Coastal Waters Forecast for Guam Coastal Waters (PMZ151) (Text-Only)
NWS Forecast for: Guam Coastal Waters (PMZ151)
Issued by: National Weather Service Tiyan, GU
Last Update: 401 AM ChST Wed Jul 16 2025


Today: East wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: east 5 ft at 9 seconds and east 3 ft at 4 seconds. Scattered showers with isolated thunderstorms.

Tonight: East wind 10 kt. Seas 4 to 6 ft. Wave detail: east 5 ft at 9 seconds, east 2 ft at 4 seconds and west 2 ft at 8 seconds. Scattered showers with isolated thunderstorms.

Thursday: East wind 10 kt. Seas 5 to 6 ft. Wave detail: east 5 ft at 9 seconds, southwest 3 ft at 8 seconds and east 2 ft at 4 seconds. Isolated thunderstorms.

Thursday Night: Southeast wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: east 5 ft at 8 seconds, southwest 3 ft at 8 seconds and southeast 3 ft at 4 seconds. Scattered showers with isolated thunderstorms.

Friday: East wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: east 5 ft at 8 seconds, west 4 ft at 8 seconds and east 3 ft at 4 seconds. A chance of showers with a slight chance of thunderstorms.

Saturday Through Sunday: East wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: east 4 ft at 9 seconds, west 4 ft at 10 seconds and east 3 ft at 4 seconds. A chance of showers with a slight chance of thunderstorms.







Zone Forecast: Guam Coastal Waters (PMZ151)

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