High Seas Forecast
Issued by NWS

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FZPN01 KWBC 221622
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI MAR 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22.
24 HOUR FORECAST VALID 1200 UTC MAR 23.
48 HOUR FORECAST VALID 1200 UTC MAR 24.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 42N172E 976 MB MOVING NE 30 KT AND
SECOND CENTER 46N176E 976 MB MOVING NE 20 KT. FROM 35N TO 41N
BETWEEN 168E AND 178E WINDS 35 TO 50 KT. SEAS 20 TO 34 FT.
ELSEWHERE FROM 32N TO 43N W OF 175W AND WITHIN 300 NM NW
QUADRANT OF MAIN LOW...ALSO FROM 46N TO 50N BETWEEN 172E AND
175W...AND WITHIN AN AREA BOUNDED BY
34N175W...42N175W...46N163W...46N157W
...39N160W...35N165W...34N175W WINDS 25 TO 40 KT. SEAS 10 TO 22
FT...EXCEPT S OF 42N W OF 175E SEAS 14 TO 28 FT.
.24 HOUR FORECAST COMBINED LOW 49N177W 978 MB. FROM 37N TO 45N
BETWEEN 160W AND 175E WINDS 30 TO 45 KT. SEAS 14 TO 28 FT.
ELSEWHERE FROM 36N TO 48N BETWEEN 157W AND 174E...ALSO WITHIN
360 NM N AND W SEMICIRCLES WINDS 25 TO 35 KT. SEAS 8 TO 18 FT.
.48 HOUR FORECAST LOW 55N162W 981 MB. FROM 44N TO 50N BETWEEN
152W AND 178W WINDS 25 TO 40 KT. SEAS 12 TO 25 FT. ELSEWHERE
FROM 37N TO 50N BETWEEN 166E AND 180W...ALSO FROM 43N TO 52N
BETWEEN 143W AND 160W WINDS 20 TO 30 KT. SEAS 9 TO 15 FT.

...GALE WARNING...
.LOW 41N133W 1000 MB MOVING NE 10 KT. WITHIN 300 NM W AND 240 NM
S SEMICIRCLES WINDS 25 TO 40 KT. SEAS 9 TO 16 FT. ELSEWHERE
WITHIN 480 NM W...420 NM S AND SE SEMICIRCLES WINDS 20 TO 30 KT.
SEAS TO 12 FT
.24 HOUR FORECAST LOW 44N127W 996 MB. FROM 35N TO 46N BETWEEN
130W AND 137W WINDS 25 TO 35 KT. SEAS 9 TO 16 FT. ELSEWHERE FROM
32N TO 48N BETWEEN 124W AND 139W WINDS 20 TO 30 KT. SEAS 8 TO 13
FT.
.48 HOUR FORECAST LOW 40N125W 1007 MB. FROM 30N TO 43N E OF 131W
WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW 54N163W 980 MB. WITHIN 420 NM NE AND 300
NM NW QUADRANTS...AND WITHIN 300 NM E AND NE OF A LINE FROM
56N168W TO 47N152W WINDS 25 TO 40 KT. SEAS 8 TO 17 FT. ELSEWHERE
WITHIN 480 NM N AND NE SEMICIRCLES...AND FROM 39N TO 52N BETWEEN
146W AND 158W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW 55N166W 979 MB. N OF 53N BETWEEN 167W AND
179E WINDS 25 TO 40 KT. SEAS 9 TO 17 FT. ELSEWHERE FROM 58N TO
60N BETWEEN 150W AND 154W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.

...HEAVY FREEZING SPRAY WARNING...
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF
175W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 57N168W TO 57N170W TO 59N170E.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 45N
BETWEEN 163W AND 168W...ALSO FROM 46N TO 49N BETWEEN 158W AND
162W...WITHIN 120 NM N OF A LINE FROM 42N168W TO 48N180W TO
48N175W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM NE...E AND SE OF A
LINE FROM 52N160W TO 45N155W TO 40N161W...ALSO N OF 54N BETWEEN
159W AND 168W...AND FROM 44N TO 53N BETWEEN 174W AND 175E.
.48 HOUR FORECAST DENSE FOG FROM 41N TO 44N BETWEEN 140W AND
146W...N OF 53N BETWEEN 163W AND 174W...AND N OF 57N BETWEEN
148W AND 155W...ALSO FROM 47N TO 50N BETWEEN 174W AND 174E.

.FORECASTER SHAW. 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 1200 UTC FRI MAR 22.
24 HOUR FORECAST VALID 1200 UTC SAT MAR 23.
48 HOUR FORECAST VALID 1200 UTC SUN MAR 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 30N136W TO 30N140W TO 26N140W TO 27N139W TO 30N136W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN W TO NW SWELL.
.24 HOUR FORECAST WITHIN 30N127W TO 30N140W TO 19N140W TO
21N135W TO 30N127W N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN W TO
NW SWELL.
.30 HOUR FORECAST WITHIN 30N124W TO 30N140W TO 23N140W TO
20N135W TO 23N129W TO 30N124W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN NW SWELL. WITHIN 22N136W TO 23N140W TO 18N140W TO 20N135W
TO 22N136W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN W TO NW
SWELL.
.48 HOUR FORECAST WITHIN 27N126W TO 30N130W TO 30N140W TO
26N138W TO 22N128W TO 24N121W TO 27N126W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN NW TO N SWELL. WITHIN 30N116W TO 30N129W TO
24N121W TO 24N115W TO 26N113W TO 30N116W...INCLUDING SEBASTIAN
VIZCAINO BAY AND WITHIN 60 NM OF SHORE...NW WINDS 20 TO 25 KT.
SEAS 9 TO 11 FT IN NW SWELL. WITHIN 16N131W TO 22N129W TO 25N140W
TO 02N140W TO 06N126W TO 16N131W NE WINDS 20 TO 25 KT. SEAS 8 TO
10 FT IN NE SWELL.

.WITHIN 09N120W TO 13N126W TO 13N133W TO 06N138W TO 05N119W TO
09N120W WINDS 20 KT OR LESS. SEAS 8 FT IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 10N121W TO 13N127W TO 12N140W TO
02N140W TO 04N127W TO 06N121W TO 10N121W NE WINDS 20 TO 25 KT.
SEAS 8 TO 10 FT.
.39 HOUR FORECAST CONDITIONS MERGED WITH SECTION ABOVE.

.33 HOUR FORECAST WITHIN 16N93W TO 16N94W TO 16N95W TO 16N96W TO
15N95W TO 15N94W TO 16N93W...INCLUDING THE GULF OF
TEHUANTEPEC... NW WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.36 HOUR FORECAST WITHIN 30N113W TO 31N113W TO 32N115W TO
30N114W TO 27N112W TO 28N111W TO 30N113W...INCLUDING THE GULF OF
CALIFORNIA... SW TO W WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST WITHIN 30N113W TO 31N113W TO 32N115W TO
30N115W TO 28N113W TO 28N112W TO 30N113W...INCLUDING THE GULF OF
CALIFORNIA... W WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.

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

CONVECTION VALID AT 1550 UTC FRI MAR 22...

.LOW PRES NEAR 04N120W 1010 MB...SCATTERED MODERATE ISOLATED
STRONG FROM 03N TO 07N BETWEEN 115W AND 127W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS OFF THE COAST OF COLOMBIA FROM 08N78W
TO 07N90W TO 05N101W. THE ITCZ CONTINUES FROM 05N101W TO 04N117W
AND THEN FROM 03N123W TO 02N136W. SCATTERED MODERATE FROM 04N TO
09N BETWEEN 101W AND 112W. WIDELY SCATTERED MODERATE FROM 03S TO
09N E OF 89W.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.


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