


Coastal Waters Forecast
Issued by NWS
Issued by NWS
215 FZPQ52 PGUM 170641 CWFPQ2 Coastal Waters/Island Forecast for Western Micronesia National Weather Service Tiyan GU 441 PM ChST Wed Sep 17 2025 Coastal waters extend out to 40 nautical miles PMZ161-172300- Palau Coastal Waters- 441 PM ChST Wed Sep 17 2025 .TONIGHT...Variable wind 5 kt. Wind waves 2 ft or less. East swell 3 ft. Partly cloudy with isolated showers and thunderstorms. Lows around 78. Chance of showers 20 percent. .THURSDAY...Southeast wind 5 kt. Wind waves 2 ft or less. East swell 3 ft. Partly sunny with isolated showers and thunderstorms. Highs near 88. Chance of showers 20 percent. .THURSDAY NIGHT...South wind 5 kt. Wind waves 2 ft or less. East swell 3 ft. Mostly cloudy with scattered showers and isolated thunderstorms. Lows around 77. Chance of showers 30 percent. .FRIDAY...South wind 5 kt. Wind waves 2 ft or less. East swell 3 ft. Mostly sunny with isolated showers. Scattered island showers in the afternoon. Highs near 89. Chance of showers 40 percent. .FRIDAY NIGHT...Southwest wind 5 kt. Wind waves 2 ft or less. East swell 3 ft. Partly cloudy with isolated showers. Lows around 78. Chance of showers 20 percent. .SATURDAY...Southwest wind 5 to 10 kt. Wind waves 2 ft or less. East swell 3 ft. Partly cloudy. A 20 percent chance of showers. Highs in the upper 80s. Lows in the upper 70s. .SUNDAY...Southwest wind 5 to 10 kt. Wind waves 2 ft or less. Northwest swell 3 ft and east swell 2 ft. Mostly cloudy. A 30 percent chance of showers. Highs in the upper 80s. Lows in the upper 70s. .MONDAY...Southwest wind 5 to 10 kt. Wind waves 2 ft or less. Northwest swell 3 to 4 ft. Mostly cloudy with a 50 percent chance of showers and slight chance of thunderstorms. Highs in the mid 80s. Lows in the upper 70s. $$ PMZ171-172300- Yap Coastal Waters- 441 PM ChST Wed Sep 17 2025 .TONIGHT...South wind 5 to 10 kt. Wind waves 2 ft or less. East swell 3 to 4 ft. Mostly cloudy. Scattered showers in the evening, then isolated showers after midnight. Isolated thunderstorms. Lows around 77. Chance of showers 40 percent. .THURSDAY...South wind 5 to 10 kt. Wind waves 2 ft or less. East swell 3 to 4 ft. Mostly cloudy with scattered showers and isolated thunderstorms. Highs near 87. Chance of showers 40 percent. .THURSDAY NIGHT...Southeast wind 5 kt. Wind waves 2 ft or less. East swell 3 to 4 ft. Mostly cloudy with scattered showers and isolated thunderstorms. Lows around 77. Chance of showers 30 percent. .FRIDAY...Southeast wind 5 kt. Wind waves 2 ft or less. East swell 3 to 4 ft. Partly sunny with isolated showers. Highs near 89. Chance of showers 20 percent. .FRIDAY NIGHT...Variable wind 5 kt. Wind waves 2 ft or less. East swell 3 to 4 ft. Mostly cloudy with isolated showers and thunderstorms. Lows around 79. Chance of showers 20 percent. .SATURDAY...West wind 5 kt. Wind waves 2 ft or less. East swell 3 to 4 ft. Mostly cloudy. A 20 percent chance of showers and thunderstorms. Highs in the upper 80s. Lows in the upper 70s. .SUNDAY...West wind 5 kt. Wind waves 2 ft or less. Northwest swell 3 to 4 ft and east 2 to 3 ft. Mostly cloudy with a 30 percent chance of showers and slight chance of thunderstorms. Highs in the upper 80s. Lows in the upper 70s. .MONDAY...West wind 5 kt. Wind waves 2 ft or less. Northwest swell 3 to 4 ft. Mostly cloudy with a 40 percent chance of showers and slight chance of thunderstorms. Highs in the upper 80s. Lows in the upper 70s. $$ PMZ172-172300- Chuuk Coastal Waters- 441 PM ChST Wed Sep 17 2025 .TONIGHT...East wind 5 to 15 kt. Wind waves 1 to 3 ft. East swell 3 to 4 ft. Mostly cloudy with scattered showers and isolated thunderstorms. Lows around 77. Chance of showers 40 percent. .THURSDAY AND THURSDAY NIGHT...Northeast to east wind 5 to 10 kt. Wind waves 2 ft or less. East swell 3 to 4 ft. Mostly cloudy with scattered showers and isolated thunderstorms. Highs near 87. Lows around 77. Chance of showers 40 percent. .FRIDAY...East wind 5 to 10 kt. Wind waves 2 ft or less. East swell 3 to 4 ft. Mostly cloudy with scattered showers and isolated thunderstorms. Highs near 86. Chance of showers 50 percent. .FRIDAY NIGHT...East wind 5 to 10 kt. Wind waves 2 ft or less. East swell 3 to 4 ft. Mostly cloudy with scattered showers and isolated thunderstorms. Lows around 77. Chance of showers 40 percent. .SATURDAY...Southeast to south wind 5 kt. Wind waves 2 ft or less. East swell 3 to 4 ft. Mostly cloudy with a 50 percent chance of showers and slight chance of thunderstorms. Highs in the mid 80s. Lows in the upper 70s. .SUNDAY...South to southwest wind 5 kt. Wind waves 2 ft or less. East swell 3 to 4 ft. Mostly cloudy with a 40 percent chance of showers and slight chance of thunderstorms. Highs in the upper 80s. Lows in the upper 70s. .MONDAY...Southwest wind 5 kt. Wind waves 2 ft or less. East swell 3 to 4 ft. Mostly cloudy with a 40 percent chance of showers and slight chance of thunderstorms. Highs in the upper 80s. Lows in the upper 70s. $$