691
FZPQ52 PGUM 180646
CWFPQ2

Coastal Waters/Island Forecast for Western Micronesia
National Weather Service Tiyan GU
446 PM ChST Fri Sep 18 2026

Coastal waters extend out to 40 nautical miles

PMZ161-182300-
Palau Coastal Waters-
446 PM ChST Fri Sep 18 2026

.TONIGHT...Southwest wind 10 to 15 kt. Wind waves 2 to 3 ft. West
swell 3 to 4 ft. Partly cloudy. Isolated showers. Lows around 79.
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 88. Chance of
showers 20 percent.
.SATURDAY NIGHT...Southwest wind 10 to 15 kt. Wind waves 2 to 3 ft.
West swell 3 to 4 ft. Partly cloudy. Isolated showers. Lows around
79. Chance of showers 20 percent.
.SUNDAY...Southwest wind 10 to 15 kt. Wind waves 2 to 3 ft. West
swell 3 ft. Partly sunny. Isolated showers. Highs near 88. Chance of
showers 20 percent.
.SUNDAY NIGHT...Southwest wind 5 to 15 kt. Wind waves 1 to 3 ft.
Northwest swell 3 to 4 ft. Mostly cloudy. Scattered showers. Lows
around 79. Chance of showers 40 percent.
.MONDAY...Southwest wind 5 to 15 kt. Wind waves 1 to 3 ft. West
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.
.TUESDAY...Southwest wind 5 to 10 kt. Wind waves 2 ft or less. North
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 upper 70s.
.WEDNESDAY...Southwest wind 10 to 15 kt. Wind waves 2 to 3 ft. North
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
upper 70s.

$$

PMZ171-182300-
Yap Coastal Waters-
446 PM ChST Fri Sep 18 2026

...SMALL CRAFT ADVISORY WILL EXPIRE AT 5 PM ChST...
...ELEVATED SURF ALONG WEST FACING REEFS WILL CONTINUE THROUGH
TONIGHT...

.TONIGHT...West wind 10 to 15 kt with occasional gusts to 25 kt.
Wind waves 2 to 4 ft. West swell 5 to 6 ft. Mostly cloudy. Scattered
showers and isolated thunderstorms. Lows around 77. Chance of
showers 40 percent.
.SATURDAY...West wind 10 to 15 kt with occasional gusts to 25 kt.
Wind waves 2 to 3 ft. West swell 5 to 6 ft. Partly sunny. Scattered
showers and isolated thunderstorms. Highs near 86. Chance of showers
40 percent.
.SATURDAY NIGHT...West 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 76. Chance of showers 50 percent.
.SUNDAY...West wind 10 to 15 kt. Wind waves 2 to 3 ft. West swell 4
to 5 ft. Mostly cloudy. Scattered showers and isolated thunderstorms.
Highs near 86. Chance of showers 50 percent.
.SUNDAY NIGHT...West wind 5 to 15 kt. Wind waves 1 to 3 ft. Mixed
swell west 4 to 5 ft and north 3 ft. Cloudy. Numerous showers and
isolated thunderstorms. Lows around 75. Chance of showers 70
percent.
.MONDAY...West wind 5 to 15 kt. Wind waves 1 to 3 ft. Mixed swell
west 4 to 5 ft and north 3 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 5 to 10 kt. Wind waves 2 ft or less.
North swell 3 to 5 ft and west 3 to 5 ft. Cloudy. Showers likely and
slight chance of thunderstorms. Highs in the mid 80s. Lows in the
mid 70s. Chance of showers 70 percent.
.WEDNESDAY...Southwest wind 10 to 15 kt. Wind waves 2 to 3 ft. Mixed
swell north 3 to 4 ft and west 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 upper 70s.

$$

PMZ172-182300-
Chuuk Coastal Waters-
446 PM ChST Fri Sep 18 2026

.TONIGHT...Southwest wind 5 to 15 kt. Wind waves 1 to 3 ft. West
swell 3 to 4 ft. Partly cloudy. Isolated showers. Lows around 79.
Chance of showers 20 percent.
.SATURDAY...Southwest wind 5 to 10 kt. Wind waves 2 ft or less. West
swell 3 to 4 ft. Partly sunny. Isolated showers and thunderstorms.
Highs near 88. Chance of showers 20 percent.
.SATURDAY NIGHT...Southwest wind 5 to 10 kt. Wind waves 2 ft or
less. West swell 3 to 4 ft. Mostly cloudy. Scattered showers and
isolated thunderstorms. Lows around 76. Chance of showers 50
percent.
.SUNDAY...Southwest wind 5 to 10 kt. Wind waves 2 ft or less.
Northwest swell 4 to 5 ft. Mostly cloudy. Scattered showers and
isolated thunderstorms. Highs near 86. Chance of showers 50 percent.
.SUNDAY NIGHT...Southwest wind 5 to 10 kt. Wind waves 2 ft or less.
Northeast swell 4 to 5 ft. Mostly cloudy. Scattered showers and
isolated thunderstorms. Lows around 76. Chance of showers 50
percent.
.MONDAY...Southwest wind 10 kt. Wind waves 2 ft or less. East swell
4 to 5 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.
.TUESDAY AND WEDNESDAY...Southwest wind 5 kt. Wind waves 2 ft or
less. Southeast 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.

$$