Last Update: 540 PM ChST Thu Jul 30 2026

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Tiyan, GU Local Forecast Office

9NM SSE Rota GU

Marine Zone Forecast


Tonight
Variable wind 5 kt. Seas around 3 ft. Wave detail: southeast 3 ft at 8 seconds and southwest 2 ft at 8 seconds. scattered showers.
Friday
Southwest wind 5 kt. Seas around 4 ft. Wave detail: southwest 3 ft at 8 seconds, southwest 2 ft at 4 seconds, and southeast 3 ft at 8 seconds.
Friday Night
West wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: southwest 3 ft at 8 seconds, west 2 ft at 4 seconds and southeast 3 ft at 13 seconds.
Saturday
West wind 5 to 15 kt. Seas around 6 ft. Wave detail: southwest 4 ft at 8 seconds, east 4 ft at 14 seconds and west 3 ft at 4 seconds. Scattered showers in the afternoon.
Saturday Night
West wind 10 to 15 kt. Seas 6 to 8 ft. Wave detail: west 5 ft at 9 seconds, east 5 ft at 15 seconds and west 2 ft at 4 seconds. Scattered showers.
Sunday
West wind 20 to 25 kt. Seas 7 to 9 ft. Wave detail: southwest 5 ft at 9 seconds, east 6 ft at 14 seconds and west 5 ft at 6 seconds. A chance of showers with a slight chance of thunderstorms.
Monday
West wind 20 to 25 kt. Seas 9 to 11 ft. Wave detail: southwest 5 ft at 9 seconds, northeast 8 ft at 14 seconds and west 5 ft at 6 seconds. A chance of showers with a slight chance of thunderstorms.
Tuesday
west wind 20 to 25 kt. Seas 9 to 11 ft. Wave detail: southwest 5 ft at 9 seconds, north 8 ft at 14 seconds and west 5 ft at 6 seconds. A chance of showers with a slight chance of thunderstorms.



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540 PM ChST Thu Jul 30 2026
 
 

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