Last Update: 455 PM ChST Wed Aug 5 2026

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Tiyan, GU Local Forecast Office

9NM SSE Rota GU

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

Tonight
West wind 10 to 20 kt. Seas 9 to 11 ft. Wave detail: west 8 ft at 12 seconds, north 6 ft at 14 seconds and west 4 ft at 5 seconds. Scattered showers with isolated thunderstorms. Locally heavy rainfall possible.
Thursday
West wind 10 to 15 kt with gusts to 25 kt. Seas 9 to 11 ft. Wave detail: west 8 ft at 13 seconds, northwest 6 ft at 14 seconds and west 3 ft at 4 seconds. Scattered showers with isolated thunderstorms. Locally heavy rainfall possible.
Thursday Night
West wind 10 to 15 kt with gusts to 25 kt. Seas 9 to 11 ft. Wave detail: west 8 ft at 13 seconds, northwest 6 ft at 14 seconds and west 3 ft at 4 seconds. Scattered showers with isolated thunderstorms.
Friday
West wind 10 to 15 kt. Seas 8 to 10 ft. Wave detail: northwest 8 ft at 14 seconds, northwest 6 ft at 14 seconds and west 3 ft at 5 seconds. Scattered showers with isolated thunderstorms.
Friday Night
West wind 15 to 20 kt. Seas 8 to 10 ft. Wave detail: west 7 ft at 13 seconds, northwest 5 ft at 14 seconds, east 4 ft at 10 seconds and west 3 ft at 5 seconds. Scattered showers with isolated thunderstorms.
Saturday Through Monday
Southwest wind 15 to 25 kt. Seas 9 to 12 ft. Wave detail: west 9 ft at 9 seconds, west 6 ft at 7 seconds and northwest 5 ft at 14 seconds. A chance of showers with a slight chance of thunderstorms.



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455 PM ChST Wed Aug 5 2026
 
 

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