HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC WED MAR 04 2026
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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
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 04.
24 HOUR FORECAST VALID 1200 UTC MAR 05.
48 HOUR FORECAST VALID 1200 UTC MAR 06.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.LOW 45N61W 1017 MB MOVING NE 45 KT AND RAPIDLY INTENSIFYING.
WITHIN 360 NM S AND 300 NM SE QUADRANTS WINDS 30 TO 45 KT. SEAS
TO 4 M.
.06 HOUR FORECAST LOW 47N54W 1000 MB. WITHIN 240 NM S AND SE
QUADRANTS WINDS 35 TO 50 KT. SEAS 3.5 TO 6 M.
.24 HOUR FORECAST LOW 55N39W 976 MB. WITHIN 300 NM S AND SE
QUADRANTS WINDS 45 TO 60 KT. SEAS 4.5 TO 8 M. ELSEWHERE FROM 47N
TO 55N E OF 56W WINDS 30 TO 45 KT. SEAS 2.5 TO 6.5 M. ELSEWHERE
FROM 44N TO 56N E OF 62W...AND WITHIN 240 NM SE OF FRONT FROM
48N35W TO 42N48W WINDS 25 TO 35 KT. SEAS 2.5 TO 7 M.
.30 HOUR FORECAST LOW 58N35W 964 MB. WITHIN 180 NM S SEMICIRCLE
WINDS 50 TO 65 KT. SEAS 6 TO 9 M.
.48 HOUR FORECAST LOW AND CONDITIONS MOVED E OF AREA.
...STORM WARNING...
.24 HOUR FORECAST NEW LOW 58N51W 984 MB. WITHIN FROM 55N TO 60N
W OF 50W WINDS 30 TO 45 KT. SEAS 3 TO 5 M.
.30 HOUR FORECAST LOW 55N51W 988 MB. FROM 53N TO 58N BETWEEN 51W
AND 55W WINDS 35 TO 50 KT. SEAS 6 TO 8 M.
.48 HOUR FORECAST LOW E OF AREA 52N33W 996 MB. FROM 47N TO 62N W
OF 35W AND N OF 62N W OF GREENLAND WINDS 30 TO 45 KT. SEAS 3 TO
7 M.
...GALE WARNING...
.LOW 63N40W 976 MB NEARLY STATIONARY. FROM 47N TO 64N E OF 46W
WINDS 25 TO 40 KT. SEAS 3.5 TO 7 M.
.24 HOUR FORECAST LOW 62N42W 973 MB. N OF 60N E OF 42W WINDS 20
TO 30 KT. SEAS 3.5 TO 5 M.
.30 HOUR FORECAST LOW DISSIPATED INLAND GREENLAND WITH
CONDITIONS DIMINISHED.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY W OF A LINE FROM 51N50W TO
56N49W TO 60N56W TO 65N53W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N OF 49N W OF 46W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND W OF A
LINE FROM 45N62W TO 48N50W TO 55N48W TO 58N55W TO 62N58W...AND N
OF 64N W OF GREENLAND. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N AND W OF A LINE FROM 43N68W TO 45N57W TO 49N47W TO
59N41W TO 60N44W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY FROM 45N TO
55N BETWEEN 47W AND 62W...AND W AND NW OF A LINE FROM 55N51W TO
60N52W TO 60N47W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N
OF 43N BETWEEN 70W AND 42W.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 47N TO 51N W
OF 48W...FROM 43N TO 48N BETWEEN 54W AND 64W...FROM 60N TO 63N W
OF 56W...AND N OF 65N W OF 56W.
.24 HOUR FORECAST DENSE FOG FROM 52N TO 58N W OF 49W...FROM 54N
TO 57N E OF 46W...AND FROM 35N TO 39N W OF 73W.
.48 HOUR FORECAST DENSE FOG FROM 40N TO 44N W OF 65W...AND N OF
58N W OF 55W.
.FORECASTER ROWLAND. OCEAN PREDICTION CENTER.
NATIONAL HURRICANE CENTER MIAMI FL
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA
SYNOPSIS VALID 1200 UTC WED MAR 4.
24 HOUR FORECAST VALID 1200 UTC THU MAR 5.
48 HOUR FORECAST VALID 1200 UTC FRI MAR 6.
.WARNINGS.
...CARIBBEAN GALE WARNING...
.CARIBBEAN WITHIN 16N68W TO 18N73W TO 15N78W TO 10N77W TO 12N72W
TO 13N67W TO 16N68W...INCLUDING IN MONA PASSAGE AND THE GULF OF
VENEZUELA... E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M.
.15 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 11N75W TO 11N74W TO
12N74W NE TO E WINDS 30 TO 35 KT. SEAS 2.5 TO 4.0 M. ELSEWHERE
WITHIN 14N69W TO 18N72W TO 16N79W TO 12N80W TO 10N77W TO 11N71W
TO 14N69W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 16N68W TO 18N70W TO 18N73W TO 16N76W TO
11N77W TO 12N69W TO 16N68W E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0
M. ELSEWHERE WITHIN 17N75W TO 17N77W TO 15N80W TO 12N81W TO
10N78W TO 13N77W TO 17N75W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN E SWELL.
.39 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 2.5 TO
4.0 M. ELSEWHERE WITHIN 17N70W TO 18N72W TO 16N79W TO 12N80W TO
11N78W TO 12N69W TO 17N70W NE TO E WINDS 20 TO 30 KT. SEAS 2.5
TO 3.0 M.
.48 HOUR FORECAST WITHIN 18N70W TO 18N73W TO 15N80W TO 11N80W TO
10N76W TO 14N69W TO 18N70W NE TO E WINDS 20 TO 30 KT. SEAS 2.5
TO 3.5 M.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N48W TO 31N72W TO 26N71W TO 27N66W TO 27N58W TO
31N48W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N41W TO 30N38W TO 29N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.48 HOUR FORECAST CONDITIONS MERGED.
.ATLC WITHIN 27N35W TO 22N64W TO 07N58W TO 07N35W TO
27N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES AND
ATLANTIC EXPOSURES... NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5
M.
.24 HOUR FORECAST WITHIN 26N35W TO 26N41W TO 22N48W TO 13N49W TO
09N42W TO 09N35W TO 26N35W NE TO E WINDS 20 TO 25 KT. SEAS 2.5
TO 3.5 M. ELSEWHERE WITHIN 26N35W TO 29N45W TO 23N72W TO 17N62W
TO 06N53W TO 07N35W TO 26N35W...INCLUDING IN ATLANTIC EXPOSURES
AND PASSAGES... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E
SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 22N55W TO 23N73W TO 06N53W TO
07N35W TO 31N35W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES... NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.ATLC AND CARIBBEAN WITHIN 21N72W TO 21N74W TO 20N75W TO 19N75W
TO 19N74W TO 20N73W TO 21N72W NE TO E WINDS 20 TO 25 KT. SEAS
2.5 M.
.24 HOUR FORECAST WITHIN 21N73W TO 21N74W TO 20N74W TO 20N73W TO
21N73W E WINDS 20 TO 25 KT. SEAS 2.5 M.
.48 HOUR FORECAST WITHIN 21N73W TO 21N74W TO 20N74W TO 20N73W TO
21N73W E WINDS 20 TO 25 KT. SEAS 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.