FZUS56 KEKA 202000 CWFEKA Coastal Waters Forecast for Northwest California National Weather Service Eureka CA 100 PM PDT Mon Apr 20 2026 WATERS FROM PT ST GEORGE TO PT ARENA AND OUT 60 NM PZZ400-210815- 100 PM PDT Mon Apr 20 2026 .SYNOPSIS FOR NORTHERN CALIFORNIA WATERS...Moderate to strong southerly breezes will continue to diminish tonight and Tuesday morning. The west swell around 10 feet is expected to diminish tonight as well. Winds shift northwest Tuesday evening gradually increasing to moderate to strong breezes by Thursday evening. $$ PZZ450-210815- Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm- 100 PM PDT Mon Apr 20 2026 .REST OF TODAY...SE wind 10 kt. Seas 8 ft. Wave Detail: S 3 ft at 7 seconds and W 8 ft at 12 seconds. Rain. .TONIGHT...SE wind 5 to 10 kt. Seas 7 ft. Wave Detail: W 7 ft at 12 seconds. Showers. .TUE...S wind 5 to 10 kt. Seas 5 ft. Wave Detail: S 1 foot at 6 seconds and W 5 ft at 11 seconds. Showers. .TUE NIGHT...SW wind 5 kt. Seas 5 ft. Wave Detail: W 5 ft at 10 seconds and W 2 ft at 16 seconds. Showers likely. .WED...SW wind 5 to 10 kt. Seas 5 ft. Wave Detail: W 4 ft at 9 seconds and S 1 foot at 12 seconds. A chance of showers. .WED NIGHT...N wind 5 to 10 kt. Seas 6 ft. Wave Detail: NW 4 ft at 9 seconds and NW 6 ft at 14 seconds. .THU...N wind 10 to 15 kt. Seas 6 ft. Wave Detail: NW 6 ft at 11 seconds and W 4 ft at 13 seconds. .THU NIGHT...N wind 10 to 15 kt. Seas 7 ft. Wave Detail: NW 7 ft at 11 seconds. .FRI...N wind 5 to 10 kt. Seas 6 ft. Wave Detail: NW 6 ft at 10 seconds. .FRI NIGHT...N wind 10 to 15 kt. Seas 6 ft. Wave Detail: NW 6 ft at 10 seconds. $$ PZZ470-210815- Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm- 100 PM PDT Mon Apr 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM PDT THIS AFTERNOON... .REST OF TODAY...SE wind 10 to 15 kt. Seas 10 ft. Wave Detail: S 4 ft at 6 seconds and W 9 ft at 12 seconds. Rain likely with a slight chance of tstms. .TONIGHT...S wind 10 kt. Seas 8 ft. Wave Detail: S 3 ft at 6 seconds and W 8 ft at 12 seconds. Showers. .TUE...S wind 5 to 10 kt. Seas 6 ft. Wave Detail: S 2 ft at 6 seconds and W 6 ft at 11 seconds. Showers. .TUE NIGHT...NW wind 5 to 10 kt. Seas 6 ft. Wave Detail: W 5 ft at 10 seconds and SW 3 ft at 16 seconds. A chance of showers. .WED...W wind 5 to 10 kt. Seas 6 ft. Wave Detail: W 4 ft at 9 seconds and NW 4 ft at 15 seconds. A chance of showers. .WED NIGHT...N wind 5 to 10 kt. Seas 7 ft. Wave Detail: NW 7 ft at 10 seconds and NW 7 ft at 14 seconds. .THU...N wind 10 to 15 kt. Seas 8 ft. Wave Detail: NW 8 ft at 11 seconds and SW 4 ft at 14 seconds. .THU NIGHT...N wind 20 to 25 kt. Seas 9 ft. Wave Detail: NW 9 ft at 11 seconds and S 2 ft at 17 seconds. .FRI...N wind 20 to 25 kt. Seas 8 ft. Wave Detail: N 8 ft at 10 seconds and SW 2 ft at 15 seconds. .FRI NIGHT...N wind 20 to 25 kt. Seas 8 ft. Wave Detail: NW 8 ft at 9 seconds and S 2 ft at 15 seconds. $$ PZZ455-210815- Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm- 100 PM PDT Mon Apr 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM PDT THIS AFTERNOON... .REST OF TODAY...SE wind 5 to 10 kt. Seas 7 ft. Wave Detail: S 3 ft at 6 seconds and W 7 ft at 13 seconds. Rain with a slight chance of tstms. .TONIGHT...SE wind 5 to 10 kt. Seas 8 ft. Wave Detail: S 2 ft at 6 seconds and W 8 ft at 12 seconds. Showers. .TUE...S wind 5 to 10 kt. Seas 5 ft. Wave Detail: S 2 ft at 6 seconds and W 5 ft at 11 seconds. Showers. .TUE NIGHT...W wind 5 to 10 kt. Seas 5 ft. Wave Detail: W 5 ft at 10 seconds and W 2 ft at 17 seconds. Showers likely. .WED...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail: W 5 ft at 10 seconds and S 1 foot at 14 seconds. .WED NIGHT...N wind 10 to 15 kt. Seas 6 ft. Wave Detail: NW 5 ft at 9 seconds and NW 3 ft at14 seconds. .THU...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: NW 6 ft at 11 seconds and SW 6 ft at 13 seconds. .THU NIGHT...N wind 15 to 20 kt. Seas 7 ft. Wave Detail: NW 7 ft at 9 seconds and S 2 ft at 17 seconds. .FRI...NW wind 5 to 10 kt. Seas 6 ft. Wave Detail: NW 6 ft at 10 seconds and S 2 ft at 15 seconds. .FRI NIGHT...N wind 10 to 15 kt. Seas 6 ft. Wave Detail: NW 6 ft at 10 seconds and S 2 ft at 15 seconds. $$ PZZ475-210815- Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm- 100 PM PDT Mon Apr 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM PDT THIS AFTERNOON... .REST OF TODAY...SE wind 10 kt. Seas 9 ft. Wave Detail: S 3 ft at 6 seconds and W 9 ft at 13 seconds. A chance of rain with a slight chance of tstms. .TONIGHT...S wind 10 kt. Seas 8 ft. Wave Detail: S 3 ft at 6 seconds and W 8 ft at 12 seconds. Showers likely. .TUE...S wind 5 to 10 kt. Seas 7 ft. Wave Detail: S 2 ft at 6 seconds and W 6 ft at 11 seconds. Showers likely. .TUE NIGHT...NW wind 10 kt. Seas 6 ft. Wave Detail: W 5 ft at 10 seconds and W 2 ft at 17 seconds. A chance of showers. .WED...NW wind 5 to 10 kt. Seas 6 ft. Wave Detail: W 5 ft at 9 seconds and NW 3 ft at 15 seconds. .WED NIGHT...N wind 10 to 15 kt. Seas 6 ft. Wave Detail: NW 6 ft at 9 seconds and NW 3 ft at 14 seconds. .THU...N wind 15 to 20 kt. Seas 8 ft. Wave Detail: NW 8 ft at 10 seconds and SW 4 ft at 13 seconds. .THU NIGHT...N wind 20 to 25 kt. Seas 9 ft. Wave Detail: NW 9 ft at 10 seconds and S 2 ft at 17 seconds. .FRI...N wind 20 to 25 kt. Seas 9 ft. Wave Detail: NW 9 ft at 10 seconds and S 2 ft at 15 seconds. .FRI NIGHT...N wind 20 to 25 kt. Seas 8 ft. Wave Detail: NW 8 ft at 10 seconds and S 2 ft at 15 seconds. $$