548
FZNT01 KWBC 040420
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC MON AUG 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 04.
24 HOUR FORECAST VALID 0000 UTC AUG 05.
48 HOUR FORECAST VALID 0000 UTC AUG 06.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM DEXTER NEAR 34.3N 69.4W 1002 MB AT 0300 UTC AUG
04 MOVING ENE OR 070 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE
QUADRANT...120 NM SE QUADRANT...0 NM SW QUADRANT...AND 30 NM NW
QUADRANT.  SEAS 4 M OR GREATER WITHIN 0 NM OF CENTER EXCEPT 90
NM SE QUADRANT WITH SEAS TO 4 M. ELSEWHERE WITHIN 120 NM
NE...180 NM SE...120 NM SW AND 240 NM NW QUADRANTS WINDS 20 TO
33 KT. SEAS TO 3 M.
.24 HOUR FORECAST TROPICAL STORM DEXTER NEAR 36.4N 65.3W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM E SEMICIRCLE...30 NM SW QUADRANT AND 50 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM E AND 60 NM W
SEMICIRCLES WITH SEAS TO 4.5 M. ELSEWHERE WITHIN 120 NM NE...180
NM SE...120 NM SW AND 240 NM NW QUADRANTS WINDS 20 TO 33 KT. SAS
TO 3 M
.48 HOUR FORECAST TROPICAL STORM DEXTER NEAR 38.5N 61.3W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM S SEMICIRCLE...70 NM NE QUADRANT AND 60 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 60 NM S AND 90 NM N
SEMICIRCLES WITH SEAS TO 4.5 M. ELSEWHERE WITHIN 240 NM N AND 60
NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS TO 3 M.

...GALE WARNING...
.WITHIN 120 NM S AND SW OF A LINE FROM 60N44W TO 60N42W TO
58N35W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 60N43W.

...GALE WARNING...
.LOW 57N61W 995 MB MOVING E 10 KT. WITHIN 660 NM S
QUADRANT...AND FROM 49N TO 55N W OF 50W WINDS 20 TO 30 KT. SEAS
TO 2.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 58N54W 1003 MB...AND
SECONDARY CENTER FORMED NEAR 60N43W 1000 MB. FROM 54N TO 59N E
OF 41W WINDS 25 TO 35 KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN 660 NM
S AND SE QUADRANTS OF SECONDARY CENTER...AND FROM 54N TO 58N W
OF 57W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST MAIN LOW DISSIPATED WITH SECONDARY CENTER NEAR
60N44W 1000 MB. WITHIN AN AREA BOUNDED BY
61N49W...59N59W...47N40W...50N35W...56N35W...59N40W...61N49W
WINDS 20 TO 30 KT. SEAS TO 3 M.

...GALE WARNING...
.LOW 40N52W 1017 MB MOVING NE 20 KT. FROM 40N TO 43N BETWEEN 46W
AND 54W WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW 46N44W 1017 MB. FROM 42N TO 49N BETWEEN
35W AND 44W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.30 HOUR FORECAST LOW 47N40W 1015 MB. FROM 46N TO 49N E OF 38W
WINDS 25 TO 35 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

...GALE WARNING...
.24 HOUR FORECAST LOW 65N56W 1000 MB. FROM 63N TO 65N W OF 55W
WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.42 HOUR FORECAST LOW DISSIPATED. FROM 60N TO 62N W OF 60W WINDS
25 TO 35 KT. SEAS TO 3 M.
.48 HOUR FORECAST NEW LOW FORMED NEAR 65N57W 998 MB. FROM 59N TO
65N W OF 56W WINDS 20 TO 30 KT. SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.LOW 37N65W 1012 MB NEARLY STATIONARY. WITHIN 240 NM NW AND 120
NM SE SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 45N TO 49N BETWEEN 45W AND 48W.
.48 HOUR FORECAST DENSE FOG FROM 55N TO 57N W OF 37W.

.FORECASTER SHAW. 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 4.
24 HOUR FORECAST VALID 0000 UTC TUE AUG  5.
48 HOUR FORECAST VALID 0000 UTC WED AUG  6.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.CARIBBEAN WITHIN 14N69W TO 14N74W TO 12N74W TO 12N72W TO 10N72W
TO 12N67W TO 14N69W...INCLUDING THE GULF OF VENEZUELA...E WINDS
20 TO 30 KT. SEAS 2.5 M.
.24 HOUR FORECAST WITHIN 14N69W TO 15N70W TO 15N73W TO 14N75W
TO 11N75W TO 11N69W TO 14N69W...INCLUDING IN MONA PASSAGE AND THE
GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 M.
.48 HOUR FORECAST WITHIN 14N69W TO 15N74W TO 13N76W TO 11N75W
TO 11N72W TO 11N69W TO 14N69W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 M.

.CARIBBEAN 48 HOUR FORECAST WITHIN 17N85W TO 17N87W TO 17N88W TO
16N88W TO 16N86W TO 17N85W...INCLUDING THE GULF OF HONDURAS...E
WINDS 20 TO 25 KT. 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.