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National Weather Service Marine Forecast FZPN01 KWBC

FZPN01 KWBC 231602
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC WED AUG 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 23.
24 HOUR FORECAST VALID 1200 UTC AUG 24.
48 HOUR FORECAST VALID 1200 UTC AUG 25.

.WARNINGS.

GALE WARNING

..LOW 55N139W 1000 MB MOVING SE 10 KT. WITHIN 240 NM E AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN
300 NM OF LOW EXCEPT 420 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS
TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

GALE WARNING

.LOW 56N179E 996 MB MOVING NE 30 KT. OVER FORECAST WATERS WITHIN
300 NM N AND 720 NM S SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 12
FT.
.24 HOUR FORECAST LOW 58N160W 993 MB. WITHIN 600 NM E AND
SE...660 NM S...AND 420 NM W AND NW QUADRANTS WINDS 20 TO 30 KT.
SEAS TO 12 FT.
.36 HOUR FORECAST LOW 59N159W 992 MB. BETWEEN THE ALASKA COAST
AND A FRONT FROM 60N149W TO 57N142W SE WINDS 25 TO 35 KT. SEAS
TO 12 FT.
.48 HOUR FORECAST LOW 58N158W 990 MB. WITHIN 540 NM SW
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. ELSEWHERE WITHIN
840 NM E QUADRANT WINDS TO 25 KT. SEAS TO 10 FT.

.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.

.FROM 40N TO 45N BETWEEN 162E AND 160E WINDS 20 TO 30 KT. SEAS
TO 10 FT.
.24 HOUR FORECAST LOW 48N163E 1004 MB. WITHIN 480 NM SE
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 50N166E 1003 MB. WITHIN 540 NM NE QUADRANT
WINDS TO 25 KT. SEAS TO 9 FT.

.24 HOUR FORECAST FROM 34N TO 43N BETWEEN 122W AND 127W N TO NW
WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 31N TO 44N BETWEEN 1320W AND 129W N TO NW
WINDS 20 TO 30 KT. SEAS TO 12 FT.

.48 HOUR FORECAST FROM 38N TO 46N BETWEEN 171E AND 160E WINDS 20
TO 30 KT. SEAS TO 9 FT.

.48 HOUR FORECAST FROM 43N TO 48N BETWEEN 148W AND 167W WINDS 20
TO 30 KT. SEAS TO 9 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM OF
43N127W AND WITHIN 300 NM OF 48N162W.
.24 HOUR FORECAST DENSE FOG WITHIN 240 NM OF 46N166E AND
46N151W...AND FROM 43N TO 47N BETWEEN 161W AND 179W.
.48 HOUR FORECAST DENSE FOG W OF A LINE FROM 40N167E TO 47N178W
TO 52N176E.

.HIGH 34N148W 1026 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 41N163W 1030 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH 40N157W 1029 MB.
.48 HOUR FORECAST HIGH 39N154W 1026 MB.

.HIGH 37N165E 1019 MB MOVING NE 10 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST NEW HIGH 45N175E 1019 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.48 HOUR FORECAST HIGH 55N178W 1019 MB.

.FORECASTER COLLINS. 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 1200 UTC WED AUG 23.
24 HOUR FORECAST VALID 1200 UTC THU AUG 24.
48 HOUR FORECAST VALID 1200 UTC FRI AUG 25.

.WARNINGS.

TROPICAL STORM WARNING

.TROPICAL STORM KENNETH NEAR 24.6N 135.1W 1006 MB AT 1500 UTC
AUG 23 MOVING NNW OR 330 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS
35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N
SEMICIRCLE AND 50 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN
60 NM OF CENTER EXCEPT 90 NM NW QUADRANT WITH SEAS TO 16 FT.
ELSEWHERE WITHIN 180 NM N AND 90 NM S SEMICIRCLE WINDS 20 TO 33
KT. SEAS 8 TO 12 FT. REMAINDER OF AREA N OF 17N W OF 131W WINDS
20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST POST-TROPICAL KENNETH NEAR 27.1N 136.4W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. SEAS 12 FT OR GREATER
WITHIN 60 NM NW SEMICIRCLE WITH SEAS TO 14 FT. ELSEWHERE N OF
26N BETWEEN 133W AND 140W WINDS 20 TO 25 KT. SEAS 8 TO 12 FT.
REMAINDER OF AREA N OF 23N W OF 134W WINDS 20 KT OR LESS. SEAS 8
TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW KENNETH NEAR 28.6N
136.8W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. N OF 28N
BETWEEN 134W AND 139W WINDS 20 TO 25 KT. SEAS TO 10 FT.
ELSEWHERE W OF LINE FROM 28N135W TO 24N140W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW KENNETH NEAR 29.7N
137.7W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW KENNETH NEAR 30.7N
139.2W. 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.

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

CONVECTION VALID AT 1430 UTC WED AUG 23...

TROPICAL STORM KENNETH
SCATTERED MODERATE WITHIN 120 NM N OF
CENTER.

.TROPICAL WAVE ALONG 95W FROM 03N TO 15N. SCATTERED MODERATE
ISOLATED STRONG FROM 06N TO 13N BETWEEN 94W AND 100W.

INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH

MONSOON TROUGH FROM 09N75W TO 12N100W TO 11N120W TO 08N130W.
ITCZ FROM 08N130W TO 07N140W. SCATTERED MODERATE ISOLATED STRONG
FROM 04N TO 08N E OF 90W...AND WITHIN 150 NM EITHER SIDE OF
MONSOON TROUGH AND ITCZ AXIS W OF 113W.


.FORECASTER LATTO. NATIONAL HURRICANE CENTER.