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

Expires:No;;629598
FZNT01 KWBC 302200
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SUN AUG 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 AUG 30. 
24 HOUR FORECAST VALID 1800 UTC AUG 31.
48 HOUR FORECAST VALID 1800 UTC SEP 01.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 56N58W 992 MB MOVING SE 10 KT.
WITHIN 120 NM W SEMICIRCLE...AND FROM 57N TO 61N W OF 43W WINDS
25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE FROM 51N TO 61N W OF
40W...N OF 60N W OF 53W...AND WITHIN THE GULF OF SAINT LAWRENCE E
OF 62W WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 53N53W 1000 MB. BETWEEN 90 NM AND 360 NM NW
QUADRANT WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN
420 NM NW SEMICIRCLE WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 54N38W 997
MB. FROM 41N TO 60N E OF 55W...AND WITHIN 120 NM OF THE E
GREENLAND COAST N OF 60N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.

.SYNOPSIS AND FORECAST.

.LOW 47N39W 1005 MB MOVING E 20 KT. WITHIN 300 NM SE AND 420 NM
SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW AND CONDITIONS WELL E OF AREA.

.24 HOUR FORECAST NEW COMPLEX LOW WITH MAIN CENTER NEAR 46N53W
1004 MB. WITHIN 600 NM SE AND 480 NM SW QUADRANTS WINDS 20 TO 30
KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW AND CONDITIONS DESCRIBED WITH GALE WARNING
IN WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 300 NM EITHER
SIDE OF A LINE FROM 44N46W TO 55N43W TO 60N61W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 58N BETWEEN 50W AND
61W...AND W OF A LINE FROM 54N56W TO 61N60W TO 67N57W.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM OF THE E GREENLAND
COAST N OF 61N...AND N OF 59N W OF 59W.

.FORECASTER ANDERSON. 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 SUN AUG 30.
24 HOUR FORECAST VALID 1800 UTC MON AUG 31.
48 HOUR FORECAST VALID 1800 UTC TUE SEP  1.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC TROPICAL WAVE WITH AXIS ALONG 66W. WITHIN 20N62W TO 21N64W
TO 21N66W TO 20N66W TO 19N64W TO 18N63W TO 20N62W...INCLUDING IN
ATLANTIC EXPOSURES AND PASSAGES...E TO SE WINDS 20 TO 25 KT. 
SEAS 2.5 TO 3.5 M. ELSEWHERE...WITHIN 24N60W TO 24N64W TO 
22N67W TO 20N67W TO 17N60W TO 20N57W TO 24N60W WINDS 20 KT OR 
LESS. SEAS 2.5 TO 3.0 M IN E TO SE SWELL.
.24 HOUR FORECAST TROPICAL WAVE WITH AXIS ALONG 72W. WITHIN 
23N67W TO 24N68W TO 24N70W TO 22N71W TO 20N70W TO 22N67W TO 
23N67W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST TROPICAL WAVE WITH AXIS ALONG 78W. CONDITIONS 
IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.ATLC AND CARIBBEAN WITHIN 21N71W TO 21N73W TO 20N75W TO 19N75W 
TO 20N72W TO 20N71W TO 21N71W NE TO E WINDS 20 TO 25 KT. SEAS 
LESS THAN 2.5 M.
.15 HOUR FORECAST CONDITIONS IMPROVE. 

.CARIBBEAN WITHIN 13N72W TO 12N76W TO 11N77W TO 11N75W TO 12N74W
TO 12N70W TO 13N72W...INCLUDING THE GULF OF VENEZUELA...NE TO E 
WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST WITHIN 12N69W TO 13N70W TO 13N73W TO 12N73W TO
12N71W TO 11N70W TO 12N69W...INCLUDING THE GULF OF 
VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF AMERICA 03 HOUR FORECAST NEW LOW PRESSURE NEAR 28N90W
1014 MB. WITHIN 29N90W TO 29N91W TO 29N92W TO 28N91W TO 29N91W 
TO 28N89W TO 29N90W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR
29N92W 1013 MB. WITHIN 30N91W TO 30N93W TO 29N94W TO 29N93W TO 
29N91W TO 29N91W TO 30N91W SE WINDS 20 TO 25 KT. SEAS LESS THAN 
2.5 M.
.48 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL 
CYCLONE...MOVED INLAND NEAR 30N95W. OVER FORECAST 
WATERS...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 KONARIK. NATIONAL HURRICANE CENTER.

$$