Last Update: 503 PM ChST Mon Aug 17 2026

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Tiyan, GU Local Forecast Office

9NM SSE Rota GU

Marine Zone Forecast


Tonight
West wind 5 to 10 kt becoming light and variable after midnight. Seas 4 to 6 ft. Wave detail: west 4 ft at 9 seconds, north 3 ft at 9 seconds, and west 2 ft at 4 seconds. Isolated thunderstorms. For guam and rota, scattered showers after midnight.
Tuesday
Variable wind 5 kt. Seas 4 to 6 ft. Wave detail: west 4 ft at 9 seconds and north 3 ft at 9 seconds. Scattered showers with isolated thunderstorms in the afternoon.
Tuesday Night
North wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: west 4 ft at 9 seconds, north 3 ft at 9 seconds and north 2 ft at 4 seconds. Scattered showers with isolated thunderstorms.
Wednesday
North wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: west 4 ft at 9 seconds, north 3 ft at 9 seconds and north 2 ft at 4 seconds. Scattered showers with isolated thunderstorms.
Wednesday Night
Northeast wind 10 kt. Seas 4 to 6 ft. Wave detail: west 4 ft at 9 seconds, north 3 ft at 9 seconds and northeast 2 ft at 4 seconds. Scattered showers with isolated thunderstorms.
Thursday And Friday
East wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: west 4 ft at 9 seconds, northeast 4 ft at 9 seconds and northeast 2 ft at 4 seconds. Isolated thunderstorms.
Saturday
Southwest wind 5 to 15 kt. Seas 5 to 7 ft. Wave detail: northeast 5 ft at 10 seconds, west 3 ft at 9 seconds and southwest 3 ft at 4 seconds. A chance of showers.



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503 PM ChST Mon Aug 17 2026
 
 

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