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Hazardous Weather Conditions
Last Update: 502 PM ChST Tue Aug 4 2026
For More Weather Information:
18NM SE Andersen AFB GU
Marine Zone Forecast
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...
Tonight
West wind 20 to 30 kt with occasional gusts to 40 kt. seas 8 to 10 ft. Wave detail: west 6 ft at 8 seconds, north 6 ft at 14 seconds and west 6 ft at 6 seconds. Scattered showers with isolated thunderstorms. Locally heavy showers possible.
Wednesday
West wind 15 to 25 kt. Seas 8 to 10 ft. Wave detail: west 6 ft at 9 seconds, north 6 ft at 14 seconds and west 5 ft at 5 seconds. Scattered showers with isolated thunderstorms.
Wednesday Night
West wind 15 to 25 kt. Seas 8 to 10 ft. Wave detail: west 6 ft at 13 seconds, north 6 ft at 14 seconds and west 5 ft at 5 seconds. Scattered showers with isolated thunderstorms.
Thursday
West wind 15 kt with frequent gusts to 25 kt. Seas 8 to 10 ft. Wave detail: west 6 ft at 13 seconds, northwest 6 ft at 14 seconds and west 5 ft at 5 seconds. Scattered showers with isolated thunderstorms.
Thursday Night
West wind 15 kt with gusts to 25 kt. Seas 8 to 10 ft. Wave detail: northwest 6 ft at 14 seconds, west 7 ft at 14 seconds and west 4 ft at 5 seconds. Scattered showers with isolated thunderstorms.
Friday
West wind 15 kt. Seas 7 to 9 ft. Wave detail: northwest 6 ft at 14 seconds, east 4 ft at 10 seconds and west 3 ft at 5 seconds. A chance of showers with a slight chance of thunderstorms.
Saturday And Sunday
Southwest wind 15 to 20 kt. Seas 8 to 10 ft. Wave detail: west 8 ft at 10 seconds, northwest 5 ft at 14 seconds and southwest 4 ft at 6 seconds. A chance of showers with a slight chance of thunderstorms.
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