High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 120420
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MAR 12.
24 HOUR FORECAST VALID 0000 UTC MAR 13.
48 HOUR FORECAST VALID 0000 UTC MAR 14.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH FIRST LOW 45N63W 977 MB MOVING SE 10 KT AND
SECOND LOW 43N51W 985 MB MOVING NE 20 KT.  WITHIN 300 NM NE OF A
FRONT FROM 48N61W TO 46N55W TO THE SECOND LOW...WITHIN 240 NM E
AND SE OF FRONT FROM SECOND LOW TO 33N51W AND BETWEEN 240 AND 780
NM SE AND BETWEEN 120 NM AND 720 NM SW QUADRANTS OF FIRST LOW
WINDS 35 TO 50 KT. SEAS 14 TO 27 FT...HIGHEST NEAR 36N67W.
ELSEWHERE WITHIN 720 NM NW...540 NM N...360 NM E AND 660 NM S
QUADRANTS OF SECOND LOW AND WITHIN 960 NM SE AND 840 NM SW
QUADRANTS OF FIRST LOW WINDS 25 TO 35 KT. SEAS 8 TO 19
FT...HIGHEST SW QUADRANT.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST LOW 45N57W 980 MB AND
SECOND LOW 46N42W 980 MB. BETWEEN 240 NM AND 420 NM NW QUADRANT
OF FIRST LOW...WITHIN 240 NM N AND NE OF A FRONT FROM 49N54W TO
THE SECOND LOW TO 44N36W...BETWEEN 300 NM AND 780 NM SE...180 NM
AND 660 NM S AND 180 NM AND 720 NM SW QUADRANTS OF FIRST LOW
WINDS 30 TO 45 KT. SEAS 13 TO 26 FT...HIGHEST SW QUADRANT OF
FIRST LOW. ELSEWHERE FROM 31N TO 53N BETWEEN 35W AND 71W WINDS 25
TO 35 KT. SEAS 8 TO 18 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 46N49W 977 MB. WITHIN
240 NM NW SEMICIRCLE AND FROM 34N TO 40N BETWEEN 40W AND 60W
WINDS 35 TO 50 KT. SEAS 15 TO 30 FT....HIGHEST FROM 35N TO 40N
BETWEEN 44W AND 54W. ELSEWHERE FROM 31N TO 53N BETWEEN 35W AND
62W WINDS 25 TO 35 KT. SEAS 9 TO 18 FT.

...GALE WARNING...
.LOW E OF AREA NEAR 55N33W 998 MB MOVING SE 15 KT. N OF 60N E OF
GREENLAND AND FROM 51N TO 60N BETWEEN 45W AND 35W WINDS 20 TO 30
KT. SEAS 8 TO 14 FT...HIGHEST NEAR 55N35W.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF THE AREA.

...GALE WARNING...
.LOW E OF THE AREA 42N30W 999 MB MOVING NE 25 KT. FROM 40N TO 48N
E OF 39W SEAS 9 TO 17 FT IN MIXED SWELL.
.24 HOUR FORECAST LOW E OF AREA AND CONDITIONS DESCRIBED ABOVE
WITH LOW 46N42W.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 64N W OF GREENLAND.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF 51W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF
GREENLAND.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF
46W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N W OF
60W...INCLUDING THE GULF OF SAINT LAWRENCE.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 46N BETWEEN 57W AND
63W...N OF 46N W OF 60W IN THE GULF OF SAINT LAWRENCE AND FROM
56N TO 59N W OF 55W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 49N BETWEEN 46W AND 55W
AND N OF 63N 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 0000 UTC TUE MAR 12.
24 HOUR FORECAST VALID 0000 UTC WED MAR 13.
48 HOUR FORECAST VALID 0000 UTC THU MAR 14.

.WARNINGS.

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

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N53W TO 21N76W. WITHIN 30N50W TO 31N49W
TO 31N55W TO 27N59W TO 27N54W TO 30N50W SW TO W WINDS 20 TO 30
KT. SEAS 9 TO 12 FT. WITHIN 31N55W TO 31N71W TO 29N68W TO 28N64W
TO 28N60W TO 31N55W W TO NW WINDS 20 TO 30 KT. SEAS 12 TO 17 FT.
ELSEWHERE WITHIN 31N35W TO 29N59W TO 31N77W TO 26N74W TO 20N54W
TO 26N36W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW
SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N39W TO 22N56W THEN
STATIONARY TO 20N74W. WITHIN 31N44W TO 31N63W TO 29N59W TO 29N52W
TO 31N44W W TO NW WINDS 20 TO 25 KT. SEAS 13 TO 19 FT. ELSEWHERE
WITHIN 31N35W TO 31N71W TO 24N73W TO 22N61W TO 25N51W TO 24N36W
TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN NW
SWELL...HIGHEST N OF LINE 30N66W TO 25N60W TO 30N45W.
.48 HOUR FORECAST DISSIPATING COLD FRONT FROM 28N35W TO 22N51W
THEN DISSIPATING STATIONARY TO 20N74W. WITHIN 31N46W TO 31N58W TO
30N55W TO 30N49W TO 31N46W W WINDS 20 TO 25 KT. SEAS 14 TO 18
FT. ELSEWHERE WITHIN 31N35W TO 31N64W TO 21N66W TO 17N61W TO
22N44W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN NW
SWELL...HIGHEST N OF LINE 30N60W TO 25N48W TO 30N38W.

.CARIBBEAN 48 HOUR FORECAST WITHIN 18N84W TO 19N86W TO 18N88W TO
16N88W TO 17N86W TO 16N84W TO 18N84W...INCLUDING THE GULF OF
HONDURAS... E WINDS 20 TO 30 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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