North Atlantic High Seas Forecast

FZNT01 KWBC 272132
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1800 UTC MAY 27. 
24 HOUR FORECAST VALID 1800 UTC MAY 28.
48 HOUR FORECAST VALID 1800 UTC MAY 29.

.WARNINGS.

....GALE WARNING...
.LOW 45N40W 996 MB MOVING NE 20 KT. WITHIN 600 NM SE AND 900 NM
SW QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M. ELSEWHERE
WITHIN 840 NM SE AND 1140 NM SW QUADRANTS WINDS TO 25 KT. SEAS
2.5 TO 4 M.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 47N39W
BELOW.

...GALE WARNING...
.COMPLEX LOW WITH MEAN CENTER 49N38W 991 MB MOVING SW 10 KT.
WITHIN 240 NM S AND 480 NM S SEMICIRCLES WINDS 25 TO 40 KT. SEAS
2.5 TO 4 M.
ELSEWHERE WITHIN 600 NM N SEMICIRCLE AND 300 NM SW QUADRANT WINDS
TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 47N39W 985 MB. WITHIN 1020 NM N
SEMICIRCLE...AND WITHIN 840 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 N AND 1140 NM S SEMICIRCLES WINDS 20 TO
30 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW E OF AREA NEAR 52N31W 996 MB. WITHIN 720 NM
NW QUADRANT WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. ELSEWHERE WITHIN
540 NM SW AND 840 NM NW QUADRANTS WINDS TO 25 KT. SEAS TO 3.5 M.

...GALE WARNING...
.24 HOUR FORECAST LOW 41N60W 999 MB. WITHIN 480 NM N
SEMICIRCLE...AND WITHIN 780 NM SE AND 900 NM SW QUADRANTS WINDS
20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 43N52W 979 MB. WITHIN 780 NM S
SEMICIRCLE...AND 600 NM NW AND 300 NM NE QUADRANTS WINDS 25 TO 40
KT. SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN 1020 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 65W
AND FROM 45N TO 56N E OF 44W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 50N BETWEEN 50W AND 55W.

.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 1800 UTC WED MAY 27.
24 HOUR FORECAST VALID 1800 UTC THU MAY 28.
48 HOUR FORECAST VALID 1800 UTC FRI MAY 29.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N35W TO 31N36W TO 30.5N36W TO 30N35.5W TO
29.5N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 M IN N SWELL. 
.24 HOUR FORECAST WITHIN 31N39W TO 31N44W TO 30N44W TO 30N41W TO
31N39W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW SWELL. 
.45 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.ATLC WITHIN 11N47W TO 09N52W TO 10N56W TO 09N57W TO 07N50W TO
09N50W TO 11N47W WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED E AND 
N SWELL. 
.24 HOUR FORECAST WITHIN 12N53W TO 13N54W TO 13N56W TO 
12N57W TO 09N57W TO 09N55W TO 12N53W WINDS 20 KT OR LESS. SEAS 
2.5 M IN MIXED E AND N SWELL. 
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.ATLC 36 HOUR FORECAST WITHIN 31N58.5W TO 31N68.5W TO 31N64W TO
30.5N59.5W TO 31N58.5W SW TO W WINDS 20 TO 25 KT. SEAS TO 2.5 M 
IN NW SWELL.
.48 HOUR FORECAST WITHIN 31N52W TO 31N61W TO 30N61W TO 29N58W TO
30N53W TO 31N52W SW TO W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M IN
NW SWELL. ELSEWHERE WITHIN 31N51W TO 30N61W TO 31N65W TO 30N66W 
TO 30N60W TO 29N57W TO 31N51W WINDS 20 KT OR LESS. SEAS 2.5 TO 
3.0 M IN NW SWELL.

.CARIBBEAN WITHIN 16N72W TO 18N79W TO 13N78W TO 12N77W TO 13N69W
TO 16N72W...INCLUDING THE GULF OF VENEZUELA...E WINDS 20 TO 30 
KT. SEAS 2.5 TO 4.0 M IN E SWELL. ELSEWHERE WITHIN 14N67W TO 
18N76W TO 17N83W TO 13N82W TO 10N78W TO 13N68W TO 
14N67W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN E SWELL.
.24 HOUR FORECAST WITHIN 13N70W TO 15N73W TO 15N77W TO 13N77W TO
12N77W TO 12N70W TO 13N70W...INCLUDING THE GULF OF VENEZUELA... 
E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M IN E SWELL. ELSEWHERE 
WITHIN 14N69W TO 18N75W TO 15N77W TO 17N81W TO 13N82W TO 10N77W 
TO 14N69W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN E SWELL.
.48 HOUR FORECAST WITHIN 13N71W TO 13N72W TO 13N73W TO 12N73W TO
12N72W TO 13N71W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 
M. WITHIN 14N72W TO 14N74W TO 13N77W TO 12N77W TO 12N76W TO 
14N72W WINDS 20 KT OR LESS. SEAS 2.5 M IN E SWELL.

.CARIBBEAN 03 HOUR FORECAST WITHIN 17N86W TO 18N87W TO 17N87W TO
16N87W TO 16N86W TO 16N85W 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 28N95W TO 27N96W TO 27N97W TO 26N97W TO
26N95W TO 27N95W TO 28N95W VARIABLE WINDS 20 TO 30 KT. CONFUSED 
SEAS TO 2.5 M. SCATTERED TSTORMS.
.12 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 STRIPLING. NATIONAL HURRICANE CENTER.

$$