402
FZNT01 KWBC 222216
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC FRI AUG 22 2025

CCODE/2:31:04:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22.
24 HOUR FORECAST VALID 1800 UTC AUG 23.
48 HOUR FORECAST VALID 1800 UTC AUG 24.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.POST-TROPICAL CYCLONE ERIN NEAR 40.0N 59.7W 957 MB AT 2100 UTC
AUG 22 MOVING E NE OR 065 DEG AT 29 KT. MAXIMUM SUSTAINED WINDS
80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 380 NM NE
QUADRANT...330 NM SE QUADRANT...270 NM SW QUADRANT AND 280 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 330 NM NE QUADRANT...480 NM
SE QUADRANT..780 NM SW QUADRANT...AND 360 NM NW QUADRANT WITH
SEAS TO 16 M. ELSEWHERE FROM 31N TO 45N BETWEEN 51W AND 74W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST POST-TROPICAL CYCLONE ERIN NEAR 44.0N 45.5W.
MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE
WINDS WITHIN 400 NM NE QUADRANT...360 NM SE QUADRANT...320 NM SW
QUADRANT...AND 260 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN
330 NM NE...600 NM SE...1080 NM SW AND 540 NM NW QUADRANTS WITH
SEAS TO 16.5 M. ELSEWHERE FROM 32N TO 50N BETWEEN 38W AND 62W
WINDS 20 TO 33 KT. SEAS 2.5 TO 5.5 M. ..HIGHEST W OF LOW.
.48 HOUR FORECAST POST-TROPICAL CYCLONE ERIN E OF AREA NEAR
52.0N 27.0W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT.
TROPICAL STORM FORCE WINDS WITHIN 350 NM NE QUADRANT...400 NM SE
QUADRANT...380 NM SW QUADRANT AND 300 NM NW QUADRANT. SEAS TO 4
M OR GREATER WITHIN 300 NM NE...540 NM SE...1380 NM SW...AND 600
NM NW QUADRANTS WITH SEAS TO 12 M. ELSEWHERE E OF A LINE FROM
57N52W TO 37N45W WINDS 20 TO 33 KT. SEAS 2.5 TO 8 M IN MIXED
SWELL...HIGHEST NEAR 47N35W.

...GALE WARNING...
.LOW 54N43W 994 MB MOVING NE 10 KT. WITHIN 120 NM N OF A LINE
FROM 58N42W TO 57N46W...FROM 46N TO 49N BETWEEN 37W AND 45W AND
BETWEEN 120 NM AND 360 NM W QUADRANT WINDS 25 TO 35 KT. SEAS 3
TO 5 M. ELSEWHERE WITHIN 540 NM S AND SW SEMICIRCLES AND 420 NM
N QUADRANT WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW 56N35W 996 MB. FROM 50N TO 54N E OF 56W
WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.

...GALE WARNING...
.N OF 64N BETWEEN 53W AND 57W AREA OF N TO NW WINDS 25 TO 35 KT.
SEAS TO 3 M. ELSEWHERE N OF 60N BETWEEN 51W AND 60W WINDS TO 25
KT. SEAS TO 2.5 M.
.24 HOUR FORECAST NEW LOW 62N48W 1001 MB. N OF 62N BETWEEN 51W
AND 59W AREA OF N TO NW WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
ELSEWHERE N OF 55N BETWEEN 50W AND 60W WINDS TO 25 KT. SEAS TO 3
M.
.48 HOUR FORECAST LOW 62N47W 994 MB. WITHIN 240 NM NW AND 180 NM
SW QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN
360 NM W AND SW SEMICIRCLES WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5
M.

...GALE WARNING...
.24 HOUR FORECAST LOW 63N36W 992 MB. WITHIN 180 NM NW SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE N OF 61N E OF
GREENLAND WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 62N39W 995 MB. WITHIN 300 NM N AND 90 NM W
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST W OF A LINE FROM 44N62W TO 45N53W TO
51N58W...INCLUDING THE GULF OF SAINT LAWRENCE...AREA OF S TO SW
WINDS TO 25 KT. SEAS TO 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 54N TO 59N
BETWEEN 37W AND 47W.
.24 HOUR FORECAST DENSE FOG FROM 55N TO 58N BETWEEN 36W AND
41W..AND N OF 63N E OF GREENLAND.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.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 1800 UTC FRI AUG 22.
24 HOUR FORECAST VALID 1800 UTC SAT AUG 23.
48 HOUR FORECAST VALID 1800 UTC SUN AUG 24.

.WARNINGS.

...GALE WARNING...
.ATLC 12 HOUR FORECAST WITHIN 24N60.5W TO 24N61.5W TO 23.5N61W
TO 23.5N60.5W TO 24N60.5W SE TO S WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.24 HOUR FORECAST LOW PRES...AL90...POSSIBLE TROPICAL CYCLONE...
NEAR 25N63.5W 1012 MB. WITHIN 25.5N62W TO 25.5N62.5W TO 25.5N63W
TO 25N63W TO 24.5N62.5W TO 24.5N62W TO 25.5N62W SE TO S WINDS 20
TO 25 KT. SEAS 2.5 TO 3.0 M IN N SWELL.
.42 HOUR FORECAST LOW PRES...AL90...POSSIBLE TROPICAL CYCLONE...
NEAR 27.5N63.5W 1009 MB. WITHIN 75 NM SE SEMICIRCLE WINDS 30 TO
35 KT. SEAS 3.5 TO 4.0 M IN N SWELL. ELSEWHERE WITHIN 28N62W TO
28N63W TO 27N63W TO 27N64W TO 26N63W TO 28N62W WINDS 20 TO 30
KT. SEAS 3.0 TO 3.5 M IN N SWELL.
.48 HOUR FORECAST LOW PRES...AL90...POSSIBLE TROPICAL CYCLONE...
NEAR 28.5N63W 1007 MB. WITHIN 28.5N62W TO 29N62.5W TO 28N63W TO
27.5N63W TO 27.5N62.5W TO 28N62W TO 28.5N62W SW TO S WINDS 30 TO
40 KT. SEAS 4.0 TO 4.5 M IN N SWELL. ELSEWHERE WITHIN 29N62W TO
29N64W TO 28N64W TO 27N63W TO 27N62W TO 28N62W TO 29N62W WINDS 20
TO 30 KT. SEAS 3.0 TO 4.5 M IN N TO NE SWELL.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N56W TO 31N79W TO 26N74W TO 26N72W TO 29N60W TO
31N56W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 31N45W TO 31N74W TO 24N68W TO 23N60W TO
31N45W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO 4.0 M IN NW TO N
SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N68W TO 29N72W TO 14N53W TO
21N52W TO 25N38W TO 31N35W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES... NE TO E WINDS 25 TO 35 KT. SEAS 2.5 TO 4.0 M IN NW
TO N SWELL.

.ATLC 06 HOUR FORECAST WITHIN 13.5N41.5W TO 14N42.5W TO
13.5N43.5W
TO 13N43W TO 13N42W TO 13.5N41.5W WINDS 20 KT OR LESS. SEAS 2.5
M IN NE SWELL.
.24 HOUR FORECAST WITHIN 15N46W TO 15N47W TO 14N49W TO 13N49W TO
12N47W TO 13N46W TO 15N46W WINDS 20 KT OR LESS. SEAS 2.5 M IN NE
SWELL.
.48 HOUR FORECAST CONDITIONS TO MERGE WITH AREA OF NW TO N SWELL
DESCRIBED ABOVE.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.