High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 232156
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SAT MAR 23 2024

CCODE/2:31:04:01:00/AOE/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH
ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP
(ALL LOWERCASE).

FROM APRIL 1 TO OCTOBER 15, DUE TO THE CLIMATOLOGY OF THE NORTH
ATLANTIC, 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

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1800 UTC MAR 23.
24 HOUR FORECAST VALID 1800 UTC MAR 24.
48 HOUR FORECAST VALID 1800 UTC MAR 25.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER 40N75W 1000 MB MOVING NE 40 KT AND
SECOND CENTER 36N75W 1003 MB MOVING NE 45 KT. WITHIN 180 NM E
SEMICIRCLE OF MAIN CENTER AND WITHIN 240 NM E SEMICIRCLE OF
SECOND CENTER WINDS 35 TO 45 KT. SEAS 12 TO 24 FT. ELSEWHERE
WITHIN AN AREA BOUNDED BY A LINE FROM 31N78W TO MAIN CENTER TO
45N67W TO 40N63W TO 31N65W TO 31N78W WINDS 25 TO 35 KT. SEAS 8 TO
16 FT.
.24 HOUR FORECAST LOW 51N59W 992 MB. WITHIN 300 NM E SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 10 TO 20 FT. ELSEWHERE WITHIN AN AREA
BOUNDED BY A LINE FROM 55N53W TO 50N47W TO 40N52W TO 40N75W TO
55N60W TO 55N53W WINDS 25 TO 40 KT. SEAS 8 TO 17 FT.
.48 HOUR FORECAST LOW 58N47W 975 MB. WITHIN 180 NM S SEMICIRCLE
WINDS 55 TO 65 KT. SEAS 22 TO 41 FT. ELSEWHERE WITHIN 360 NM S
SEMICIRCLE...AND WITHIN 300 NM W QUADRANT WINDS 40 TO 55 KT. SEAS
15 TO 27 FT. ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM
46N35W TO 50N55W TO 62N63W TO 62N50W TO 65N38W TO 65N35W TO
46N35W WINDS 25 TO 40 KT. SEAS 10 TO 23 FT...HIGHEST S OF
CENTER.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 58N47W 993 MB DRIFTING NW AND
SECOND CENTER 55N49W 996 MB MOVING NE 20 KT. WITHIN 180 NM N
SEMICIRCLE OF MAIN CENTER WINDS 40 TO 55 KT. SEAS 17 TO 22 FT.
ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM 45N35W TO 45N58W
TO 60N64W TO 60N59W TO SECOND CENTER TO MAIN CENTER TO 65N35W TO
45N35W WINDS 25 TO 40 KT. SEAS 10 TO 19 FT.
.24 HOUR FORECAST COMBINED LOW 60N38W 1000 MB. WITHIN 240 NM W
SEMICIRCLE WINDS 40 TO 50 KT. SEAS 16 TO 26 FT. ELSEWHERE E OF A
LINE FROM 45N35W TO 53N48W TO 59N48W TO 65N39W WINDS 25 TO 40 KT.
SEAS 10 TO 21 FT.
.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 33N68W 1000 MB. WITHIN 180 NM SE AND
240 NM NW QUADRANTS WINDS 35 TO 45 KT. SEAS 14 TO 24 FT.
ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM 31N80W TO 33N80W
TO 40N75W TO 40N56W TO 31N60W TO 31N80W WINDS 25 TO 40 KT. SEAS 8
TO 17 FT.
.48 HOUR FORECAST LOW 34N69W 993 MB. WITHIN 180 NM SW...AND 240
NM NW QUADRANTS WINDS 40 TO 55 KT. SEAS 16 TO 30 FT. ELSEWHERE
WITHIN AN AREA BOUNDED BY A LINE FROM 31N75W TO 41N75W TO 46N62W
TO 44N51W TO 31N55W TO 31N75W WINDS 25 TO 40 KT. SEAS 10 TO 22
FT...HIGHEST W OF CENTER.

...GALE WARNING...
.LOW 60N59W 1004 MB MOVING NW 05 KT. N OF A LINE FROM 58N50W TO
LOW CENTER WINDS 25 TO 35 KT. SEAS 10 TO 20 FT.
.24 HOUR FORECAST LOW 61N61W 1004 MB. ASSOCIATED CONDITIONS
DIMINISHED.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 48N WITHIN THE GULF OF
SAINT LAWRENCE. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY W OF A
LINE FROM 44N64W TO 49N51W TO 55N51W...AND N OF 63N W OF
GREENLAND.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY WITHIN THE
GULF OF SAINT LAWRENCE...AND N OF 50N W OF 52W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 49N49W TO 63N56W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY
W OF A LINE FROM 47N48W TO 56N47W TO 66N53W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM FROM 58N TO 62N
E OF 45W...AND FROM 57N TO 65N W OF 45W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM E AND SE OF
GREENLAND...AND FROM 50N TO 56N W OF 51W.
.48 HOUR FORECAST DENSE FOG E OF A LINE FROM 56N51W TO
60N59W...FROM 60N TO 65N W OF GREENLAND FROM 60N TO 63N E OF
GREENLAND.

.FORECASTER BYRD. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 1800 UTC SAT MAR 23.
24 HOUR FORECAST VALID 1800 UTC SUN MAR 24.
48 HOUR FORECAST VALID 1800 UTC MON MAR 25.

.WARNINGS.

...ATLC GALE WARNING...
.COLD FRONT FROM 31N76W TO 25N80W. WITHIN 31N73.5W TO 31N75.5W
TO 30.5N75W TO 30.5N74W TO 30.5N73.5W TO 31N73.5W S WINDS 30
TO 35 KT. SEAS 12 TO 15 FT. ELSEWHERE WITHIN 31N49W TO 31N80W
TO 23N80W TO 21N58W TO 31N49W...INCLUDING ATLANTIC
EXPOSURES...E TO SE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. WITHIN
31N79W TO 31N81W TO 30N81W TO 29N81W TO 29N80W TO 31N79W NE
WINDS 20 TO 30 KT WITH FREQUENT GUSTS TO GALE FORCE. SEAS 8 TO
12 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N70W TO 21N75W. WITHIN
31N64W TO 31N65W TO 30N65W TO 30N64W TO 31N64W SE TO S WINDS
30 TO 35 KT. SEAS 12 TO 15 FT. ELSEWHERE WITHIN 31N61W TO 30N65W
TO 31N67W TO 25N70W TO 24N66W TO 26N63W TO 31N61W S TO SW WINDS
20 TO 30 KT. SEAS 8 TO 13 FT. WITHIN 31N72W TO 31N81W TO 27N80W
TO 28N78W TO 31N72W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO
14 FT...HIGHEST N OF 29N. REMAINDER OF AREA WITHIN 30N48W TO
29N61W TO 31N60W TO 28N76W TO 22N68W TO 27N60W TO 30N48W WINDS
20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.30 HOUR FORECAST COLD FRONT FROM 31N68W TO 20N71W. WITHIN
31N60W TO 31N63W TO 29N66W TO 26N68W TO 27N62W TO 29N59W TO
31N60W S WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN
29N60W TO 31N54W TO 30N70W TO 27N77W TO 23N69W TO 25N61W
TO 29N60W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR
LESS. SEAS 8 TO 12 FT IN MIXED SWELL. WITHIN 31N69W TO 31N81W
TO 26N80W TO 31N69W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO
16 FT...HIGHEST N OF 29N.
.48 HOUR FORECAST COLD FRONT FROM 31N66W TO 19N68W. WITHIN
31N53W TO 31N63W TO 27N61W TO 26N59W TO 27N56W TO 31N53W SE
TO S WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. WITHIN 31N67W TO
31N73W TO 29N70W TO 29N69W TO 30N68W TO 31N67W NW WINDS 20
TO 30 KT. SEAS 12 TO 18 FT. ELSEWHERE WITHIN 31N63W TO 29N70W
TO 31N81W TO 26N80W TO 24N75W TO 25N61W TO 31N63W...INCLUDING
ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN
MIXED SWELL.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 26N35W TO 27N41W TO 23N41W TO 20N39W TO 19N35W TO
26N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N47W TO 18N44W TO 17N39W TO
19N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N52W TO 27N55W TO 19N49W TO
20N35W TO 31N35W E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN NE
SWELL.

.CARIBBEAN 06 HOUR FORECAST WITHIN 22N85W TO 22N86W TO 21N87W TO
20N86W TO 22N85W...INCLUDING IN YUCATAN CHANNEL...NW TO N WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.GULF OF MEXICO WITHIN 30N88W TO 28N90W TO 27N92W TO 25N90W TO
25N86W TO 30N88W NW TO N WINDS 20 TO 25 KT. SEAS 8 FT. WITHIN
24N80W TO 25N80W TO 25N82W TO 24N82W TO 23N82W TO 23N81W TO
24N80W...INCLUDING STRAITS OF FLORIDA...W WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 27N94W TO 28N94W TO 28N96W TO 27N97W TO
23N98W TO 24N97W TO 27N94W SE TO S WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.48 HOUR FORECAST COLD FRONT NW OF AREA. WITHIN 30N84W TO 30N94W
TO 28N95W TO 19N95W TO 21N87W TO 25N84W TO 30N84W...INCLUDING
WITHIN 60 NM OF COAST OF VERACRUZ...COAST OF CAMPECHE AND IN
YUCATAN CHANNEL...SE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

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


.FORECASTER ERA. NATIONAL HURRICANE CENTER.

$$


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