High Seas Forecast - Western Atlantic, Caribbean and Gulf of Mexico

Expires:No;;165906
FZNT01 KWBC 251534
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SUN OCT 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 25.
24 HOUR FORECAST VALID 1200 UTC OCT 26.
48 HOUR FORECAST VALID 1200 UTC OCT 27.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER E OF THE AREA 49N33W 992 MB MOVING
NE 25 KT AND RAPIDLY INTENSIFYING AND SECOND LOW 48N39W 998 MB
MOVING SE 35 KT THROUGH 12 HOURS THEN TURNING NE. BETWEEN 240 NM
AND 600 NM SW SEMICIRCLE OF SECOND LOW WINDS 35 TO 45 KT. SEAS 5
TO 8 M. ELSEWHERE FROM 37N TO 50N BETWEEN 40W AND 52W AND BETWEEN
180 NM AND 720 NM S QUADRANT OF SECOND LOW WINDS 25 TO 35 KT.
SEAS 3.5 TO 6 M.
.12 HOUR FORECAST COMBINED LOW E OF THE AREA 53N25W 979 MB. FROM
39N TO 47N E OF 40W WINDS 35 TO 50 KT. SEAS 5 TO 7.5 M.
.24 HOUR FORECAST LOW WELL E OF AREA 56N20W 962 MB. FROM 31N TO
52N E OF 45W WINDS TO 25 KT. SEAS 3.5 TO 6.5 M IN N SWELL.
.48 HOUR FORECAST LOW WELL E OF THE AREA. FROM 46N TO 53N E OF
46W AREA OF SW WINDS 20 TO 30 KT. SEAS 3 TO 4.5 M IN
SWELL...HIGHEST NEAR 35W.

...GALE WARNING...
.LOW 62N35W 990 MB MOVING SE 25 KT. WITHIN 180 NM NW AND N OF A
LINE FROM 60N40W TO THE LOW TO 64N35W WINDS 25 TO 35 KT. SEAS 2.5
TO 4.5 M.
.24 HOUR FORECAST LOW AND CONDITIONS WELL E OF THE AREA.

...GALE WARNING... 
.LOW S OF THE AREA 29N66W MOVING NE 10 KT. FROM 31N TO 36N W OF
55W AREA OF NE WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M.
.24 HOUR FORECAST LOW NEAR 34N64W 1012 MB. WITHIN 420 NM NE...840
NM SW AND 300 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M.
.48 HOUR FORECAST LOW NEAR 40N47W 1002 MB. WITHIN 300 NM SE 
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.

...GALE WARNING...
.LOW 60N80W OVER HUDSON BAY MOVING E 30 KT. FROM 50N TO 60N
BETWEEN 43W AND 53W AREA OF NW WINDS 20 TO 30 KT. SEAS 3 TO 5 M
IN MIXED SWELL.
.24 HOUR FORECAST LOW 60N55W 980 MB. WITHIN 120 NM NE OF A LINE
FROM 62N55W TO 59N50W TO W GREENLAND AND WITHIN 240 NM S AND SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN
840 NM SE...S...300 NM SW...360 NM NW AND 240 NM N QUADRANTS
WINDS 20 TO 30 KT. SEAS TO 3 M.
.30 HOUR FORECAST LOW 60N56W 980 MB. WITHIN 120 NM NE OF A LINE
FROM 60N50W TO 62N53W WINDS 35 TO 45 KT. SEAS 4 TO 6 M.
.48 HOUR FORECAST LOW 59N55W 978 MB. WITHIN 180 NM SW AND W OF A
LINE FROM 57N53W TO 59N57W TO 62N59W WINDS 30 TO 45 KT. SEAS 3 TO
5.5 M. ELSEWHERE WITHIN 600 NM S...840 NM SW AND 480 NM NW
QUADRANTS...INCLUDING THE GULF OF SAINT LAWRENCE...WINDS 20 TO 30
KT. SEAS 2.5 TO 4.5 M...EXCEPT TO 3 M IN THE GULF OF SAINT
LAWRENCE.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM NW AND
N OF A LINE FROM 51N43W TO 55N35W AND N OF 60N E OF GREENLAND.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM E OF A LINE FROM 58N50W
TO 53N43W...FROM 58N TO 60N BETWEEN 45W AND 60W...FROM 60N TO 65N
W OF GREENLAND AND FROM 61N TO 63N W OF 40W TO E GREENLAND.
.48 HOUR FORECAST DENSE FOG FROM 54N TO 60N W OF 50W TO
LABRADOR...FROM 60N TO 64N W OF GREENLAND...FROM 64N TO 67N W OF
60W...FROM 60N TO 62N E OF GREENLAND AND N OF 64N E OF
GREENLAND.

.LIGHT FREEZING SPRAY N OF 60N W OF 60W AND N OF 60N WITHIN 60 NM
E AND W OF GREENLAND.
.24 HOUR FORECAST LIGHT FREEZING SPRAY WITHIN 60 NM E AND W OF
GREENLAND FROM 60N TO 65N AND N OF 65N E AND W OF GREENLAND.
.48 HOUR FORECAST LIGHT FREEZING SPRAY FROM 60N TO 65N W OF 60W
AND N OF 65N W OF GREENLAND.

.FORECASTER FUTTERMAN. 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 SUN OCT 25.
24 HOUR FORECAST VALID 1200 UTC MON OCT 26.
48 HOUR FORECAST VALID 1200 UTC TUE OCT 27.

.WARNINGS.

...ATLC GALE WARNING...
.WITHIN 31N61W TO 31N69W TO 29N74W TO 28N72W TO 29N69W TO 29N68W
TO 31N61W NE TO E WINDS 30 TO 40 KT. SEAS 4.5 TO 6.5 M IN N TO 
NE SWELL. ELSEWHERE WITHIN 31N58W TO 31N67W TO 31N81W TO 27N80W 
TO 27N73W TO 29N70W TO 31N58W NE TO E WINDS 20 TO 30 KT. SEAS 3.5
TO 5.5 M IN N TO NE SWELL. WITHIN 29N64W TO 30N65W TO 28N66W TO 
27N66W TO 27N65W TO 28N64W TO 29N64W S TO SW WINDS 20 TO 25 KT. 
SEAS 3.0 TO 4.5 M IN MIXED NE SWELL. REMAINDER OF AREA WITHIN 
30N59W TO 31N52W TO 31N61W TO 26N80W TO 27N70W TO 27N64W TO 
30N59W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS
2.5 TO 5.0 M IN N TO NE SWELL.
.18 HOUR FORECAST WITHIN 31N68W TO 31N81W TO 25N80W TO 27N73W TO
31N68W...INCLUDING ATLANTIC EXPOSURES... NE WINDS 20 TO 30 KT. 
SEAS 2.5 TO 6.0 M IN NE SWELL. WITHIN 31N66W TO 30N66W TO 29N67W 
TO 29N65W TO 31N66W S TO SW WINDS 20 TO 25 KT. SEAS 3.5 TO 4.5 M 
IN N TO NE SWELL. ELSEWHERE WITHIN 28N61W TO 31N45W TO 29N65W TO 
31N68W TO 25N80W TO 22N71W TO 28N61W...INCLUDING ATLANTIC 
EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 5.5 M IN N TO NE 
SWELL.
.24 HOUR FORECAST WITHIN 31N68W TO 31N81W TO 27N80W TO 24N80W TO
27N74W TO 31N68W...INCLUDING ATLANTIC EXPOSURES... NE WINDS 20 
TO 30 KT. SEAS 2.5 TO 5.5 M IN MIXED NE SWELL. WITHIN 31N64W TO 
31N67W TO 30.5N67W TO 30N65.5W TO 31N64W S TO SW WINDS 20 TO 25 
KT. SEAS 3.5 TO 4.0 M IN N TO NE SWELL. ELSEWHERE WITHIN 31N39W 
TO 29N62W TO 31N68W TO 25N76W TO 22N66W TO 26N65W TO 31N39W... 
INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 
5.0 M IN N TO NE SWELL. 
.48 HOUR FORECAST WITHIN 31N68W TO 31N71W TO 31N81W TO 25N80W TO
28N74W TO 31N68W...INCLUDING ATLANTIC EXPOSURES... NE WINDS 20 
TO 30 KT. SEAS 3.0 TO 5.0 M IN NE TO E SWELL. ELSEWHERE WITHIN 
31N42W TO 31N81W TO 24N80W TO 21N71W TO 27N35W TO 31N42W... 
INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 
4.5 M IN N TO NE SWELL.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 14N35W TO 16N37W TO 15N39W TO 12N40W TO 09N36W TO
14N35W WINDS 20 KT OR LESS. SEAS 2.5 M IN NE TO E SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.CARIBBEAN YUCATAN CHANNEL N OF 21.5N WINDS 20 KT OR LESS. SEAS
TO 2.5 IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 22N85W TO 22N87W TO 21N86W TO 22N85W...
INCLUDING IN YUCATAN CHANNEL... WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 22N85W TO 22N87W TO 21N87W TO 21N86W TO
22N85W...INCLUDING IN YUCATAN CHANNEL... WINDS 20 KT OR LESS. 
SEAS 2.5 M IN N TO NE SWELL.

.GULF OF AMERICA WITHIN 29N83W TO 30N84W TO 29N86W TO 27N86W TO
26N83W TO 26N82W TO 29N83W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0
M IN NE SWELL.
.24 HOUR FORECAST WITHIN 27N83W TO 29N84W TO 29N85W TO 27N86W TO
24N83W TO 25N80W TO 27N83W NE WINDS 20 TO 25 KT. SEAS 2.5 M IN N
TO NE SWELL. ELSEWHERE WITHIN 28N86W TO 26N89W TO 27N92W TO 
22N89W TO 22N85W TO 24N82W TO 28N86W...INCLUDING STRAITS OF 
FLORIDA...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.48 HOUR FORECAST WITHIN 26N82W TO 26N83W TO 25N82W TO 24N83W TO
24N82W TO 25N81W TO 26N82W N TO NE WINDS 20 TO 25 KT. SEAS TO 
3.0 M IN N TO NE SWELL. ELSEWHERE WITHIN 24N80W TO 25N85W TO 
28N90W TO 27N92W TO 22N87W TO 23N81W TO 24N80W...INCLUDING 
STRAITS OF FLORIDA... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN 
NE SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.


.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

$$