High Seas Forecast
Issued by NWS

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FZPN01 KWBC 231618
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SAT MAR 23 2024

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
VOSOPS@NOAA.GOV(LOWERCASE).

FROM APRIL 1 TO OCTOBER 15, DUE TO THE CLIMATOLOGY OF THE NORTH
PACIFIC, HIGH SEAS FORECASTS WILL ONCE AGAIN INCLUDE ALL
FORECASTS OF WINDS 20 TO 30 KNOTS AND SEAS 8 FEET OR GREATER.
ALSO, PLEASE SEE HTTPS://OCEAN.WEATHER.GOV/PROPOSED_HIGH_SEAS
_TROPICAL.PHP FOR A PROPOSAL, AND A REQUEST FOR COMMENTS, TO
INCREASE READABILITY OF THE HIGH SEAS FORECAST (WEB ADDRESS
LOWERCASE).

SECURITE

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT
TO 50N 160E

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1200 UTC MAR 23.
24 HOUR FORECAST VALID 1200 UTC MAR 24.
48 HOUR FORECAST VALID 1200 UTC MAR 25.

.WARNINGS.

...GALE WARNING...
.LOW 46N178W 977 MB NEARLY STATIONARY. FROM 40N TO 47N BETWEEN
160W AND 175E WINDS 30 TO 45 KT. SEAS 15 TO 27 FT...HIGHEST NEAR
44N178W. ELSEWHERE FROM 38N TO 50N BETWEEN 160W AND 170E AND FROM
50N TO 59N W OF 170W WINDS 25 TO 35 KT. SEAS 10 TO 22 FT...EXCEPT
SEAS TO 12 FT N OF THE ALEUTIAN ISLANDS.
.24 HOUR FORECAST LOW 49N177W 987 MB. FROM 45N TO 49N BETWEEN
160W AND 178W WINDS 30 TO 40 KT. SEAS 15 TO 24 FT. ELSEWHERE FROM
42N TO 50N BETWEEN 160W AND 177W AND WITHIN 780 NM SW AND 660 NM
W QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 18 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MERGED WITH LOW
52N166W DESCRIBED BELOW.

...GALE WARNING...
.LOW 54N163W 977 MB MOVING NW 05 KT. BETWEEN 120 NM AND 240 NM N
AND NE QUADRANTS AND WITHIN 240 NM E OF A LINE FROM 56N157W TO
48N153W WINDS 30 TO 45 KT. SEAS 12 TO 21 FT...HIGHEST NEAR
53N154W. ELSEWHERE N OF 40N BETWEEN 145W AND 160W AND WITHIN 360
NM NW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST LOW 55N166W 978 MB. FROM 55N TO 60N BETWEEN
167W AND 178W AND FROM 45N TO 49N BETWEEN 156W AND 160W WINDS 30
TO 40 KT. SEAS 10 TO 22 FT...HIGHEST NEAR 47N159W. ELSEWHERE
WITHIN 180 NM NE AND N OF A LINE FROM 58N153W TO 50N143W...FROM
40N TO 52N BETWEEN 145W AND 160W AND N OF THE ALEUTIANS N OF 52N
BETWEEN 158W AND 178E WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST LOW 52N166W 991 MB AND
SECOND NEW LOW 45N173W 999 MB. WITHIN 180 NM S AND 300 NM W
QUADRANTS OF SECOND LOW AND WITHIN 120 NM SE SEMICIRCLE OF FIRST
LOW WINDS 30 TO 45 KT. SEAS 12 TO 23 FT...HIGHEST W QUADRANT OF
SECOND LOW. ELSEWHERE WITHIN 900 NM E...600 NM S...660 NM NW AND
780 NM N QUADRANTS OF FIRST LOW AND WITHIN 480 NM S...600 NM SW
AND 660 NM NW QUADRANTS OF SECOND LOW WINDS 25 TO 35 KT. SEAS 8
TO 20 FT...HIGHEST NEAR 52N154W.

...GALE WARNING...
.LOW 45N127W 996 MB MOVING SE 10 KT. WITHIN 180 NM W OF A LINE
FROM 34N130W TO 46N132W WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.
ELSEWHERE WITHIN 180 NM W AND NW OF A FRONT FROM 34N119W TO
30N121W AND WITHIN 120 NM NE...720 NM S...780 NM SW AND 420 NM NW
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14 FT IN MIXED SWELL.
.24 HOUR FORECAST LOW 42N125W 1007 MB. E OF A LINE FROM 48N131W
TO 36N133W TO 30N137W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.36 HOUR FORECAST LOW DISSIPATED INLAND. FROM 31N TO 35N E OF
122W AREA OF NW WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST E OF A LINE FROM 30N125W TO 39N124W AREA OF NW
WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.LOW 35N174W 1012 MB MOVING NE 35 KT. FROM 34N TO 38N W OF 170W
AND FROM 30N TO 34N BETWEEN 175E AND 163E WINDS 25 TO 35 KT. SEAS
10 TO 22 FT...HIGHEST N OF 36N E OF 174E.
.24 HOUR FORECAST LOW 40N169W 1010 MB. WITHIN 120 NM W AND NW OF
A LINE FROM 34N172W TO 40N166W WINDS 25 TO 35 KT. SEAS 9 TO 17
FT.
.48 HOUR FORECAST LOW ABSORBED AND CONDITIONS DESCRIBED ABOVE
WITH LOW 45N173W.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY N AND NE OF A LINE FROM 57N165W
TO 57N171W TO 60N179W AND NW OF A LINE FROM 51N166E TO 56N177E.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 58N169W TO 60N178W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N AND NE OF A LINE FROM 56N168W TO 56N170W TO 58N177E.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 57N166W TO 58N172W TO 60N179W. ELSEWHERE LIGHT TO MODERATE
FREEZING SPRAY N AND NE OF A LINE FROM 54N165W TO 56N173E.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST WITHIN 180 NM NW OF A LINE FROM 30N165W TO
40N143W AREA OF S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 42N BETWEEN
151W AND 160W...INCLUDING COOK INLET...N OF 50N BETWEEN 160W AND
168W...WITHIN 60 NM N OF A LINE FROM 50N171W TO 50N177W AND FROM
44N TO 54N BETWEEN 177W AND 175E.
.24 HOUR FORECAST DENSE FOG FROM FROM 53N TO 60N BETWEEN 141W AND
153W...FROM 41N TO 44N BETWEEN 140W AND 147W...N OF 53N BETWEEN
160W AND 173W...WITHIN 60 NM N OF A LINE FROM 48N167W TO 48N179W
AND FROM 46N TO 51N BETWEEN 180W AND 173E.
.48 HOUR FORECAST DENSE FOG FROM 40N TO 43N BETWEEN 142W AND
152W...N OF 53N BETWEEN 151W AND 168W...INCLUDING COOK INLET AND
FROM 49N TO 52N BETWEEN 165W AND 174W AND W OF A LINE FROM
45N162E TO 50N162E.

.FORECASTER FUTTERMAN. OCEAN PREDICTION CENTER.

NWS 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 1200 UTC SAT MAR 23.
24 HOUR FORECAST VALID 1200 UTC SUN MAR 24.
48 HOUR FORECAST VALID 1200 UTC MON MAR 25.

.WARNINGS.

...GALE WARNING...
.12 HOUR FORECAST COLD FRONT APPROACHING FROM THE WEST. WITHIN
31N113W TO 31N114W TO 31N115W TO 30N114W TO 28N113W TO 29N112W TO
31N113W...INCLUDING THE GULF OF CALIFORNIA...SW TO W WINDS 25 TO
35 KT. SEAS TO 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N112W TO 26N113W TO 20N124W.
WITHIN 30N113W TO 31N113W TO 32N115W TO 30N115W TO 28N113W TO
27N110W TO 30N113W...INCLUDING THE GULF OF CALIFORNIA...W WINDS
25 TO 35 KT. SEAS 8 TO 9 FT.
.30 HOUR FORECAST WEAKENING COLD FRONT FROM 25N107W TO 18N112W.
WITHIN 30N113W TO 31N113W TO 32N115W TO 30N115W TO 28N113W TO
27N110W TO 30N113W...INCLUDING THE GULF OF CALIFORNIA...W WINDS
20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 30N113W TO 30N114W TO 29N114W TO
26N111W TO 27N110W TO 28N111W TO 30N113W...INCLUDING THE GULF OF
CALIFORNIA...W WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N120W TO 22N131W. WITHIN 30N127W TO 30N140W
TO 19N140W TO 23N133W TO 25N132W TO 30N127W N WINDS 20 TO 25 KT.
SEAS 8 TO 10 FT IN W TO NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N112W TO 26N113W TO 20N124W.
WITHIN 29N115W TO 30N140W TO 27N139W TO 23N127W TO 24N117W TO
29N115W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF
SHORE...NW TO N WINDS 20 TO 25 KT. SEAS 9 TO 11 FT IN NW TO N
SWELL. WITHIN 16N131W TO 21N128W TO 25N140W TO 01N140W TO 04N130W
TO 07N128W TO 16N131W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN
NE SWELL.
.48 HOUR FORECAST COLD FRONT DISSIPATED. WITHIN 29N115W TO
30N136W TO 21N127W TO 19N122W TO 20N109W TO 29N115W...INCLUDING
SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF SHORE...WITHIN 60 NM
OF SHORE...N WINDS 20 TO 25 KT. SEAS 10 TO 12 FT IN NW TO N
SWELL. WITHIN 17N121W TO 27N140W TO 03N140W TO 06N130W TO 17N121W
NE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN N TO NE SWELL.

.WITHIN 11N123W TO 12N140W TO 03N140W TO 03N128W TO 07N122W TO
11N123W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN N TO NE SWELL.
.15 HOUR FORECAST CONDITIONS MERGED WITH SECTION ABOVE.

.12 HOUR FORECAST WITHIN 16N93W TO 16N95W TO 16N96W TO 15N96W TO
14N94W TO 15N93W TO 16N93W...INCLUDING THE GULF OF TEHUANTEPEC...
W TO NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.45 HOUR FORECAST WITHIN 16N95W TO 16N96W TO 16N98W TO 15N98W
TO 14N96W TO 15N95W TO 16N95W...INCLUDING THE GULF OF
TEHUANTEPEC...
W 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 1550 UTC SAT MAR 23...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS OFF THE COAST OF COSTA RICA NEAR 08N82W
TO 06N104W TO 00N129W. SCATTERED MODERATE FROM 03N TO 10N
BETWEEN 101W AND 124W. WIDELY SCATTERED MODERATE FROM 02N TO
10N E OF 89W.


.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

$$


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