News Headlines
| NWS Forecast for: Guam Coastal Waters (PMZ151) Issued by: National Weather Service Tiyan, GU Last Update: 400 PM ChST Sun Sep 20 2026 |  |
| Tonight: Southwest wind 5 kt. Seas 4 to 6 ft. Wave detail: southwest 4 ft at 9 seconds, northeast 3 ft at 10 seconds and northwest 3 ft at 10 seconds. Scattered showers with isolated thunderstorms. Monday: Southeast wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: southwest 3 ft at 8 seconds, north 3 ft at 9 seconds, northeast 3 ft at 11 seconds and south 2 ft at 4 seconds. Scattered showers with isolated thunderstorms. Monday Night: South wind 5 to 10 kt. Seas around 5 ft. Wave detail: southwest 3 ft at 8 seconds, north 3 ft at 9 seconds, northeast 3 ft at 11 seconds and south 2 ft at 4 seconds. Scattered showers with isolated thunderstorms. Tuesday: Southeast wind 5 to 10 kt. Seas around 5 ft. Wave detail: southwest 3 ft at 8 seconds, northeast 3 ft at 10 seconds, southeast 2 ft at 4 seconds and north 2 ft at 9 seconds. Scattered showers with isolated thunderstorms. Tuesday Night: South wind 10 to 15 kt. Seas around 5 ft. Wave detail: north 3 ft at 9 seconds, northeast 3 ft at 9 seconds and south 3 ft at 4 seconds. Scattered showers with isolated thunderstorms. Wednesday Through Friday: West wind 5 to 15 kt. Seas 3 to 5 ft. Wave detail: north 3 ft at 9 seconds, south 3 ft at 4 seconds, northeast 3 ft at 10 seconds and west 3 ft at 8 seconds. A chance of showers with a slight chance of thunderstorms. | |
| Zone Forecast: Guam Coastal Waters (PMZ151) | |
Visit your local NWS office at: https://www.weather.gov/gum |