High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 230932
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SUN APR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 23.
24 HOUR FORECAST VALID 0600 UTC APR 24.
48 HOUR FORECAST VALID 0600 UTC APR 25.

.WARNINGS.

...GALE WARNING...
.LOW 49N178W 982 MB MOVING E 10 KT. OVER FORECAST WATERS BETWEEN
300 NM AND 780 NM NW AND N QUADRANTS...AND 540 NM SW AND S
QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST LOW 51N172W 981 MB WITH A TROUGH FROM CENTER
TO 46N178E TO 48N162E. BETWEEN 420 NM AND 840 NM NW QUADRANT AND
WITHIN 360 NM S AND SE OF THE TROUGH WINDS 25 TO 35 KT. SEAS 9
TO 17 FT.
.48 HOUR FORECAST LOW 53N173W 982 MB. BETWEEN 420 NM AND 780 NM
NW AND W QUADRANTS AND ELSEWHERE FROM 36N TO 47N W OF 166W WINDS
25 TO 35 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.LOW 35N168E 1003 MB MOVING NE 40 KT. OVER FORECAST WATERS S OF
35N AND W OF 178W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 41N162W 998 MB WITH A FRONT FROM CENTER TO
34N177W. WITHIN 480 NM S AND SE QUADRANTS AND ELSEWHERE WITHIN
240 NM S OF THE FRONT WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST LOW 48N142W 992 MB WITH A FRONT FROM CENTER TO
45N138W TO 40N152W. WITHIN 300 NM SW AND NE QUADRANTS AND
ELSEWHERE WITHIN 300 NM SE AND S OF THE FRONT WINDS 25 TO 35 KT.
SEAS 8 TO 15 FT.

...GALE WARNING...
.WITHIN 300 NM SE AND S OF A FRONT FROM 46N146W TO 41N152W TO
37N161W AREA OF SW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST NEW LOW 46N132W 1004 MB. WITHIN 420 NM S
QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW INLAND.

...GALE WARNING...
.OVER FORECAST WATERS S OF 36N BETWEEN 119W AND 123W AREA OF NW
WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST FROM 31N TO 35N BETWEEN 119W AND 122W AREA OF
NW WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST S OF 36N BETWEEN 118W AND 122W AREA OF NW
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW 33N171E 1008 MB. OVER FORECAST WATERS
WITHIN 300 NM S SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW 37N166W 1006 MB WITH A FRONT FROM CENTER
TO 32N174W. WITHIN 360 NM S AND SE QUADRANTS AND ELSEWHERE
WITHIN 180 NM S OF THE FRONT WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.

.SYNOPSIS AND FORECAST

.LOW 52N136W 1002 MB MOVING NW 15 KT. WITHIN 540 NM S AND 180 NM
E QUADRANTS WINDS TO 25 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 55N142W 1002 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW 58N149W 999 MB. OVER FORECAST WATERS N OF
58N AND E OF 152W WINDS TO 25 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM OF
36N146W...FROM 38N TO 51N BETWEEN 144W AND 163W...AND OVER
FORECAST WATERS S OF 35N AND W OF 178W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM OF 58N167W...AND
WITHIN 420 NM S AND SE OF A LINE FROM 46N148W TO 40N164W TO
34N179E.
.48 HOUR FORECAST DENSE FOG WITHIN 420 NM S AND SE OF A LINE
FROM 48N142W TO 43N146W TO 36N167W.

.HIGH 32N146W 1027 MB MOVING E 20 KT.
.24 HOUR FORECAST HIGH 32N138W 1026 MB.
.48 HOUR FORECAST HIGH 32N137W 1028 MB.

.FORECASTER VUKITS. 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 SUN APR 23.
24 HOUR FORECAST VALID 0600 UTC MON APR 24.
48 HOUR FORECAST VALID 0600 UTC TUE APR 25.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WEAKENING COLD FRONT FROM 30N126W TO 25N140W. W OF LINE FROM
30N128W TO 24N111W TO 10N115W TO 03N140W WINDS 20 KT OR LESS.
SEAS TO 9 FT PRIMARILY IN MIXED S AND NW SWELL.
.24 HOUR FORECAST FRONT DISSIPATED. W OF LINE FROM 30N116W TO
08N107W 05N140W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN
MIXED S AND NW SWELL.
.48 HOUR FORECAST N OF 29.5N BETWEEN 118W AND 122W NW WINDS 20
TO 25 KT. SEAS TO 11 FT. ELSEWHERE WITHIN AREA BOUNDED BY
30N126W TO 30N116W TO 23N114W TO 07N127W TO 06N140W TO 19N140W
TO 30N126W WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED S AND NW
SWELL.

.S OF LINE FROM 03.4S100W TO 05N130W WINDS 20 KT OR LESS. SEAS
TO 9 FT IN MIXED S AND NW SWELL.
.24 HOUR FORECAST S OF 01S BETWEEN 93W AND 120W WINDS 20 KT OR
LESS. SEAS TO 8 FT MIXED S AND NW SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.06 HOUR FORECAST N OF 15N BETWEEN 94W AND 96W...INCLUDING THE
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST N OF 14N BETWEEN 94W AND 96W...INCLUDING THE
GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS LESS TO 9 FT.
.30 HOUR FORECAST WITHIN 60 NM OF LINE FROM 16N95W TO
12.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO
30 KT. SEAS TO 11 FT.
.36 HOUR FORECAST WITHIN 60 NM OF LINE FROM 15N95W TO 11N96.5W
WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN MIXED N AND SW
SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST GULF OF CALIFORNIA FROM 29.5N TO 31N W OF
113.5W SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST GULF OF CALIFORNIA FROM 29.5N TO 31N SW WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0900 UTC SUN APR 23...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ AXIS FROM 05N85W TO 07N123W TO 03N140W. SCATTERED MODERATE
ISOLATED STRONG WITHIN 90 NM OF LINE FROM 05N85W TO 05N103W...
WITHIN 120 NM OF LINE FROM 07N120W TO 05N128W AND WITHIN 75 NM
OF LINE FROM 03N137W TO 03N140W.

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.



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