Coastal Waters Forecast
Issued by NWS
Issued by NWS
871 FZPQ52 PGUM 171835 CWFPQ2 Coastal Waters/Island Forecast for Western Micronesia National Weather Service Tiyan GU 435 AM ChST Fri Sep 18 2026 Coastal waters extend out to 40 nautical miles PMZ161-181030- Palau Coastal Waters- 435 AM ChST Fri Sep 18 2026 .TODAY...Southwest wind 10 to 15 kt. Wind waves 2 to 3 ft. West swell 4 to 5 ft. Mostly sunny. Isolated showers. Highs near 88. Chance of showers 20 percent. .TONIGHT...West wind 10 to 15 kt. Wind waves 2 to 3 ft. West swell 4 to 5 ft. Partly cloudy. Isolated light showers. Lows around 78. Chance of showers 20 percent. .SATURDAY...Southwest wind 10 to 15 kt. Wind waves 2 to 3 ft. West swell 3 to 4 ft. Mostly sunny. Isolated showers. Highs near 86. Chance of showers 20 percent. .SATURDAY NIGHT...Southwest wind 10 to 15 kt. Wind waves 2 to 3 ft. West swell 3 ft. Partly cloudy. Isolated light showers. Lows around 79. Chance of showers 10 percent. .SUNDAY...Southwest wind 10 to 15 kt. Wind waves 2 to 3 ft. West swell 3 ft. Partly cloudy. Slight chance of showers. Highs in the mid 80s. Lows in the upper 70s. Chance of showers 20 percent. .MONDAY...Southwest wind 10 to 15 kt. Wind waves 2 to 3 ft. West 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 mid 70s. .TUESDAY...Southwest wind 5 to 15 kt. Wind waves 1 to 3 ft. North swell 3 ft. Mostly cloudy with a 50 percent chance of showers and slight chance of thunderstorms. Highs in the upper 80s. Lows in the mid 70s. $$ PMZ171-181030- Yap Coastal Waters- 435 AM ChST Fri Sep 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT THROUGH LATE THIS AFTERNOON... ...ELEVATED SURF ALONG WEST FACING REEFS THROUGH TONIGHT... .TODAY...West wind 15 to 25 kt. Wind waves 3 to 5 ft. West swell 6 to 7 ft. Mostly cloudy. Scattered showers and isolated thunderstorms. Highs near 86. Chance of showers 50 percent. .TONIGHT...West wind 10 to 20 kt. Wind waves 2 to 4 ft. West swell 6 to 7 ft. Mostly cloudy. Scattered showers and isolated thunderstorms. Lows around 77. Chance of showers 50 percent. .SATURDAY...West wind 10 to 15 kt. Wind waves 2 to 3 ft. West swell 5 to 7 ft. Partly sunny. Scattered showers. Highs near 87. Chance of showers 40 percent. .SATURDAY NIGHT...West wind 10 to 15 kt. Wind waves 2 to 3 ft. West swell 5 to 6 ft. Mostly cloudy. Scattered showers and isolated thunderstorms. Lows around 78. Chance of showers 50 percent. .SUNDAY...West wind 10 to 15 kt. Wind waves 2 to 3 ft. Mixed swell west 5 to 6 ft and northeast 3 ft. Mostly cloudy with a 40 percent chance of showers and slight chance of thunderstorms. Highs in the mid 80s. Lows in the upper 70s. .MONDAY...West wind 10 to 15 kt. Wind waves 2 to 3 ft. Mixed swell west 5 to 6 ft and north 3 to 4 ft. Widespread locally heavy showers and slight chance of thunderstorms. Highs in the mid 80s. Lows in the mid 70s. Chance of showers 80 percent. .TUESDAY...Southwest wind 10 to 15 kt. Wind waves 2 to 3 ft. West swell 4 to 5 ft and northwest 3 to 4 ft. Widespread locally heavy showers and slight chance of thunderstorms. Highs in the mid 80s. Lows in the mid 70s. Chance of showers 80 percent. $$ PMZ172-181030- Chuuk Coastal Waters- 435 AM ChST Fri Sep 18 2026 .TODAY...Southwest wind 10 to 15 kt. Wind waves 2 to 3 ft. Southwest swell 3 to 4 ft. Mostly sunny. Isolated showers. Highs near 87. Chance of showers 20 percent. .TONIGHT...Southwest wind 10 to 15 kt. Wind waves 2 to 3 ft. West swell 3 ft. Partly cloudy. Isolated showers. Lows around 78. Chance of showers 20 percent. .SATURDAY...Southwest wind 10 to 15 kt. Wind waves 2 to 3 ft. West swell 3 ft. Mostly sunny. Isolated showers. Highs near 86. Chance of showers 20 percent. .SATURDAY NIGHT...Southwest wind 5 to 10 kt. Wind waves 2 ft or less. West swell 3 ft. Partly cloudy. Isolated showers. Lows around 78. Chance of showers 20 percent. .SUNDAY...Southwest wind 5 to 10 kt. Wind waves 2 ft or less. North 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. .MONDAY...Southwest wind 5 to 10 kt. Wind waves 2 ft or less. East swell 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. .TUESDAY...Southwest wind 5 kt. Wind waves 2 ft or less. East swell 3 ft. Mostly cloudy with a 30 percent chance of showers. Highs in the mid 80s. Lows in the upper 70s. $$