113
FZNT01 KWBC 132134
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC MON OCT 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 13.
24 HOUR FORECAST VALID 1800 UTC OCT 14.
48 HOUR FORECAST VALID 1800 UTC OCT 15.

.WARNINGS.

...STORM WARNING...
.LOW 51N41W 980 MB MOVING SW 10 KT. FROM 48N TO 54N BETWEEN 42W
AND 48W WINDS 40 TO 50 KT. SEAS 5 TO 8.5 M. ELSEWHERE FROM 38N TO
60N BETWEEN 35W AND 52W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 47N44W 989 MB. WITHIN 240 NM SW AND W
QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM 37N
TO 53N BETWEEN 40W AND 52W...AND FROM 34N TO 39N BETWEEN 35W AND
40W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 44N38W 990 MB. FROM 38N TO 44N BETWEEN 35W
AND 44W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.

...STORM WARNING...
.N OF 65N BETWEEN 52W AND 56W AREA OF SE TO S WINDS 40 TO 55 KT.
SEAS 3 TO 6 M. ELSEWHERE N OF 60N W OF 52W WINDS 25 TO 40  KT.
SEAS TO 4 M.
.24 HOUR FORECAST FROM 63N TO 66N BETWEEN 51W AND 55W AREA OF SE
TO S WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.30 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 38N74W 1005 MB MOVING SE 05 KT. WITHIN 300 NM N OF A FRONT
EXTENDING FROM THE LOW TO 40N70W TO 38N64W WINDS 30 TO 45 KT.
SEAS 3 TO 6.5 M. ELSEWHERE WITHIN 90 NM W AND NW QUADRANTS WINDS
20 TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED BELOW WITH
LOW 35N69W.

...GALE WARNING...
.LOW 33N77W 1005 MB MOVING NE 15 KT. FROM 31N TO 35N BETWEEN 75W
AND 79W WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 35N69W 1002 MB. BETWEEN 180 NM AND 420 NM
NW...AND BETWEEN 240 NM AND 480 NM N QUADRANTS WINDS 25 TO 35 KT.
SEAS TO 3 TO 4.5 M. ELSEWHERE FROM 31N TO 43N BETWEEN 64W AND 77W
WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW ABSORBED. CONDITIONS DESCRIBED BELOW WITH
LOW 36N62W.

...GALE WARNING...
.LOW 36N59W 1010 MB MOVING SE 20 KT. WITHIN AN AREA BOUNDED BY A
LINE FROM 42N60W TO 33N48W TO 37N60W TO 42N60W WINDS 30 TO 45 KT.
SEAS 3 TO 5.5 M.
.24 HOUR FORECAST LOW 33N51W 1005 MB. WITHIN 180 NM N OF A FRONT
TO EXTEND FROM 31N44W TO THE LOW TO 34N56W WINDS 20 TO 30 KT.
SEAS TO 3 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 33N45W 1000 MB.
FROM 31N TO 34N BETWEEN 35W AND 46W WINDS 25 TO 35 KT. SEAS TO 4
M.

...GALE WARNING...
.24 HOUR FORECAST NEW COMPLEX LOW WITH MEAN CENTER 36N64W 1003
MB. WITHIN 240 NM SE QUADRANT...AND WITHIN 240 NM N OF A FRONT TO
EXTEND FROM 34N56W TO THE LOW TO 38N64W WINDS 25 TO 35 KT. SEAS
TO 4 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 35N63W 993 MB.
FROM 32N TO 38N BETWEEN 59W AND 69W WINDS 30 TO 40 KT. SEAS 3 TO
5 M. ELSEWHERE FROM 31N TO 39N BETWEEN 50W AND 74W WINDS 20 TO 30
KT. SEAS 2.5 TO 4.5 M.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW E OF AREA 49N34W 997 MB. FROM 49N TO
53N BETWEEN 35W AND 40W WINDS 25 TO 35 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM 50N38W 993
MB. FROM 50N TO 56N BETWEEN 35W AND 45W WINDS 25 TO 35 KT. SEAS
2.5 TO 4.5 M.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST N OF 65N BETWEEN 35W AND 37W AREA OF SW WINDS
20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.36 HOUR FORECAST LOW INLAND 61N69W 1003 MB. N OF 55N BETWEEN 53W
AND 61W AREA OF SE WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW INLAND 62N69W 1003 MB. N OF 57N BETWEEN 53W
AND 62W AREA OF SE TO S WINDS 20 TO 30 KT. SEAS TO 3.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 65N BETWEEN 52W
AND 56W.
.24 HOUR FORECAST DENSE FOG FROM 61N TO 63N BETWEEN 63W AND 66W.
.48 HOUR FORECAST DENSE FOG FROM 54N TO 61N BETWEEN 35W 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 MON OCT 13.
24 HOUR FORECAST VALID 1800 UTC TUE OCT 14.
48 HOUR FORECAST VALID 1800 UTC WED OCT 15.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM LORENZO NEAR 15.2N 41.7W 1002 MB AT 2100 UTC OCT
13
MOVING NW OR 305 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS
55 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM NE QUADRANT...130
NM
SE QUADRANT...0 NM SW QUADRANT...AND 90 NM NW QUADRANT. SEAS 4 M
OR
GREATER WITHIN 120 NM NE QUADRANT...150 NM SE QUADRANT...30 NM SW

QUADRANT...AND 90 NM NW QUADRANT WITH SEAS TO 5 M. ELSEWHERE
WITHIN
210 NM E SEMICIRCLE AND 120 NM NW QUADRANT OF CENTER WINDS 20 TO
33
KT. SEAS 3 TO 4 M. REMAINDER OF THE AREA FROM 10N TO 18N BETWEEN
36W AND 45W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM LORENZO NEAR 17.8N 44.3W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 100 NM NE QUADRANT...80 NM SE QUADRANT...0 NM SW
QUADRANT...AND 60 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 120
NM
NE QUADRANT...150 NM SE QUADRANT...30 NM SW QUADRANT...AND 90 NM
NW
QUADRANT WITH SEAS TO 5 M. ELSEWHERE WITHIN 210 NM E SEMICIRCLE
AND
120 NM NW QUADRANT OF CENTER WINDS 20 TO 33 KT. SEAS 3 TO 4 M.
REMAINDER OF THE AREA FROM 11N TO 23N BETWEEN 36W AND 50W WINDS
20
KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM LORENZO NEAR 22.6N 43.6W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 30
NM
SW QUADRANT. SEAS 4 M OR GREATER WITHIN 60 NM NW AND SE
QUADRANTS...
90 NM NE QUADRANT AND 30 NM SW QUADRANT WITH SEAS TO 5.5 M.
ELSEWHERE WITHIN 180 NM E SEMICIRCLE...45 NM SW QUADRANT AND 90
NW
QUADRANT WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF THE AREA
FROM 15N TO 25N BETWEEN 40W AND 50W 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 SURFACE TROUGH FROM 31N57W TO 26N58W. N OF 28 W OF TROUGH
TO
60W NW WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. N OF 28N E OF TROUGH
TO
56W SW WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.12 HOUR FORECAST TROUGH FROM 31N55W TO 25N57W. N OF 27 W OF
TROUGH
TO 58W NW WINDS 20 TO 25 KT. SEAS 2.5 M.
.24 HOUR FORECAST TROUGH FROM 31N51W TO 25N55W. FROM 25N TO 28N E
OF
TROUGH TO 50W SW WINDS 20 TO 25 KT. SEAS 2.5 M.
.36 HOUR FORECAST TROUGH FROM 31N48W TO 25N55W. N OF 25N E OF
TROUGH
TO 38W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST TROUGH FROM 31N48W TO 26N55W. N OF 25N E OF
TROUGH
TO 35W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M...EXCEPT 3 TO 4 M N
OF
28N E OF TROUGH TO A LINE FROM 31N41W TO 28N45W.

.ATLC COLD FRONT FROM 31N72W TO 23N80W. N OF 30N BETWEEN 75W AND
78W
W TO NW WINDS 20 TO 25 KT. SEAS 2.5 M.
.24 HOUR FORECAST COLD FRONT FROM 31N67W TO 23N80W. N OF 30N W OF

FRONT TO 77W W TO NW WINDS 20 TO 25 KT. SEAS TO 2.5 M. N OF 30N E
OF
FRONT 64W SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST COLD FRONT FROM 31N64W TO 22N77W. N OF 29N W OF

FRONT TO 74W W TO NW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
ELSEWHERE
N OF 29N W OF FRONT TO 80W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M
IN
NE SWELL. N OF 27N E OF FRONT TO 56W SW WINDS 20 TO 30 KT. SEAS
2.5
TO 3 M.

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


.FORECASTER GR. NATIONAL HURRICANE CENTER.

$$