High Seas Forecast
Issued by NWS

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FZPN01 KWBC 211550
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU MAR 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 21.
24 HOUR FORECAST VALID 1200 UTC MAR 22.
48 HOUR FORECAST VALID 1200 UTC MAR 23.

.WARNINGS.

...STORM WARNING...
.LOW W OF AREA 38N156E 971 MB MOVING NE 30 KT. FROM 30N TO 46N
BETWEEN 175E AND 160E WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 43N172E 976 MB.
WITHIN 420 NM S QUADRANT WINDS 35 TO 50 KT. SEAS 20 TO 36 FT.
ELSEWHERE FROM 30N TO 52N BETWEEN 160W AND 160E WINDS 25 TO 40
KT. SEAS 10 TO 25 FT...HIGHEST SW OF THE LOW CENTER.
.48 HOUR FORECAST LOW 49N175E 978 MB. BETWEEN 180 NM AND 660 NM S
QUADRANT WINDS 35 TO 45 KT. SEAS 18 TO 28 FT. ELSEWHERE WITHIN
960 NM S AND SW...AND 660 NM N AND NW QUADRANTS WINDS 25 TO 40
KT. SEAS 8 TO 22 FT...HIGHEST S QUADRANT.

...GALE WARNING...
.LOW 40N137W 1006 MB MOVING E 10 KT. FROM 35N TO 45N BETWEEN 130W
AND 145W AND FROM 45N TO 50N BETWEEN 137W AND 144W WINDS 25 TO 35
KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 41N132W 999 MB. WITHIN 540 NM S AND W
SEMICIRCLES WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW 44N128W 997 MB. WITHIN 540 NM NW QUADRANT
AND FROM 32N TO 44N BETWEEN 124W AND 140W WINDS 25 TO 40 KT. SEAS
9 TO 18 FT.

...GALE WARNING...
.LOW 55N169W 990 MB MOVING N 25 KT. WITHIN 360 NM E AND NE
QUADRANTS...FROM 39N TO 55N BETWEEN 156W AND 168W...AND WITHIN
300 NM S OF A LINE FROM 48N168W TO 45N178E WINDS 25 TO 40 KT.
SEAS 10 TO 20 FT...EXCEPT ACROSS THE BERING SEA SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 63N167W 992 MB. N OF 50N BETWEEN 150W AND
163W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW AND CONDITIONS N OF AREA.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 54N164W 977 MB. EXCEPT WHERE PREVIOUSLY
DESCRIBED IN STORM WARNING ABOVE...WITHIN 480 NM N AND 600 NM E
QUADRANTS...AND FROM 36N TO 54N BETWEEN 145W AND 168W WINDS 25 TO
40 KT. SEAS 9 TO 18 FT.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 52N BETWEEN
167W AND 174W....AND FROM 40N TO 44N BETWEEN 165E AND 160E.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM EITHER SIDE OF A LINE
FROM 48N157W TO 39N170W...AND WITHIN 120 NM EITHER SIDE OF A LINE
FROM 50N172W TO 41N163E.
.48 HOUR FORECAST DENSE FOG FROM 40N TO 57N BETWEEN 151W AND
161W...AND FROM 50N TO 58N BETWEEN 176E AND 161W.

.FORECASTER COLLINS. 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 THU MAR 21.
24 HOUR FORECAST VALID 1200 UTC FRI MAR 22.
48 HOUR FORECAST VALID 1200 UTC SAT MAR 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 09N121W TO 11N125W TO 09N131W TO 06N133W TO 05N127W TO
08N121W TO 09N121W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N
SWELL.
.24 HOUR FORECAST WITHIN 10N122W TO 12N130W TO 11N135W TO
09N138W TO 06N130W TO 08N123W TO 10N122W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN N SWELL.
.48 HOUR FORECAST WITHIN 12N129W TO 12N140W TO 04N140W TO
05N126W TO 07N121W TO 12N129W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN N SWELL.

.24 HOUR FORECAST WITHIN 30N135W TO 30N140W TO 27N140W TO
29N138W TO 30N135W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN W TO
NW SWELL.
.48 HOUR FORECAST WITHIN 30N126W TO 30N140W TO 21N140W TO
22N137W TO 26N135W TO 27N130W TO 30N126W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN W TO NW SWELL.

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

CONVECTION VALID AT 1500 UTC THU MAR 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 07N77W TO 04N98W. ITCZ FROM 04N98W TO
06N110W AND FROM 04N118W TO 02N140W. SCATTERED MODERATE ISOLATED
STRONG FROM 02N TO 09N BETWEEN 92W AND 107W.


.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.

$$


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