Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast
Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >
| NWS Forecast for: Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm (PZZ176) Issued by: National Weather Service Seattle, WA Last Update: 156 AM PDT Thu Apr 16 2026 |  |
| Today: NW wind 15 to 20 kt. Seas 8 to 11 ft, subsiding to 7 to 8 ft this afternoon. Wave detail: NW 11 ft at 10 seconds. Tonight: NW wind around 15 kt, easing to around 10 kt after midnight. Seas 7 to 8 ft, subsiding to 5 to 7 ft after midnight. Wave detail: NW 7 ft at 9 seconds. Fri: NW wind around 5 kt, veering to SE around 5 kt in the afternoon. Seas 4 to 5 ft. Wave detail: NW 5 ft at 9 seconds and W 2 ft at 9 seconds. Fri Night: NE wind around 5 kt, veering to E after midnight. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds, W 2 ft at 9 seconds and SW 2 ft at 15 seconds. Sat: SE wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: SE 4 ft at 5 seconds, NW 2 ft at 8 seconds and W 3 ft at 10 seconds. A chance of rain in the afternoon. Sat Night: SE wind 15 to 20 kt. Seas 4 to 6 ft. Wave detail: S 6 ft at 7 seconds, W 4 ft at 12 seconds and SW 2 ft at 15 seconds. Rain. Sun: SE wind around 15 kt, easing to around 10 kt in the afternoon. Seas 5 to 6 ft. Wave detail: S 6 ft at 7 seconds, W 4 ft at 14 seconds and SW 2 ft at 15 seconds. Rain likely, mainly in the morning. Sun Night: N wind around 10 kt. Seas 5 to 8 ft, building to 7 to 8 ft after midnight. Wave detail: N 2 ft at 3 seconds, S 4 ft at 7 seconds and W 6 ft at 12 seconds. Mon: N wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: N 4 ft at 5 seconds, S 3 ft at 7 seconds and W 6 ft at 11 seconds. Mon Night: NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave detail: NW 4 ft at 6 seconds, S 2 ft at 7 seconds and W 5 ft at 10 seconds. | |
| Zone Forecast: Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm (PZZ176) | |
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