



Storm Moving from Western into Central U.S. through Wednesday
A storm system moving over the Rockies Wednesday will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Moderate snow is expected from northwestern Wyoming into southern Montana. Read More >
NWS Forecast for: Tinian Coastal Waters (PMZ153) Issued by: National Weather Service Tiyan, GU Last Update: 515 PM ChST Wed Oct 15 2025 | ![]() |
Tonight: East wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: northeast 5 ft at 9 seconds, east 3 ft at 4 seconds, and east 2 ft at 12 seconds. Scattered showers with isolated thunderstorms. Thursday: East wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: northeast 5 ft at 8 seconds, east 3 ft at 5 seconds and east 3 ft at 12 seconds. Isolated thunderstorms. Thursday Night: East wind 15 kt. Seas 5 to 6 ft. Wave detail: northeast 5 ft at 9 seconds, east 3 ft at 5 seconds and east 2 ft at 12 seconds. Isolated thunderstorms. Friday: East wind 15 kt. Seas 4 to 6 ft. Wave detail: northeast 4 ft at 9 seconds, east 3 ft at 5 seconds and east 2 ft at 12 seconds. Friday Night: East wind 15 kt. Seas 4 to 6 ft. Wave detail: northeast 4 ft at 9 seconds, east 3 ft at 5 seconds and east 2 ft at 12 seconds. Saturday Through Sunday: East wind 15 kt. Seas 4 to 6 ft. Wave detail: northeast 4 ft at 9 seconds, east 3 ft at 5 seconds and east 3 ft at 12 seconds. A slight chance of thunderstorms. Monday: East wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: northeast 5 ft at 9 seconds, east 3 ft at 4 seconds and east 2 ft at 13 seconds. A chance of showers with a slight chance of thunderstorms. | |
Zone Forecast: Tinian Coastal Waters (PMZ153) | |
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