High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 240935
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC MON APR 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 24.
24 HOUR FORECAST VALID 0600 UTC APR 25.
48 HOUR FORECAST VALID 0600 UTC APR 26.

.WARNINGS.

...GALE WARNING...
.LOW 40N164W 999 MB MOVING NE 40 KT. FRONT EXTENDS FROM 36N174W
TO LOW CENTER TO 42N157W TO 41N143W. OVER FORECAST WATERS WITHIN
480 NM S OF THE FRONT WINDS 25 TO 35 KT. SEAS 8 TO 17 FT.
.24 HOUR FORECAST LOW 51N145W 992 MB. WITHIN 300 NM NE AND 840
NM SE AND S QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW 54N139W 984 MB. WITHIN 300 NM N SEMICIRCLE
AND WITHIN 900 NM SE AND 540 NM SW QUADRANTS WINDS 25 TO 35 KT.
SEAS 9 TO 19 FT.

...GALE WARNING...
.LOW 51N172W 981 MB MOVING N 10 KT. OVER FORECAST WATERS WITHIN
900 NM S...1080 NM W...AND 660 NM NW QUADRANTS WINDS 25 TO 35
KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW 53N173W 982 MB. WITHIN 780 NM SE...1500 NM
SW...1200 NM W...AND 600 NM N QUADRANTS WINDS 20 TO 30 KT. SEAS
8 TO 13 FT.
.48 HOUR FORECAST LOW 53N175W 987 MB. WITHIN 1260 NM SW...960 NM
SE...AND 720 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.LOW 34N179W 1006 MB MOVING NE 35 KT. FRONT EXTENDS FROM 30N165E
TO LOW CENTER TO 36N174W. OVER FORECAST WATERS S OF THE FRONT
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 39N159W 1008 MB. FRONT TO EXTEND FROM
32N176W TO LOW CENTER TO 41N151W. WITHIN 420 NM S OF THE FRONT
WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.OVER FORECAST WATERS FROM 30N TO 38N E OF 125W WINDS 20 TO 30
KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST FROM 30N TO 37N E OF 126W WINDS 25 TO 35 KT.
SEAS 8 TO 13 FT.
.48 HOUR FORECAST FROM 30N TO 37N E OF 126W WINDS 25 TO 35 KT.
SEAS 8 TO 14 FT.

.SYNOPSIS AND FORECAST.

.LOW 46N127W 1003 MB MOVING E 20 KT. OVER FORECAST WATERS WITHIN
540 NM SW AND 480 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14
FT.
.24 HOUR FORECAST LOW INLAND AND ASSOCIATED CONDITIONS
DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS WITHIN 420 NM N OF A LINE FROM 41N144W TO 34N165W TO
30N178W.
.24 HOUR FORECAST DENSE FOG WITHIN 420 NM N AND NW OF A LINE
FROM 43N133W TO 42N163W.
.48 HOUR FORECAST DENSE FOG WITHIN 360 NM N AND NW OF A LINE
FROM 39N127W TO 31N163W.

.HIGH 32N139W 1026 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH 32N139W 1028 MB.
.48 HOUR FORECAST HIGH 33N140W 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 MON APR 24.
24 HOUR FORECAST VALID 0600 UTC TUE APR 25.
48 HOUR FORECAST VALID 0600 UTC WED APR 26.

.WARNINGS.

...GALE WARNING...
.WITHIN 30 NM OF LINE FROM 16N94.5W TO 14.5N95W...INCLUDING THE
GULF OF TEHUANTEPEC...N WINDS 25 TO 35 KT. SEAS TO 10 FT.
ELSEWHERE WITHIN 45 NM OF LINE FROM 16N94.5W TO 14N95.5W N WINDS
20 TO 25 KT. SEAS TO 8 FT.
.06 HOUR FORECAST WITHIN 60 NM OF LINE FROM 16N94.5W TO
12N96W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30
KT. SEAS TO 11 FT.
.12 HOUR FORECAST WITHIN 75 NM OF LINE FROM 15N95W TO 11N97W
WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED N AND SW SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.WITHIN AREA BOUNDED BY 30N138W TO 30N116W TO 08N105W TO 07N140W
TO 27N140W TO 30N138W WINDS 20 KT OR LESS. SEAS TO 9 FT
PRIMARILY IN MIXED S AND NW SWELL.
.18 HOUR FORECAST N OF 29N BETWEEN 117W AND 122W NW WINDS 20 TO
25 KT. SEAS TO 11 FT. ELSEWHERE WITHIN AREA BOUNDED BY 30N126W
TO 30N116W TO 25N115W TO 10N122W TO 06N140W TO 20N140W TO
30N126W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN MIXED S
AND NW SWELL.
.24 HOUR FORECAST N OF 29N BETWEEN 117W AND 121W NW WINDS 20 TO
25 KT. SEAS TO 11 FT. ELSEWHERE WITHIN AREA BOUNDED BY 30N125W
TO 30N116W TO 24N113W TO 09N125W TO 06N140W TO 18N140W TO
30N125W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN MIXED S
AND NW SWELL.
.36 HOUR FORECAST N OF 28.5N E OF 122W NW WINDS 20 TO 25 KT.
SEAS 9 TO 13 FT. ELSEWHERE WITHIN AREA BOUNDED BY 30N125W TO
30N116W TO 20N110W TO 07N140W TO 20N140W TO 30N125W WINDS 20 KT
OR LESS. SEAS TO 9 FT PRIMARILY IN MIXED S AND NW SWELL. 48 HOUR
FORECAST E OF LINE FROM 30N123W TO 25N115W NW WINDS 20 TO 25 KT.
SEAS 8 TO 13 FT. ELSEWHERE WITHIN AREA BOUNDED BY 30N125W TO
30N116W TO 20N107W TO 07N140W TO 16N140W TO 30N125W WINDS 20 KT
OR LESS. SEAS TO 8 FT PRIMARILY IN MIXED S AND NW SWELL.

.GULF OF CALIFORNIA FROM 29.5N TO 30.5W SW WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST FROM 29.5N TO 31N SW WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 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 MON APR 24...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 06N86W TO 07N124W TO 05N140W. TROUGH FROM 11N122W TO
04N125W.SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM OF LINE
FROM 03N84W TO 07N96W TO 08N112W TO 05N138W...AND WITHIN 150 NM
OF 09.5N119.5W.

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.


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