975
FZNT01 KWBC 241624
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SUN AUG 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 24.
24 HOUR FORECAST VALID 1200 UTC AUG 25.
48 HOUR FORECAST VALID 1200 UTC AUG 26.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW JUST E OF AREA NEAR 51N32W 954 MB MOVING NE 30 KT. WITHIN
240 NM S AND 180 NM W QUADRANTS WINDS 60 TO 80 KT. SEAS 7 TO 13
M...HIGHEST S QUADRANT. ALSO W OF 35W WITHIN 300 NM S AND SW
SEMICIRCLES WINDS 45 TO 60 KT. SEAS 3.5 TO 10 M...HIGHEST SW OF
LOW NEAR 46N35W. ELSEWHERE FROM 43N TO 54N BETWEEN 35W AND 42W
WINDS 30 TO 45 KT. SEAS 3.5 TO 9 M...HIGHEST NEAR 44N37W.
ELSEWHERE E OF A LINE FROM 57N55W TO 45N48W TO 38N40W WINDS 20
TO 30 KT. SEAS 2.5 TO 7.5 M...HIGHEST SW OF LOW.
.24 HOUR FORECAST LOW WELL E OF AREA 56N22W 960 MB. FROM 49N TO
57N BETWEEN 35W AND 37W WINDS 25 TO 35 KT. SEAS 4 TO 5.5 M. ALSO
WITHIN AN AREA BOUNDED BY A LINE FROM 44N35W TO 50N40W TO 59N52W
TO 64N35W TO 44N35W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M...HIGHEST
NEAR 46N35W. ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM
31N35W TO 31N49W TO 44N42W TO 44N35W TO 31N35W WINDS LESS THAN
25 KT. SEAS 2.5 TO 5 M IN MIXED SWELL...HIGHEST NEAR 44N35W.
.48 HOUR FORECAST LOW WELL E OF AREA. FROM 55N TO 60N BETWEEN
35W AND 37W WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE E OF A
LINE FROM 65N35W TO 59ON49W TO 43N40W WINDS 20 TO 30 KT. SEAS
2.5 TO 4 M.

...TROPICAL STORM WARNING...
.TROPICAL STORM FERNAND NEAR 31.0N 60.0W 1010 MB AT 1500 UTC AUG
24 MOVING N NE OR 020 DEG AT 13 KT. MAXIMUM SUSTAINED WIND 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER
EXCEPT 90 NM SE QUADRANT. SEAS 4 M OR GREATER WITHIN 30 NM NE
QUADRANT...120 NM SE QUADRANT...AND 0 NM W SEMICIRCLE WITH SERAS
TO 5 M. ELSEWHERE FROM 31N TO 34N BETWEEN 58W AND 61W WINDS 20
TO 33 KT. SEAS 3 TO 4 M.
.24 HOUR FORECAST TROPICAL STORM FERNAND NEAR 34.8N 57.8W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM NE QUADRANT...90 NM SE QUADRANT...30 NM SW
QUADRANT...AND 0 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 60
NM NE...100 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 31N57W
TO 40N58W WINDS 20 TO 33 KT. SEAS TO 4 M.
.48 HOUR FORECAST TROPICAL STORM FERNAND NEAR 39.3N 54.3W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM NE QUADRANT...80 NM SE QUADRANT...30 NM SW
QUADRANT...AND 20 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 80
NM NE...120 NM SE...0 NM SW AND 30 NM NW QUADRANTS WITH SEAS TO
5.5 M. ELSEWHERE FROM 34N TO 43N BETWEEN 52W AND 63W 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.

...GALE WARNING...
.N OF 60N BETWEEN 52W AND 58W AREA OF N TO NW WINDS 30 TO 40 KT.
SEAS 3 TO 4.5 M. ELSEWHERE N OF A LINE FROM 57N43W TO 57N55W TO
61N60W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST CONDITIONS AS DESCRIBED ABOVE WITH LOW E OF
AREA 56N22W.

...GALE WARNING...
.LOW 34N76W 1007 MB MOVING NE 20 KT. FROM 31N TO 36N BETWEEN 72W
AND 76W WINDS TO 25 KT. SEAS TO 3 M.
.24 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.
.48 HOUR FORECAST LOW 47N60W 1004 MB. FRONT TO EXTEND FROM LOW
TO 39N56W TO 43N59W. WITHIN 360 NM NE QUADRANT AND BETWEEN THE
FRONT AND 51W WINDS 20 TO 30 KT. SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.LOW 62N39W 996 MOVING S 10 KT TURNING SE AND DISSIPATING AFTER
12 HOURS. BETWEEN THE E COAST OF GREENLAND AND A FRONT FROM LOW
CENTER TO 63N39W TO 65N35W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS MERGED WITH LOW E
OF AREA 56N22W IN WARNINGS SECTION.

.IN THE GULF OF SAINT LAWRENCE W OF 58W S OF 50N AREA OF SW
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST NEW LOW 53N51W 1010 MB. WITHIN AN AREA BOUNDED
BY A LINE FROM 46N52W TO 50N65W TO 53N51W TO 48N42W TO 46N52W
WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS MERGED WITH LOW E
OF AREA 56N22W IN WARNINGS SECTION.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 64N TO 66N W OF 59W.
.48 HOUR FORECAST DENSE FOG FROM 45N TO 56N BETWEEN 52W 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 1200 UTC SUN AUG 24.
24 HOUR FORECAST VALID 1200 UTC MON AUG 25.
48 HOUR FORECAST VALID 1200 UTC TUE AUG 26.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM FERNAND NEAR 31.0N 60.0W 1010 MB AT 1500 UTC AUG
24
MOVING NNE OR 020 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS
45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER EXCEPT
90 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 29N 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 34.8N
57.8W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM NE QUADRANT...90 NM SE QUADRANT...30 NM SW
QUADRANT...AND 0 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
39.3N
54.3W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM
FORCE WINDS WITHIN 50 NM NE QUADRANT...80 NM SE QUADRANT...30 NM
SW
QUADRANT...AND 20 NM NW QUADRANT. OVER FORECAST WATERS 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 31N35W TO 25N45W
TO
25N60W TO 25N70W TO 31N76W 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 N OF 23N E OF 50W WINDS 20 KT OR LESS. SEAS
2.5 TO
3 M IN NW TO N SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC AND CARIBBEAN LOW PRES...AL99...NEAR 13N56.5W 1010 MB.
FROM
13N TO 18N BETWEEN 52W AND 58W E WINDS 20 TO 30 KT. SEAS 2.5 TO
3.0
M.
.24 HOUR FORECAST LOW PRES...AL99...POSSIBLE TROPICAL CYCLONE...
NEAR 13N64W 1010 MB. FROM 14N TO 17N BETWEEN 60W AND 67W E WINDS
20
TO 30 KT. SEAS 2.5 TO 3 M. ELSEWHERE FROM 14N TO 20N BETWEEN 55W
AND
63W...INCLUDING ATLANTIC EXPOSURES AND IN PASSAGES...WINDS 20 KT
OR
LESS. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST LOW PRES...AL99...POSSIBLE TROPICAL CYCLONE...
NEAR 14N72W 1010 MB. FROM 11N TO 17.5N BETWEEN 66W AND 80W NE TO
E
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.

.ATLC 24 HOUR FORECAST N OF 30N BETWEEN 70W AND 75W WINDS 20 KT
OR
LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.ATLC AND CARIBBEAN 36 HOUR FORECAST FROM 19.5N TO 21N BETWEEN
71W
AND 74W...INCLUDING THE ENTRANCE TO THE WINDWARD PASSAGE...NE TO
E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN FROM 11N TO 15N BETWEEN 70W AND 75W...INCLUDING THE
GULF
OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST FROM 11N TO 15N BETWEEN 70W AND
80W...INCLUDING
THE GULF OF VENEZUELA...E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M
FROM
11N TO 14N BETWEEN 74W AND 77W.
.48 HOUR FORECAST CONDITIONS MERGED WITH AL99.

.CARIBBEAN WITHIN 17N87W TO 16N88W TO 16N87W TO 16N86W TO
17N87W...INCLUDING NEAR THE GULF OF HONDURAS...E WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE. 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.