High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 250938
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JUN 25.
24 HOUR FORECAST VALID 0600 UTC JUN 26.
48 HOUR FORECAST VALID 0600 UTC JUN 27.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH MEAN CENTER 54N180W 992 MB MOVING N 10 KT.
WITHIN 300 NM E OF A LINE FROM 54N171W TO 48N170W TO 43N171W
WINDS 25 TO 40 KT. SEAS 9 TO 18 FT. ELSEWHERE BETWEEN 180 NM AND
600 NM NE AND BETWEEN 180 NM 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 57N161W TO 50N160W TO 43N165W. OVER FORECAST WATERS
BETWEEN 240 NM AND 600 NM S AND SW QUADRANTS AND 240 NM NE AND E
OF FRONT WINDS 20 TO 30 KT. SEAS 8 TO 14 FT...EXCEPT OVER THE
BERING SEA TO 10 FT.
.48 HOUR FORECAST LOW 59N179E 990 MB. FRONT TO EXTEND FROM
55N152W TO 44N162W. FROM 48N TO 53N BETWEEN 165W AND 176W 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 40N154E 999 MB. WITHIN AN AREA
BOUNDED BY A LINE FROM 35N160E TO 38N177E TO 43N160E TO 35N160E
WINDS 25 TO 35 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 43N167E 1001 MB. FRONT TO EXTEND FROM LOW
TO 40N173W TO 43N162W. WITHIN 480 NM S AND SE QUADRANTS AND
ELSEWHERE WITHIN 240 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 55N141W 1012 MB MOVING SE 10 KT. WITHIN 300 NM SW OF A LINE
FROM 57N147W TO 50N139W WINDS TO 25 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 54N134W 1014 MB. WITHIN 300 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 34N133W 1011 MB MOVING NE 10 KT. WITHIN 360 NM W OF A LINE
FROM 46N124W TO 40N133W TO 32N139W AREA OF NE WINDS TO 25 KT.
SEAS TO 11 FT.
.24 HOUR FORECAST LOW 37N131W 1014 MB. WITHIN 480 NM NW
SEMICIRCLE AND FROM 44N TO 50N BETWEEN 125W AND 131W WINDS 20 TO
30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 46N TO 52N BETWEEN 125W
AND 131W WINDS 20 TO 30 KT. SEAS TO 10 FT.

.FROM 30N TO 34N E OF 121W WINDS TO 25 KT. SEAS LESS THAN 8 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
TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 39N TO 62N
BETWEEN 165W AND 180W...FROM 54N TO 58N BETWEEN 180W AND 170E
AND WITHIN 90 NM OF 36N168E.
.24 HOUR FORECAST DENSE FOG FROM 59N TO 65N W OF 169W...FROM 51N
TO 58N BETWEEN 179E AND 170E...FROM 34N TO 40N BETWEEN 160E AND
178E AND WITHIN 300 NM SE OF A LINE FROM 51N162W TO 47N166W TO
42N173W.
.48 HOUR FORECAST DENSE FOG FROM 50N TO 58N BETWEEN 180W AND
171E AND WITHIN AN AREA BOUNDED BY A LINE FROM 34N165E TO
39N155W TO 54N147W TO 56N153W TO 43N166W TO 43N165E TO 34N165E.

.HIGH 45N153W 1035 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH 45N148W 1032 MB.
.48 HOUR FORECAST HIGH 44N143W 1031 MB.

.HIGH 41N163E 1019 MB MOVING NE 25 KT.
.24 HOUR FORECAST HIGH 43N176E 1018 MB.
.48 HOUR FORECAST HIGH 44N175W 1012 MB.

.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 0600 UTC SUN JUN 25.
24 HOUR FORECAST VALID 0600 UTC MON JUN 26.
48 HOUR FORECAST VALID 0600 UTC TUE JUN 27.

.WARNINGS.

...HURRICANE WARNING...

.TROPICAL STORM DORA NEAR 14.7N 100.9W 1005 MB AT 0900 UTC JUN
25 MOVING WNW OR 300 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER
EXCEPT 40 NM NE QUADRANT.  SEAS 12 FT OR GREATER WITHIN 0 NM OF
CENTER EXCEPT 30 NM NE QUADRANT WITH SEAS TO 12 FT. ELSEWHERE
WITHIN 90 NM N AND 30 NM S SEMICIRCLES OF CENTER WINDS 20 TO 33
KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST TROPICAL STORM DORA NEAR 16.4N 104.3W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 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
75 NM N AND 30 NM S SEMICIRCLES WITH SEAS TO 21 FT. ELSEWHERE
WITHIN 120 NM NE AND 90 NM SW SEMICIRCLES OF CENTER WINDS 20 TO
33 KT. SEAS 8 TO 11 FT.
.36 HOUR FORECAST HURRICANE DORA NEAR 17.5N 106.1W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM NE QUADRANT...50 NM SE QUADRANT...40 NM SW
QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
90 NM N AND 60 NM S SEMICIRCLES WITH SEAS TO 25 FT. ELSEWHERE
WITHIN 150 NM NE AND 90 NM SW SEMICIRCLES OF CENTER WINDS 20 TO
33 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST TROPICAL STORM DORA NEAR 18.4N 107.9W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER WITH SEAS
TO 23 FT. ELSEWHERE WITHIN 120 NM NE AND 90 NM SW SEMICIRCLES OF
CENTER...WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.72 HOUR FORECAST TROPICAL STORM DORA NEAR 19.5N 111.2W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW DORA NEAR 20.3N
114.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW DORA NEAR 20.0N
117.5W. 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 130W AND FROM 20N TO 23N BETWEEN 123W AND
130W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N SWELL.
.24 HOUR FORECAST N OF 29N W OF 139W WINDS 20 KT OR LESS. SEAS 8
FT IN N SWELL.
.42 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 0900 UTC SUN JUN 25...

.TROPICAL STORM DORA...NUMEROUS MODERATE SCATTERED STRONG
WITHIN 60 NM NE AND 90 NM SW SEMICIRCLES.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N84W TO 12N96W. IT THEN RESUMES AT 10N102W
TO 09N132W. ITCZ FROM 09N132W TO BEYOND 08N140W. SCATTERED
MODERATE ISOLATED STRONG WITHIN 60 NM N OF THE MONSOON TROUGH
BETWEEN 87W AND 90W. SCATTERED MODERATE WITHIN 120 NM S OF THE
MONSOON TROUGH BETWEEN 108W AND 112W. SCATTERED MODERATE WITHIN
90 NM S OF THE MONSOON TROUGH BETWEEN 122W AND 126W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.



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