363
FZPQ52 PGUM 171800
CWFPQ2

Coastal Waters/Island Forecast for Western Micronesia
National Weather Service Tiyan GU
400 AM ChST Mon Aug 18 2025

Coastal waters extend out to 40 nautical miles

PMZ161-180630-
Palau Coastal Waters-
400 AM ChST Mon Aug 18 2025

.TODAY...East wind 5 to 10 kt. Wind waves 2 ft or less. Light swell.
Mostly cloudy. Scattered showers becoming isolated near noon.
Isolated thunderstorms. Highs near 86. Chance of showers 30 percent.
.TONIGHT...East wind 5 kt. Wind waves 2 ft or less. Northeast swell
3 ft. Mostly cloudy with scattered showers and isolated
thunderstorms. Lows around 76. Chance of showers 50 percent.
.TUESDAY...Southeast wind 5 to 10 kt. Wind waves 2 ft or less. Light
swell. Mostly cloudy with scattered showers and isolated
thunderstorms. Highs near 86. Chance of showers 50 percent.
.TUESDAY NIGHT...South wind 5 to 10 kt. Wind waves 2 ft or less.
East swell 3 ft. Mostly cloudy with scattered showers and isolated
thunderstorms. Lows around 76. Chance of showers 50 percent.
.WEDNESDAY...South wind 5 kt. Wind waves 2 ft or less. East swell
3 ft. Mostly cloudy with a 40 percent chance of showers and slight
chance of thunderstorms. Highs in the upper 80s. Lows in the mid
70s.
.THURSDAY AND FRIDAY...West 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 upper 80s. Lows in the
mid 70s.

$$

PMZ171-180630-
Yap Coastal Waters-
400 AM ChST Mon Aug 18 2025

.TODAY...East wind 5 to 10 kt. Wind waves 2 ft or less. Northeast
swell 3 ft. Mostly cloudy with scattered showers and isolated
thunderstorms. Highs near 86. Chance of showers 40 percent.
.TONIGHT...East wind 5 to 10 kt. Wind waves 2 ft or less.
Northeast swell 3 to 4 ft. Mostly cloudy with scattered showers and
isolated thunderstorms. Lows around 77. Chance of showers 40
percent.
.TUESDAY...Southeast wind 5 to 10 kt. Wind waves 2 ft or less.
Northeast swell 3 to 4 ft. Mostly cloudy with scattered showers and
isolated thunderstorms. Highs near 86. Chance of showers 50 percent.
.TUESDAY NIGHT...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. Lows around 77. Chance of showers 50
percent.
.WEDNESDAY...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 upper 80s. Lows in the
mid 70s.
.THURSDAY...North wind 5 kt. Wind waves 2 ft or less. East swell
3 ft. Mostly cloudy with a 40 percent chance of showers and slight
chance of thunderstorms. Highs in the upper 80s. Lows in the mid
70s.
.FRIDAY...Variable wind 5 to 10 kt. Wind waves 2 ft or less. East
swell 3 ft. Mostly cloudy with a 40 percent chance of showers and
slight chance of thunderstorms. Highs in the upper 80s. Lows in the
mid 70s.

$$

PMZ172-180630-
Chuuk Coastal Waters-
400 AM ChST Mon Aug 18 2025

.TODAY...Southeast wind 10 to 15 kt. Gusts to 25 kt near heavier
showers. Wind waves 2 to 4 ft. East swell 3 to 4 ft. Numerous
showers and isolated thunderstorms. Locally heavy showers possible.
Highs near 85. Chance of showers 70 percent.
.TONIGHT...East wind 5 to 10 kt. Wind waves 2 ft or less. East swell
4 to 5 ft. Mostly cloudy with scattered showers and isolated
thunderstorms. Lows around 77. Chance of showers 40 percent.
.TUESDAY...East wind 5 to 10 kt. Wind waves 2 ft or less. East swell
4 to 5 ft. Partly sunny with scattered showers and isolated
thunderstorms. Highs near 87. Chance of showers 40 percent.
.TUESDAY NIGHT...Northeast wind 5 to 10 kt. Wind waves 2 ft or less.
East swell 4 to 5 ft. Mostly cloudy with scattered showers. Lows
around 77. Chance of showers 40 percent.
.WEDNESDAY...East wind 5 to 10 kt. Wind waves 2 ft or less. East
swell 3 to 4 ft. Mostly cloudy. A 30 percent chance of showers.
Highs in the upper 80s. Lows in the upper 70s.
.THURSDAY...East wind 5 to 10 kt. Wind waves 2 ft or less. East
swell 3 to 4 ft. Mostly cloudy. A 20 percent chance of showers.
Highs in the upper 80s. Lows in the upper 70s.
.FRIDAY...East wind 5 kt. Wind waves 2 ft or less. East swell 3 to
4 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.

$$