High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 251125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC TUE APR 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 25.
24 HOUR FORECAST VALID 0600 UTC APR 26.
48 HOUR FORECAST VALID 0600 UTC APR 27.

.WARNINGS.

...GALE WARNING...
.OVER FORECAST WATERS FROM 30N TO 38N E OF 125W WINDS 25 TO 35
KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST FROM 30N TO 38N E OF 126W WINDS 25 TO 35 KT.
SEAS 8 TO 14 FT.
.48 HOUR FORECAST FROM 30N TO 38N E OF 125W WINDS 25 TO 35 KT.
SEAS TO 11 FT.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 48N141W 996 MB MOVING NE 15 KT.
FRONT EXTENDS FROM LOW CENTER TO 43N140W TO 40N153W. OVER
FORECAST WATERS WITHIN 360 NM W...420 NM N...360 NM E...AND 660
NM SE QUADRANTS AND WITHIN 360 NM S AND SE OF THE FRONT WINDS 25
TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 54N135W 988 MB.
WITHIN 540 NM SW...360 NM SE...240 NM NE...AND 420 NM NW
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST COMBINED LOW 56N138W 995 MB. WITHIN 480 NM S
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.LOW 53N173W 983 MB MOVING NW 05 KT. OVER FORECAST WATERS
BETWEEN 360 NM AND 900 NM W AND NW QUADRANTS AND WITHIN 660 NM
NW AND N OF A LINE FROM 33N163E TO 39N180W TO 42N162W WINDS 25
TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 53N175W 986 MB. BETWEEN 300 NM AND 720 NM
W AND NW...WITHIN 1200 NM S...AND 660 NM SE QUADRANTS WINDS 20
TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 54N170W 997 MB. WITHIN 1080 NM SW AND 600
NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.

.SYNOPSIS AND FORECAST.

.LOW 39N159W 1006 MB MOVING NE 50 KT. FRONT EXTENDS FROM 40N153W
TO LOW CENTER TO 30N178W. OVER FORECAST WATERS WITHIN 420 NM S
OF THE FRONT WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 45N132W 1010 MB. WITHIN 480 NM S AND SW
QUADRANTS WINDS TO 25 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW INLAND AND CONDITIONS DIMINISHED.

.48 HOUR FORECAST OVER FORECAST WATERS W OF A LINE FROM 30N165E
TO 49N165E WINDS 20 TO 30 KT. SEAS TO 9 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS WITHIN 480 NM NW OF A LINE FROM 43N134W TO 32N165W.
.24 HOUR FORECAST DENSE FOG WITHIN 300 NM N OF A LINE FROM
31N163W TO 42N131W.
.48 HOUR FORECAST DENSE FOG FROM 35N TO 49N BETWEEN 138W AND
155W...AND FROM 41N TO 50N W OF 169E.

.HIGH 32N138W 1027 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH 33N141W 1030 MB.

.48 HOUR FORECAST HIGH 35N170E 1030 MB.

.FORECASTER SOMMERVILLE. 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 TUE APR 25.
24 HOUR FORECAST VALID 0600 UTC WED APR 26.
48 HOUR FORECAST VALID 0600 UTC THU APR 27.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 29N E OF 122W NW WINDS 20 TO 25 KT. SEAS 9 TO 11 FT.
ELSEWHERE N OF LINE FROM 25N113W TO 20N125W WINDS 20 KT OR
LESS. SEAS TO 10 FT PRIMARILY IN NW SWELL.
.18 HOUR FORECAST E OF LINE FROM 30N123W TO 25N113W NW WINDS 20
TO 25 KT. SEAS 8 TO 12 FT WITH NW SWELL. ELSEWHERE N OF 24N
BETWEEN 113W AND 124W WINDS 20 KT OR LESS. SEAS TO 9 FT
PRIMARILY IN NW SWELL.
.24 HOUR FORECAST N OF 29N BETWEEN 116W AND 123W NW WINDS 20 TO
25 KT. SEAS 9 TO 11 FT WITH NW SWELL. ELSEWHERE N OF 24N BETWEEN
112W AND 124W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN NW
SWELL.
.36 HOUR FORECAST N OF 24N BETWEEN 113W AND 125W WINDS 20 KT OR
LESS. SEAS TO 10 FT PRIMARILY IN NW SWELL.
.48 HOUR FORECAST N OF 24N BETWEEN 115W AND 125W WINDS 20 KT OR
LESS. SEAS TO 9 FT PRIMARILY IN NW SWELL.

.GULF OF CALIFORNIA FROM 29.5N TO 31N SW WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.12 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 TUE APR 25...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 06N85W TO 06N98W. ITCZ FROM 06N98W TO 04N140W.
SCATTERED MODERATE ISOLATED STRONG WITHIN 90 NM OF 02N78W
AND 05N81W AND WITHIN 75 NM OF LINE FROM 05N101W TO 07N106W TO
10N120W TO 07N132W. ITCZ FROM 02S101W TO 03.4S120W. SCATTERED
MODERATE ISOLATED STRONG WITHIN 30 NM OF LINE FROM 02.5S106W
TO 02.5S120W.

.FORECASTER NELSON. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0600 UTC APR 25 2017.
24 HOUR FORECAST VALID 0600 UTC APR 26 2017.
48 HOUR FORECAST VALID 0600 UTC APR 27 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N178E 26N175E 23N165E 22N160E. FRONT MOVING E 15 KT. NE
WINDS WINDS 20 TO 25 KT WITHIN 120 NM N OF FRONT W OF 165E.
.24 HOUR FORECAST FRONT 30N171W 25N180W 21N170E 20N160E. NE
WINDS 20 TO 25 KT SEAS 8 TO 9 FT BETWEEN FRONT AND 27N W OF
175E.
.48 HOUR FORECAST FRONT 30N164W 26N176W 19N175E 19N160E. NE
WINDS 20 TO 25 KT BETWEEN FRONT AND 27N W OF 175W.

.E WINDS 20 TO 25 KT BETWEEN 08N AND 19N FROM 150W TO 165W.
.24 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.RIDGE 30N147W 26N165W 24N180W NEARLY STATIONARY AND ERODING
FROM THE W.

.SEAS 8 TO 9 FT BETWEEN 06N AND 18N FROM 145W TO 165W.
.24 HOUR FORECAST SEAS LOWERED TO 8 FT OR LESS.

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

.ITCZ...04N140W 05N148W 07N156W. ISOLATED TSTMS WITHIN 120 NM OF
ITCZ.


$$

.FORECASTER LAU. HONOLULU HI.


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