328
FZNT01 KWBC 151550
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC WED OCT 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 15.
24 HOUR FORECAST VALID 1200 UTC OCT 16.
48 HOUR FORECAST VALID 1200 UTC OCT 17.

.WARNINGS.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW TO FORM NEAR 43N63W 1001 MB. S OF 45N W
OF 64W WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.30 HOUR FORECAST LOW 43N64W 999 MB. WITHIN 360 NM W QUADRANT
WINDS 25 TO 35 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 40N63W 984 MB. WITHIN 180 NM NW SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 4.5 TO 6.5 M. ELSEWHERE S OF 46N BETWEEN
53W AND 79W WINDS WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. ALSO WITHIN
THE GULF OF SAINT LAWRENCE WINDS 20 TO 30 KT. SEAS LESS THAN 2.5
M.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 34N63W 997 MB MOVING NE 20 KT. S OF
40N BETWEEN 57W AND 80W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
ELSEWHERE S OF 37N BETWEEN 48W AND 57W WINDS 20 TO 30 KT. SEAS TO
3 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 37N55W 989 MB. S
OF 41N BETWEEN 44W AND 59W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW 40N49W 992 MB. WITHIN 240 NM N QUADRANT
WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE S OF 44N E OF 53W
WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.

...GALE WARNING...
.LOW 43N40W 991 MB MOVING NE 15 KT. WITHIN 420 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE WITHIN 480 NM W
QUADRANT AND 480 NM SW SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 4 M.
ALSO FROM 33N TO 47N E OF 54W WINDS LESS THAN 25 KT. SEAS TO 3.5
M.
.24 HOUR FORECAST LOW MOVED JUST E OF AREA 48N32W 990 MB. WITHIN
240 NM W SEMICIRCLE AND FROM 49N TO 60N E OF 49W WINDS 20 TO 30
KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW E OF AREA NEAR 52N30W 981 MB. FROM 48N TO
60N E OF 49W WINDS TO 25 KT. SEAS TO 3.5 M.

...GALE WARNING...
.LOW 33N36W 1004 MB MOVING NE 25 KT. S OF 33N E OF 42W WINDS 25
TO 35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW MOVED E OF AREA WITH NEW LOW TO FORM NEAR
33N36W 1008 MB. WITHIN 240 NM S QUADRANT WINDS 20 TO 30 KT. SEAS
TO 4 M. ELSEWHERE S OF 37N E OF 44W WINDS LESS THAN 25 KT. SEAS
TO 3 M.
.36 HOUR FORECAST LOW AND CONDITIONS MOVED WELL E OF AREA.

...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 50N40W 994 MB MOVING SW 10 KT AND
SECOND CENTER 50N35W 993 MB MOVING SE 10 KT. FROM 49N TO 57N E OF
48W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST COMBINED LOW 48N45W 999 MB. WITHIN 360 NM SE
QUADRANT WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.N OF 54N BETWEEN 51W AND 62W AREA OF S TO SE WINDS 25 TO 35 KT.
SEAS TO 3 M.
.24 HOUR FORECAST N OF 64N W OF GREENLAND COAST AREA OF S WINDS
25 TO 35 KT. SEAS TO 3 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM  FROM 53N TO 56N
BETWEEN 43W AND 50W AND FROM 58N TO 60N E OF 37W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM SW AND W OF A LINE FROM
47N45W TO 55N54W TO 65N52W...WITHIN 60 NM OF 66N58W...AND FROM
52N TO 57N E OF 42W.
.48 HOUR FORECAST DENSE FOG FROM 52N TO 57N BETWEEN 37W AND 53W
AND FROM 49N TO 56N BETWEEN 51W AND 59W.

.FORECASTER JOSEPH. 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 1200 UTC WED OCT 15.
24 HOUR FORECAST VALID 1200 UTC THU OCT 16.
48 HOUR FORECAST VALID 1200 UTC FRI OCT 17.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM LORENZO NEAR 21.5N 44.1W 1005 MB AT 1500 UTC OCT
15 MOVING NNE OR 015 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W
SEMICIRCLE...50
NM NE QUADRANT AND 30 NM SE QUADRANT.  SEAS 4 M OR GREATER
WITHIN 0
NM W SEMICIRCLE...45 NM NE QUADRANT AND 60 NM SE QUADRANT WITH
SEAS
TO 4.5X M. ELSEWHERE WITHIN 120 NM E SEMICIRCLE WINDS 20 TO 33
KT.
SEAS 3 TO 4 FT. REMAINDER OF THE AREA FROM 19N TO 24N BETWEEN
42W AND
46W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M.
.12 HOUR FORECAST TROPICAL STORM LORENZO NEAR 23.7N 42.1W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST...DISSIPATED.

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 LOW PRES NEAR 29N46W 1001 MB. TROUGH FROM LOW CENTER TO
22N55W. N OF 24N E OF TROUGH TO 35W SW WINDS 20 TO 30 KT WITH
HIGHER GUSTS.  SEAS 2.5 TO 3.0 M...EXCEPT 3 TO 4 M FROM 28N TO
30N
BETWEEN 44W AND 46W.
.24 HOUR FORECAST TROUGH DISSIPATED. N OF 25N E OF 38W SW WINDS
20 TO 30 KT.  SEAS 3 TO 4 M. ELSEWHERE N OF 28N E OF 45W WINDS
20 KT
OR LESS. SEAS 2.5N TO 3 M IN NW SWELL. ELSEWHERE N OF 24N E OF
50W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.48 HOUR FORECAST CONDITIONS MERGED WITH COLD FRONT BELOW.

.ATLC  COLD FRONT FROM 31N62W TO 23N80W. N OF 29N W OF FRONT TO
78W W TO NW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. N OF 27N E OF
FRONT
TO 58W SW WINDS 20 TO 25 KT WITH HIGHER GUSTS. SEAS 2.5 TO 3 M.
.24 HOUR FORECAST COLD FRONT FROM 31N58W TO 22N75W. N OF 27N W OF
FRONT TO 77W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW TO N
SWELL. N OF 25N E OF FRONT TO 50W  SW WINDS 20 TO 30 KT. SEAS
2.5 TO 3
M...EXCEPT 3 TO 4 M N OF 28N E OF FRONT TO A LINE FROM 31N53W TO
28N56W.
.48 HOUR FORECAST REINFORCING FRONT FROM 31N60W TO 23N80W. N OF
26N W OF FRONT TO 73W W TO NW WINDS 20 TO 30 KT. SEAS 2.5 TO 3
M.
ELSEWHERE N OF 26N W OF FRONT TO 78W WINDS 20 KT OR LESS. SEAS
2.5 TO 3 M IN N TO NE SWELL. N OF 22N E OF FRONT TO A LINE FROM
31N42W TO 22N55W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M EXCEPT 3
TO 4 M N OF 29N BETWEEN 47W AND 52W.  ELSEWHERE N OF 22N E OF
FRONT TO A LINE
FROM 31N40W TO 22N55W...AND NE OF A LNE FROM 31N40W TO 28N35W
WINDS
20 KT OR LESS. SEAS 2.5M PRIMARY IN N SWELL.

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


.FORECASTER GR. NATIONAL HURRICANE CENTER.

$$