Coastal Waters Forecast
Issued by NWS

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778
FZMY50 PGUM 281015
CWFMY

COASTAL WATERS FORECAST FOR GUAM AND THE NORTHERN MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
815 PM CHST WED SEP 28 2016

MARIANAS WATERS OUT TO 40 NAUTICAL MILES

PMZ150-282100-
815 PM CHST WED SEP 28 2016

.SYNOPSIS FOR MARIANAS WATERS...TROPICAL DEPRESSION CHABA (21W)
WILL MOVE WEST THROUGH THE MARIANAS TONIGHT AND THURSDAY MORNING.
WINDS GUSTING TO 40 KT AND SEAS GREATER THAN 10 FEET ARE LIKELY
IN TINIAN AND SAIPAN WATERS TONIGHT. HEAVY RAIN AND FREQUENT
LIGHTNING ARE ALSO LIKELY TONIGHT AND THURSDAY THROUGHOUT THE
MARIANAS. CONDITIONS ARE EXPECTED TO IMPROVE ON FRIDAY.

$$

PMZ151-152-282100-
GUAM COASTAL WATERS-ROTA COASTAL WATERS-
815 PM CHST WED SEP 28 2016

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...
...TROPICAL STORM WATCH IN EFFECT...

.TONIGHT...NORTHWEST WIND 15 TO 20 KT BACKING SOUTHWEST AND
INCREASING TO 15 TO 25 KT AFTER MIDNIGHT. WIND WAVES 4 TO 6 FT.
MIXED SWELL EAST 4 TO 6 FT AND WEST 3 FT. WIDESPREAD LOCALLY HEAVY
SHOWERS AND SCATTERED THUNDERSTORMS.
.THURSDAY...SOUTH WIND 15 TO 25 KT. WIND WAVES 3 TO 5 FT. MIXED
SWELL EAST 5 TO 7 FT AND WEST 4 FT. WIDESPREAD LOCALLY HEAVY
SHOWERS AND SCATTERED THUNDERSTORMS.
.THURSDAY NIGHT...SOUTH WIND 15 TO 20 KT. WIND WAVES 3 TO 4 FT.
MIXED SWELL EAST 4 TO 6 FT AND WEST 3 FT. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS.
.FRIDAY...SOUTH WIND 15 TO 20 KT. WIND WAVES 3 TO 4 FT. MIXED
SWELL EAST 3 FT AND WEST 3 FT. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
.FRIDAY NIGHT...SOUTH WIND 10 TO 15 KT. WIND WAVES 2 TO 3 FT.
MIXED SWELL EAST 3 FT AND WEST 3 FT. ISOLATED THUNDERSTORMS.
.SATURDAY...SOUTHEAST WIND 10 TO 15 KT. WIND WAVES 2 TO 3 FT.
EAST SWELL 3 TO 4 FT.
.SUNDAY...NORTHEAST WIND 10 TO 20 KT. WIND WAVES 2 TO 4 FT. EAST
SWELL 3 FT.
.MONDAY...SOUTHEAST WIND 10 TO 20 KT. WIND WAVES 2 TO 4 FT. EAST
SWELL 3 FT. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.

$$

PMZ153-154-282100-
TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS-
815 PM CHST WED SEP 28 2016

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...
...TROPICAL STORM WATCH IN EFFECT...

.TONIGHT...EAST WIND 30 KT WITH GUSTS TO 40 KT. WIND WAVES 7 TO
12 FT. MIXED SWELL EAST 4 TO 6 FT AND WEST 3 FT. WIDESPREAD
LOCALLY HEAVY SHOWERS AND SCATTERED THUNDERSTORMS.
.THURSDAY...SOUTHEAST WIND 15 TO 25 KT. WIND WAVES 3 TO 5 FT.
MIXED SWELL EAST 5 TO 7 FT AND WEST 4 FT. WIDESPREAD LOCALLY
HEAVY SHOWERS AND SCATTERED THUNDERSTORMS.
.THURSDAY NIGHT...SOUTH WIND 15 TO 20 KT. WIND WAVES 3 TO 5 FT.
MIXED SWELL EAST 4 TO 6 FT AND WEST 3 FT. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS.
.FRIDAY...SOUTH WIND 10 TO 15 KT. WIND WAVES 2 TO 3 FT. MIXED
SWELL EAST 3 TO 4 FT AND WEST 3 FT. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
.FRIDAY NIGHT...SOUTH WIND 10 TO 15 KT. WIND WAVES 2 TO 3 FT.
MIXED SWELL EAST 3 TO 4 FT AND WEST 3 FT. ISOLATED THUNDERSTORMS.
.SATURDAY...SOUTHEAST WIND 10 KT. WIND WAVES 2 FT. EAST SWELL 3
TO 4 FT.
.SUNDAY...NORTHEAST WIND 10 TO 20 KT. WIND WAVES 2 TO 4 FT. EAST
SWELL 3 FT.
.MONDAY...SOUTHEAST WIND 10 TO 20 KT. WIND WAVES 2 TO 4 FT. EAST
SWELL 3 TO 4 FT. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.

$$



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