901
FZNT01 KWBC 242224
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SUN AUG 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 24.
24 HOUR FORECAST VALID 1800 UTC AUG 25.
48 HOUR FORECAST VALID 1800 UTC AUG 26.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM FERNAND NEAR 31.8N 59.8W 1009 MB AT 2100 UTC AUG
24 MOVING N NE OR 025 DEG AT 11 KT. MAXIMUM SUSTAINED WIND 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM NE QUADRANT
AND 50 NM SE QUADRANT AND 0 NM W SEMICIRCLE. SEAS 4 M OR GREATER
WITHIN 30 NM NE QUADRANT...120 NM SE QUADRANT...AND 0 NM W
SEMICIRCLE WITH SEAS TO 5 M. ELSEWHERE FROM 31N TO 35N BETWEEN
57W AND 61W WINDS 20 TO 33 KT. SEAS 3 TO 4 M.
.24 HOUR FORECAST TROPICAL STORM FERNAND NEAR 35.1N 57.6W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM NE QUADRANT...80 NM SE QUADRANT...30 NM SW
QUADRANT...AND 20 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 90
NM NE...110 NM SE...20 NM SW AND 50 NM NW QUADRANTS WITH SEAS TO
6 M. ELSEWHERE WITHIN 180 NM EITHER SIDE OF A LINE FROM 33N55W
TO 43N58W WINDS 20 TO 33 KT. SEAS TO 4 M.
.48 HOUR FORECAST TROPICAL STORM FERNAND NEAR 40.0N 53.0W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM NE QUADRANT...70 NM SE QUADRANT...30 NM SW
QUADRANT...AND 20 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 30
NM NE AND 120 NM SE QUADRANTS AND 0 NM W SEMICIRCLE WITH SEAS TO
5 M. ELSEWHERE FROM 36N TO 43N BETWEEN 49W AND 57W WINDS 20 TO
33 KT. SEAS TO 4 M.

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

...STORM WARNING...
.LOW E OF AREA NEAR 52N29W 953 MB MOVING NE 20 KT. FROM 49N TO
55N BETWEEN 35W AND 37W WINDS 40 TO 55 KT. SEAS 3.5 TO 8
M...HIGHEST NEAR 49N35W. ALSO FROM 44N TO 56N E OF 43W WINDS 25
TO 40 KT. SEAS 3 TO 8.5 M...HIGHEST NEAR 46N35W. ELSEWHERE E OF
A LINE FROM 56N55W TO 42N45W WINDS 20 TO 30 KT. SEAS 2.5 TO 6.5
M...HIGHEST NEAR 44N37W. ELSEWHERE E OF A LINE FROM 57N56W TO
45N51W TO 31N57W WINDS LESS THAN 25 KT. SEAS 2.5 TO 6
M...HIGHEST NEAR 41N35W IN MIXED SWELL.
.24 HOUR FORECAST LOW E OF AREA NEAR 57N22W 960 MB. FROM 52N TO
58N BETWEEN 35W AND 37W AREA OF NW WINDS 25 TO 35 KT. SEAS 3.5
TO 5.5 M...HIGHEST NEAR 55N35W. ALSO N OF 51N E OF 39W AND
WITHIN 300 NM N OF A LINE FROM 53N39W TO 57N53W WINDS 20 TO 30
KT. SEAS 2.5 TO 5 M...EXCEPT N OF 60N SEAS TO 2.5 M...HIGHEST
NEAR 52N35W. ELSEWHERE S OF 45N E OF 45W WINDS TO 25 KT. SEAS
2.5 TO 4.5 M IN MIXED SWELL...HIGHEST NEAR 45N35W.
.48 HOUR FORECAST LOW E OF AREA NEAR 60N21W 967 MB. E OF A LINE
FROM 61N50W TO 43N40W AND N OF 60N E OF 39W WINDS 20 TO 30 KT.
SEAS 2.5 TO 4.5 M...HIGHEST NEAR 55N35W.

...GALE WARNING...
.N OF 62N BETWEEN 53W AND 58W AREA OF N TO NW WINDS 25 TO 35 KT.
SEAS 3 TO 4.5 M. ELSEWHERE N OF A LINE FROM 56N43W TO 56N51W TO
63N60W WINDS TO 25 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST CONDITIONS AS DESCRIBED ABOVE WITH LOW E OF
AREA 57N22W DESCRIBED ABOVE.

...GALE WARNING...
.LOW 35N75W 1007 MB MOVING NE 20 KT. WITHIN 120 NM NE...300 NM E
AND 240 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.
.18 HOUR FORECAST LOW 41N70W 1004 MB. FROM 41N TO 43N BETWEEN
67W AND 70W WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE FROM 31N
TO 44N BETWEEN 64W AND 73W WINDS 20 TO 30 KT. SEAS TO 3
M...HIGHEST E OF A LINE FROM 42N68W TO 31N72W.
.24 HOUR FORECAST LOW 42N69W 1003 MB. WITHIN 300 NM E AND SE
QUADRANTS AND WITHIN 300 NM E OF A LINE FROM 38N69W TO 31N72W
WINDS 20 TO 30 KT. SEAS TO 3 M...HIGHEST NEAR 42N66W AND 33N68W.
.48 HOUR FORECAST LOW 50N60W 1001 MB. FRONT TO EXTEND FROM LOW
TO 43N55W. WITHIN 480 NM E QUADRANT AND BETWEEN THE FRONT AND
48W WINDS 20 TO 30 KT. SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.LOW 61N40W 996 MOVING S 05 KT TURNING SE AND DISSIPATING AFTER
12 HOURS. WITHIN 90 NM OF THE E GREENLAND COAST WINDS 20 TO 30
KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS MERGED WITH LOW E
OF AREA 57N22W IN WARNINGS SECTION.

.IN THE GULF OF SAINT LAWRENCE W OF 58W S OF 50N AREA OF SW
WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST NEW LOW 52N43W 1009 MB. FROM 45N TO 52N BETWEN
35W AND 50W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M...HIGHEST NEAR
35W.
.48 HOUR FORECAST LOW DISSIPATED E OF AREA. CONDITIONS MERGED
WITH LOW E OF AREA 60N21W IN WARNINGS SECTION.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 41N TO 45N BETWEEN 65W AND 69W.
.48 HOUR FORECAST DENSE FOG FROM 41N TO 45N BETWEEN 64W AND
68W....AND FROM 45N TO 57N BETWEEN 50W AND 61W.

.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 SUN AUG 24.
24 HOUR FORECAST VALID 1800 UTC MON AUG 25.
48 HOUR FORECAST VALID 1800 UTC TUE AUG 26.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM FERNAND JUST N OF AREA NEAR 31.8N 59.8W 1009 MB
AT 2100 UTC AUG 24 MOVING NNE OR 025 DEG AT 11 KT. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 0 NM
W SEMICIRCLE...30 NM NE QUADRANT AND 50 NM SE QUADRANT.  SEAS 4
M
OR GREATER WITHIN 0 NM W SEMICIRCLE...30 NM NE QUADRANT AND 120
NM
SE QUADRANT WITH SEAS TO 5 M. OVER FORECAST WATERS N OF 30N
BETWEEN
57W AND 61W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M.
.24 HOUR FORECAST TROPICAL STORM FERNAND N OF AREA NEAR 35.1N
57.6W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM
FORCE
WINDS WITHIN 60 NM NE QUADRANT...80 NM SE QUADRANT...30 NM SW
QUADRANT...AND 20 NM NW QUADRANT. OVER FORECAST WINDS 20 KT OR
LESS. SEAS LESS THAN 2.5 M. PLEASE SEE PART 1.
.48 HOUR FORECAST TROPICAL STORM FERNAND WELL N OF AREA NEAR
40.0N 53.0W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL
STORM
FORCE WINDS WITHIN 40 NM NE QUADRANT...70 NM SE QUADRANT...30 NM
SW QUADRANT...AND 20 NM NW QUADRANT. OVER FORECAST WINDS 20 KT
OR
LESS. SEAS LESS THAN 2.5 M. PLEASE SEE PART 1.

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

.SYNOPSIS AND FORECAST.

.ATLC EXCEPT AS NOTED ABOVE...N OF A LINE FROM 28N35W TO 24N50W
TO 22N60W TO 27N65W TO 31N65W 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.
.24 HOUR FORECAST E OF A LINE FROM 24N35W TO 29N47W TO 31N47W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW TO N SWELL.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC N OF 29N BETWEEN 73W AND 77W SW WINDS 20 TO 25 KT. SEAS
2.5 TO 3 M.
.24 HOUR FORECAST N OF 30N BETWEEN 70W AND 75W SW WINDS 20 TO 25
KT. SEAS TO 2.5 M.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.ATLC AND CARIBBEAN FROM 13N TO 18N BETWEEN 52W AND 59W E WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST FROM 14N TO 17.5N BETWEEN 62W AND 68W E WINDS
20 TO 30 KT. SEAS 2.5 TO 3 M. ELSEWHERE FROM 15N TO 20N BETWEEN
59W
AND 63W...INCLUDING ATLANTIC EXPOSURES AND IN PASSAGES...WINDS
20 KT
OR LESS. SEAS 2.5 TO 3 M IN N SWELL.
.48 HOUR FORECAST FROM 11N TO 17.5N BETWEEN 67W AND 78W NE TO E
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.

.ATLC AND CARIBBEAN 30 HOUR FORECAST FROM 19.5N TO 21N BETWEEN
71W AND 74W...INCLUDING THE WINDWARD PASSAGE...NE TO E WINDS 20
TO
25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST FROM 20N TO 21N BETWEEN 71W AND
74W...INCLUDING APPROACHES TO THE WINDWARD PASSAGE...NE TO E
WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.

.CARIBBEAN FROM 11N TO 15.5N BETWEEN 70W AND 75W...INCLUDING THE
GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS BUILDING TO
2.5 M.
.12 HOUR FORECAST FROM 11N TO 15N BETWEEN 70W AND
75W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25
KT. SEAS 2.5 TO 3
M IN NE TO E SWELL.
.24 HOUR FORECAST FROM 11N TO 16.5N BETWEEN 70W AND
79W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25
KT. SEAS 2.5 TO 3
M IN NE TO E SWELL FROM 11N TO 14N BETWEEN 75W AND 79W. FROM 10N
TO 11N BETWEEN 76W AND 78W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M
IN
NE SWELL.
.48 HOUR FORECAST CONDITIONS MERGED.

.CARIBBEAN 18 HOUR FORECAST FROM 16N TO 18N W OF 85W...INCLUDING
NEAR THE GULF OF HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.