143
FZNT01 KWBC 121617
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SUN OCT 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 12.
24 HOUR FORECAST VALID 1200 UTC OCT 13.
48 HOUR FORECAST VALID 1200 UTC OCT 14.

.WARNINGS.

...STORM WARNING...
.LOW 33N77W 992 MB WILL REMAIN NEARLY STATIONARY NEXT 24 HOURS
THEN MOVE NE 10 KT. FROM 37N TO 41N BETWEEN 62W AND 76W WINDS 35
TO 50 KT. SEAS 4 TO 6 M. ALSO WITHIN 240 NM S AND SE QUADRANTS
AND FROM 35N TO 42N W OF 59W WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M.

.24 HOUR FORECAST COMPLEX LOW WITH FIRST LOW 34N77W 1003 MB AND
SECOND NEW LOW 39N73W 1003 MB. FRONT TO EXTEND FROM SECOND LOW
TO 39N70W TO 37N60W TO 33N52W. WITHIN 240 NM N AND NE OF FRONT
WINDS 25 TO 40 KT. SEAS 3.5 TO 6.5 M. ELSEWHERE WITHIN 300 NM N
AND NE OF FRONT AND 180 NM S SEMICIRCLE OF FIRST LOW WINDS 20 TO
30 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 36N73W 1004 MB.
WITHIN 240 NM W AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO
3.5 M.

...STORM WARNING...
.LOW 49N35W 986 MB WILL MOVE N AND THEN NW  20 KT THEN TURNING S
AFTER 24 HOURS. WITHIN 120 NM S SEMICIRCLE WINDS 40 TO 55 KT.
SEAS 4 TO 6.5 M. ELSEWHERE FROM 44N TO 53N E OF 40W...AND FROM
40N TO 48N BETWEEN 40W AND 53W...AND FROM 48N TO 57N BETWEEN 46W
AND 53W WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M.
.24 HOUR FORECAST LOW 53N43W 982 MB. WITHIN 240 NM W SEMICIRCLE
WINDS 40 TO 55 KT. SEAS 5 TO 8 M. ELSEWHERE FROM 44N TO 58N E OF
50W...AND FROM 58N TO 61N BETWEEN 39W AND 48W WINDS 25 TO 40 KT.
SEAS 2.5 TO 6.5 M...HIGHEST SW AND S OF LOW
.48 HOUR FORECAST LOW 48N43W 986 MB. WITHIN 360 NM W SEMICIRCLE
AND 240 NM E AND NE QUADRANTS WINDS 25 TO 40 KT. SEAS 4 TO 6.5
M...HIGHEST W AND SW OF LOW.

...STORM WARNING...
.LOW 67N58W 1002 MB MOVING N 20 KT. WITHIN 180 NM SE AND 300 NM
SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW NW OF AREA. N OF 65N W OF GREENLAND AREA
OF SE WINDS 35 TO 50 KT. SEAS 3 TO 6 M. ELSEWHERE NW AND N OF A
LINE FROM 60N64W TO 63N55W TO 65N53W WINDS 25 TO 40 KT. SEAS 2.5
TO 5 M.
.48 HOUR FORECAST LOW 66N60W 1011 MB. N OF 64N W OF GREENLAND
AREA OF SW WINDS TO 25 KT. SEAS TO 2.5 M.

...GALE WARNING...
.LOW NEAR 31N62W 1009 MB MOVING NE 15 KT THEN TURNING SE AFTER
24 HOURS. FROM 31N TO 35N BETWEEN 57W AND 63W WINDS 25 TO 35 KT.
SEAS 3 TO 5.5 M.
.24 HOUR FORECAST LOW 34N58W 1009 MB. WITHIN 240 NM S SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 31N50W 1004 MB. WITHIN 180 NM NE AND 240
NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 51N TO 55N E
OF 39W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.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 SUN OCT 12.
24 HOUR FORECAST VALID 1200 UTC MON OCT 13.
48 HOUR FORECAST VALID 1200 UTC TUE OCT 14.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC REMNANTS OF JERRY NEAR 30.5N63W 1009 MB. N OF 27N BETWEEN
59W AND 62W SE TO S WINDS 25 TO 35 KT. SEAS 3 TO 4.5M. FROM 25N
TO
27N BETWEEN 59W AND 62W S TO SW WINDS 20 TO 25 KT. SEAS 3 TO 4.5
M
IN S SWELL. ELSEWHERE N OF 24N BETWEEN 55W AND 65W WINDS 20 KT
OR
LESS. SEAS 2.5 TO 3 M IN S SWELL...EXCEPT 3 TO 4.5 M N OF 29N
BETWEEN
62W AND 65W.
.06 HOUR FORECAST REMNANTS OF JERRY N OF AREA. OVER FORECAST
WATERS N OF 29N BETWEEN 58W AND 64W S TO SW WINDS 20 TO 30 KT.
SEAS 3
TO 4.5 M IN S SWELL. ELSEWHERE N OF 27N BETWEEN 55W AND 65W
WINDS
20 KT OR LESS. SEAS 2.5 TO 3 M IN S SWELL.
.12 HOUR FORECAST N OF 27N BETWEEN 58W AND 62W S TO SW WINDS 20
TO 25 KT. SEAS 2.5 TO 3 M. ELSEWHERE N OF 28N BETWEEN 55W AND
65W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN S SWELL.
.24 HOUR FORECAST N OF 30.5N BETWEEN 55W AND 60W WINDS 20 KT OR
LESS. SEAS 2.5 M IN S SWELL.
.36 HOUR FORECAST N OF 30N BETWEEN 54W AND 57WNW WINDS 20 TO 25
KT. SEAS 2.5 M.
.48 HOUR FORECAST COLD FRONT FROM 31N50W TO 25N58W. N OF 26N E
OF FRONT TO 35W SW WINDS 20 TO 25 KT. SEAS TO 2.5 M. N OF 28N W
OF
FRONT TO 55W NW WINDS 20 TO 25 KT. SEAS 2.5 M.


.SYNOPSIS AND FORECAST.

.ATLC STATIONARY FRONT FROM 31N73W TO 23N81W. N OF 25N E OF FROM
TO A LINE FROM 31N71W TO 25N75W SW WINDS 20 TO 25 KT. SEAS 2.5
TO 3
M. ELSEWHERE W OF 65W AND NW OF A LINE FROM 27N65W TO 24N71W
WINDS
20 KT OR LESS. SEAS 2.5 TO 3 M IN SE TO E SWELL...EXCEPT 3 TO 4
M N
OF 29N BETWEEN 70W AND 80W.
.24 HOUR FORECAST STATIONARY FRONT FROM 31N72W TO 23N80W. N OF
28N BETWEEN 69W AND 78W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN
SE
SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N68W TO 23N79W. N OF 29N
BETWEEN 72W AND 79W NW WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.

.ATLC LOW PRES NEAR 27N51W 1007 MB. FROM 27N TO 29N BETWEEN 49W
AND 53W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.ATLC LOW PRES NEAR 10N35W 1008 MB. FROM 10N TO 13N E OF 37W NE
TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.24 HOUR FORECAST LOW PRES..PSBL TRPCL CYCLONE..NEAR 12N39W 1007
MB. WITHIN 180 NM N SEMICIRCLE AND 210 NM SE QUADRANT WINDS 20
TO 30
KT. SEAS 3 TO 4 FT. ELSEWHERE N OF 09N AND E OF 42W WINDS 20 KT
OR
LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.48 HOUR FORECAST LOW PRES..PSBL TRPCL CYCLONE..NEAR 15N43W 1008
MB.
WITHIN 210 NM E SEMICIRCLE WINDS 20 TO 30 KT. SEAS 3 TO 4 M.
ELSEWHERE FROM 12N TO 20N BETWEEN 37W AND 47W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.