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 >

Last Update: 842 AM PDT Mon Apr 13 2026

View Nearby Observations

10NM S Oakland CA

Marine Zone Forecast


Today
Light and variable winds, becoming NW around 5 kt late this morning, rising to 5 to 10 kt early this afternoon, becoming W 10 to 15 kt late.
Tonight
W wind 10 to 15 kt, easing to 5 to 10 kt after midnight.
Tue
W wind 5 to 10 kt.
Tue Night
W wind 10 to 15 kt, easing to 5 to 10 kt after midnight.
Wed
W wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Wed Night
W wind 10 to 15 kt.
Thu
NW wind 10 to 15 kt.
Thu Night
NW wind 10 to 15 kt, becoming N 5 to 10 kt after midnight.
Fri
N wind around 5 kt.
Fri Night
W wind 5 to 10 kt, easing to around 5 kt after midnight.



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842 AM PDT Mon Apr 13 2026
 
 

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