677
FZNT01 KWBC 310350
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC MON AUG 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 31.
24 HOUR FORECAST VALID 0000 UTC SEP 01.
48 HOUR FORECAST VALID 0000 UTC SEP 02.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 57N56W 993 MB MOVING SE 15 KT.
WITHIN 120 NM SW...240 NM W AND 180 NM NW QUADRANTS WINDS 25 TO
35 KT. SEAS 2.5 TO 4 M. ALSO WITHIN 240 NM SW AND W
SEMICIRCLES...AND WITHIN 240 NM N OF A LINE FROM 56N37W TO
58N56W WINDS 20 TO 30 KT. SEAS TO 4 M...HIGHEST NEAR 59N50W.
ELSEWHERE FROM 48N TO 54N BETWEEN 48W AND 67W INCLUDING WITHIN
THE GULF OF SAINT LAWRENCE WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 54N46W 1000 MB. N OF 47N BETWEEN 48W AND
62W INCLUDING WITHIN THE GULF OF SAINT LAWRENCE WINDS TO 25 KT.
SEAS TO 3 M...HIGHEST NEAR 55N58W.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER E OF AREA NEAR
55N33W 991 MB. FROM 58N TO 63N BETWEEN 39W AND 44W WINDS 25 TO
35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 660 NM SW AND 480 NM
W QUADRANTS AND N OF 58N BETWEEN 37W AND 45W WINDS 20 TO 30 KT.
SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.LOW 47N36W 1005 MB MOVING NE 20 KT. WITHIN 360 NM S AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW AND CONDITIONS MOVED E OF AREA.

.LOW 47N65W 1016 MB MOVING E 25 KT. WITHIN 360 NM S AND SE
QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 47N50W 1003
MB. WITHIN 600 NM SE AND 420 NM SW QUADRANTS WINDS 20 TO 30 KT.
SEAS TO 3 M.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY COMPLEX LOW
55N33W IN WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 48N
BETWEEN 43W AND 47W AND FROM 51N TO 55N E OF 41W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 49N BETWEEN 44W AND 51W.
.48 HOUR FORECAST DENSE FOG FROM 60N TO 66N W OF 59W.

.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 MON AUG 31.
24 HOUR FORECAST VALID 0000 UTC TUE SEP  1.
48 HOUR FORECAST VALID 0000 UTC WED SEP  2.

.WARNINGS.

...GULF OF AMERICA GALE WARNING...
.LOW PRES...INVEST AL97...NEAR 28N90W 1012 MB. WITHIN 28N88W TO
30N89W TO 29N93W TO 27N93W TO 26N91W TO 27N88W TO 28N88W NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW PRES...INVEST AL97...POSSIBLE TROPICAL
CYCLONE...NEAR 29N92W 1009 MB. WITHIN 29.5N92W TO 29.5N93W TO
29N93.5W TO 28.5N93W TO 28.5N92W TO 29N91.5W TO 29.5N92W E WINDS
30 TO 35 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 30N92W TO 30N94W
TO 28N94W TO 28N92W TO 28N91W TO 29N90W TO 30N92W E TO SE WINDS
20 TO 30 KT. SEAS 2.5 M.
.48 HOUR FORECAST LOW PRES N OF AREA. WITHIN 30N93W TO 30N94W TO
30N95W TO 29N94W TO 30N93W SE TO S WINDS 20 TO 25 KT. SEAS 2.5 M.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 20N60W TO 21N63W TO 21N66W TO 20N68W TO 17N63W TO
17N61W TO 20N60W E TO SE WINDS 20 TO 30 KT. SEAS 3.0 TO 3.5 M.
ELSEWHERE WITHIN 24N62W TO 24N68W TO 21N70W TO 19N69W TO 17N63W
TO 19N60W TO 24N62W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E
TO SE SWELL.
.24 HOUR FORECAST WITHIN 26N69W TO 26N72W TO 24N73W TO 21N73W TO
20N70W TO 22N68W TO 26N69W E TO SE WINDS 20 TO 25 KT. SEAS 2.5
M.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.ATLC AND CARIBBEAN WITHIN 21N72W TO 21N73W TO 20N74W TO 19N74W
TO 20N73W TO 20N71W TO 21N72W NE TO E 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.

.CARIBBEAN WITHIN 13N71W TO 13N76W TO 12N79W TO 10N77W TO 11N74W
TO 11N69W TO 13N71W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 15N69W TO 14N74W TO 11N75W TO 11N69W TO
11N68W TO 12N66W TO 15N69W...INCLUDING THE GULF OF VENEZUELA...E
WINDS 20 TO 25 KT. SEAS 2.5 M.
.48 HOUR FORECAST WITHIN 13N67W TO 15N70W TO 15N72W TO 13N75W TO
11N75W TO 11N66W TO 13N67W...INCLUDING THE GULF OF VENEZUELA...E
WINDS 20 TO 30 KT. SEAS 2.5 M.

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

$$
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.