to Pt Arena out 10 nm- 1018 AM PDT Sun Aug 17 2025 .REST OF TODAY...NW wind 10 to 15 kt. Seas 7 ft. Wave Detail: NW 4 ft at 5 seconds and NW 5 ft at 10 seconds. .TONIGHT...NW wind 10 to 15 kt. Seas 6 ft. Wave Detail: NW 4 ft at 4 seconds and NW 5 ft at 10 seconds. Patchy dense fog. .MON...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW 3 ft at 4 seconds and NW 4 ft at 10 seconds. .MON NIGHT...NW wind 10 to 15 kt. Seas 5 ft. Wave Detail: NW 3 ft at 4 seconds and NW 4 ft at 9 seconds. .TUE...NW wind 10 to 15 kt. Seas 5 ft. Wave Detail: NW 3 ft at 4 seconds and NW 3 ft at 10 seconds. .TUE NIGHT...N wind 10 to 15 kt. Seas 5 ft. Wave Detail: N 4 ft at 5 seconds and NW 3 ft at 10 seconds. .WED...NW wind 15 to 20 kt. Seas 5 ft. Wave Detail: N 4 ft at 5 seconds and NW 3 ft at 9 seconds. .WED NIGHT...N wind 15 to 20 kt. Seas 5 ft. Wave Detail: N 5 ft at 5 seconds and NW 3 ft at 9 seconds. .THU...NW wind 15 to 20 kt. Seas 5 ft. Wave Detail: N 5 ft at 6 seconds and SW 2 ft at 15 seconds. .THU NIGHT...NW wind 15 to 20 kt. Seas 5 ft. Wave Detail: N 5 ft at 7 seconds and SW 2 ft at 15 seconds. $$ PZZ475-180630- Cape Mendocino to Pt Arena 10 to 60 nm- 1018 AM PDT Sun Aug 17 2025 .REST OF TODAY...NW wind 10 to 15 kt. Seas 7 ft. Wave Detail: NW 4 ft at 5 seconds and NW 6 ft at 10 seconds. .TONIGHT...NW wind 5 to 10 kt. Seas 6 ft. Wave Detail: NW 4 ft at 4 seconds and NW 5 ft at 10 seconds. .MON...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW 3 ft at 4 seconds and NW 5 ft at 10 seconds. .MON NIGHT...NW wind 10 to 15 kt. Seas 5 ft. Wave Detail: NW 4 ft at 4 seconds and NW 4 ft at 9 seconds. .TUE...NW wind 10 to 15 kt. Seas 6 ft. Wave Detail: N 4 ft at 5 seconds and NW 4 ft at 10 seconds. .TUE NIGHT...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: N 5 ft at 5 seconds and NW 4 ft at 10 seconds. .WED...N wind 15 to 20 kt. Seas 5 ft. Wave Detail: N 5 ft at 5 seconds and NW 3 ft at 9 seconds. .WED NIGHT...N wind 20 to 25 kt. Seas 6 ft. Wave Detail: N 6 ft at 6 seconds and NW 3 ft at 9 seconds. .THU...N wind 20 to 25 kt. Seas 7 ft. Wave Detail: N 6 ft at 6 seconds and SW 2 ft at 15 seconds. .THU NIGHT...N wind 20 to 25 kt. Seas 7 ft. Wave Detail: N 7 ft at 7 seconds and S 2 ft at 15 seconds. $$