High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 121020
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE MAR 12 2024

CCODE/1:31:04:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

SECURITE

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

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0600 UTC MAR 12.
24 HOUR FORECAST VALID 0600 UTC MAR 13.
48 HOUR FORECAST VALID 0600 UTC MAR 14.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH FIRST LOW 45N61W 978 MB MOVING NE 05 KT AND
SECOND LOW 45N49W 984 MB MOVING NE 15 KT. BETWEEN 180 NM AND 420
NM NE...120 NM AND 780 NM SE AND SW QUADRANTS OF FIRST LOW AND
WITHIN 240 NM N AND NE OF A FRONT FROM 47N53W TO THE SECOND LOW
AND WITHIN 180 NM NE AND E OF FRONT FROM THE SECOND LOW TO 40N45W
TO 35N46W TO 31N51W WINDS 35 TO 50 KT. SEAS 14 TO 27 FT...HIGHEST
SW QUADRANT OF FIRST LOW. ELSEWHERE WITHIN 540 NM NW...360 NM
NE...E AND 840 NM SE QUADRANTS OF SECOND LOW AND WITHIN 960 NM
SE...840 NM SW AND 300 NM W QUADRANTS OF FIRST LOW WINDS 25 TO 35
KT. SEAS 9 TO 20 FT...HIGHEST SW QUADRANT OF FIRST LOW. SEAS TO
10 FT
IN THE GULF OF SAINT LAWRENCE.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST LOW 45N57W 987 MB AND
SECOND LOW 47N40W 977 MB. FROM 45N TO 48N BETWEEN 40W AND 44W
WINDS 40 TO 50 KT. SEAS 18 TO 26 FT. ELSEWHERE BETWEEN 180 NM AND
600 NM NE SEMICIRCLE OF SECOND LOW AND WITHIN 420 NM S AND SW OF
A LINE FROM 40N43W TO 40N53W TO 43N63W WINDS 30 TO 45 KT. SEAS 13
TO 26 FT. ELSEWHERE WITHIN 300 NM N...BETWEEN 240 NM AND 1080 NM
SE...120 NM AND 780 NM SW AND WITHIN 300 NM W QUADRANTS OF FIRST
LOW AND WITHIN 660 NM NW...300 NM NE AND 780 NM SE QUADRANTS OF
SECOND LOW WINDS 25 TO 35 KT. SEAS 8 TO 20 FT...HIGHEST SW
QUADRANT OF FIRST LOW.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 46N47W 980 MB. WITHIN
300 NM NW SEMICIRCLE OF MAIN LOW AND WITHIN 360 NM SE OF A LINE
FROM 42N39W TO 37N54W WINDS 30 TO 45 KT. SEAS 14 TO 27
FT...HIGHEST FROM 35N TO 39N BETWEEN 45W AND 50W.

...GALE WARNING...
.LOW E OF AREA NEAR 60N26W 999 MB MOVING E 15 KT. N OF 60N E OF
GREENLAND AND FROM 55N TO 60N BETWEEN 45W AND 35W WINDS 20 TO 30
KT. SEAS 8 TO 12 FT...HIGHEST NEAR 56N35W.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF THE AREA.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY NW AND N OF A LINE FROM 58N59W
TO 63N51W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 65N W OF
GREENLAND. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 60N W
OF GREENLAND.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF
GREENLAND.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 46N
BETWEEN 59W AND 62W AND WITHIN 180 NM N AND NE OF A LINE FROM
50N64W TO 48N59W...INCLUDING THE GULF OF SAINT LAWRENCE.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 45N BETWEEN 57W AND 60W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 46N BETWEEN 45W AND 52W
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 0600 UTC TUE MAR 12.
24 HOUR FORECAST VALID 0600 UTC WED MAR 13.
48 HOUR FORECAST VALID 0600 UTC THU MAR 14.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.CARIBBEAN WITHIN 12N74W TO 12N75W TO 12N76W TO 11N76W TO 11N75W
TO 12N74W NE TO E WINDS 30 TO 40 KT. SEAS 8 TO 12 FT. ELSEWHERE
WITHIN 14N74W TO 13N78W TO 11N80W TO 09N78W TO 11N75W TO 11N73W
TO 14N74W NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. WITHIN 13N71W TO
12N71W TO 11N72W TO 10N72W TO 11N71W TO 11N70W TO
13N71W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST LITTLE CHANGE EXCEPT WINDS BELOW GALE FORCE.
.18 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 12N76W TO 11N76W TO
11N75W TO 11N74W TO 12N74W NE TO E WINDS 30 TO 35 KT. SEAS 8 TO
10 FT. ELSEWHERE WITHIN 15N73W TO 15N76W TO 12N79W TO 10N80W TO
10N76W TO 12N72W TO 15N73W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO
10 FT. WITHIN 13N70W TO 14N72W TO 12N72W TO 12N71W TO 11N72W TO
12N70W TO 13N70W...INCLUDING THE GULF OF VENEZUELA... E WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 12N76W TO 11N76W TO
11N75W TO 11N74W TO 12N74W NE TO E WINDS 30 TO 35 KT. SEAS 9 TO
12 FT. ELSEWHERE WITHIN 15N73W TO 15N76W TO 12N79W TO 10N80W TO
10N76W TO 12N72W TO 15N73W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO
10 FT. WITHIN 13N70W TO 14N72W TO 12N72W TO 12N71W TO 11N72W TO
12N70W TO 13N70W...INCLUDING THE GULF OF VENEZUELA... E WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST LITTLE CHANGE EXCEPT WINDS BELOW GALE FORCE.
.42 HOUR FORECAST WITHIN 11.5N74W TO 12N74.5W TO 12N75W TO
11N75W TO 11N74.5W TO 11N74W TO 11.5N74W NE WINDS 30 TO 35 KT.
SEAS 8 TO 10 FT. ELSEWHERE WITHIN 14N75W TO 14N78W TO 11N79W TO
10N79W TO 10N76W TO 12N72W TO 14N75W NE WINDS 20 TO 30 KT. SEAS 8
TO 9 FT. WITHIN 13N70W TO 14N73W TO 14N74W TO 11N72W TO 11N71W
TO 12N69W TO 13N70W...INCLUDING THE GULF OF VENEZUELA... NE TO E
WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 11.5N74.5W TO 12N74.5W TO 12N75.5W TO
11.5N75.5W TO 11N75W TO 11N74.5W TO 11.5N74.5W NE TO E WINDS 30
TO 35 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 14N72W TO 15N74W TO
15N78W TO 12N79W TO 10N77W TO 12N72W TO 14N72W NE TO E WINDS 20
TO 30 KT. SEAS 8 TO 10 FT. WITHIN 14N69W TO 14N70W TO 13N72W TO
12N71W TO 11N72W TO 11N69W TO 14N69W...INCLUDING THE GULF OF
VENEZUELA... E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N49W TO 21N76W. WITHIN 31N45W TO 31N50W
TO 27N54W TO 27N52W TO 31N45W SW TO W WINDS 20 TO 30 KT. SEAS 9
TO 12 FT. WITHIN 31N49W TO 31N68W TO 28N60W TO 28N56W TO 31N49W W
TO NW WINDS 20 TO 30 KT. SEAS 13 TO 19 FT. ELSEWHERE WITHIN
31N35W TO 28N57W TO 31N75W TO 25N58W TO 18N55W TO 20N43W TO
31N35W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN NW SWELL...HIGHEST
N OF LINE 30N72W TO 27N64W TO 30N51W.
.24 HOUR FORECAST COLD FRONT FROM 31N39W TO 22N56W THEN
STATIONARY TO 20N73W. WITHIN 31N46W TO 31N62W TO 30N61W TO
29N56W TO 29N53W TO 31N46W W WINDS 20 TO 25 KT. SEAS 14 TO 18 FT.
ELSEWHERE WITHIN 31N35W TO 31N69W TO 22N71W TO 20N67W TO 22N55W
TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN NW
SWELL...HIGHEST N OF LINE 30N64W TO 24N58W TO 30N43W.
.48 HOUR FORECAST DISSIPATING COLD FRONT FROM 27N35W TO 22N53W
THEN DISSIPATING STATIONARY TO 20N73W. WITHIN 31N45W TO 31N56W
TO 30N53W TO 30N47W TO 31N45W W WINDS 20 TO 25 KT. SEAS 14 TO 18
FT. ELSEWHERE WITHIN 27N36W TO 31N35W TO 31N64W TO 18N62W TO
15N59W TO 17N50W TO 27N36W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT
IN NW SWELL...HIGHEST N OF LINE 30N59W TO 25N47W TO 30N36W.

.ATLC 42 HOUR FORECAST WITHIN 11N39W TO 12N42W TO 11N43W TO
07N45W TO 07N37W TO 11N39W WINDS 20 KT OR LESS. SEAS 8 FT IN N
SWELL.
.48 HOUR FORECAST WITHIN 11N39W TO 12N42W TO 11N43W TO 07N45W TO
07N37W TO 11N39W WINDS 20 KT OR LESS. SEAS 8 FT IN N SWELL.

.CARIBBEAN 42 HOUR FORECAST WITHIN 18N83W TO 19N84W TO 19N86W TO
18N88W TO 16N87W TO 16N85W TO 18N83W...INCLUDING THE GULF OF
HONDURAS... E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 18N83W TO 19N84W TO 19N86W TO 18N88W TO
16N87W TO 16N85W TO 18N83W...INCLUDING THE GULF OF HONDURAS... E
TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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


.FORECASTER AL. NATIONAL HURRICANE CENTER.

$$


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