North Atlantic High Seas Forecast

FZNT01 KWBC 120401
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
0430 UTC TUE MAY 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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). 

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 12. 
24 HOUR FORECAST VALID 0000 UTC MAY 13. 
48 HOUR FORECAST VALID 0000 UTC MAY 14. 

.WARNINGS. 

...GALE WARNING... 
.LOW 60N61W 998 MB MOVING NE 10 KT. WITHIN 90 NM NE AND E OF A 
LINE FROM 64N54W TO 61N50W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. 
ELSEWHERE FROM 52N TO 66N BETWEEN 46W AND 56W WINDS 20 TO 30 KT. 
SEAS TO 3.5 M...HIGHEST NEAR 56N53W.
.24 HOUR FORECAST LOW 64N58W 1000 MB. N OF 61N BETWEEN 49W AND 
56W AND WITHIN 300 NM S QUADRANT WINDS 20 TO 30 KT. SEAS 2.5 TO 
4 M.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. 

...GALE WARNING... 
.COMPLEX LOW WITH MAIN LOW E OF AREA NEAR 65N24W 993 MB MOVING 
SE 25 KT AND SECOND LOW 61N42W 1012 MB MOVING NE 05 KT. N OF 59N 
E OF 39W AND WITHIN 180 NM SE AND S QUADRANTS OF SECOND LOW 
WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M...HIGHEST NEAR 35W. 
ELSEWHERE N OF 56N E OF 44W WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST MAIN LOW WELL E OF THE AREA AND SECOND LOW 
63N38W 1013 MB. N OF 59N E OF 43W WINDS LESS THAN 25 KT. SEAS TO 
2.5 M. 
.48 HOUR FORECAST CONDITIONS DIMINISHED. 

...GALE WARNING... 
.LOW 42N63W 1012 MB MOVING NE 20 KT. FRONT EXTENDS FROM LOW TO 
36N70W TO 33N75W. WITHIN 240 NM W OF FRONT S OF 39N WINDS 20 TO 
30 KT. SEAS TO 3 M. 
.12 HOUR FORECAST LOW 44N60W 1006 MB. FRONT TO EXTEND FROM LOW 
TO 38N66W TO 36N69W. WITHIN 180 NM W AND NW OF FRONT S OF 39N 
WINDS 25 TO 35 KT. SEAS TO 3.5 M
.24 HOUR FORECAST LOW 48N58W 1001 MB. WITHIN 360 NM SE QUADRANT 
E OF 54W AND FROM 37N TO 41N BETWEEN 58W AND 64W WINDS 25 TO 35 
KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 780 NM E AND SE AND 900 
NM S QUADRANTS WINDS 20 TO 30 KT. SEAS TO 4 M...HIGHEST NEAR 
41N50W.
.48 HOUR FORECAST LOW 54N54W 993 MB. FRONT TO EXTEND FROM 54N48W 
TO 45N42W TO 35N44W. FROM 49N TO 54N BETWEEN 55W AND 58W AND 
WITHIN 240 NM E OF FRONT N OF 43N WINDS 25 TO 35 KT. SEAS 3 TO 5 
M...EXCEPT W OF 54W SEAS TO 3 M. ELSEWHERE FROM 44N TO 59N E OF 
61W AND WITHIN 300 NM E OF FRONT WINDS TO 25 KT. SEAS TO 4 
M...HIGHEST NEAR 43N44W. 

.SYNOPSIS AND FORECAST. 

.LOW 39N60W 1013 MB MOVING NE 10 KT. WITHIN 420 NM NE AND E 
QUADRANTS WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DESCRIBED IN 
WARNINGS SECTION ABOVE WITH LOW 48N57W. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM SE OF 
A LINE FROM 50N52W TO 45N67W...FROM 40N TO 46N BETWEEN 52N AND 
57W...FROM 44N TO 52N BETWEEN 44W AND 52W...AND N OF 55N W OF 
55W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 52N BETWEEN 43W AND 
56W...FROM 53N TO 57N E OF 45W...AND FROM 59N TO 63N BETWEEN 41W 
AND 50W. 
.48 HOUR FORECAST DENSE FOG FROM 52N TO 55N BETWEEN 52W AND 
55W...AND FROM 51N TO 60N E OF 47W.

.FORECASTER BANCROFT. 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 0000 UTC TUE MAY 12.
24 HOUR FORECAST VALID 0000 UTC WED MAY 13.
48 HOUR FORECAST VALID 0000 UTC THU MAY 14.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 14N35W TO 10N43W TO 11N47W TO 09N54W TO 07N50W TO
08N36W TO 14N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
SWELL.
.24 HOUR FORECAST WITHIN 16N36W TO 16N41W TO 09N57W TO 06N52W TO
09N37W TO 16N36W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
SWELL.
.48 HOUR FORECAST WITHIN 21N35W TO 22N46W TO 16N49W TO 11N57W TO
06N53W TO 07N35W TO 21N35W NE TO E WINDS 20 TO 25 KT. SEAS 2.5
TO 3.0 M.

.ATLC 21 HOUR FORECAST WITHIN 31N76W TO 31N81.5W TO 30.5N81.5W
TO 30.5N78.5W TO 30.5N78W TO 30.5N76.5W TO 31N76W E WINDS 20 TO
25 KT. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 31N76W TO 31N81W TO 30.5N80W TO
30.5N78.5W TO 30N77W TO 31N76W E WINDS 20 TO 25 KT. SEAS 2.5 TO
3.0 M IN NE SWELL.
.48 HOUR FORECAST WITHIN 31N68W TO 31N74W TO 30N73W TO 30N68W TO
31N68W S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.CARIBBEAN WITHIN 14N70W TO 15N75W TO 13N80W TO 10N79W TO 12N69W
TO 14N70W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 
TO 30 KT. SEAS 2.5 TO 3.0 M. 
.24 HOUR FORECAST WITHIN 13N69W TO 14N71W TO 13N74W TO 11N73W 
TO 11N72W TO 11N69W TO 13N69W...INCLUDING THE GULF OF 
VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M. 
.48 HOUR FORECAST WITHIN 13N69W TO 14N73W TO 13N75W TO 12N75W 
TO 11N71W TO 11N68W TO 13N69W...INCLUDING THE GULF OF 
VENEZUELA...E WINDS 20 TO 25 KT. SEAS TO 2.5 M.

.GULF OF AMERICA 06 HOUR FORECAST WITHIN 20N95W TO 20N97W TO
19N96W TO 19N95W TO 20N95W...INCLUDING WITHIN 60 NM OF COAST OF
VERACRUZ...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. 
.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 RAMOS. NATIONAL HURRICANE CENTER.