


Coastal Waters Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
495 FZMY50 PGUM 290601 CWFGUM Coastal Waters Forecast for the Mariana Islands National Weather Service Tiyan GU 401 PM ChST Tue Apr 29 2025 Marianas Waters out to 40 nautical miles PMZ150-292000- 401 PM ChST Tue Apr 29 2025 .Synopsis for Marianas Waters...Gentle to moderate trades will prevail across the region this week. Combined seas of 4 to 5 feet may briefly increase a foot Thursday or Thursday night. $$ PMZ151>154-292000- MARIANAS COASTAL WATERS- 401 PM ChST Tue Apr 29 2025 .TONIGHT...East wind 10 to 15 kt. Seas around 4 to 5 ft. Wave Detail: East 4 ft at 8 seconds and east 3 ft at 5 seconds. .WEDNESDAY AND WEDNESDAY NIGHT...East wind 15 kt. Seas 4 to 5 ft. Wave Detail: East 4 ft at 8 seconds and east 3 ft at 5 seconds. .THURSDAY AND THURSDAY NIGHT...East wind 15 kt. Seas 4 to 6 ft. Wave Detail: East 5 ft at 8 seconds and east 3 ft at 5 seconds. .FRIDAY THROUGH SUNDAY...East wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: East 4 ft at 8 seconds and east 3 ft at 5 seconds. $$