Last Update: 400 PM ChST Mon Nov 9 2026

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Tiyan, GU Local Forecast Office

20NM NW Apra Harbor GU

Marine Zone Forecast


Tonight
East wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: northeast 6 ft at 8 seconds, east 3 ft at 5 seconds and northwest 2 ft at 11 seconds.
Tuesday
East wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: northeast 5 ft at 8 seconds, east 3 ft at 4 seconds and northwest 2 ft at 11 seconds.
Tuesday Night
East wind 10 kt. Seas 5 to 6 ft. Wave detail: northeast 5 ft at 9 seconds, northwest 3 ft at 11 seconds and east 2 ft at 4 seconds.
Wednesday
East wind 5 to 10 kt. Seas 5 to 6 ft. Wave detail: northwest 4 ft at 10 seconds, east 4 ft at 9 seconds and east 2 ft at 4 seconds.
Wednesday Night
Northeast wind 5 to 10 kt. Seas 5 to 7 ft. Wave detail: northwest 4 ft at 10 seconds, east 4 ft at 10 seconds and northeast 2 ft at 4 seconds.
Thursday
Northeast wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: northwest 4 ft at 9 seconds, east 4 ft at 10 seconds and northeast 3 ft at 4 seconds.
Friday And Saturday
Northeast wind 10 to 15 kt. Seas 6 to 8 ft. Wave detail: north 7 ft at 11 seconds and northeast 3 ft at 5 seconds.



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400 PM ChST Mon Nov 9 2026
 
 

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