Last Update: 401 AM ChST Wed Jul 16 2025

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Tiyan, GU Local Forecast Office

18NM SE Andersen AFB GU

Marine Zone Forecast


Today
East wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: east 5 ft at 9 seconds and east 3 ft at 4 seconds. Scattered showers with isolated thunderstorms.
Tonight
East wind 10 kt. Seas 4 to 6 ft. Wave detail: east 5 ft at 9 seconds, east 2 ft at 4 seconds and west 2 ft at 8 seconds. Scattered showers with isolated thunderstorms.
Thursday
East wind 10 kt. Seas 5 to 6 ft. Wave detail: east 5 ft at 9 seconds, southwest 3 ft at 8 seconds and east 2 ft at 4 seconds. Isolated thunderstorms.
Thursday Night
Southeast wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: east 5 ft at 8 seconds, southwest 3 ft at 8 seconds and southeast 3 ft at 4 seconds. Scattered showers with isolated thunderstorms.
Friday
East wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: east 5 ft at 8 seconds, west 4 ft at 8 seconds and east 3 ft at 4 seconds. A chance of showers with a slight chance of thunderstorms.
Saturday Through Sunday
East wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: east 4 ft at 9 seconds, west 4 ft at 10 seconds and east 3 ft at 4 seconds. A chance of showers with a slight chance of thunderstorms.



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401 AM ChST Wed Jul 16 2025
 
 

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