Coastal Waters Forecast for Tinian Coastal Waters (PMZ153) (Text-Only)
NWS Forecast for: Tinian Coastal Waters (PMZ153)
Issued by: National Weather Service Tiyan, GU
Last Update: 458 AM ChST Sun Sep 20 2026


Today: Southeast wind 5 kt. Seas 4 to 6 ft. Wave detail: southwest 4 ft at 9 seconds, northeast 3 ft at 10 seconds and north 3 ft at 10 seconds. Scattered showers with isolated thunderstorms.

Tonight: East wind 5 kt. Seas 4 to 6 ft. Wave detail: southwest 4 ft at 9 seconds, northeast 3 ft at 10 seconds and north 3 ft at 10 seconds. Scattered showers with isolated thunderstorms.

Monday: Southeast wind 5 to 10 kt. Seas around 5 ft. Wave detail: north 3 ft at 11 seconds, northeast 3 ft at 11 seconds, southeast 2 ft at 4 seconds and southwest 2 ft at 8 seconds. Scattered showers with isolated thunderstorms.

Monday Night: Southeast wind 10 kt. Seas around 5 ft. Wave detail: north 3 ft at 11 seconds, northeast 3 ft at 11 seconds, southeast 2 ft at 4 seconds and southwest 2 ft at 8 seconds. Scattered showers and isolated thunderstorms.

Tuesday Through Wednesday: Southeast wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: northeast 3 ft at 10 seconds, southeast 2 ft at 4 seconds, southwest 2 ft at 8 seconds and north 2 ft at 10 seconds. A chance of showers with a slight chance of thunderstorms.

Thursday: East wind 5 kt. Seas 3 to 4 ft. Wave detail: north 3 ft at 8 seconds and northeast 2 ft at 9 seconds. A chance of showers.







Zone Forecast: Tinian Coastal Waters (PMZ153)

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