737
FZNT01 KWBC 312141
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SUN AUG 31 2025

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 31.
24 HOUR FORECAST VALID 1800 UTC SEP 01.
48 HOUR FORECAST VALID 1800 UTC SEP 02.

.WARNINGS.

...GALE WARNING...
.LOW 53N42W 1001 MB MOVING E 30 KT.  WITHIN 480 NM S AND 240 NM
SW QUADRANTS WINDS 25 TO 40 KT. SEAS TO 5 M. ELSEWHERE FROM 42N
TO 55N E OF 48W WINDS 20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW MOVED WELL E OF AREA. FROM 48N TO 55N E OF
38W WINDS LESS THAN 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA.

...GALE WARNING...
.LOW 32N74W 1011 MB NEARLY STATIONARY. WITHIN 180 NM NW
SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 3 M. ELSEWHERE S OF 36N W
OF 68W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 32N74W 1011 MB
AND SECOND NEW CENTER 38N62W 1016 MB. WITHIN 240 NM NW OF FRONT
FROM FIRST CENTER TO 36N66W TO SECOND CENTER WINDS 25 TO 35 KT.
SEAS TO 3 M. ELSEWHERE WITHIN 360 NM W QUADRANT OF FIRST CENTER
AND 360 NM NW SEMICIRCLE OF SECOND CENTER WINDS 20 TO 30 KT.
SEAS TO 2.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 39N66W 1011 MB
AND SECOND CENTER 41N59W 1014 MB. WITHIN 360 NM E SEMICIRCLE AND
180 NM NW QUADRANT OF FIRST CENTER AND 300 NM OF SECOND
CENTEREXCEPT SE QUADRANTWINDS 20 TO 30 KT. SEAS TO 3 M.

...GALE WARNING...
.LOW 42N57W 1018 MB MOVING NE 30 KT. WITHIN 240 NM SE SEMICIRCLE
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW 47N39W 1008 MB. FROM 41N TO 47N E OF 49W
WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED E OF AREA.

GALE WARNING
.LOW 59N52W 1004 MB MOVING E 10 KT. WITHIN 240 NM N QUADRANT AND
FROM 52N TO 62N BETWEEN 52W AND 61W WINDS 25 TO 35 KT. SEAS TO 3
M.
.24 HOUR FORECAST LOW 60N43W 1004 MB. FROM 45N TO 60N BETWEEN
43W AND 52W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 58N38W 998 MB. EXCEPT WHERE DESCRIBED
ABOVEFROM 47N TO 55N BETWEEN 35W AND 60W WINDS 20 TO 30 KT.
SEAS TO 3 M.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 64N60W 995 MB. N OF 50N W OF 53W WINDS
20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 68N58W 994 MB. N
OF 56N W OF 49W WINDS 25 TO 40 KT. SEAS TO 4 M.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 55N TO 59N
BETWEEN 46W AND 50W AND N OF 61N BETWEEN GREENLAND AND 55W.
.24 HOUR FORECAST DENSE FOG N OF 66N W OF 58W AND FROM 60N TO
63N BETWEEN 50W AND 56W.
.48 HOUR FORECAST DENSE FOG FROM 64N TO 67N W OF 52W.

.FORECASTER JOSEPH. 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 1800 UTC SUN AUG 31.
24 HOUR FORECAST VALID 1800 UTC MON SEP  1.
48 HOUR FORECAST VALID 1800 UTC TUE SEP  2.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N71W TO 31N72.5W TO 30N73W TO 30.5N71.5W TO
30.5N71W TO 31N71W S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5
M. ELSEWHERE WITHIN 31N79.5W TO 31N81W TO 30.5N81W TO 30.5N80.5W
TO 30.5N80W TO 30.5N79.5W TO 31N79.5W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN NE SWELL.
.24 HOUR FORECAST WITHIN 31N79W TO 31N80.5W TO 30.5N80.5W TO
30.5N80W TO 30.5N79.5W TO 31N79W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NE TO E SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.CARIBBEAN WITHIN 13N70W TO 13N73W TO 12N76W TO 11N74W TO 12N73W
TO 11N72W TO 13N70W...INCLUDING THE GULF OF VENEZUELA... NE TO E
WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.