Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to develop off the southeast U.S. coast tonight and is expected to strengthen and bring flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Last Update: 456 PM ChST Sat Oct 11 2025

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Tiyan, GU Local Forecast Office

23NM WSW San Jose (Tinian) GU

Marine Zone Forecast


Tonight
East to northeast wind 5 to 10 kt. Seas 4 to 6 ft. wave detail: north 5 ft at 14 seconds, east 3 ft at 8 seconds and northeast 2 ft at 4 seconds.
Sunday And Sunday Night
East wind 10 kt. Seas 4 to 6 ft. Wave detail: north 4 ft at 13 seconds, east 3 ft at 8 seconds and east 2 ft at 4 seconds.
Monday
East wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: north 4 ft at 12 seconds, east 3 ft at 8 seconds and east 3 ft at 4 seconds.
Monday Night
East wind 15 kt. Seas 4 to 6 ft. Wave detail: north 4 ft at 11 seconds, east 3 ft at 5 seconds and east 3 ft at 8 seconds. Scattered showers.
Tuesday
East to southeast wind 15 to 20 kt. Seas 4 to 7 ft. wave detail: east 4 ft at 8 seconds, north 4 ft at 11 seconds and east 4 ft at 5 seconds. A chance of showers with a slight chance of thunderstorms.
Wednesday
Southeast wind 15 kt. Seas 4 to 6 ft. Wave detail: east 4 ft at 8 seconds, north 4 ft at 11 seconds and east 3 ft at 5 seconds. Showers likely with a slight chance of thunderstorms. locally heavy showers possible.
Thursday
East to southeast wind 10 to 15 kt. Seas 4 to 6 ft. wave detail: east 4 ft at 8 seconds, north 4 ft at 12 seconds and east 3 ft at 4 seconds. A chance of showers with a slight chance of thunderstorms.



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456 PM ChST Sat Oct 11 2025
 
 

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