High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 250333
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SUN JUN 25 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY
BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

SECURITE

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT
TO 50N 160E

SYNOPSIS VALID 0000 UTC JUN 25.
24 HOUR FORECAST VALID 0000 UTC JUN 26.
48 HOUR FORECAST VALID 0000 UTC JUN 27.

.WARNINGS.

...GALE WARNING...
.LOW 54N177E 992 MB MOVING NE 10 KT. WITHIN 300 NM E OF A LINE
FROM 52N172W TO 43N174W WINDS 25 TO 40 KT. SEAS 9 TO 17 FT.
ELSEWHERE WITHIN 600 NM NE AND 900 NM SE QUADRANTS WINDS 20 TO
30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 58N179W 991 MB. FRONT TO EXTEND FROM
60N177W TO 55N162W TO 49N162W TO 43N167W. OVER FORECAST WATERS
WITHIN 420 NM SE AND 540 NM SW QUADRANTS AND 300 NM NE AND E OF
FRONT WINDS 20 TO 30 KT. SEAS 8 TO 14 FT...EXCEPT OVER THE
BERING SEA TO 11 FT.
.48 HOUR FORECAST LOW 57N179W 991 MB. FRONT TO EXTEND FROM
55N153W TO 45N159W. FROM 48N TO 54N BETWEEN 167W AND 178E AND
WITHIN 300 NM E OF FRONT WINDS 20 TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW W OF AREA 39N153E 1000 MB. FROM 34N TO 41N
BETWEEN 160E AND 168E WINDS 25 TO 35 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 41N165E 1005 MB. FRONT TO EXTEND FROM LOW
TO NEW LOW 41N180W 1007 MB TO 43N163W. WITHIN 420 NM S AND SE
QUADRANTS FIRST LOW AND ELSEWHERE WITHIN 300 NM S OF FRONT WINDS
25 TO 35 KT. SEAS 8 TO 14 FT.

.SYNOPSIS AND FORECAST.

.BOGOSLOF VOLCANO AT 53.92N 168.03W IS IN A STATE OF UNREST.
MARINERS TRAVELING IN THE VICINITY OF BOGOSLOF VOLCANO ARE URGED
TO EXERCISE CAUTION. IF MARINERS ENCOUNTER ANY VOLCANIC
ASH...REPORT THE OBSERVATION TO THE OCEAN PREDICTION CENTER BY
CALLING 301-683-1520.

.LOW 55N142W 1010 MB MOVING E 10 KT. WITHIN 420 NM S AND SW
QUADRANTS AND 240 NM N AND NE SEMICIRCLES WINDS 20 TO 30 KT.
SEAS TO 11 FT.
.24 HOUR FORECAST LOW 55N136W 1013 MB. WITHIN 420 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 34N133W 1010 MB MOVING NE 10 KT. WITHIN 360 NM W OF A LINE
FROM 42N126W TO 39N134W TO 32N138W AREA OF NE WINDS TO 25 KT.
SEAS TO 12 FT.
.24 HOUR FORECAST LOW 37N132W 1014 MB. WITHIN 540 NM NW
SEMICIRCLE AND FROM 45N TO 50N BETWEEN 124W AND 132W WINDS 20 TO
 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 46N TO 50N BETWEEN 125W
AND 130W WINDS 20 TO 30 KT. SEAS TO 9 FT.

.24 HOUR FORECAST FROM 30N TO 34N E OF 121W WINDS TO 25 KT. SEAS
LESS THAN 8 FT.
.48 HOUR FORECAST FROM 30N TO 35N E OF 122W WINDS TO 25 KT. SEAS
LESS THAN 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 37N TO 61N
BETWEEN 167W AND 177E AND WITHIN 120 NM OF 35N167E.
.24 HOUR FORECAST DENSE FOG FROM 56N TO 62N BETWEEN 169W AND
180W...N OF 54N BETWEEN 177E AND 170E...FROM 34N TO 40N BETWEEN
160E AND 178E AND FROM 40N TO 51N BETWEEN 159W AND 173W.
.48 HOUR FORECAST DENSE FOG WITHIN 360 NM E OF A LINE FROM
55N156W TO 43N165W AND WITHIN 240 NM W OF A LINE FROM 44N165W TO
41N179E TO 39N163E AND FROM 51N TO 55N BETWEEN 175E AND 170E.

.HIGH 44N155W 1035 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH 44N149W 1032 MB.
.48 HOUR FORECAST HIGH 43N146W 1032 MB.

.HIGH 41N10E 1018 MB MOVING NE 25 KT.
.24 HOUR FORECAST HIGH 42N173E 1019 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.FORECASTER KOSIER. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0000 UTC SUN JUN 25.
24 HOUR FORECAST VALID 0000 UTC MON JUN 26.
48 HOUR FORECAST VALID 0000 UTC TUE JUN 27.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION FOUR-E NEAR 14.3N 100.0W 1006 MB AT 0300
UTC JUN 25 MOVING WNW OR 300 DEG AT 9 KT. MAXIMUM SUSTAINED
WINDS 25 KT GUSTS 35 KT. SEAS 8 TO 10 FT.
.12 HOUR FORECAST TROPICAL STORM FOUR-E NEAR 15.1N 101.6W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. SEAS TO 14 FT WITHIN
45 NM N QUADRANT. ELSEWHERE WITHIN 90 NM OF CENTER...EXCEPT 30
NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM FOUR-E NEAR 15.9N 103.4W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM N SEMICIRCLE...40 NM SE QUADRANT AND 30 NM SW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM N SEMIRCIRCLE WITH
SEAS TO 16 FT. ELSEWHERE WITHIN 120 NM N SEMICIRCLE AND 90 NM S
SEMICIRCLE OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM FOUR-E NEAR 17.9N 106.9W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM NW AND SE QUADRANTS...70 NM NE QUADRANT AND
50 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 75 NM OF CENTER
WITH SEAS TO 22 FT. ELSEWHERE WITHIN 120 NM OF CENTER...EXCEPT
90 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST TROPICAL STORM FOUR-E NEAR 19.5N 110.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW FOUR-E NEAR 20.5N
113.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW FOUR-E NEAR 21.0N
116.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.N OF 20N W OF 120W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N
SWELL.
.24 HOUR FORECAST N OF 28N W OF 138W WINDS 20 KT OR LESS. SEAS 8
TO 9 FT IN N SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 0215 UTC SUN JUN 25...

.TROPICAL DEPRESSION FOUR-E...NUMEROUS MODERATE AND ISOLATED
STRONG CONVECTION FROM 11N TO 16N BETWEEN 95W AND 102W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N84W TO 14N97W...THEN RESUMES
W OF TROPICAL DEPRESSION FOUR-E AT 11N102W TO 09N110W TO
09N126W. THE ITCZ AXIS CONTINUES FROM 09N126W TO BEYOND 08N140W.
SCATTERED MODERATE IS FROM 07N TO 11N BETWEEN 96W AND 102W.
SCATTERED MODERATE ISOLATED STRONG CAN BE FOUND FROM 07N TO 09N
BETWEEN 107W AND 112W...FROM 07N TO 10N BETWEEN 117W AND 125W...
AND FROM 07N TO 09N W OF 135W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.


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