HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAY 27.
24 HOUR FORECAST VALID 1200 UTC MAY 28.
48 HOUR FORECAST VALID 1200 UTC MAY 29.
.WARNINGS.
....GALE WARNING...
.COMPLEX LOW WITH MEAN CENTER 43N45W 996 MB MOVING NE 15 KT.
WITHIN 300 NM NW...180 NM NE...660 NM SE AND 780 NM SW QUADRANT
WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. ELSEWHERE WITHIN 600 NM
NW...240 NM NE...720 NM SE AND 960 NM SW QUADRANTS WINDS TO 25
KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 46N39W
BELOW.
...GALE WARNING...
.COMPLEX LOW WITH MEAN CENTER 49N36W 995 MB MOVING SW 10 KT.
WITHIN 240 NM S SEMICIRCLE AND 480 NM NW QUADRANT WINDS 25 TO 40
KT. SEAS 2.5 TO 4 M.
ELSEWHERE WITHIN 540 NM NW AND 300 NM SW QUADRANTS WINDS TO 25
KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 46N39W 984 MB. WITHIN 1020 NM NW...420 NM
NE...780 NM SE AND 540 NM SW QUADRANTS WINDS 30 TO 45 KT. SEAS 3
TO 6 M...HIGHEST IN SE AND SW QUADRANTS. ELSEWHERE WITHIN 1080 NM
NW...840 NM SE AND 960 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS
2.5 TO 5 M.
.48 HOUR FORECAST LOW E OF AREA NEAR 52N33W. WITHIN 720 NM W
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. ELSEWHERE WITHIN
840 NM W SEMICIRCLE WINDS TO 25 KT. SEAS TO 3.5 M.
...GALE WARNING...
.24 HOUR FORECAST LOW 44N61W 1003 MB. WITHIN 360 NM NE...840 NM
NE AND 1080 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 43N55W 990 MB. WITHIN 720 NM S
SEMICIRCLE...AND 480 NM NW AND 300 NM NE QUADRANTS WINDS 25 TO 40
KT. SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN 960 NM S SEMICIRCLE...AND
660 NM NW AND 360 NM NE QUADRANTS WINDS TO 25 KT. SEAS 2.5 TO 4
M.
.SYNOPSIS AND FORECAST.
.24 HOUR FORECAST N OF 65N W OF THE W COAST OF GREENLAND WINDS TO
25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 37N TO 40N
BETWEEN 70W AND 75W AND FROM 48N TO 55N E OF 40W.
.24 HOUR FORECAST DENSE FOG FROM 40N TO 45N BETWEEN 60W AND 70W
AND FROM 45N TO 56N E OF 44W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 48N BETWEEN 50W AND 60W
AND FROM 51N TO 55N E OF 40W.
.FORECASTER HOLLEY. 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 1200 UTC WED MAY 27.
24 HOUR FORECAST VALID 1200 UTC THU MAY 28.
48 HOUR FORECAST VALID 1200 UTC FRI MAY 29.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 11N47W TO 11N53W TO 13N59W TO 11N60W TO 08N57W TO
07N47W TO 11N47W...INCLUDING ATLANTIC EXPOSURES... WINDS 20 KT
OR LESS. SEAS 2.5 M IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 14N48W TO 13N53W TO 14N61W TO 11N60W TO
09N52W TO 11N54W TO 14N48W...INCLUDING ATLANTIC EXPOSURES...
WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED N AND E SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.ATLC WITHIN 31N35W TO 31N38W TO 30N36W TO 30N35W TO 31N35W
WINDS 20 KT OR LESS. SEAS 2.5 M IN N SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.ATLC 33 HOUR FORECAST WITHIN 31N41W TO 31N43W TO 30.5N42.5W TO
30.5N43.5W TO 30.5N42W TO 31N41W WINDS 20 KT OR LESS. SEAS 2.5 M
IN NW SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.ATLC 42 HOUR FORECAST WITHIN 31N59W TO 31N64.5W TO 30.5N62.5W
TO 30.5N61.5W TO 31N59W SW TO W WINDS 20 TO 25 KT. SEAS TO 2.5
M IN NW SWELL.
.48 HOUR FORECAST WITHIN 31N54W TO 31N63W TO 30.5N60.5W TO
30N58W TO 31N54W SW TO W WINDS 20 TO 25 KT. SEAS TO 2.5 M IN NW
SWELL.
.CARIBBEAN WITHIN 18N72W TO 17N79W TO 14N79W TO 11N76W TO 12N73W
TO 11N67W TO 18N72W...INCLUDING THE GULF OF VENEZUELA...E WINDS
20 TO 30 KT. SEAS 2.5 TO 4.0 M IN E SWELL. ELSEWHERE WITHIN
14N68W TO 18N72W TO 17N80W TO 13N82W TO 11N77W TO 11N67W TO
14N68W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN E SWELL.
.24 HOUR FORECAST WITHIN 14N71W TO 16N73W TO 16N78W TO 13N78W TO
11N76W TO 12N69W TO 14N71W...INCLUDING THE GULF OF VENEZUELA...
E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M IN E SWELL. ELSEWHERE
WITHIN 18N73W TO 18N80W TO 13N82W TO 11N81W TO 10N76W TO 13N68W
TO 18N73W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN E SWELL.
.48 HOUR FORECAST WITHIN 14N70W TO 15N73W TO 14N75W TO 12N75W TO
13N73W TO 12N70W TO 14N70W...INCLUDING THE GULF OF VENEZUELA...
E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN E SWELL. ELSEWHERE
WITHIN 17N74W TO 17N79W TO 15N81W TO 12N81W TO 11N75W TO 13N69W
TO 17N74W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.
.CARIBBEAN 12 HOUR FORECAST WITHIN 17N86W TO 17N87W TO 16N87W TO
17N86W TO 16N86W TO 17N86W...INCLUDING THE GULF OF HONDURAS... E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.GULF OF AMERICA WITHIN 29N95W TO 29N96W TO 28N97W TO 28N96W TO
29N95W NW TO N WINDS 20 TO 30 KT. SEAS TO 2.5 M IN SE SWELL.
SCATTERED TSTORMS.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.GULF OF AMERICA 12 HOUR FORECAST WITHIN 22N88W TO 23N88W TO
23N89W TO 20N91W TO 22N88W...INCLUDING WITHIN 60 NM OF COAST OF
CAMPECHE...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M IN E SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.
$$