Last Update: 447 AM ChST Fri Sep 4 2026

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Tiyan, GU Local Forecast Office

8NM NE San Roque GU

Marine Zone Forecast


Today
Southwest wind 10 to 20 kt with gusts up to 25 kt. Seas 7 to 9 ft. Wave detail: west 8 ft at 9 seconds, southwest 4 ft at 5 seconds and northeast 2 ft at 8 seconds. Scattered showers with isolated thunderstorms.
Tonight
Southwest wind 10 to 15 kt. Seas 6 to 8 ft. Wave detail: west 7 ft at 8 seconds and southwest 3 ft at 4 seconds. Scattered showers with isolated thunderstorms.
Saturday And Saturday Night
West wind 5 to 10 kt. Seas 6 to 7 ft. Wave detail: west 6 ft at 8 seconds and west 2 ft at 4 seconds. Numerous showers with isolated thunderstorms. Locally heavy showers possible.
Sunday
West wind 10 kt. Seas 5 to 6 ft. Wave detail: west 5 ft at 8 seconds and west 2 ft at 5 seconds. Scattered showers.
Monday And Tuesday
Northwest to north wind 5 kt. Seas around 6 ft. Wave detail: west 6 ft at 9 seconds.



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447 AM ChST Fri Sep 4 2026
 
 

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