HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SAT MAR 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
FROM APRIL 1 TO OCTOBER 15, DUE TO CLIMATOLOGY OF THE NORTH
ATLANTIC, HIGH SEAS FORECASTS WILL ONCE AGAIN INCLUDE ALL
FORECASTS OF WINDS 20 TO 30 KNOTS AND SEAS 2.5 METERS OR
GREATER.
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 28.
24 HOUR FORECAST VALID 1200 UTC MAR 29.
48 HOUR FORECAST VALID 1200 UTC MAR 30.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN LOW 58N48W 957 MB MOVING NE 30 KT AND
SECOND LOW 60N42W 960 MB MOVING NE 25 KT. WITHIN 240 NM S AND SW
QUADRANTS OF MAIN LOW WINDS 50 TO 65 KT. SEAS 5.5 TO 11 M.
ELSEWHERE WITHIN 420 NM SW SEMICIRCLE OF MAIN LOW...AND N OF 62N
E OF GREENLAND WINDS 40 TO 55 KT. SEAS 3 TO 9.5 M. ELSEWHERE N
OF 49N OVER FORECAST WATERS AND N OF 44N AND E OF 44W WINDS 25
TO 40 KT. SEAS 3 TO 8.5 M.
.24 HOUR FORECAST LOW E OF AREA NEAR 63N25W 975 MB. FROM 56N TO
62N E OF 39W WINDS 40 TO 55 KT. SEAS 5.5 TO 9 M. ELSEWHERE N OF
54N E OF 50W WINDS 25 TO 40 KT. SEAS 3.5 TO 7.5 M.
.48 HOUR FORECAST LOW E OF AREA. FROM 59N TO 64N E OF 43W WINDS
25 TO 35 KT. SEAS 3 TO 5.5 M.
...GALE WARNING...
.LOW 39N61W 1013 MB MOVING E 15 KT AND DISSIPATING AFTER 24
HOURS. WITHIN 240 NM S AND SE QUADRANTS...AND FROM 31N TO 36N W
OF 72W WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 40N53W 1012 MB AND DISSIPATING WITHIN NEXT
24 HOURS. FRONT EXTENDS SW FROM LOW TO 31N60W. WITHIN 300 NM W
AND NW OF FRONT WINDS 25 TO 40 KT. SEAS TO 5 M.
.48 HOUR FORECAST NEW LOW 55N34W 1000 MB. FRONT EXTENDS SW FROM
LOW TO 40N40W TO 31N48W. E OF FRONT N OF 40N AND BETWEEN FRONT
AND 240 NM NW OF FRONT WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY FROM 46N TO 50N BETWEEN 56W
AND 62W...NW AND W OF A LINE FROM 47N52W TO 53N48W TO 61N59W TO
63N51W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N AND NW OF A
LINE FROM 42N70W TO 46N50W TO 53N47W TO 60N57W TO 62N50W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY FROM 45N TO
52N BETWEEN 49W AND 58W...AND W AND NW OF A LINE FROM 52N51W TO
58N52W TO 60N55W TO 63N52W. ELSEWHERE LIGHT TO MODERATE
FREEZING SPRAY N AND NW OF A LINE FROM 42N66W TO 52N39W TO
58N38W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W AND NW OF A
LINE FROM 60N56W TO 64N52W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N AND NW OF A LINE FROM 44N55W TO 50N45W TO 62N38W.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM W OF A LINE FROM
53N43W TO 58N43W TO 60N59W...AND W OF A LINE FROM 62N59W TO
66N55W.
.24 HOUR FORECAST DENSE FOG W OF A LINE FROM 59N54W TO 63N55W TO
64N52W AND WITHIN 180 NM NW OF A LINE FROM 43N50W TO 51N35W.
.48 HOUR FORECAST DENSE FOG FROM 52N TO 59N E OF 39W.
.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 SAT MAR 28.
24 HOUR FORECAST VALID 1200 UTC SUN MAR 29.
48 HOUR FORECAST VALID 1200 UTC MON MAR 30.
.WARNINGS.
...ATLC GALE WARNING...
.COLD FRONT FROM 31N78W TO 30N81W. N OF FRONT NW TO N WINDS 20
TO 30
KT. SEAS LESS THAN 2.5 M.
.03 HOUR FORECAST COLD FRONT FROM 31N75W TO 29N81W. N OF FRONT N
TO
NE WINDS 25 TO 35 KT. SEAS 2.5 TO 3 M.
.12 HOUR FORECAST COLD FRONT FROM 31N68W TO 28N80W. N OF FRONT N
TO
NE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M...EXCEPT 4 TO 5 M NW OF A
LINE
FROM 31N73W TO 29N80W.
.24 HOUR FORECAST COLD FRONT FROM 31N60W TO 27N80W. N OF FRONT N
TO
NE WINDS 20 TO 30 KT WITH FREQUENT GUSTS TO GALE FORCE. SEAS 2.5
TO
4.5 M.
.36 HOUR FORECAST COLD FRONT FROM 31N55W TO 21N75W. N OF FRONT N
TO
NE WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 31N50W TO 20N73W. N
OF
FRONT TO A LINE FROM 31N68W TO 29N80W NE TO E WINDS 20 TO 30 KT.
SEAS 3 TO 5 M. ELSEWHERE N OF FRONT WINDS 20 KT OR LESS. SEAS
2.5 TO
3.0 M IN NE SWELL.
.SYNOPSIS AND FORECAST.
.CARIBBEAN FROM 11N TO 13N BETWEEN 70W AND 77W...INCLUDING THE
GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT...EXCEPT 25 TO 30
KT
NEAR THE COAST OF COLOMBIA. SEAS 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST FROM 10N TO 15N BETWEEN 72W AND 78W NE TO E
WINDS
20 TO 25 KT. SEAS 2.5 TO 3 M.
.CARIBBEAN 12 HOUR FORECAST N OF 18N BETWEEN 73W AND
76W...INCLUDING
THE WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5
M.
FROM 18N TO 21N BETWEEN 78W AND 84W NE TO E WINDS 20 TO 25 KT.
SEAS
LESS THAN 2.5 M. FROM 16N TO 18N BETWEEN 70W AND 73W NE TO E
WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST N OF 18N BETWEEN 73W AND 76W...INCLUDING THE
WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
FROM
18N TO 21N BETWEEN 76W AND 82W NE TO E WINDS 20 TO 25 KT. SEAS
LESS
THAN 2.5 M. FROM 15N TO 18N BETWEEN 70W AND 76W NE TO E WINDS 20
TO
25 KT. SEAS LESS THAN 2.5 M.
.GULF OF AMERICA COLD FRONT FROM 29N83W TO 26N97W. N OF FRONT N
TO
NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST COLD FRONT FROM 28N80W TO 25N90W. N OF FRONT E
OF
87W NE TO E WINDS 20 TO 30 KT. SEAS BUILDING TO 2.5 M.
.24 HOUR FORECAST COLD FRONT FROM 27N80W TO 24N90W. N OF FRONT E
OF
89W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST COLD FRONT SE OF AREA. WINDS 20 KT OR LESS.
SEAS
LESS THAN 2.5 M.
.GULF OF AMERICA 12 HOUR FORECAST S OF 21N E OF 93W N WINDS 20
TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.