Expires:202605152230;;592437 FZUS56 KSEW 150917 CWFSEW Coastal Waters Forecast for Washington National Weather Service Seattle WA 217 AM PDT Fri May 15 2026 Inland waters of western Washington and the northern and central Washington coastal waters including the Olympic Coast National Marine Sanctuary PZZ156-152230- Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm- 217 AM PDT Fri May 15 2026 .TODAY...W wind 10 to 15 kt, becoming SW 15 to 20 kt late this morning and afternoon. Seas 5 to 8 ft. Wave Detail: W 8 ft at 8 seconds and W 3 ft at 15 seconds. Showers with a slight chance of tstms this morning, then showers with a chance of tstms this afternoon. .TONIGHT...W wind 10 to 15 kt, rising to 15 to 20 kt after midnight. Seas 6 to 9 ft. Wave Detail: W 9 ft at 11 seconds and W 7 ft at 15 seconds. Showers. .SAT...NW wind 15 to 20 kt. Seas 8 to 11 ft. Wave Detail: W 11 ft at 12 seconds. Showers likely, mainly in the morning. .SAT NIGHT...NW wind 15 to 20 kt. Seas 8 to 11 ft. Wave Detail: NW 11 ft at 12 seconds. .SUN...NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: W 8 ft at 11 seconds. .SUN NIGHT...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 10 seconds and W 2 ft at 17 seconds. .MON...NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and W 8 ft at 16 seconds. .MON NIGHT...NW wind 10 to 15 kt. Seas 7 to 9 ft. Wave Detail: NW 8 ft at 9 seconds and W 8 ft at 15 seconds. .TUE...NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: W 8 ft at 13 seconds and SW 2 ft at 25 seconds. .TUE NIGHT...NW wind around 15 kt. Seas 7 to 9 ft. Wave Detail: NW 9 ft at 10 seconds. Winds and seas higher in and near tstms. $$