High Seas Forecast
Issued by NWS

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080
FZPN01 KWBC 270333
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE JUN 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JUN 27.
24 HOUR FORECAST VALID 0000 UTC JUN 28.
48 HOUR FORECAST VALID 0000 UTC JUN 29.

.WARNINGS.

...GALE WARNING...
.LOW 43N163E 1001 MB MOVING E 25 KT. OVER FORECAST WATERS WITHIN
360 NM S QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE
WITHIN 540 NM S QUADRANT...AND WITHIN 300 NM S OF FRONT FROM
39N177W TO 42N170E WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 44N177E 1001 MB. FROM 38N TO 43N BETWEEN
177W AND 169E AND WITHIN 240 NM S OF FRONT FROM 39N166W TO
38N177E TO 36N162E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LOW 46N174W 999 MB. WITHIN 780 NM S QUADRANT
WINDS 20 TO 30 KT. SEAS TO 10 FT.

...GALE WARNING...
.FROM 48N TO 50N BETWEEN 126W AND 129W AREA OF NW WINDS 25 TO 35
KT. SEAS TO 9 FT.
.24 HOUR FORECAST FROM 46N TO 50N BETWEEN 126W AND 129W AREA OF
NW WINDS 25 TO 35 KT. SEAS TO 11 FT.
.48 HOUR FORECAST FROM 47N TO 50N BETWEEN 125W AND 129W AREA OF
NW WINDS 20 TO 30 KT. SEAS TO 10 FT.

...GALE WARNING...
.LOW 41N170W 1008 MB MOVING NE 30 KT. WITHIN 360 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN
300 NM E OF A LINE FROM 56N152W TO 44N161W WINDS 20 TO 30 KT.
SEAS TO 11 FT.
.24 HOUR FORECAST LOW 48N156W 1004 MB. FRONT TO EXTEND FROM LOW
NE TO 57N150W AND FROM LOW SW TO 39N163W. WITHIN 300 NM E OF
FRONT S OF 48N WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE
WITHIN 360 NM E AND SE OF FRONT WINDS 20 TO 30 KT. SEAS TO 11
FT. .48 HOUR FORECAST LOW 53N150W 1000 MB. FRONT TO EXTEND FROM
58N152W TO 48N146W TO 39N152W. WITHIN 300 NM E AND SE OF FRONT
WINDS 25 TO 35 KT. SEAS 8 TO 16 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.

.FROM 31N TO 36N E OF 121W WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 31N TO 36N E OF 123W AREA OF NW WINDS TO
25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 33N TO 43N E OF 128W AREA OF N TO NW
WINDS 20 TO 30 KT. SEAS TO 11 FT.

.COMPLEX LOW WITH MAIN CENTER 54N174W 992 MB MOVING NE 10 KT.
WITHIN 360 NM S AND SW SEMICIRCLES WINDS TO 25 KT. SEAS TO 10
FT. .24 HOUR FORECAST LOW 57N172W 991 MB. WITHIN 240 NM NE AND
360 NM S AND SE QUADRANTS WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 59N177W 993 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.

.48 HOUR FORECAST FROM 39N TO 46N BETWEEN 174E AND 160E AREA OF
W WINDS TO 25 KT. SEAS LESS THAN 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 33N TO 43N
BETWEEN 160E AND 180W...FROM 40N TO 52N BETWEEN 152W AND
170W...N OF 50N BETWEEN 179E AND 171E AND N OF 62N BETWEEN 167W
AND 175W.
.24 HOUR FORECAST DENSE FOG FROM 37N TO 53N BETWEEN 148W AND
160W...N OF 61N BETWEEN 166W AND 174W...FROM 54N TO 57N W OF
178E...FROM 46N TO 50N BETWEEN 160E AND 163E AND WITHIN 240 NM S
OF A LINE FROM 42N173E TO 40N176E TO 37N166E.
.48 HOUR FORECAST DENSE FOG FROM 36N TO 54N BETWEEN 144W AND
154W...FROM 38N TO 51N BETWEEN 162W AND 177W...FROM 54N TO 57N W
OF 175E AND NW OF A LINE FROM 60N173W TO 65N167W.

.HIGH 44N144W 1033 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH 44N139W 1029 MB.
.48 HOUR FORECAST HIGH 44N134W 1025 MB.

.HIGH 44N179W 1012 MB MOVING E 20 KT.
.24 HOUR FORECAST HIGH 43N168W 1012 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 TUE JUN 27.
24 HOUR FORECAST VALID 0000 UTC WED JUN 28.
48 HOUR FORECAST VALID 0000 UTC THU JUN 29.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE DORA NEAR 18.4N 108.3W 981 MB AT 0300 UTC JUN 27
MOVING WNW OR 300 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 80 KT
GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE
QUADRANT...60 NM SE QUADRANT...40 NM SW QUADRANT...AND 50 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM N SEMICIRCLE AND
90 NM S SEMICIRCLE WITH SEAS TO 28 FT. ELSEWHERE WITHIN 150 NM
OF CENTER NE QUADRANT AND 120 NM OF CENTER S SEMICIRCLE AND NW
QUADRANT WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF AREA
FROM 15N TO 21N BETWEEN 104W AND 111W WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN BROAD MIX OF SWELL.
.24 HOUR FORECAST TROPICAL STORM DORA NEAR 19.4N 111.5W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM E SEMICIRCLE...40 NM SW QUADRANT AND 50 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM OF CENTER N
SEMICIRCLE AND WITHIN 75 NM OF CENTER S SEMICIRCLE WITH SEAS TO
20 FT. ELSEWHERE WITHIN 120 NM OF CENTER N SEMICIRCLE AND WITHIN
90 NM OF CENTER S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 9 TO 12 FT.
REMAINDER OF AREA FROM 17N TO 23N BETWEEN 109W AND 115W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN BROAD MIX OF SWELL.
.48 HOUR FORECAST TROPICAL STORM DORA NEAR 20.2N 114.7W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM NE QUADRANT...50 NM SE QUADRANT...30 NM SW
QUADRANT...AND 40 NM NW QUADRANT. SEAS 12 FT WITHIN 30 NM OF
CENTER. ELSEWHERE WITHIN 75 NM OF CENTER WINDS 20 TO 33 KT. SEAS
9 TO 12 FT. REMAINDER OF AREA FROM 18N TO 22N BETWEEN 113W AND
116W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN BROAD MIX OF SWELL.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW DORA NEAR 20.7N
117.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW DORA NEAR 20.5N
120.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST...DISSIPATED.

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.

.S OF A LINE FROM 03.4S107W TO 07N116W TO 00N127W WINDS 20 KT OR
LESS. SEAS TO 9 FT IN SW SWELL.
.24 HOUR FORECAST S OF A LINE FROM 00N81W TO 02N85W TO 01S113W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO SW SWELL.
.48 HOUR FORECAST S OF 07N BETWEEN 82W AND 90W...S OF 01S
BETWEEN 90W AND 92W...AND S OF A LINE FROM 07N92W TO 07N105W TO
01S120W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO SW
SWELL.

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

CONVECTION VALID AT 0130 UTC TUE JUN 27...

.HURRICANE DORA...SCATTERED TO NUMEROUS MODERATE FROM 16N TO 20N
BETWEEN 106W AND 109W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 07N93W TO 08N98W THEN FROM 13N108W
TO 10N117W TO 08N128W. ITCZ FROM 08N128W TO 05N140W. SCATTERED
MODERATE FROM 05N TO 10N BETWEEN 81W AND 100W...AND FROM 07N TO
12N BETWEEN 108W AND 117W.

$$
.FORECASTER HUFFMAN. NATIONAL HURRICANE CENTER.



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