Coastal Waters Forecast
Issued by NWS

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000
FZMY50 PGUM 030451
CWFMY

COASTAL WATERS FORECAST FOR GUAM AND THE NORTHERN MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
251 PM CHST FRI JUL 3 2015

MARIANAS WATERS OUT TO 40 NAUTICAL MILES

PMZ150-032045-
251 PM CHST FRI JUL 3 2015

.SYNOPSIS FOR MARIANAS WATERS...FRESH TO STRONG WINDS AND COMBINED
SEAS OF 8 TO 12 FEET ARE EXPECTED TONIGHT. WINDS AND SEAS WILL
INCREASE SATURDAY AND SATURDAY NIGHT AS TROPICAL STORM CHAN-HOM
APPROACHES...WITH TROPICAL STORM CONDITIONS LIKELY INTO SUNDAY.
TYPHOON CONDITIONS MAY STILL OCCUR BRIEFLY SATURDAY NIGHT OR
SUNDAY MORNING.

$$

PMZ151-032045-
GUAM COASTAL WATERS-
251 PM CHST FRI JUL 3 2015

...TYPHOON WATCH IN EFFECT...

.TONIGHT...NORTH WIND 20 TO 25 KT. WIND WAVES 5 TO 7 FT. NORTHEAST
SWELL 7 TO 9 FT AND SOUTHWEST 4 FT. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
.SATURDAY...NORTH WIND 25 TO 30 KT. WIND WAVES 8 TO 10 FT. EAST
SWELL 7 TO 9 FT AND EAST 4 FT. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
.SATURDAY NIGHT...NORTH TROPICAL STORM FORCE WIND TO 40 KT WITH
GUSTS TO 50 KT RISING TO 50 KT WITH GUSTS TO 70 KT AFTER
MIDNIGHT. COMBINED SEAS 18 TO 20 FT. LOCALLY HEAVY SHOWERS AND
ISOLATED THUNDERSTORMS.
.SUNDAY...WEST TROPICAL STORM FORCE WIND TO 55 KT WITH GUSTS TO
75 KT BECOMING SOUTHWEST 45 KT WITH GUSTS TO 60 KT IN THE
AFTERNOON. COMBINED SEAS 16 TO 18 FT. LOCALLY HEAVY SHOWERS AND
ISOLATED THUNDERSTORMS.
.SUNDAY NIGHT...SOUTHWEST TROPICAL STORM FORCE WIND TO 35 KT.
GUSTS UP TO 45 KT IN THE EVENING. COMBINED SEAS 13 TO 15 FT.
LOCALLY HEAVY SHOWERS AND ISOLATED THUNDERSTORMS.
.MONDAY...SOUTHWEST WIND 15 TO 25 KT. WIND WAVES 3 TO 5 FT.
SOUTHWEST SWELL 10 TO 12 FT AND EAST 4 FT. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS.
.TUESDAY...SOUTHWEST WIND 10 TO 15 KT. WIND WAVES 3 FT. SOUTHWEST
SWELL 8 TO 10 FT AND EAST 4 FT. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
.WEDNESDAY...SOUTHWEST WIND 5 TO 15 KT. WIND WAVES 3 FT. WEST
SWELL 8 TO 10 FT AND EAST 4 FT. ISOLATED THUNDERSTORMS.

$$

PMZ152-032045-
ROTA COASTAL WATERS-
251 PM CHST FRI JUL 3 2015

...TYPHOON WATCH IN EFFECT...

.TONIGHT...NORTHEAST WIND 20 TO 25 KT. WIND WAVES 6 TO 7 FT.
NORTHEAST SWELL 9 TO 11 FT AND SOUTHWEST 4 FT. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS.
.SATURDAY...NORTHEAST WIND 25 TO 30 KT. WIND WAVES 8 TO 10 FT.
EAST SWELL 7 TO 9 FT AND EAST 4 FT. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
.SATURDAY NIGHT...NORTHEAST WIND 30 KT WITH GUSTS TO 40 KT RISING
TO TROPICAL STORM FORCE WIND TO 45 KT WITH GUSTS TO 65 KT AFTER
MIDNIGHT. COMBINED SEAS 18 TO 20 FT. LOCALLY HEAVY SHOWERS AND
ISOLATED THUNDERSTORMS.
.SUNDAY...SOUTHEAST TROPICAL STORM FORCE WIND TO 60 KT WITH GUSTS
TO 80 KT BECOMING SOUTH 50 KT WITH GUSTS TO 70 KT IN THE AFTERNOON.
COMBINED SEAS 17 TO 19 FT. LOCALLY HEAVY SHOWERS AND ISOLATED
THUNDERSTORMS.
.SUNDAY NIGHT...SOUTH TROPICAL STORM FORCE WIND TO 40 KT EASING
TO 30 KT AFTER MIDNIGHT. COMBINED SEAS 14 TO 16 FT. LOCALLY HEAVY
SHOWERS AND ISOLATED THUNDERSTORMS.
.MONDAY...SOUTH WIND 15 TO 25 KT. WIND WAVES 3 TO 5 FT. SOUTHWEST
SWELL 8 TO 10 FT AND EAST 4 FT. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
.TUESDAY...SOUTHWEST WIND 10 TO 15 KT. WIND WAVES 3 FT. SOUTHWEST
SWELL 8 TO 10 FT AND EAST 4 FT. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
.WEDNESDAY...SOUTHWEST WIND 5 TO 15 KT. WIND WAVES 2 FT OR LESS.
WEST SWELL 8 TO 10 FT AND EAST 4 FT. ISOLATED THUNDERSTORMS.

$$

PMZ153-154-032045-
TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS-
251 PM CHST FRI JUL 3 2015

...TYPHOON WATCH IN EFFECT...

.TONIGHT...NORTHEAST WIND 20 TO 25 KT. WIND WAVES 7 TO 9 FT.
NORTHEAST SWELL 9 TO 11 FT AND SOUTHWEST 4 FT. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS.
.SATURDAY...NORTHEAST WIND 25 TO 30 KT. WIND WAVES 7 TO 9 FT.
SOUTHEAST SWELL 7 TO 9 FT AND EAST 4 FT. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS.
.SATURDAY NIGHT...EAST TROPICAL STORM FORCE WIND TO 35 KT WITH
GUSTS TO 45 KT. COMBINED SEAS 15 TO 17 FT. LOCALLY HEAVY SHOWERS
AND ISOLATED THUNDERSTORMS.
.SUNDAY...SOUTHEAST TROPICAL STORM FORCE WIND TO 40 KT WITH GUSTS
TO 50 KT. COMBINED SEAS 15 TO 17 FT. LOCALLY HEAVY SHOWERS AND
ISOLATED THUNDERSTORMS.
.SUNDAY NIGHT...SOUTH TROPICAL STORM FORCE WIND TO 35 KT WITH
GUSTS TO 45 KT EASING TO 30 KT AFTER MIDNIGHT. COMBINED SEAS
14 TO 16 FT. LOCALLY HEAVY SHOWERS AND ISOLATED THUNDERSTORMS.
.MONDAY...SOUTH WIND 15 TO 25 KT. WIND WAVES 3 TO 5 FT. SOUTHWEST
SWELL 8 TO 10 FT AND EAST 4 FT. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
.TUESDAY...SOUTH WIND 5 TO 15 KT. WIND WAVES 3 FT. SOUTHWEST
SWELL 7 TO 9 FT AND EAST 4 FT. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
.WEDNESDAY...SOUTHWEST WIND 10 KT. WIND WAVES 2 FT OR LESS. WEST
SWELL 7 TO 9 FT AND EAST 4 FT. ISOLATED THUNDERSTORMS.

$$


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