High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 220338
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE AUG 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 22.
24 HOUR FORECAST VALID 0000 UTC AUG 23.
48 HOUR FORECAST VALID 0000 UTC AUG 24.

.WARNINGS.

...GALE WARNING...
.LOW 56N149W 997 MB MOVING SE 15 KT. OVER FORECAST WATERS WITHIN
420 NM W AND 480 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 17
FT. ELSEWHERE WITHIN 300 NM NE AND 780 NM SE QUADRANTS WINDS TO
25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 54N140W 1000 MB. WITHIN 420 NM SW AND 240
NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW 54N135W 1007 MB. WITHIN 120 NM E
SEMICIRCLE AND 420 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS TO 11
FT.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 48N166E 1001 MB MOVING NE 20 KT.
WITHIN 420 NM S...180 NM W...AND 660 NM NE QUADRANTS...ALSO
WITHIN 300 NM E OF A FRONT FROM 46N173E TO 39N171E TO 33N165E
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 55N175E 992 MB. FROM 55N TO 58N W OF 172W
WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 43N TO 59N
BETWEEN 165E AND 168W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW ABSORBED BY NEW LOW 57N167W 996 MB. WITHIN
720 NM S SEMICIRCLE AND 420 NM NW QUADRANT WINDS 20 TO 30 KT.
SEAS TO 12 FT...HIGHEST S SEMICIRCLE.

.SYNOPSIS AND FORECAST.

.BOGOSLOF VOLCANO AT 53.92N 168.03W IS CURRENTLY IN A HEIGHTENED
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 32N125W 1014 MB DRIFTING SW. WITHIN 480 NM NW QUADRANT
WINDS TO 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.48 HOUR FORECAST LOW E OF AREA 46N158E 1002 MB. OVER FORECAST
WATERS WITHIN 420 NM SE AND 180 NM NE QUADRANTS WINDS 20 TO 30
KT. SEAS TO 11 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 60N
BETWEEN 168E AND 173W...AND WITHIN 120 NM OF 52N135W.
.24 HOUR FORECAST DENSE FOG WITHIN THE REGION BOUNDED BY A LINE
FROM 54N170E TO 54N170W TO 47N163W TO 41N179W TO 54N170E.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM SE OF A LINE FROM
52N153W TO 48N160W...AND FROM 41N TO 45N BETWEEN 160E AND 162E.

.HIGH 36N139W 1026 MB MOVING SW 10 KT.
.24 HOUR FORECAST HIGH 35N144W 1026 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 42N167W 1030 MB MOVING SW 05 KT.
.24 HOUR FORECAST HIGH 41N168W 1029 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH W OF AREA 38N154E 1020 MB MOVING NE 35 KT.
.24 HOUR FORECAST HIGH 40N172E 1022 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST NEW HIGH 42N160W 1030 MB.
.48 HOUR FORECAST HIGH 41N161W 1030 MB.

.FORECASTER REINHART. 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 MON AUG 22.
24 HOUR FORECAST VALID 0000 UTC TUE AUG 23.
48 HOUR FORECAST VALID 0000 UTC WED AUG 24.

.WARNINGS.

...HURRICANE WARNING...

.HURRICANE KENNETH NEAR 19.2N 132.1W 966 MB AT 0300 UTC AUG 22
MOVING NW OR 315 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 95 KT
GUSTS 115 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NW AND SE
QUADRANTS...100 NM NE QUADRANT AND 60 NM SW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 150 NM NE AND SW QUADRANTS...180 NM NW
QUADRANT AND 120 NM SE QUADRANT WITH SEAS TO 35 FT. ELSEWHERE
WITHIN 400 NM NW QUADRANT...110 NM SE QUADRANT...290 NM NE
QUADRANT AND 150 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12
FT. REMAINDER OF AREA FROM 13N TO 25N BETWEEN 128W AND 139W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM KENNETH NEAR 22.2N 134.0W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 90 NM NE QUADRANT...70 NM SE QUADRANT...50 NM SW
QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITH
SEAS TO 30 FT. ELSEWHERE WITHIN 320 NM NW QUADRANT...150 NM SE
QUADRANT...210 NM NE QUADRANT AND 110 NM SW QUADRANT WINDS 20 TO
33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA N OF 16N W OF 129W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM KENNETH NEAR 25.6N 135.8W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM NE QUADRANT...50 NM SE QUADRANT...30 NM SW
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITH
SEAS TO 22 FT. ELSEWHERE WITHIN 270 NM NW QUADRANT...120 NM SE
QUADRANT...210 NM NE QUADRANT AND 110 NM SW QUADRANT WINDS 20 TO
33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA N OF 18N W OF 131W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST POST-TROPICAL KENNETH NEAR 28.5N 136.4W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW KENNETH NEAR 30.5N
137.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW KENNETH NEAR 31.5N
137.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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 29N BETWEEN 127W AND 134W WINDS 20 KT OR LESS. SEAS 8 TO 9
FT IN N SWELL.
.06 HOUR FORECAST CONDITIONS MERGED WITH HURRICANE KENNETH.

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

CONVECTION VALID AT 0245 UTC TUE AUG 22...

.HURRICANE KENNETH...NUMEROUS STRONG FROM 18N TO 20N BETWEEN
130W AND 132W. SCATTERED MODERATE ELSEWHERE FROM 17N TO 22N
BETWEEN 130W AND 133W.

.TROPICAL WAVE ALONG 98W S OF 18N...
NO SIGNIFICANT CONVECTION ASSOCIATED WITH IT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO LOW PRES NEAR 10N89W 1010 MB TO
10N105W TO 10N115W TO 07N125W...RESUMING NEAR 14N133W BEYOND
12N140W. SCATTERED MODERATE WITHIN 210 NM S OF AXIS BETWEEN 102W
AND 120W AND WITHIN 120 NM W OF 130W.

$$
.FORECASTER NR. NATIONAL HURRICANE CENTER.



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