High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 221620
HSFAT1

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH FIRST LOW 54N57W 993 MB MOVING E 10 KT AND
SECOND LOW 47N46W 1008 MB MOVING N 25 KT. WITHIN 300 NM NE
SEMICIRCLE OF FIRST LOW AND WITHIN 540 NM N AND 420 NM E
QUADRANTS OF SECOND LOW WINDS 35 TO 50 KT. SEAS 10 TO 20 FT.
ELSEWHERE WITHIN 420 NM N...600 NM S AND BETWEEN 180 NM AND 960
NM SW QUADRANTS OF THE FIRST LOW...INCLUDING THE GULF OF SAINT
LAWRENCE AND WITHIN 660 NM N AND 540 NM E QUADRANTS OF SECOND LOW
WINDS 25 TO 40 KT. SEAS 9 TO 17 FT...HIGHEST SW QUADRANT OF FIRST
LOW.
.18 HOUR FORECAST FIRST LOW 54N54W 993 MB AND SECOND LOW 56N46W
996 MB. WITHIN 120 NM NE AND 240 NM NW QUADRANTS OF SECOND LOW
WINDS 45 TO 60 KT. SEAS 15 TO 27 FT.
.24 HOUR FORECAST FIRST LOW 54N53W 993 MB AND SECOND LOW 58N46W
996 MB. WITHIN 180 NM NE AND 300 NM NW QUADRANTS OF SECOND LOW
WINDS 50 TO 65 KT. SEAS 16 TO 31 FT...HIGHEST NW QUADRANT OF
SECOND LOW. ELSEWHERE FROM 57N TO 60N E OF 42W...WITHIN 420 NM NW
QUADRANT OF SECOND LOW...FROM 48N TO 53N E OF 56W AND BETWEEN 180
NM AND 540 NM NW QUADRANT OF FIRST LOW WINDS 35 TO 50 KT. SEAS 12
TO 22 FT. ALSO N OF 60N E OF GREENLAND AND WITHIN 660 NM SW
QUADRANT OF FIRST LOW...INCLUDING THE GULF OF SAINT LAWRENCE
WINDS 25 TO 35 KT. SEAS 8 TO 16 FT...EXCEPT TO 12 FT IN THE GULF
OF SAINT LAWRENCE.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 60N41W 995 MB. NW AND
N OF A LINE FROM THE LOW TO 63N35W WINDS 35 TO 50 KT. SEAS 14 TO
25 FT. ELSEWHERE FROM 47N TO 60N E OF 47W AND N OF 60N E OF
GREENLAND WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.

...STORM WARNING...
.06 HOUR FORECAST FROM 31N TO 35N W OF 71W AREA OF SE WINDS 20 TO
30 KT. SEAS TO 10 FT.
.12 HOUR FORECAST FROM 31N TO 35N BETWEEN 72W AND 81W AREA OF SE
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST NEW LOW 33N78W 1004 MB. FROM 31N TO 37N BETWEEN
70W AND 80W WINDS 30 TO 40 KT. SEAS 9 TO 18 FT...HIGHEST NEAR
34N75W. ELSEWHERE FROM 31N TO 43N W OF 64W WINDS 20 TO 30 KT.
SEAS 8 TO 14 FT IN MIXED SWELL.
.42 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 37N71W 1001 MB.
WITHIN 780 NM NE...360 NM E...540 NM SE...480 NM SW AND 240 NM NW
QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 26 FT...HIGHEST NEAR
38N72W.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 35N71W 998 MB AND
SECOND CENTER 48N62W 1001 MB. WITHIN 120 NM NE...240 NM SE AND
300 NM SW QUADRANTS OF SECOND CENTER AND WITHIN 300 NM SE
QUADRANT OF MAIN CENTER AND FROM 33N TO 43N BETWEEN 60W AND 77W
WINDS 40 TO 50 KT. SEAS 14 TO 30 FT...HIGHEST NEAR 36N70W.
ELSEWHERE FROM 31N TO 51N W OF 50W WINDS 25 TO 40 KT. SEAS 9 TO
17 FT.

...GALE WARNING...
.LOW 37N49W 1016 MB MOVING NE 45 KT. WITHIN 780 NM NE AND 300 NM
SE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW E OF THE AREA 53N33W 1008 MB. FROM 42N TO
57N BETWEEN 35W AND 40W AND FROM 43N TO 48N BETWEEN 35W AND
60W...WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY COMPLEX LOW
60N41W DESCRIBED ABOVE.

...GALE WARNING...
.LOW 63N36W 1010 MB MOVING NEARLY STATIONARY. FROM 58N TO 60N
BETWEEN 43W AND 35W WINDS 30 TO 40 KT. SEAS 12 TO 21 FT.
ELSEWHERE FROM 56N TO 60N E OF 43W AND N OF 60N E OF GREENLAND
WINDS 20 TO 30 KT. SEAS 8 TO 15 FT IN MIXED SWELL.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.48 HOUR FORECAST LOW 60N58W 997 MB. WITHIN 660 NM SE AND 180 NM
S QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 16 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF GREENLAND AND W
OF A LINE FROM 47N62W TO 48N63W IN THE W GULF OF SAINT LAWRENCE.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF 49W AND
IN THE REST OF THE GULF OF SAINT LAWRENCE. ALSO LIGHT FREEZING
SPRAY NW OF A LINE FROM 42N70W TO 45N62W...INCLUDING THE BAY OF
FUNDY.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY IN THE GULF OF
SAINT LAWRENCE AND N OF 63N W OF GREENLAND. ELSEWHERE LIGHT
FREEZING SPRAY IN THE BAY OF FUNDY.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY IN THE GULF OF
SAINT LAWRENCE AND FROM 50N TO 58N W OF 50W...W OF A LINE FROM
58N50W TO 60N55W AND N OF 63N W OF GREENLAND.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 49N
BETWEEN 43W AND 49W...FROM 54N TO 58N W OF 41W AND IN THE GULF OF
SAINT LAWRENCE.
.24 HOUR FORECAST DENSE FOG FROM 55N TO 60N BETWEEN 35W AND
48W...FROM 58N TO 60N BETWEEN 48W AND 52W AND FROM 60N TO 64N W
OF GREENLAND.
.48 HOUR FORECAST DENSE FOG WITHIN 60 NM NW OF A LINE FROM 40N67W
TO 44N62W...IN THE GULF OF SAINT LAWRENCE...FROM 59N TO 62N W OF
56W AND N OF 60N E OF GREENLAND.

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

.WARNINGS.

...ATLANTIC GALE WARNING...
.WITHIN 31N75W TO 31N81W TO 26N80W TO 23N80W TO 26N74W TO
31N75W...INCLUDING STRAITS OF FLORIDA...SE WINDS 20 TO 25 KT.
SEAS BUILDING TO 8 FT BY HOUR 06. WITHIN 24N59W TO 25N67W TO
25N70W TO 21N71W TO 21N67W TO 23N60W TO 24N59W NE TO E WIND 20 TO
25 KT. SEAS 8 TO 9 FT.
.15 HOUR FORECAST WARM FRONT NEAR SOUTH FLORIDA AND STRAITS OF
FLORIDA. WITHIN 31N75W TO 31N80W TO 29N80W TO 29N79W TO 31N75W SE
TO S WINDS 30 TO 35 KT. SEAS 10 TO 13 FT. WITHIN 28N75W TO
29N77W TO 27N79W TO 25N79W TO 25N78W TO 27N75W TO 28N75W SE WINDS
30 TO 35 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 31N69W TO 31N81W
TO 23N80W TO 20N71W TO 24N60W TO 31N69W...INCLUDING STRAITS OF
FLORIDA AND WINDWARD PASSAGE...E TO SE WINDS 20 TO 30 KT. SEAS 8
TO 11 FT. REMAINDER OF AREA WITHIN 31N48W TO 27N65W TO 31N81W TO
23N80W TO 20N65W TO 22N58W TO 31N48W WINDS 20 KT OR LESS. SEAS 8
TO 9 FT IN NE SWELL.
.24 HOUR FORECAST COLD FRONT W OF AREA. WITHIN 29N72W TO 31N73W
TO 31N77W TO 29N80W TO 25N78W TO 27N72W TO 29N72W SE TO S WINDS
30 TO 35 KT. SEAS 9 TO 14 FT. ELSEWHERE WITHIN 31N64W TO 31N80W
TO 24N80W TO 22N64W TO 31N64W...INCLUDING STRAITS OF FLORIDA...
SE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN
31N64W TO 31N81W TO 24N80W TO 24N77W TO 20N64W TO 31N64W WINDS 20
KT OR LESS. SEAS 8 TO 9 FT IN E SWELL. WITHIN 31N49W TO 31N57W
TO 28N59W TO 31N64W TO 22N64W TO 22N58W TO 31N49W NE TO E WINDS
20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 31N48W TO 31N64W
TO 20N63W TO 22N56W TO 31N48W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN NE TO E SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N73W TO 22N78W. WITHIN
31N65W TO 31N68W TO 28N69W TO 27N68W TO 28N66W TO 29N65W TO
31N65W S WINDS 30 TO 35 KT. SEAS 12 TO 16 FT. ELSEWHERE WITHIN
31N58W TO 31N70W TO 23N74W TO 21N69W TO 23N62W TO 31N58W S WINDS
20 TO 30 KT. SEAS 9 TO 15 FT. REMAINDER OF AREA E OF FRONT WITHIN
31N46W TO 30N73W TO 23N75W TO 19N60W TO 31N46W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN E SWELL. W OF FRONT WITHIN 31N74W TO
31N81W TO 27N80W TO 23N80W TO 23N78W TO 27N78W TO 31N74W...
INCLUDING STRAITS OF FLORIDA...NW TO N WINDS 20 TO 30 KT. SEAS 8
TO 14 FT...HIGHEST N. ELSEWHERE W OF FRONT WITHIN 31N72W TO
31N81W TO 23N80W TO 22N78W TO 27N77W TO 26N75W TO 31N72W WINDS 20
KT OR LESS. SEAS 8 TO 11 FT IN E TO SE SWELL.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N35W TO 29N47W TO 21N48W TO 15N44W TO 14N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN E SWELL.
.24 HOUR FORECAST WITHIN 29N35W TO 26N45W TO 20N48W TO 14N39W TO
13N35W TO 29N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E
SWELL.
.48 HOUR FORECAST WITHIN 31N39W TO 30N45W TO 24N44W TO 23N41W TO
24N38W TO 31N39W E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE
WITHIN 31N35W TO 31N46W TO 21N45W TO 17N35W TO 31N35W WINDS 20 KT
OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL.

.ATLC WITHIN 31N43W TO 31N55W TO 28N56W TO 29N52W TO 29N47W TO
31N43W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW SWELL.
.24 HOUR FORECAST CONDITIONS MERGED WITH WARNING AREA TO THE W.

.CARIBBEAN WITHIN 13N74W TO 13N75W TO 12N77W TO 10N77W TO 11N74W
TO 11N73W TO 13N74W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 13N74W TO 13N76W TO 12N77W TO 10N77W TO
11N74W TO 11N73W TO 13N74W E WINDS 20 TO 25 KT. SEAS 8 FT.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.CARIBBEAN WITHIN 20N85W TO 22N86W TO 21N87W TO 18N88W TO 16N87W
TO 16N84W TO 20N85W...INCLUDING IN YUCATAN CHANNEL AND THE GULF
OF HONDURAS...SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 20N81W TO 22N81W TO 22N84W TO 16N86W TO
16N84W TO 18N83W TO 20N81W S WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.48 HOUR FORECAST WITHIN 21.5N85W TO 22N85.5W TO 21.5N86.5W TO
21N86.5W TO 21N86W TO 21N85W TO 21.5N85W...INCLUDING IN YUCATAN
CHANNEL... WINDS 20 KT OR LESS. SEAS 8 FT IN NW TO N SWELL.

.GULF OF MEXICO LOW PRES NEAR 26N85W 1005 MB WITH WARM FRONT
EXTENDING E TO 26N82W. COLD FRONT FROM 29.5N93W TO 27N97W. WARM
FRONT FROM 29.5N92W TO 26N92W TO 26N85W. WITHIN 29N83W TO 29N87W
TO 26N91W TO 23N87W TO 23N80W TO 29N83W...INCLUDING STRAITS OF
FLORIDA...SE TO S WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST COLD FRONT FROM 29N83W TO 21N89W. WITHIN
30N85W TO 30N90W TO 28N94W TO 26N93W TO 24N87W TO 25N85W TO
30N85W NW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST COLD FRONT E OF AREA. WITHIN 28N84W TO 25N88W
TO 21N87W TO 24N82W TO 28N84W...INCLUDING STRAITS OF FLORIDA AND
IN YUCATAN CHANNEL...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW
SWELL.

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


.FORECASTER HAGEN. NATIONAL HURRICANE CENTER.

$$


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