433
FZNT01 KWBC 220346 CCA
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC FRI AUG 22 2025

CCODE/2:31:04:11:00/AOE+AOW/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22.
24 HOUR FORECAST VALID 0000 UTC AUG 23.
48 HOUR FORECAST VALID 0000 UTC AUG 24.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE ERIN NEAR 37.3N 67.0W 952 MB AT 0300 UTC AUG 22
MOVING ENE OR 060 DEG AT 19 KT. MAXIMUM SUSTAINED WINDS 85
KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM
NE...320 NM SE...270 NM SW...AND 280 NM NW QUADRANTS. SEAS
4 M OR GREATER WITHIN 450 NM NE...480 NM SE...540 NM SW...
AND 390 NM NW QUADRANTS WITH SEAS TO 17 M. ELSEWHERE FROM
31N TO 44N BETWEEN 57W AND 76W WINDS 20 TO 33 KT. SEAS 2.5
TO 4 M.
.24 HOUR FORECAST HURRICANE ERIN NEAR 40.7N 58.2W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE
WINDS WITHIN 290 NM NE...320 NM SE...270 NM SW...AND 280 NM
NW QUADRANTS. SEAS 4 M OR GREATER WITHIN 360 NM NE...540 NM
SE...660 NM SW...AND 420 NM NW QUADRANTS WITH SEAS TO 16 M.
ELSEWHERE FROM 31N TO 47N BETWEEN 45W AND 69W WINDS 20 TO 33
KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST POST-TROPICAL CYCLONE ERIN NEAR 46.1N
42.5W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL
STORM FORCE WINDS WITHIN 300 NM NE...340 NM SE...270 NM
SW...AND 240 NM NW QUADRANTS. SEAS TO 4 M OR GREATER WITHIN
240 NM NE...600 NM SE...1080 NM SW...AND 420 NM NW QUADRANTS
WITH SEAS TO 15 M. ELSEWHERE FROM 31N TO 54N E OF 55W WINDS
20 TO 33 KT. SEAS 2.5 TO 6 M IN MIXED SWELL...HIGHEST S AND
SW OF CENTER.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

...GALE WARNING...
.LOW 53N45W 994 MB MOVING E 10 KT WILL TURN NE AND
ACCELERATE AFTER 24 HOURS. WITHIN 150 NM N OF A LINE FROM
59N41W TO 56N48W WINDS 35 TO 45 KT. SEAS 4 TO 6.5 M. ALSO
BETWEEN 180 NM AND 540 NM N AND NE QUADRANTS...BETWEEN 120
NM AND 360 NM S AND SW SEMICIRCLES...AND BETWEEN 120 NM AND
420 NM NW QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE
FROM 45N TO 64N E OF 57W WINDS TO 25 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 53N41W 995 MB.
WITHIN 420 NM S AND SE...360 NM W AND SW...AND 420 NM N AND
NW QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE E
OF A LINE FROM 45N43W TO 50N56W TO 54N56W TO 66N37W WINDS 20
TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW E OF AREA 55N33W 998 MB WITH ASSOCIATED
CONDITIONS E OF AREA.

...GALE WARNING...
.N OF 64N BETWEEN THE SW COAST OF GREENLAND AND 57W AREA OF
N TO NW WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST NEW LOW 63N51W 1008 MB. WITHIN 240 NM N AND
NW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE N
OF 60N BETWEEN 51W AND 60W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 63N51W 1003 MB. WITHIN 180 NM SW AND 240
NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 5 M. ELSEWHERE N
OF 57N BETWEEN 49W AND 60W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.

...GALE WARNING...
.36 HOUR FORECAST LOW E OF AREA 62N33W 996 MB. N OF 61N E OF
GREENLAND WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 63N37W 992 MB. WITHIN 180 NM N AND 120
NM W QUADRANTS WINDS 30 TO 45 KT. SEAS 3 TO 5 M. ELSEWHERE N
OF 61N E OF GREENLAND WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 52N TO 58N
BETWEEN 38W AND 60W...AND N OF 60N BETWEEN 36W AND 53W.
.24 HOUR FORECAST DENSE FOG FROM 54N TO 65N BETWEEN 36W AND 47W.
.48 HOUR FORECAST DENSE FOG N OF 63N E OF GREENLAND...AND FROM
45N TO 50N E OF 45W.

.FORECASTER MILLS. 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 FRI AUG 22.
24 HOUR FORECAST VALID 0000 UTC SAT AUG 23.
48 HOUR FORECAST VALID 0000 UTC SUN AUG 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC HURRICANE ERIN N OF AREA. OVER FORECAST WATERS WITHIN
31N62W TO 31N74W TO 28N70W TO 29N66W TO 31N62W SW TO W WINDS 20
TO 30 KT. SEAS 3.0 TO 6.0 M IN W TO NW SWELL. ELSEWHERE WITHIN
31N60W TO 29N70W TO 31N74W TO 31N79W TO 26N71W TO 28N65W TO
31N60W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 31N55W TO 31N78W TO 28N75W TO 27N68W TO
29N58W TO 31N55W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NW TO
N SWELL.
.48 HOUR FORECAST WITHIN 31N43W TO 31N74W TO 23N66W TO 23N61W TO
28N47W TO 31N43W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN NW TO
N SWELL...EXCEPT N TO NE SWELL W OF 65W.

.ATLC TROPICAL WAVE NEAR 37W. WITHIN 11N35W TO 11N36W TO 09N36W
TO 09N35W TO 11N35W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.ATLC 24 HOUR FORECAST BROAD LOW PRES NEAR 21N62W 1008 MB. WITHIN
23N61W TO 23N62W TO 22N63W TO 20N62W TO 20N61W TO 21N61W TO
23N61W SE WINDS 20 TO 25 KT. SEAS 2.5 M.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
24N65W 1004 MB. WITHIN 24N63W TO 25N64W TO 25N65W TO 24N65W TO
23N65W TO 23N63W TO 24N63W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE WITHIN 25N63W TO 26N65W TO 25N66W TO 23N66W TO 23N63W
TO 24N63W TO 25N63W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL.

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

.CARIBBEAN 21 HOUR FORECAST WITHIN 17N85W TO 17N86W TO 17N87W TO
16N86W TO 16N85W TO 17N85W...INCLUDING NEAR THE GULF OF
HONDURAS...E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.45 HOUR FORECAST WITHIN 17N86W TO 17N87W TO 16N87W TO 16N86W TO
17N86W...INCLUDING NEAR THE GULF OF HONDURAS...NE TO E WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.