246
FZPQ52 PGUM 210619
CWFPQ2

Coastal Waters/Island Forecast for Western Micronesia
National Weather Service Tiyan GU
419 PM ChST Fri Aug 21 2026

Coastal waters extend out to 40 nautical miles

PMZ161-212000-
Palau Coastal Waters-
419 PM ChST Fri Aug 21 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM CHST SUNDAY...
...ENHANCED MONSOON SURGE TO CONTINUE PRODUCING HEAVY RAINFALL AND
GUSTY WINDS TO PALAU AND YAP THE NEXT FEW DAYS...

.TONIGHT...West wind 15 to 25 kt with occasional gusts to 35 kt near
heavier showers. Wind waves 4 to 6 ft. West swell 4 to 6 ft.
Widespread heavy showers and isolated thunderstorms. Lows around 76.
Chance of showers 80 percent.
.SATURDAY...West wind 15 to 25 kt. Wind waves 4 to 6 ft. West swell
4 to 6 ft. Cloudy. Numerous heavy showers and isolated thunderstorms.
Highs near 86. Chance of showers 70 percent.
.SATURDAY NIGHT AND SUNDAY...West wind 15 to 25 kt. Wind waves 4 to
6 ft. Southwest swell 4 to 6 ft. Mostly cloudy. Scattered showers
and isolated thunderstorms. Lows around 77. Highs near 86. Chance of
showers 50 percent.
.SUNDAY NIGHT...West wind 15 to 20 kt. Wind waves 3 to 5 ft.
Southwest swell 4 to 6 ft. Mostly cloudy. Scattered showers. Lows
around 78. Chance of showers 30 percent.
.MONDAY...Southwest wind 10 to 15 kt. Wind waves 2 to 3 ft.
Southwest swell 3 to 5 ft. Mostly cloudy with a 30 percent chance of
showers. Highs in the upper 80s. Lows in the upper 70s.
.TUESDAY AND WEDNESDAY...Southwest wind 10 to 15 kt. Wind waves 2 to
3 ft. West swell 3 to 5 ft. Mostly cloudy with a 40 percent chance
of showers. Highs in the upper 80s. Lows in the upper 70s.

$$

PMZ171-212000-
Yap Coastal Waters-
419 PM ChST Fri Aug 21 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM CHST SUNDAY...
...ENHANCED MONSOON SURGE TO CONTINUE PRODUCING HEAVY RAINFALL AND
GUSTY WINDS TO PALAU AND YAP THE NEXT FEW DAYS...

.TONIGHT...Northwest wind 5 to 15 kt, veering to the west at 15 to
25 kt late tonight. Occasional gusts to 35 kt possible near outflow
boundaries after midnight. Wind waves 3 to 5 ft. Northwest swell 4
to 5 ft. Mostly cloudy with scattered showers in the evening,
becoming widespread heavy showers near midnight. Isolated
thunderstorms. Lows around 76. Chance of showers 80 percent.
.SATURDAY...West wind 15 to 25 kt with occasional gusts to 35 kt
possible near heavier showers. Wind waves 3 to 5 ft. West swell 4 to
6 ft. Cloudy. Numerous heavy showers and isolated thunderstorms.
Highs near 86. Chance of showers 70 percent.
.SATURDAY NIGHT AND SUNDAY...West wind 15 to 25 kt. Wind waves 4 to
6 ft. Southwest swell 4 to 6 ft. Mostly cloudy. Scattered showers
and isolated thunderstorms. Lows around 78. Highs near 86. Chance of
showers 50 percent.
.SUNDAY NIGHT...Southwest wind 15 to 25 kt. Wind waves 4 to 6 ft.
Southwest swell 4 to 6 ft. Mostly cloudy. Scattered showers. Lows
around 78. Chance of showers 40 percent.
.MONDAY THROUGH WEDNESDAY...West wind 15 to 20 kt. Wind waves 3 to 4
ft. West swell 4 to 6 ft, becoming 3 to 5 ft Tuesday. Mostly cloudy
with a 50 percent chance of showers and slight chance of thunderstorms.
Highs in the mid 80s. Lows in the upper 70s.

$$

PMZ172-212000-
Chuuk Coastal Waters-
419 PM ChST Fri Aug 21 2026

...SMALL CRAFT ADVISORY WILL BE ALLOWED TO EXPIRE LATE THIS
AFTERNOON...
...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 5 AM CHST SATURDAY ALONG
SOUTH FACING REEFS...

.TONIGHT...South to southwest wind 10 to 15 kt. Wind waves 3 to 4 ft.
South swell 5 to 7 ft. Mostly cloudy. Scattered showers. Lows around
78. Chance of showers 30 percent.
.SATURDAY...Southwest wind 5 to 10 kt. Wind waves 2 ft or less.
South swell 5 to 6 ft. Mostly cloudy. Scattered showers. Highs near
88. Chance of showers 30 percent.
.SATURDAY NIGHT AND SUNDAY...Southwest wind 5 to 10 kt. Wind waves 2
ft or less. Southwest swell 4 to 6 ft. Isolated showers. Lows around
78. Highs near 88. Chance of showers 20 percent.
.SUNDAY NIGHT...Southwest wind 5 to 10 kt. Wind waves 2 ft or less.
Southwest swell 3 to 5 ft. Mostly cloudy. Scattered showers. Lows
around 78. Chance of showers 30 percent.
.MONDAY THROUGH WEDNESDAY...Southwest to west wind 10 to 15 kt. Wind
waves 2 to 3 ft. Southwest to west swell 3 to 5 ft. Mostly cloudy
with a 40 percent chance of showers. Highs in the upper 80s. Lows in
the upper 70s.

$$