633
FZNT01 KWBC 111623
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV...AMENDED PART II
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SAT OCT 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC OCT 11.
24 HOUR FORECAST VALID 1200 UTC OCT 12.
48 HOUR FORECAST VALID 1200 UTC OCT 13.

.WARNINGS.

...TROPICAL STORM WARNING...
.24 HOUR FORECAST TROPICAL STORM JERRY NEAR 30.3N 62.0W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 0 NM W SEMICIRCLE...120 NM NE QUADRANT AND 140 NM SE
QUADRANT. SEAS 4 M OR GREATER 180 E SEMICIRCLE...120 NM SW
SEMICIRCLE AND 90 NM NW SEMICIRCLE WITH SEAS TO 6 M. FROM 31N TO
34N BETWEEN 56W AND 65W WINDS 20 TO 33 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST POST-TROPICAL JERRY NEAR 32.6N 59.0W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 50 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW
QUADRANT...AND 0 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 180
NM NE...180 NM SE...AND 180 NM SW QUADRANTS WITH SEAS TO 4.5 M.
ELSEWHERE FROM FROM 31N TO 35N BETWEEEN 55W AND 62W WINDS 20 TO
33 KT. SEAS TO TO 3 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 59N41W 994 MB MOVING NE 20 KT. FRONT EXTENDS FROM LOW TO
62N40W TO 64N35W. WITHIN 90 NM W QUADRANT...AND 90 NM W AND NW
OF FRONT WINDS 35 TO 50 KT. SEAS 2.5 TO 6 M. ELSEWHERE N OF 55N
BETWEEN 35W AND 45W WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M.
.24 HOUR FORECAST LOW 64N36W 1010 MB. WITHIN 120 NM W AND NW
QUADRANTS WINDS TO 25 KT. SEAS TO 3 M.
.36 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

...STORM WARNING...
.LOW 45N37W 1003 MB MOVING N 20 KT AND INTENSIFYING..THEN
TURNING MORE NW AFTER 24 HOURS. FROM 37N TO 48N BETWEEN 35W AND
44W WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M.
.06 HOUR FORECAST LOW 46N36W 998 MB. WITHIN 90 NM SW SEMICIRCLE
WINDS 35 TO 50 KT. SEAS 3.5 TO 5.5 M.
.24 HOUR FORECAST LOW50N36W 983 MB. WITHIN 120 NM S AND SW
SEMICIRCLES WINDS 35 TO 50 KT. SEAS 4 TO 7 M. ALSO FROM 46N TO
55N E OF 41W...AND FROM 42N TO 56N BETWEEN 40W AND 56W WINDS 25
TO 40 KT. SEAS 2.5 TO 5.5 M.
.48 HOUR FORECAST LOW 52N41W 983 MB. WITHIN 300 NM W SEMICIRCLE
WINDS 40 TO 55 KT. SEAS 5.5 TO 8.5 M. ELSEWHERE FROM 43N TO 60N
BETWEEN 35W AND 50W WINDS 25 TO 40 KT. SEAS 2.5 TO 7 M...HIGHEST
W AND SW OF LOW.

...STORM WARNING...
.FROM 31N TO 36N W OF 60W AREA OF E TO NE WINDS 25 TO 35 KT.
SEAS 2.5 TO 5 M.
.06 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 33N76W 1000 MB. FROM
31N TO 36N W OF 62W WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST LOW 34N76W 996 MB AND
SECOND LOW 36N73W 997 MB. FROM 36N TO 40N BETWEEN 64W AND 75W
WINDS 35 TO 50 KT. SEAS 4.5 TO 7 M. ELSEWHERE FROM 34N TO 42N W
OF 60W WINDS 25 TO 40 KT. SEAS 4 TO 5.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 39N72W 1003 MB.
FRONT TO EXTEND FROM LOW TO 39N68W TO 35N56W. WITHIN 240 NM N OF
FRONT WINDS WINDS 25 TO 40 KT. SEAS 4 TO 7 M.

...GALE WARNING...
.COMPLEX LOW WITH FIRST LOW 66N62W 983 MB MOVING NE 20 KT AND
SECOND LOW 61N54W 990 MB MOVING NE 20 KT. WITHIN 360 NM W
QUADRANT OF SECOND LOW AND WITHIN 120 NM E AND NE OF FRONT FROM
FIRST LOW TO 64N56W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 67N58W 1001 MB. WITHIN 120 NM E AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW W OF AREA. N OF 65N W OF 53W AREA OF S
WINDS 35 TO 50 KT. SEAS 3 TO 5.5 MB. ELSEWHERE N OF 63N W OF 53W
WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 58N TO 67N
BETWEEN 51W AND 61W.
.24 HOUR FORECAST DENSE FOG N OF 65N BETWEEN GREENLAND AND
58W...AND FROM 52N TO 56N E OF 40W.
.48 HOUR FORECAST DENSE FOG N OF 65N BETWEEN 53W AND 58W.

.FORECASTER ROWLAND. 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 SAT OCT 11.
24 HOUR FORECAST VALID 1200 UTC SUN OCT 12.
48 HOUR FORECAST VALID 1200 UTC MON OCT 13.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM JERRY NEAR 25.8N 63.2W 1005 MB AT 1500 UTC OCT
11 MOVING N OR 05 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W
SEMICIRCLE...150 NM NE QUADRANT AND 180 NM SE QUADRANT.  SEAS 4
M OR GREATER WITHIN 180 NM NE QUADRANT...240 NM SE QUADRANT...90
NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 7 M.
ELSEWHERE WITHIN 27N60W TO 29N61W TO 28N63W TO 27N64W TO 24N62W
TO
25N60W TO 27N60W WINDS 20 TO 33 KT. SEAS 3.5 TO 4 M. REMAINDER
OF AREA WITHIN 28N57W TO 31N59W TO 31N65W TO 22N65W TO 20N61W TO
21N58W TO 28N57W SE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M
PRIMARILY IN S SWELL.
.24 HOUR FORECAST TROPICAL STORM JERRY NEAR 30.3N 62.0W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 0 NM W SEMICIRCLE...120 NM NE QUADRANT AND 140 NM SE
QUADRANT. SEAS 4 M OR GREATER WITHIN 180 E SEMICIRCLE...120 NM SW
SEMICIRCLE AND 90 NM NW SEMICIRCLE WITH SEAS TO 6 M. ELSEWHERE
OVER FORECAST WATERS S OF 31N WITHIN 31N59W TO 31N64W TO 29N64W
TO 28N62W TO
29N59W TO 31N59W WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF
AREA WITHIN 31N56W TO 31N65W TO 27N66W TO 25N61W TO 26N57W TO
31N56W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL JERRY NEAR 32.6N 59.0W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 50 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW
QUADRANT...AND 0 NM NW QUADRANT. OVER FORECAST WATERS WITHIN
31N56W
TO 31N60W TO 29N59W TO 29N57W TO 31N56W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN SW SWELL.

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

...GALE WARNING...
.ATLC LOW PRESSURE NEAR 30.5N77W 1004 MB. WITHIN 31N72W TO
31N78W TO 31N81W TO 29N81W TO 31N72W NE TO E WINDS 25 TO 35 KT.
SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 31N65W TO 31N79W TO 27N79W
TO 26N72W TO 21N65W TO 31N65W WINDS 20 KT OR LESS. SEAS 2.5 TO
4.5 M IN E TO SE SWELL.
.12 HOUR FORECAST LOW PRESSURE NE OF AREA. WITHIN 31N78W TO
31N81W TO 29N81W TO 29N79W TO 31N78W NW TO N WINDS 25 TO 35 KT.
SEAS 3 TO 5 M. ELEWHERE WITHIN 31N65W TO 31N78W TO 28N80W TO
23N71W TO 24N65W TO 31N65W SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.24 HOUR FORECAST WITHIN 31N70W TO 30N76W TO 31N82W TO 29N76W TO
26N74W TO 28N71W TO 31N70W SW WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5
M IN E TO SE SWELL. ELSEWHERE WITHIN 30N65W TO 31N65W TO 31N70W
TO 30N81W TO 25N73W TO 30N65W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN E TO SE SWELL.
.48 HOUR FORECAST WITHIN 31N75W TO 31N78.5W TO 30.5N78.5W TO
30N78W TO 30N75.5W TO 31N75W W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0
M. ELSEWHERE WITHIN 31N70W TO 31N80W TO 29N79W TO 30N75W TO
29N73W TO 29N71W TO 31N70W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN SE SWELL.

.SYNOPSIS AND FORECAST.

.ATLC 24 HOUR FORECAST TROPICAL WAVE S OF 18N ALONG 35W. WITHIN
15N35W TO 15N38W TO 13N37W TO 12N35W TO 15N35W E WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.48 HOUR FORECAST TROPICAL WAVE S OF 20N ALONG 40W. WITHIN
16N36W TO 18N38W TO 18N41W TO 16N43W TO 14N41W TO 14N36W TO
16N36W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN E SWELL.

.GULF OF AMERICA WITHIN 30N83W TO 30N87W TO 28N90W TO 27N84W TO
30N83W N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.12 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 CHRISTENSEN. NATIONAL HURRICANE CENTER.