Coastal Waters Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
656 FZMY50 PGUM 071804 CWFGUM Coastal Waters Forecast for the Mariana Islands National Weather Service Tiyan GU 404 AM ChST Sat Feb 8 2025 Marianas Waters out to 40 nautical miles PMZ150-081215- 404 AM ChST Sat Feb 8 2025 .Synopsis for Marianas Waters...Seas continue to subside and will be 6 to 8 feet this weekend. Another large northerly swell arrives by late Sunday night into Monday morning and seas are expected to become hazardous to small craft. Gentle to moderate winds increase to moderate to fresh by tonight for Tinian and Saipan and by Sunday night for Guam and Rota. Winds look to increase further and could also become hazardous to small craft by around Tuesday. $$ PMZ151-152-081215- Guam Coastal Waters-Rota Coastal Waters- 404 AM ChST Sat Feb 8 2025 .TODAY...East wind 10 to 15 kt. Seas 7 to 8 ft. Wave Detail: Northeast 6 ft at 8 seconds, northwest 5 ft at 11 seconds and east 3 ft at 4 seconds. .TONIGHT...East wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: Northeast 5 ft at 8 seconds, northwest 4 ft at 10 seconds and east 3 ft at 5 seconds. .SUNDAY...East wind 15 kt. Seas 6 to 7 ft. Wave Detail: Northeast 5 ft at 8 seconds, northwest 4 ft at 10 seconds and east 3 ft at 5 seconds. .SUNDAY NIGHT...East wind 15 to 20 kt. Seas 6 to 7 ft. Wave Detail: North 5 ft at 13 seconds, east 3 ft at 5 seconds and northeast 3 ft at 8 seconds. Scattered showers. .MONDAY...Northeast wind 15 to 20 kt. Seas 8 to 10 ft. Wave Detail: North 7 ft at 12 seconds, northeast 5 ft at 6 seconds and northeast 4 ft at 10 seconds. A chance of showers. .TUESDAY...Northeast wind 20 kt. Seas 7 to 9 ft. Wave Detail: Northeast 6 ft at 8 seconds, northeast 5 ft at 6 seconds and north 6 ft at 10 seconds. .WEDNESDAY...Northeast wind 20 kt. Seas 9 to 11 ft. Wave Detail: North 6 ft at 15 seconds, northeast 5 ft at 6 seconds and northeast 7 ft at 8 seconds. $$ PMZ153-154-081215- Tinian Coastal Waters-Saipan Coastal Waters- 404 AM ChST Sat Feb 8 2025 .TODAY...East wind 10 to 15 kt. Seas 7 to 9 ft. Wave Detail: Northeast 7 ft at 8 seconds, northwest 5 ft at 11 seconds and east3 ft at 4 seconds. Scattered showers. .TONIGHT...East wind 10 to 20 kt. Seas around 7 ft. Wave Detail: Northeast 5 ft at 8 seconds, northwest 4 ft at 10 seconds and northeast 3 ft at 5 seconds. Scattered showers. .SUNDAY...Northeast wind 15 kt with gusts to 25 kt. Seas 6 to 7 ft. Wave Detail: Northeast 5 ft at 8 seconds, northwest 4 ft at 10 seconds and northeast 3 ft at 5 seconds. Scattered showers. .SUNDAY NIGHT...Northeast wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: North 5 ft at 13 seconds, northeast 4 ft at 6 seconds and northeast 3 ft at 9 seconds. .MONDAY...Northeast wind 20 kt. Seas 8 to 10 ft. Wave Detail: North 7 ft at 12 seconds, northeast 5 ft at 6 seconds and northeast 4 ft at 10 seconds. .TUESDAY...Northeast wind 20 kt. Seas 7 to 9 ft. Wave Detail: Northeast 6 ft at 8 seconds, northeast 5 ft at 6 seconds and north 6 ft at 10 seconds. .WEDNESDAY...Northeast wind 20 kt. Seas 9 to 11 ft. Wave Detail: North 6 ft at 15 seconds, northeast 5 ft at 6 seconds and northeast 7 ft at 8 seconds. $$