536
FZNT01 KWBC 150422
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC OCT 15.
24 HOUR FORECAST VALID 0000 UTC OCT 16.
48 HOUR FORECAST VALID 0000 UTC OCT 17.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH FIRST LOW 37N64W 1002 MB MOVING SE 10 KT AND
SECOND LOW 36N61W 1002 MB DRIFTING E. WITHIN 240 NM NW QUADRANT
OF FIRST LOW AND 180 NM NW AND 120 NM NE QUADRANTS OF SECOND LOW
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 31N TO 42N
BETWEEN 58W AND 76W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST COMBINED LOW 36N59W 992 MB. WITHIN 180 NM N
AND NE...AND 360 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 5
M. ELSEWHERE FROM 31N TO 39N BETWEEN 52W AND 70W WINDS 20 TO 30
KT. SEAS TO 3.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 40N51W 988 MB. N OF
38N BETWEEN 65W AND 70W...AND FROM 31N TO 43N BETWEEN 56W AND
42W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.

...GALE WARNING...
.LOW 45N43W 992 MB MOVING E 15 KT. WITHIN 360 NM W AND SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 3.5 TO 5.5 M. ELSEWHERE WITHIN
420 NM W SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 44N35W 990 MB. WITHIN 420 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW MOVED E OF AREA. ASSOCIATED CONDITIONS
MOVED E OF AREA.

...GALE WARNING...
.LOW 31N44W 1004 MB MOVING NE 25 KT. WITHIN 120 NM N SEMICIRCLE
WINDS TO 25 KT. SEAS TO 2.5 M.
.12 HOUR FORECAST LOW 32N40W 1000 MB. WITHIN 90 NM OF LOW WINDS
25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW E OF AREA WITH NEW LOW 33N38W 1005 MB.
WITHIN 180 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW AND CONDITIONS MOVED E OF AREA.

...GALE WARNING...
.COMPLEX LOW WITH MAIN LOW 50N38W 999 MB MOVING W 10 KT. WITHIN
240 NM N SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 50N42W 995 MB. WITHIN 240 NM NW AND 420 NM
NE QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW DISSIPATED. FROM 53N TO 60N E OF 50W WINDS
TO 25 KT. SEAS TO 3 M.

...GALE WARNING...
.N OF 64N BETWEEN GREENLAND AND 59W AREA OF S WINDS 25 TO 35 KT.
SEAS TO 3 M.
.24 HOUR FORECAST N OF 64N BETWEEN GREENLAND 60W AREA OF S WINDS
25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST CONDTIONS DIMINISHED.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM
FROM 48N TO 54N BETWEEN 48W AND 54W...AND FROM 55N TO 59N
BETWEEN 45W AND 50W.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 56N BETWEEN 50W AND 60W
AND FROM 53N TO 58N E OF 50W.

.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 0000 UTC WED OCT 15.
24 HOUR FORECAST VALID 0000 UTC THU OCT 16.
48 HOUR FORECAST VALID 0000 UTC FRI OCT 17.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM LORENZO NEAR 19.6N 45.6W 1005 MB AT 0300 UTC OCT
15 MOVING NNW OR 345 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM E
SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 60
NM NE QUADRANT...90 NM SE QUADRANT...0 NM SW QUADRANT...AND 30 NM
NW QUADRANT WITH SEAS TO 4.0 M. ELSEWHERE WITHIN 23N44W TO
21N49W TO 16N50W TO 18N46W TO 17N44W TO 19N42W TO 23N44W WINDS
20 TO 33 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST TROPICAL STORM LORENZO NEAR 24.0N 42.6W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 0 NM OF CENTER EXCEPT 40 NM SE QUADRANT. SEAS 4 M OR
GREATER WITHIN 30 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE WITH
SEAS TO 3.5 M. ELSEWHERE CONDITIONS MERGE WITH SURFACE TROUGH IN
SECTION BELOW.
.36 HOUR FORECAST TROPICAL STORM LORENZO NEAR 26.9N 38.9W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.48 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 PRESSURE NEAR 29N49W 1006 MB. WITHIN 31N42W TO 31N45W
TO 27N46W TO 27N44W TO 29N41W TO 31N42W SW WINDS 20 TO 30 KT.
SEAS 2.5 TO 3.0 M. WITHIN 29N48W TO 29N49W TO 27N51W TO 25N51W TO
26N48W TO 29N48W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN W
SWELL.
.24 HOUR FORECAST SURFACE TROUGH FROM 31N61W TO 28N64W. WITHIN
31N35W TO 31N48W TO 24N49W TO 22N42W TO 26N42W TO 27N35W TO
31N35W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN MIXED SWELL.
.48 HOUR FORECAST SURFACE TROUGH FROM 31N55W TO 25N62W. WITHIN
28.5N35W TO 28.5N35.5W TO 28N36W TO 27.5N36W TO 27N35.5W TO
27.5N35W TO 28.5N35W SW TO W WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5
M.
ELSEWHERE WITHIN 31N35W TO 31N43W TO 26N46W TO 26N35W TO 31N35W
WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN SW TO W SWELL.

.ATLC 06 HOUR FORECAST COLD FRONT FROM 31N64W TO 24N72W. WITHIN
31N60W TO 31N63W TO 30N64W TO 29N65W TO 28N64W TO 31N60W SW TO W
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST COLD FRONT FROM 31N61W TO 20N70W. WITHIN
31N53W TO 31N60W TO 27N63W TO 25N63W TO 26N59W TO 31N53W SW TO W
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. WITHIN 31N61W TO 31N70W TO
30N70W TO 29N65W TO 28N64W TO 29N61W TO 31N61W NW WINDS 20 TO 25
KT. SEAS 2.5 TO 4.5 M. WITHIN 31N70W TO 31N77W TO 30N75W TO
29N74W TO 29N73W TO 30N71W TO 31N70W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN N SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N55W TO 20N67W. WITHIN 31N44W
TO 31N61W TO 27N63W TO 23N61W TO 24N50W TO 31N44W SW WINDS 20 TO
30 KT. SEAS 2.5 TO 4.5 M IN W TO NW SWELL.

.ATLC 48 HOUR FORECAST REINFORCING COLD FRONT FROM 31N63W TO
25N77W. WITHIN 31N62W TO 31N80W TO 27N76W TO 28N70W TO 31N62W N
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.

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

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.