Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Coastal Waters Forecast for Coastal Waters From Cape Flattery To James Island Out 10 Nm (PZZ150) (Text-Only)
NWS Forecast for: Coastal Waters From Cape Flattery To James Island Out 10 Nm (PZZ150)
Issued by: National Weather Service Seattle, WA
Last Update: 940 AM PDT Wed Apr 15 2026




Today: W wind 10 to 15 kt. Seas 7 to 8 ft. Wave detail: SW 3 ft at 8 seconds and W 8 ft at 10 seconds. Showers this morning. A chance of tstms until late afternoon, then a chance of rain with a slight chance of tstms late.

Tonight: NW wind 10 to 15 kt. Seas 7 to 9 ft. Wave detail: W 9 ft at 10 seconds.

Thu: NW wind 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Seas 6 to 8 ft. Wave detail: W 8 ft at 10 seconds.

Thu Night: W wind 10 to 15 kt. Seas 6 to 7 ft. Wave detail: NW 3 ft at 5 seconds and W 7 ft at 9 seconds.

Fri: SW wind around 5 kt. Seas 3 to 5 ft. Wave detail: NW 5 ft at 8 seconds.

Fri Night: NW wind around 5 kt, veering to E after midnight. Seas around 3 ft. Wave detail: NW 3 ft at 8 seconds.

Sat: SE wind 10 to 15 kt. Seas 3 to 4 ft. Wave detail: SE 3 ft at 5 seconds and NW 2 ft at 8 seconds. A chance of rain in the afternoon.

Sat Night: SE wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: S 5 ft at 9 seconds and W 3 ft at 10 seconds. Rain likely.

Sun: E wind 5 to 10 kt. Seas 4 to 5 ft. Wave detail: S 5 ft at 8 seconds. A chance of rain.

Sun Night: NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 3 ft at 4 seconds, SW 4 ft at 8 seconds and W 4 ft at 14 seconds.

winds and seas higher in and near tstms.







Zone Forecast: Coastal Waters From Cape Flattery To James Island Out 10 Nm (PZZ150)

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