HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC WED MAY 27 2026
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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 0000 UTC MAY 27.
24 HOUR FORECAST VALID 0000 UTC MAY 28.
48 HOUR FORECAST VALID 0000 UTC MAY 29.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 45N55W 1000 MB MOVING NE 25 KT.
FROM 39N TO 47N BETWEEN 45W AND 60W WINDS 25 TO 35 KT. SEAS 2.5
TO 5 M. ELSEWHERE FROM 33N TO 38N BETWEEN 60W AND 68W WINDS TO 25
KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 46N38W 989 MB. S OF 47N E OF 50W WINDS 25
TO 40 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 50N39W 985 MB. WITHIN 360 NM S QUADRANT
WINDS 25 TO 35 KT. SEAS 3 TO 6 M. ELSEWHERE N OF 50N E OF 51W
WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER E OF AREA 43N31W 995 MB MOVING NW
20 KT. FROM 37N TO 54N E OF 40W WINDS 25 TO 35 KT. SEAS 2.5 TO 5
M.
.24 HOUR FORECAST LOW 48N41W 989 MB. FROM 45N TO 53N BETWEEN 40W
AND 51W WINDS 25 TO 35 KT. SEAS 3 TO 6 M. ELSEWHERE FROM 45N TO
60N BETWEEN 35W AND 53W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 50N39W
DESCRIBED ABOVE.
.SYNOPSIS AND FORECAST.
.FROM 58N TO 60N E OF 45W AREA OF SW WINDS 20 TO 30 KT. SEAS TO
3 M.
.24 HOUR FORECAST N OF 58N E OF 45W AREA OF NE WINDS 20 TO 30 KT.
SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.24 HOUR FORECAST FROM 33N TO 37N W OF 65W WINDS TO 25 KT. SEAS
TO 2.5 M.
.48 HOUR FORECAST NEW LOW 44N60W 998 MB. S OF 47N BETWEEN 50W AND
74W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.DENSE FOG. VSBY OCCASIONALLY LESS WITHIN 180 NM NW OF A LINE
FROM 36N73W TO 42N60W AND WITHIN 60 NM NE OF A LINE FROM 45N55W
TO 42N53W.
.24 HOUR FORECAST DENSE FOG FROM 38N TO 42N W OF 68W AND FROM 50N
TO 55N E OF 40W.
.48 HOUR FORECAST DENSE FOG W OF A LINE FROM 61N60W TO 54N55W AND
FROM 52N TO 55N E OF 38W.
.FORECASTER KREKELER. OCEAN PREDICTION CENTER.
NWS NATIONAL HURRICANE CENTER MIAMI FL
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA
SYNOPSIS VALID 0000 UTC WED MAY 27.
24 HOUR FORECAST VALID 0000 UTC THU MAY 28.
48 HOUR FORECAST VALID 0000 UTC FRI MAY 29.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 11N54W TO 11N56W TO 15N61W TO 11N60W TO 08N54W TO
09N51W TO 11N54W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E
SWELL.
.24 HOUR FORECAST WITHIN 10N52W TO 11N55W TO 11N58W TO 09N57W TO
08N52W TO 09N51W TO 10N52W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN E SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.ATLC WEAKENING STATIONARY FRONT FROM 25N35W TO 24N41W. WITHIN
31N35W TO 31N43W TO 30N42W TO 30N39W TO 29N38W TO 30N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST STATIONARY FRONT DISSIPATED. CONDITIONS
IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.42 HOUR FORECAST WITHIN 31N40.5W TO 31N43W TO 30N43.5W TO
30N42W TO 30.5N40.5W TO 31N40.5W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW SWELL.
.48 HOUR FORECAST LITTLE CHANGE.
.ATLC WITHIN 21N70W TO 22N72W TO 22N74W TO 20N74W TO 20N72W TO
20N70W TO 21N70W...INCLUDING WATERS NEAR WINDWARD PASSAGE...E
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN E SWELL. ELSEWHERE WITHIN
24N70W TO 25N73W TO 23N74W TO 20N69W TO 20N67W TO 22N68W TO
24N70W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E TO SE SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.18 HOUR FORECAST WITHIN 21N71W TO 20.5N72.5W TO 20N72.5W TO
20N71W TO 21N71W...INCLUDING WATERS N OF HISPANIOLA...E WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.CARIBBEAN WITHIN 18N72W TO 19N78W TO 13N79W TO 11N75W TO 11N64W
TO 18N72W...INCLUDING WATERS BETWEEN CUBA AND JAMAICA...AND GULF
OF VENEZUELA...E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE
WITHIN 17N78W TO 17N80W TO 13N82W TO 11N80W TO 11N75W TO 13N79W
TO 17N78W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.
.24 HOUR FORECAST WITHIN 14N68W TO 16N72W TO 16N78W TO 13N78W TO
11N72W TO 12N68W TO 14N68W...INCLUDING WATERS BETWEEN CUBA AND
JAMAICA...AND GULF OF VENEZUELA...E WINDS 20 TO 30 KT. SEAS 2.5
TO 3.5 M. ELSEWHERE WITHIN 15N70W TO 18N75W TO 15N78W TO 17N80W
TO 13N82W TO 11N75W TO 15N70W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN E SWELL.
.48 HOUR FORECAST WITHIN 14N69W TO 15N73W TO 12N75W TO 11N72W TO
12N66W TO 14N69W...INCLUDING GULF OF VENEZUELA...E WINDS 20 TO
30 KT. SEAS NEAR 2.5 M IN E SWELL. ELSEWHERE WITHIN 15N71W TO
17N77W TO 16N81W TO 13N82W TO 11N77W TO 14N74W TO 15N71W WINDS 20
KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.
.CARIBBEAN WITHIN 17N85W TO 18N86W TO 18N87W TO 16N87W TO 16N85W
TO 17N85W...INCLUDING GULF OF HONDURAS...E WINDS 20 TO 25 KT.
SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST CONDITIONS IMPROVE. 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 CHAN. NATIONAL HURRICANE CENTER.
$$