High Seas Forecast
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000
FZPN02 KWBC 260525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC TUE SEP 26 2017

CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SEP 26.
24 HOUR FORECAST VALID 0000 UTC SEP 27.
48 HOUR FORECAST VALID 0000 UTC SEP 28.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 48N156W 996 MB MOVING NE 10 KT.
AND SECOND CENTER 52N150W 996 MB MOVING N 10 KT. WITHIN 240 NM W
SEMICIRCLE OF FIRST CENTER WINDS 25 TO 35 KT. SEAS TO 12 FT.
ELSEWHERE WITHIN 420 NM S QUADRANT OF FIRST CENTER...180 NM NW
SEMICIRCLE OF SECOND CENTER...AND 240 NM E OF A FRONT FROM
48N150W TO 42N152W TO 37N154W WINDS 20 TO 30 KT. SEAS 8 TO 13
FT. .24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 49N150W 991
MB AND SECOND CENTER 54N152W 992 MB. WITHIN 300 NM SW SEMICIRCLE
OF FIRST CENTER WINDS 25 TO 40 KT. SEAS 8 TO 14 FT. ELSEWHERE
WITHIN 240 NM NW SEMICIRCLE OF SECOND CENTER AND 240 NM E OF A
FRONT FROM 55N141W TO 45N143W TO 37N149W WINDS 20 TO 30 KT. SEAS
8 TO 14 FT.
.48 HOUR FORECAST LOW 55N151W 988 MB. WITHIN 360 NM S AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. ELSEWHERE WITHIN
840 NM SW AND 660 NM W QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10
FT.

...GALE WARNING...
.LOW 35N167E 1004 MB MOVING NE 10 KT. FROM 35N TO 40N BETWEEN
179W AND 162E WINDS 25 TO 35 KT. SEAS 9 TO 16 FT. ELSEWHERE
WITHIN 180 NM S QUADRANT WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 36N170E 1005 MB. FROM 37N TO 42N BETWEEN
170W AND 164E WINDS 25 TO 40 KT. SEAS 10 TO 17 FT. ELSEWHERE
WITHIN 360 NM S AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12
FT.
.48 HOUR FORECAST LOW 37N175E 999 MB. WITHIN 420 NM N AND W
SEMICIRCLES WINDS 25 TO 40 KT. SEAS 12 TO 20 FT. ELSEWHERE
WITHIN 360 NM SE QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW 32N163E 1003 MB. N OF 30N AND WITHIN 300
NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE
WITHIN 300 NM W AND NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10
FT.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 37N175E.

...GALE WARNING...
.36 HOUR FORECAST NEW LOW 56N140W 1000 MB. WITHIN 240 NM E AND
SE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW MOVED INLAND. WITHIN 180 NM E OF A FRONT
FROM 57N138W TO 48N135W TO 41N137W TO 35N142W WINDS 20 TO 30 KT.
SEAS 8 TO 14 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 34N TO 42W BETWEEN 123W AND 127W N TO NW WINDS 20 TO 30
KT. SEAS TO 10 FT.
.24 HOUR FORECAST FROM 37N TO 43N BETWEEN 124W AND 129W N WINDS
20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 56N162W 1004 MB MOVING S 10 KT. WITHIN 180 NM N QUADRANT
AND 180 NM W OF A LINE FROM 55N167W TO 67N163W WINDS TO 25 KT.
SEAS TO 8 FT.
.24 HOUR FORECAST LOW 51N161W 1003 MB. WITHIN 480 NM SW
SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 55N151W.

.48 HOUR FORECAST NEW LOW 36N165W 1010 MB. WITHIN 180 NM N AND
240 NM S SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 9 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 54N
BETWEEN 135W AND 155W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 57N BETWEEN 134W AND
147W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 39N135W 1024 MB NEARLY STATIONARY NEXT 24 HOURS THEN WILL
MOVE SW.
.24 HOUR FORECAST HIGH 39N135W 1021 MB.
.48 HOUR FORECAST HIGH 33N137W 1018 MB.

.HIGH 48N169E 1028 MB DRIFTING E.
.24 HOUR FORECAST HIGH 50N170E 1028 MB.
.48 HOUR FORECAST HIGH 50N174E 1028 MB.

.24 HOUR FORECAST NEW HIGH 50N128W 1022 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST NEW HIGH 36N165W 1019 MB.
.48 HOUR FORECAST HIGH 35N155W 1019 MB.

.FORECASTER ACHORN. 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 SEP 26.
24 HOUR FORECAST VALID 0000 UTC WED SEP 27.
48 HOUR FORECAST VALID 0000 UTC THU SEP 28.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.REMNANTS OF PILAR DISSIPATED NEAR 23.9N106.9W. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT.

.LOW PRES NEAR 13N124.5W 1008 MB. WITHIN 150 NM NW AND 240 NM SE
SEMICIRCLES WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE FROM
10N TO 16N BETWEEN 115W AND 129W WINDS 20 KT OR LESS. SEAS TO 9
FT IN MIXED SWELL.
.24 HOUR FORECAST LOW PRES TO BECOME ILL DEFINED. FROM 10N TO
14N BETWEEN 117W AND 125W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
ELSEWHERE FROM 10N TO 15N BETWEEN 115W AND 130W WINDS 20 KT OR
LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST FROM 10N TO 13N BETWEEN 116W AND 130W WINDS 20
TO 25 KT. SEAS 8 TO 10 FT IN MIXED SW AND NW SWELL. ELSEWHERE
FROM 10N TO 15N BETWEEN 112W AND 132W WINDS 20 KT OR LESS. SEAS
TO 8 FT IN MIXED SWELL.

.FROM 09N TO 13N BETWEEN 98W AND 107W WINDS 20 KT OR LESS. SEAS
8 TO 9 FT IN S TO SW SWELL.
.24 HOUR FORECAST FROM 09.5N TO 13N BETWEEN 94W AND 102W WINDS
20 KT OR LESS. SEAS TO 9 FT IN S TO SW SWELL.
.48 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 0130 UTC MON SEP 25...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 09N72W TO 15N96W TO 13N105W TO LOW
PRES NEAR 13N124.5W 1008 MB TO BEYOND 11N140W. SCATTERED
MODERATE TO STRONG CONVECTION FROM 04N TO 14.5N E OF 95W...FROM
10N TO 14N BETWEEN 95W AND 106W...AND FROM 90 NM N TO 150 NM S
OF TROUGH BETWEEN 123W AND 140W.

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0000 UTC SEP 26 2017.
24 HOUR FORECAST VALID 0000 UTC SEP 27 2017.
48 HOUR FORECAST VALID 0000 UTC SEP 28 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 12N145W 1010 MB NEARLY STATIONARY. ISOLATED MODERATE TSTMS
WITHIN 240 NM NW QUADRANT.
.24 HOUR FORECAST LOW LITTLE CHANGE.
.48 HOUR FORECAST LOW DISSIPATED.

.FRONT FROM 30N164W TO 28N169W MOVING SE 15 KT.
.24 HOUR FORECAST FRONT FROM 30N158W TO 27N167W.
.48 HOUR FORECAST FRONT FROM 30N155W TO 27N164W.

.24 HOUR FORECAST FRONT 30N161E TO 29N160E. WINDS SW 20 TO 25 KT
N OF 28N W OF 163W.
.48 HOUR FORECAST WEAKENING FRONT FROM 30N166E TO 28N160E. WINDS
DIMINISHED TO 20 KT OR LESS.

.TROUGH FROM 25N155W TO 21N151W TO 16N150W MOVING W SLOWLY.
ISOLATED MODERATE TSTMS WITHIN 120 NM E OF TROUGH AT 20N.
.24 HOUR FORECAST DISSIPATING TROUGH FROM 25N157W TO 21N153W TO
16N152W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 11N176W TO 08N160E MOVING NW SLOWLY. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.HIGH 26N177E 1016 MB MOVING SE 10 KT. RIDGE FROM HIGH TO
24N160E AND FROM HIGH TO 27N176W MOVING SE SLOWLY.
.24 HOUR FORECAST HIGH DISSIPATED.

.RIDGE FROM 30N150W TO 25N172W NEARLY STATIONARY AND ERODING
FROM THE W.

.WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER REMAINDER OF
AREA.

.ISOLATED MODERATE TSTMS FROM 15N TO 18N BETWEEN 171W AND 175W.

.MONSOON TROUGH FROM 10N140W TO 10N172W. ISOLATED MODERATE TSTMS
WITHIN 120 NM OF MONSOON TROUGH.

$$

.FORECASTER BRENCHLEY. HONOLULU HI.


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