


Coastal Waters Forecast
Issued by NWS
Issued by NWS
583 FZPQ52 PGUM 240620 CWFPQ2 Coastal Waters/Island Forecast for Western Micronesia National Weather Service Tiyan GU 420 PM ChST Sun Aug 24 2025 Coastal waters extend out to 40 nautical miles PMZ161-242245- Palau Coastal Waters- 420 PM ChST Sun Aug 24 2025 .TONIGHT...Southwest wind 5 to 10 kt. Gusts to 20 kt near heavier showers. Wind waves 2 ft or less. Southwest swell 3 to 5 ft and light east swell. Mostly cloudy with scattered showers and isolated thunderstorms. Lows around 76. Chance of showers 30 percent this evening, becoming 50 percent after midnight. .MONDAY THROUGH TUESDAY...Southwest to west wind 5 to 10 kt. Wind waves 2 ft or less. Southwest swell 3 to 4 ft. Mostly cloudy with scattered showers and isolated thunderstorms. Highs near 86. Lows around 76. Chance of showers 50 percent. .TUESDAY NIGHT...West wind 5 to 10 kt. Wind waves 2 ft or less. South to southwest swell 3 to 4 ft. Mostly cloudy with scattered showers and isolated thunderstorms. Lows around 77. Chance of showers 40 percent. .WEDNESDAY THROUGH THURSDAY...Southwest wind 5 to 10 kt. Wind waves 2 ft or less. South to southwest 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. .FRIDAY...Southwest wind 5 to 10 kt. Wind waves 2 ft or less. Southeast to south swell 3 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. $$ PMZ171-242245- Yap Coastal Waters- 420 PM ChST Sun Aug 24 2025 .TONIGHT...Southeast to south wind 5 kt. Wind waves 2 ft or less. East to southeast swell 3 to 4 ft. Mostly cloudy with scattered showers and isolated thunderstorms. Lows around 77. Chance of showers 30 percent. .MONDAY...Southeast to south wind 5 kt. Wind waves 2 ft or less. Southeast to south swell 3 to 4 ft. Partly sunny with isolated showers and thunderstorms. Highs near 88. Chance of showers 20 percent. .MONDAY NIGHT...Variable wind 5 kt. Wind waves 2 ft or less. South swell 3 to 4 ft. Mostly cloudy with scattered showers and isolated thunderstorms. Lows around 77. Chance of showers 30 percent. .TUESDAY...Variable wind 5 kt. Wind waves 2 ft or less. South swell 3 to 4 ft. Partly sunny with scattered showers and isolated thunderstorms. Highs near 87. Chance of showers 40 percent. .TUESDAY NIGHT...West wind 5 kt. Wind waves 2 ft or less. Southeast swell 3 to 4 ft. Mostly cloudy with scattered showers and isolated thunderstorms. Lows around 77. Chance of showers 30 percent. .WEDNESDAY...Southwest wind 5 kt. Wind waves 2 ft or less. Southeast swell 3 to 4 ft. Mostly cloudy with a 40 percent chance of showers and slight chance of thunderstorms. Highs in the upper 80s. Lows in the upper 70s. .THURSDAY...Southwest wind 5 kt. Wind waves 2 ft or less. Southeast swell 3 to 4 ft. Mostly cloudy with a 40 percent chance of showers and slight chance of thunderstorms. Highs in the upper 80s. Lows in the upper 70s. .FRIDAY...South wind 5 kt. Wind waves 2 ft or less. East swell 3 ft. Mostly cloudy with a 50 percent chance of showers and slight chance of thunderstorms. Highs in the mid 80s. Lows in the upper 70s. $$ PMZ172-242245- Chuuk Coastal Waters- 420 PM ChST Sun Aug 24 2025 .TONIGHT...South 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. .MONDAY...Southeast wind 5 kt. Wind waves 2 ft or less. East to southeast swell 3 to 5 ft. Mostly cloudy with scattered showers and isolated thunderstorms. Highs near 86. Chance of showers 50 percent. .MONDAY NIGHT...East wind 5 kt. Wind waves 2 ft or less. East swell 4 to 5 ft. Mostly cloudy with scattered showers and isolated thunderstorms. Lows around 76. Chance of showers 40 percent. .TUESDAY...East wind 5 kt. Wind waves 2 ft or less. East swell 4 to 5 ft. Mostly sunny with isolated showers and thunderstorms. Highs near 88. Chance of showers 20 percent. .TUESDAY NIGHT...East wind 5 to 10 kt. Wind waves 2 ft or less. East swell 3 to 5 ft. Mostly cloudy with scattered showers and isolated thunderstorms. Lows around 77. Chance of showers 30 percent. .WEDNESDAY...East wind 10 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. .THURSDAY...Southeast wind 10 kt. Wind waves 2 ft or less. East swell 3 to 4 ft. Cloudy with showers likely and slight chance of thunderstorms. Highs in the mid 80s. Lows in the mid 70s. Chance of showers 60 percent. .FRIDAY...South wind 10 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 mid 80s. Lows in the upper 70s. $$