481
FZNT01 KWBC 102132
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC FRI OCT 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH
ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG
WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO
WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR
GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH,
AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER
CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO
PRESERVE CONTINUITY WHERE APPROPRIATE.

SECURITE

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1800 UTC OCT 10.
24 HOUR FORECAST VALID 1800 UTC OCT 11.
48 HOUR FORECAST VALID 1800 UTC OCT 12.

.WARNINGS.

...TROPICAL STORM WARNING...
.48 HOUR FORECAST TROPICAL STORM JERRY NEAR 30.3N 62.0W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 40 NM W SEMICIRCLE...110 NM NE QUADRANT AND 100 NM SE
QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM N SEMICIRCLE WITH
SEAS TO 6 M. ELSEWHERE FROM 31N TO 34N BETWEEN 58W AND 64W 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 54N46W 987 MB MOVING NE 20 KT. WITHIN 120 OF LOW CENTER
EXCEPT NE QUADRANT WINDS 40 TO 50 KT. SEAS 4 TO 5.5 M. ELSEWHERE
FROM 58N TO 61N BETWEEN 41W AND 46W WINDS 35 TO 45 KT. SEAS TO 4
M. OTHERWISE FROM 47N TO 61N BETWEEN 36W AND 53W WINDS 25 TO 35
KT. SEAS 2.5 TO 5.5 M.
.06 HOUR FORECAST LOW 57N47W 985 MB. WITHIN 120 NM W OF A FRONT
TO EXTEND FROM 61N39W TO 58N44W TO 57N48W WINDS 45 TO 60 KT. SEAS
3 TO 6 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 61N40W 997 MB AND
NEW SECOND CENTER 64N39W 997 MB. N OF 64N E OF GREENLAND...AND
WITHIN 90 NM E OF A FRONT TO EXTEND FROM THE FIRST CENTER TO THE
SECOND CENTER WINDS 40 TO 55 KT. SEAS 3 TO 6 M. ELSEWHERE N OF
56N BETWEEN 35W AND 42W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW 63N36W 1015 MB. CONDITIONS DIMINISHED.

...STORM WARNING...
.LOW 39N48W 1013 MB MOVING NE 25 KT. FROM 36N TO 44N BETWEEN 41W
AND 59W WINDS 20 TO 30 KT. SEAS TO 4 M.
.12 HOUR FORECAST LOW 44N40W 1005 MB. FROM 35N TO 47N BETWEEN 36W
AND 50W WINDS 25 TO 40 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 47N37W 998 MB. WITHIN 120 NM W SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 3 TO 6 M. ELSEWHERE FROM 37N TO 51N
BETWEEN 35W AND 43W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 52N38W 978 MB. FROM 50N TO 54N BETWEEN 35W
AND 43W WINDS 40 TO 50 KT. SEAS 4 TO 7 M. ELSEWHERE BETWEEN 300
NM AND 600 NM S AND BETWEEN 300 NM AND 540 NM W QUADRANTS WINDS
35 TO 45 KT. SEAS 3 TO 6 M. OTHERWISE FROM 39N TO 60N BETWEEN 35W
AND 55W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.

...STORM WARNING...
.TROUGH EXTENDS FROM 35N75W TO 31N80W. FROM 31N TO 37N BETWEEN
57W AND 81W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 33N78W 999 MB. FROM 31N TO 39N BETWEEN 69W
AND 81W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.
.42 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 34N77W 997 MB.
FROM 36N TO 41N BETWEEN 62W AND 76W WINDS 35 TO 50 KT. SEAS 3 TO
6 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 35N76W 1001 MB.
FRONT TO EXTEND FROM THE LOW TO 38N73W TO 37N68W TO 37N61W.
WITHIN 150 NM N OF THE FRONT WINDS 35 TO 50 KT. SEAS 4 TO 7 M.
ELSEWHERE WITHIN 240 NM N OF THE FRONT WINDS 25 TO 35 KT. SEAS 3
TO 6 M. OTHERWISE FROM 32N TO 37N BETWEEN 56W AND 66W...AND 71W
AND 77W WINDS 20 TO 30 KT. SEAS TO 4 M.

...GALE WARNING...
.N OF 65N W OF GREENLAND...AND N OF 58N W OF 57W AREA OF SE TO S
WINDS 25 TO 35 KT. SEAS TO 3 M.
.24 HOUR FORECAST NEW LOW 65N62W 985 MB. N OF 53N W OF 47W WINDS
25 TO 40 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 68N59W 1006 MB. N OF 64N BETWEEN 51W AND
55W WINDS 25 TO 35 KT. SEAS TO 3 M. ELSEWHERE FROM 64N TO 65N
BETWEEN 55W AND 64W WINDS 20 TO 30 KT. SEAS TO 3 M.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 31N66W 1008 MB. FROM 31N TO 37N BETWEEN
57W AND 69W WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM
31N TO 34N BETWEEN 44W AND 57W WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW ABSORBED. CONDITIONS DESCRIBED ABOVE WITH
LOW 35N76W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 52N TO 61N
BETWEEN 35W AND 49W...AND N OF 61N W OF 60W.
.24 HOUR FORECAST DENSE FOG N OF 64N E OF GREENLAND...AND WITHIN
120 NM E OF A LINE FROM 58N49W TO 67N59W.
.48 HOUR FORECAST DENSE FOG FROM 52N TO 58N BETWEEN 35W AND
47W...AND FROM 59N TO 61N BETWEEN 46W AND 48W.

.FORECASTER HUFFMAN. OCEAN PREDICTION CENTER.

NWS 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 OCT 10.
24 HOUR FORECAST VALID 1800 UTC SAT OCT 11.
48 HOUR FORECAST VALID 1800 UTC SUN OCT 12.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM JERRY NEAR 21.5N 63.6W 1006 MB AT 2100 UTC OCT 10

MOVING NNW OR 340 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS
55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W SEMICIRCLE...150
NM
NE QUADRANT AND 130 NM SE QUADRANT. SEAS 4 M OR GREATER WITHIN
275
NM NE QUADRANT...210 NM SE QUADRANT...90 NM SW QUADRANT...AND 150
NM
NW QUADRANT WITH SEAS TO 5 M. ELSEWHERE FROM 15N TO 25N BETWEEN
58W
AND 64W WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF THE AREA
FROM
15N TO 25N BETWEEN 55W AND 67W WINDS 20 KT OR LESS. SEAS 2.5 TO 3
M
IN MIXED.
.24 HOUR FORECAST TROPICAL STORM JERRY NEAR 25.9N 63.2W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN
120 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS 4 M OR GREATER
WITHIN 275 NM NE QUADRANT...210 NM SE QUADRANT...90 NM SW
QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 6 M. ELSEWHERE
FROM
22N TO 27N BETWEEN 58W AND 65W WINDS 20 TO 33 KT. SEAS 3 TO 4 M.
REMAINDER OF THE AREA N OF 20N W OF 57W AND NE OF THE BAHAMAS
WINDS
20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM JERRY NEAR 30.3N 62.0W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN
40 NM W SEMICIRCLE...110 NM NE QUADRANT AND 100 NM SE QUADRANT.
OVER
FORECAST WATERS SEAS 4 M OR GREATER N OF 28N BETWEEN 58W AND 66W
WITH SEAS TO 6 M. ELSEWHERE OVER FORECAST WATERS N OF 26N BETWEEN

58W AND 63W WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF THE
AREA
N OF 26N BETWEEN 55W AND 77W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M
IN
MIXED SWELL.

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 NW OF A LINE FROM 31N62W TO 26N80W NE TO E WINDS 20 TO 30
KT.
SEAS 2.5 TO 3.0 M. N OF 25N BETWEEN 58W AND 65W SE TO S WINDS 20
TO
30 KT. SEAS 2.5 TO 3 M.
.24 HOUR FORECAST COLD FRONT FROM 31N78W TO 27N81W. N OF 29N W OF

FRONT N WINDS 20 TO 30 KT. SEAS 3 TO 4 FT. N OF 27N E OF FRONT TO
A
LINE FROM 31N74W TO 27N79W S TO SW WINDS 20 TO 30 KT. SEAS 2.5 TO
3
M. N OF 27N BETWEEN 58W AND 64W SE TO S WINDS 20 TO 25 KT. SEAS 3
TO
4 M IN MIXED SWELL. ELSEWHERE CONDITIONS MERGED WITH TROPICAL
STORM
JERRY DESCRIBED ABOVE.
.48 HOUR FORECAST COLD FRONT FROM 31N75W TO 25N80W. CONDITIONS
MERGED WITH TROPICAL STORM JERRY DESCRIBED ABOVE.

.GULF OF AMERICA N OF 24N E OF 89W NE WINDS 20 TO 25 KT. SEAS TO
2.5
M.
.12 HOUR FORECAST N OF 26N BETWEEN 88W NE WINDS 20 TO 25 KT. SEAS
TO
2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.36 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.

$$