High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 252138
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC TUE APR 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC APR 25.
24 HOUR FORECAST VALID 1800 UTC APR 26.
48 HOUR FORECAST VALID 1800 UTC APR 27.

.WARNINGS.

...STORM WARNING...
.48 HOUR FORECAST FROM 34N TO 47N BETWEEN 165E AND 160E S TO SW
WINDS 35 TO 50 KT. SEAS 12 TO 22 FT. ELSEWHERE OVER FORECAST
WATERS FROM 30N TO 55N W OF 170E WINDS 25 TO 40 KT. SEAS 9 TO 18
FT.

...GALE WARNING...
.FROM 30N TO 36N E OF 124W N TO NW WINDS 25 TO 35 KT. SEAS 8 TO
13 FT.
.24 HOUR FORECAST FROM 30N TO 36N BETWEEN 125W AND 119W N TO NW
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST FROM 30N TO 39N BETWEEN 117W AND 125W N TO NW
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.LOW 51N137W 993 MB MOVING N 10 KT. WITHIN 660 NM SE...360 NM
SW...AND 300 NM N AND NE QUADRANTS WINDS 25 TO 35 KT. SEAS TO 12
FT.
.24 HOUR FORECAST LOW 55N137W 992 MB. WITHIN 480 NM S AND SW
SEMICIRCLES AND 180 NM NE QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO
15 FT.
.48 HOUR FORECAST LOW 57N137W 1006 MB. WITHIN 240 NM S AND SW
SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 12 FT.

.SYNOPSIS AND FORECAST.

.LOW 42N149W 1008 MB MOVING E 40 KT. WITHIN 420 NM S OF A FRONT
FROM 42N130W TO THE LOW TO 35N163W WINDS 20 TO 30 KT. SEAS TO 12
FT.
.24 HOUR FORECAST LOW INLAND AND ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 54N174W 984 MB NEARLY STATIONARY. OVER FORECAST WATERS
WITHIN 1260 NM S AND SW QUADRANTS...AND N OF 54N W OF 178E WINDS
20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 53N174W 991 MB. WITHIN 1020 NM SW QUADRANT
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 54N168W 1002 MB. WITHIN 540 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 10 FT.

.24 HOUR FORECAST NEW LOW 45N161W 1010 MB. WITHIN 360 NM S
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 49N149W 1012 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS WITHIN 240 NM EITHER SIDE OF A LINE FROM 41N141W TO
39N151W TO 33N161W.
.24 HOUR FORECAST DENSE FOG WITHIN 240 NM EITHER SIDE OF A LINE
FROM 41N140W TO 37N158W.
.48 HOUR FORECAST DENSE FOG WITHIN 360 NM OF 42N143W AND FROM
40N TO 52N W OF 170E.

.HIGH 32N137W 1029 MB DRIFTING W.
.24 HOUR FORECAST HIGH 32N138W 1030 MB.
.48 HOUR FORECAST HIGH 34N139W 1029 MB.

.24 HOUR FORECAST HIGH 35N164E 1030 MB.
.48 HOUR FORECAST HIGH 35N176E 1030 MB.

.48 HOUR FORECAST NEW HIGH 45N137W 1025 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 1800 UTC TUE APR 25.
24 HOUR FORECAST VALID 1800 UTC WED APR 26.
48 HOUR FORECAST VALID 1800 UTC THU APR 27.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 29N E OF 123W AND WITHIN 60 NM OF THE COAST OF BAJA
CALIFORNIA FROM 25N TO 29N NW WINDS 20 TO 25 KT. SEAS 8 TO 10
FT...EXCEPT 10 TO 11 FT N OF 28N. ELSEWHERE N OF 21N BETWEEN
111W AND 124W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST N OF 29N BETWEEN 118W AND 124W NW TO N WINDS
20 TO 25 KT. SEAS 10 TO 11 FT. ELSEWHERE N OF 22N BETWEEN 112W
AND 124W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST N OF 28N BETWEEN 118W AND 125W NW TO N WINDS
20 TO 25 KT. SEAS 10 TO 12 FT. ELSEWHERE N OF 24N BETWEEN 117W
AND 130W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.

.FROM 06N TO 17N W OF 134W WINDS 20 KT OR LESS. SEAS 8 FT
IN MIXED NE AND NW SWELL.
.24 HOUR FORECAST FROM 06N TO 16N W OF 135W AND ALSO FROM 08N TO
12N BETWEEN 124W AND 135W WINDS 20 KT OR LESS. SEAS TO 8 FT IN
MIXED NE AND NW SWELL.
.48 HOUR FORECAST FROM 07N TO 23N W OF 134W WINDS 20 KT OR LESS.
SEAS 8 FT IN MIXED SWELL.

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

CONVECTION VALID AT 2115 UTC TUE APR 25...

.SCATTERED MODERATE ISOLATED STRONG FROM 03N TO 07N BETWEEN
81W AND 86W...AND WITHIN 60 NM OF 05N79W.

.SCATTERED MODERATE WITHIN 30 NM OF 10N89W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 09N84W TO 06N91W TO 06N95W TO 06N101W.
ITCZ AXIS EXTENDS FROM 06N101W TO 05N109W TO 03N115W TO 05N124W.
SCATTERED MODERATE ISOLATED STRONG WITHIN 180 NM S OF TROUGH
AXIS BETWEEN 90W AND 97W. SCATTERED MODERATE WITHIN 60 NM S OF
TROUGH AXIS BETWEEN 97W AND 101W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.



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