Coastal Waters Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
975 FZMY50 PGUM 091809 CWFGUM Coastal Waters Forecast for the Mariana Islands National Weather Service Tiyan GU 409 AM ChST Sun Nov 10 2024 Marianas Waters out to 40 nautical miles PMZ150-100800- 409 AM ChST Sun Nov 10 2024 .Synopsis for Marianas Waters...Combined seas of 5 to 7 feet and moderate winds will begin to increase as a tropical disturbance (Invest 94W) develops over Chuuk State. Winds and seas could become hazardous to small craft, especially for Guam and Rota waters as 94W passes south of the coastal waters. Winds and seas begin to decrease beginning Monday night, but Tropical Storm Man- Yi north of Pohnpei and east of Guam and Saipan approaching from the east could impact our coastal waters beginning Tuesday night. $$ PMZ151-152-100800- Guam Coastal Waters-Rota Coastal Waters- 409 AM ChST Sun Nov 10 2024 .TODAY...East wind 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: East 5 ft at 9 seconds, east 3 ft at 6 seconds and west 2 ft at 10 seconds. Scattered showers with isolated thunderstorms. .TONIGHT...East wind 20 kt with gusts to 30 kt. Seas 7 to 9 ft. Wave Detail: East 7 ft at 9 seconds and east 5 ft at 6 seconds. Numerous locally heavy showers with isolated thunderstorms. .MONDAY...East wind 15 to 20 kt with gusts to 30 kt. Seas 7 to 9 ft. Wave Detail: East 7 ft at 9 seconds, east 4 to 5 ft at 6 seconds and north 2 ft at 10 seconds. Numerous locally heavy showers with isolated thunderstorms. .MONDAY NIGHT...Southeast wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: East 6 ft at 9 seconds, southeast 2 to 3 ft at 4 seconds and north 2 ft at 9 seconds. Scattered showers with isolated thunderstorms. .TUESDAY...East wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: East 6 ft at 10 seconds, southeast 2 ft at 4 seconds and north 2 ft at 12 seconds. Scattered showers with isolated thunderstorms. .WEDNESDAY THROUGH THURSDAY...East wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: Northeast 5 ft at 9 seconds, east 2 to 3 ft at 4 seconds and north 2 ft at 12 seconds. A chance of showers with a slight chance of thunderstorms. $$ PMZ153-154-100800- Tinian Coastal Waters-Saipan Coastal Waters- 409 AM ChST Sun Nov 10 2024 .TODAY...East wind 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: Northeast 6 ft at 9 seconds, east 3 ft at 5 seconds and west 2 ft at 10 seconds. Scattered showers with isolated thunderstorms. .TONIGHT...East wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: East 6 ft at 9 seconds and east 3 to 4 ft at 6 seconds. Scattered showers with isolated thunderstorms. .MONDAY...East wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: East 7 ft at 9 seconds, east 3 to 4 ft at 5 seconds and north 2 ft at 10 seconds. Scattered showers with isolated thunderstorms. .MONDAY NIGHT...East wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: East 7 ft at 10 seconds, east 2 to 3 ft at 4 seconds and north 2 ft at 9 seconds. Scattered showers with isolated thunderstorms. .TUESDAY...East wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: East 7 ft at 10 seconds, east 2 ft at 4 seconds and north 2 ft at 12 seconds. Scattered showers with isolated thunderstorms. .WEDNESDAY...East wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: Northeast 5 ft at 10 seconds, east 2 to 3 ft at 4 seconds and north 2 ft at 12 seconds. A chance of showers with a slight chance of thunderstorms. .THURSDAY...East wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: East 5 ft at 9 seconds, east 2 to 3 ft at 5 seconds and north 2 ft at 12 seconds. A chance of showers with a slight chance of thunderstorms. $$ Simpson