
Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes
Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >
| NWS Forecast for: Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm (PZZ376) Issued by: National Weather Service Medford, OR Last Update: 140 PM PDT Mon Apr 13 2026 | |
This Afternoon: NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: NW 2 ft at 5 seconds, NW 6 ft at 9 seconds and S 2 ft at 15 seconds. Tonight: NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave detail: NW 2 ft at 4 seconds, NW 5 ft at 9 seconds and S 2 ft at 15 seconds. Tue: W wind 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 5 to 6 ft. Wave detail: W 2 ft at 3 seconds, NW 4 ft at 8 seconds and S 2 ft at 15 seconds. A slight chance of showers in the morning, then rain in the afternoon. Tue Night: SW wind 15 to 20 kt, rising to 20 to 25 kt after midnight. Seas 5 to 7 ft, building to 7 to 9 ft after midnight. Wave detail: W 5 ft at 5 seconds, W 7 ft at 9 seconds and S 2 ft at 14 seconds. Rain. Wed: W wind 20 to 25 kt, becoming NW 15 to 20 kt in the afternoon. Seas 9 to 10 ft. Wave detail: W 6 ft at 6 seconds, W 8 ft at 10 seconds and S 2 ft at 14 seconds. Rain. Wed Night: N wind 15 to 20 kt. Seas 8 to 10 ft. Wave detail: NW 5 ft at 6 seconds, NW 9 ft at 11 seconds and S 2 ft at 15 seconds. A chance of showers. Thu: N wind 15 to 20 kt. Seas 9 to 10 ft. Wave detail: NW 5 ft at 7 seconds, NW 9 ft at 11 seconds and S 2 ft at 15 seconds. A chance of rain in the morning. Thu Night: N wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 8 to 10 ft. Wave detail: NW 5 ft at 6 seconds, NW 8 ft at 10 seconds and S 2 ft at 15 seconds. Fri: N wind 15 to 20 kt. Seas 7 to 9 ft. Wave detail: N 5 ft at 5 seconds, NW 7 ft at 9 seconds and SW 2 ft at 15 seconds. Fri Night: N wind 15 to 20 kt. Seas 7 to 9 ft, subsiding to 5 to 7 ft after midnight. Wave detail: N 5 ft at 7 seconds, NW 7 ft at 9 seconds and SW 2 ft at 15 seconds. | |
| Zone Forecast: Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm (PZZ376) | |
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