News Headlines
| NWS Forecast for: Guam Coastal Waters (PMZ151) Issued by: National Weather Service Tiyan, GU Last Update: 459 PM ChST Mon Sep 22 2025 |  |
| Tonight: East wind 5 to 10 kt. Seas 5 to 6 ft. Wave detail: west 4 ft at 11 seconds, northeast 3 ft at 12 seconds, east 2 ft at 4 seconds and east 2 ft at 8 seconds. Scattered showers with isolated thunderstorms. Tuesday: Southeast wind 5 to 15 kt. Seas 5 to 6 ft. Wave detail: west 4 ft at 12 seconds, north 3 ft at 11 seconds, southeast 2 ft at 4 seconds and east 2 ft at 8 seconds. Scattered showers with isolated thunderstorms. Tuesday Night: East wind 5 to 10 kt. Seas 5 to 6 ft. Wave detail: west 4 ft at 11 seconds, north 3 ft at 11 seconds, east 2 ft at 4 seconds and east 2 ft at 8 seconds. Scattered showers with isolated thunderstorms. Wednesday: East wind 10 kt. Seas 5 to 6 ft. Wave detail: west 4 ft at 11 seconds, north 3 ft at 11 seconds, east 2 ft at 4 seconds, and east 2 ft at 8 seconds. Wednesday Night: East wind 5 to 10 kt. Seas 5 to 7 ft. Wave detail: west 4 ft at 11 seconds, north 3 ft at 11 seconds, east 2 ft at 4 seconds, and east 2 ft at 8 seconds. Thursday: East wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: northeast 5 ft at 13 seconds, west 3 ft at 8 seconds and east 2 ft at 4 seconds. Friday: Southeast wind 5 to 10 kt. Seas 6 to 7 ft. Wave detail: northeast 6 ft at 14 seconds and east 2 ft at 9 seconds. A chance of showers with a slight chance of thunderstorms. Saturday: East wind 5 to 10 kt. Seas 5 to 7 ft. Wave detail: northeast 7 ft at 15 seconds, east 2 ft at 4 seconds and east 2 ft at 9 seconds. A slight chance of thunderstorms. | |
| Zone Forecast: Guam Coastal Waters (PMZ151) | |
Visit your local NWS office at: https://www.weather.gov/gum |