Expires:202608161030;;246689 FZPQ52 PGUM 151835 CWFPQ2 Coastal Waters/Island Forecast for Western Micronesia National Weather Service Tiyan GU 435 AM ChST Sun Aug 16 2026 Coastal waters extend out to 40 nautical miles PMZ171-161030- Yap Coastal Waters- 435 AM ChST Sun Aug 16 2026 .TODAY...Southwest wind 15 to 20 kt. Wind waves 3 to 4 ft. West swell 4 to 5 ft. Partly sunny. Isolated showers. Highs near 87. Chance of showers 20 percent. .TONIGHT...West wind 10 to 20 kt. Wind waves 2 to 4 ft. West swell 5 to 6 ft. Mostly cloudy. Isolated showers. Lows around 78. Chance of showers 20 percent. .MONDAY...Southwest wind 10 to 15 kt. Wind waves 2 to 3 ft. West swell 5 to 6 ft. Partly sunny. Scattered showers. Highs near 87. Chance of showers 30 percent. .MONDAY NIGHT...Southwest wind 10 to 15 kt. Wind waves 2 to 3 ft. West swell 4 to 5 ft. Mostly cloudy. Scattered showers and isolated thunderstorms. Lows around 78. Chance of showers 40 percent. .TUESDAY...West wind 5 to 15 kt. Wind waves 1 to 3 ft. West swell 4 to 5 ft. Mostly cloudy with a 50 percent chance of showers and slight chance of thunderstorms. Highs in the upper 80s. Lows in the upper 70s. .WEDNESDAY...Northwest wind 5 to 15 kt. Wind waves 1 to 3 ft. West swell 3 to 5 ft. Mostly cloudy. Showers likely and slight chance of thunderstorms. Highs in the mid 80s. Lows in the upper 70s. Chance of showers 60 percent. .THURSDAY...West wind 10 to 15 kt. Wind waves 2 to 3 ft. West swell 3 to 4 ft. Cloudy. Showers likely and slight chance of thunderstorms. Highs in the mid 80s. Lows in the upper 70s. Chance of showers 70 percent. $$