High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 252203
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

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

SYNOPSIS VALID 1800 UTC JUN 25.
24 HOUR FORECAST VALID 1800 UTC JUN 26.
48 HOUR FORECAST VALID 1800 UTC JUN 27.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH MAIN LOW 56N179W 993 MB DRIFTING N NEXT 24
HOURS THEN MOVING SE 10 KT. FRONT FROM LOW TO 53N164W TO 45N167W
TO 40N175W. WITHIN 240 NM E OF FRONT FROM 45N TO 53N WINDS 25 TO
35 KT. SEAS 8 TO 16 FT. ELSEWHERE WITHIN 600 NM NE AND 720 NM S
QUADRANTS E OF 175W...AND 360 NM E OF FRONT WINDS 20 TO 30 KT.
SEAS TO 13 FT.
.24 HOUR FORECAST LOW 58N180W 991 MB. FRONT TO EXTEND FROM
54N155W TO 47N160W TO 41N168W. BETWEEN 180 NM AND 480 NM S AND
SW QUADRANTS...AND 240 NM E OF FRONT WINDS 20 TO 30 KT. SEAS TO
10 FT.
.48 HOUR FORECAST LOW 55N175W 990 MB. WITHIN 480 NM E AND SE
QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.

...GALE WARNING...
.FROM 34N TO 42N W OF 165E AREA OF WINDS 20 TO 30 KT. SEAS TO 8
FT.
.24 HOUR FORECAST LOW 43N161E 999 MB. WITHIN 360 NM S AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN
420 NM S AND 480 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10
FT.
.48 HOUR FORECAST LOW 43N175E 1001 MB. FRONT TO EXTEND FROM LOW
TO 42N176W TO 42N165W. WITHIN 480 NM S AND SW QUADRANTS...AND
360 NM S OF FRONT WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.FROM 47N TO 50N BETWEEN 126W AND 129W AREA OF NW WINDS TO 25
KT. SEAS TO 8 FT.
.06 HOUR FORECAST FROM 48N TO 50N BETWEEN 126W AND 129W AREA OF
NW WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 48N TO 50N BETWEEN 126W AND 129W AREA OF
NW WINDS 25 TO 35 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 47N TO 50N BETWEEN 125W AND 130W AREA OF
NW WINDS 20 TO 30 KT. SEAS TO 9 FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 46N158W 1005 MB. FRONT FROM LOW TO
42N165W. WITHIN 360 NM S AND SE QUADRANTS WINDS 25 TO 35 KT.
SEAS 8 TO 12 FT. ELSEWHERE WITHIN 480 NM S AND SE
QUADRANTS...AND 300 NM S OF FRONT WINDS 20 TO 30 KT. SEAS TO 10
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 56N138W 1014 MB MOVING SE 10 KT. WITHIN 420 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW DISSIPATED WITH ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 34N133W 1012 MB DRIFTING NE. BETWEEN 180 NM AND 540 NM W
AND NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 37N TO 43N BETWEEN 131W
AND 136W AREA OF WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.FROM 31N TO 34N E OF 120W WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 31N TO 34N E OF 121W WINDS TO 25 KT. SEAS
LESS THAN 8 FT.
.48 HOUR FORECAST FROM 31N TO 34N E OF 121W WINDS TO 25 KT. SEAS
TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 39N TO 51N
BETWEEN 162W AND 177W...FROM 55N TO 63N BETWEEN 170W AND
177W...N OF 55N W OF 177E AND FROM 35N TO 38N W OF 170E.
.24 HOUR FORECAST DENSE FOG FROM 37N TO 51N BETWEEN 154W AND
179W...AND FROM 34N TO 43N W OF 177E...N OF 50N W OF 180W AND N
OF 61N W OF 167W.
.48 HOUR FORECAST DENSE FOG FROM 36N TO 56N BETWEEN 146W AND
170W...FROM 37N TO 42N BETWEEN 170W AND 165E...AND N OF 52N
BETWEEN 179E AND 173E...AND N OF 46N W OF 163E.

.HIGH 44N150W 1033 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH 42N146W 1031 MB.
.48 HOUR FORECAST HIGH 43N140W 1029 MB.

.HIGH 41N170E 1019 MB MOVING E 20 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.FORECASTER ROWLAND. 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 1800 UTC SUN JUN 25.
24 HOUR FORECAST VALID 1800 UTC MON JUN 26.
48 HOUR FORECAST VALID 1800 UTC TUE JUN 27.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM DORA NEAR 15.7N 103.0W 1001 MB AT 2100 UTC JUN
25 MOVING WNW OR 300 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM OF CENTER
EXCEPT 0 NM SW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 75 NM N
SEMICIRCLE...60 NM SE QUADRANT AND 30 NM SW QUADRANT WITH SEAS
TO 16 FT. ELSEWHERE WITHIN 90 NM OF CENTER...EXCEPT 120 NM NE
QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST HURRICANE DORA NEAR 17.6N 106.7W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM NE QUADRANT...40 NM SE QUADRANT...30 NM SW
QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
60 NM OF CENTER WITH SEAS TO 28 FT. ELSEWHERE WITHIN 120 NM OF
CENTER...EXCEPT 150 NM NE QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO
11 FT.
.48 HOUR FORECAST TROPICAL STORM DORA NEAR 19.0N 110.4W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 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 OF CENTER WITH SEAS
TO 22 FT. ELSEWHERE WITHIN 90 NM OF CENTER...EXCEPT 120 NM NE
QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.72 HOUR FORECAST TROPICAL STORM DORA NEAR 19.8N 114.0W. 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 DORA NEAR 20.0N
117.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW DORA NEAR 19.5N
120.0W. 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 24N W OF 135W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N
SWELL. FROM 23N TO 28N BETWEEN 125W AND 130W WINDS 20 KR OR
LESS. SEAS 8 TO 9 FT IN N SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 07N TO 11N W OF 125W WINDS 20 KT OR LESS. SEAS 8 FT IN
MIXED NE AND SW SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.42 HOUR FORECAST S OF 02S E OF 105W WINDS 20 KT OR LESS. SEAS 8
FT IN SW SWELL.
.48 HOUR FORECAST S OF 00N E OF 105W AND S OF 02S BETWEEN 105W
AND 120W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SW SWELL.

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

CONVECTION VALID AT 2100 UTC SUN JUN 25...

.TROPICAL STORM DORA...NUMEROUS MODERATE AND SCATTERED STRONG
WITHIN 90 NM SE AND 60 NM NW SEMICIRCLES OF DORA. SCATTERED
MODERATE ISOLATED STRONG ELSEWHERE FROM 11N TO 17N BETWEEN 99W
AND 105W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS ACROSS PANAMA TO 11N92W, THEN RESUMES
WEST OF DORA AT 12N105W TO A 1012 MB LOW PRESSURE NEAR 08N124W
TO 09N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS
NOTED FROM 03N TO 07N BETWEEN 78W AND 86W, FROM 08N TO 11N
BETWEEN 100W AND 110W, AND FROM 07N TO 10N BETWEEN 126W AND 135W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.



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