455
FZNT01 KWBC 032223
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC FRI OCT 03 2025

CCODE/2:31:04:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 03.
24 HOUR FORECAST VALID 1800 UTC OCT 04.
48 HOUR FORECAST VALID 1800 UTC OCT 05.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 39N49W 979 MB MOVING NE 10 KT. WITHIN 120 NM SW AND W
SEMICIRCLES WINDS 55 TO 65 KT. SEAS 9 TO 11 M. ALSO WITHIN 180 NM
OF CENTER...EXCEPT WITHIN 240 NM N QUADRANT WINDS 40 TO 55 KT.
SEAS 5.5 M TO 9 M. ALSO FROM 31N TO 46N E OF 60W WINDS 25 TO 40
KT. SEAS 4 TO 7 M. ELSEWHERE S OF 47N E OF 70W WINDS TO 25 KT.
SEAS 2.5 M TO 4 M.
.24 HOUR FORECAST LOW 43N46W 982 MB. WITHIN 180 NM S SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 7 TO 9 M. ALSO FROM 35N TO 53N E OF 60W
WINDS 25 TO 40 KT. SEAS 3 TO 6 M. ELSEWHERE S OF 55N E OF 70W
WINDS TO 25 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 50N37W 987 MB. WITHIN 120 NM S AND W
SEMICIRCLES WINDS 40 TO 50 KT. SEAS 6 TO 8 M. ALSO FROM 44N TO
55N E OF 52W WINDS 25 TO 40 KT. SEAS 3 TO 6 M. ELSEWHERE FROM 35N
TO 55N E OF 60W WINDS LESS THAN 25 KT. SEAS 2.5 TO 4 M...EXCEPT
WHERE DESCRIBED BELOW WITH LOW 39N48W.

...GALE WARNING...
.LOW 59N28W 990 MB MOVING SE 30 KT. FROM 50N TO 60N E OF 40W
WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW DISSPATED E OF AREA. ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.FROM 48N TO 60N E OF 70W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M IN
MIXED SWELL.
.24 HOUR FORECAST NEW LOW 63N76W 991 MB. FROM 54N TO 62N E OF 45W
WINDS 25 TO 35 KT SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW NE OF AREA. ASSOCIATED CONDITIONS ABSORBED
BY LOW 61N36W DESCRIBED BELOW.

...GALE WARNING...
.LOW N OF AREA NEAR 67N60W 968 MB MOVING NE 10 KT. N OF 62N
WITHIN 120 NM W OF GREENLAND WINDS 35 TO 45 KT. SEAS 3 TO 4.5 M.
ELSEWHERE N OF 60N W OF GREENLAND WINDS 25 TO 35 KT. SEAS 2.5 TO
3.5 M.
.24 HOUR FORECAST LOW WELL N OF AREA. ASSOCIATED CONDITIONS
ABSORBED BY LOW 65N61W DESCRIBED BELOW.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 65N61W 1000 MB. FROM 52N TO 65N W OF
45W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED N OF AREA.

...GALE WARNING...
.48 HOUR FORECAST NEW COMPLEX LOW WITH MEAN CENTER 61N36W 984
MB.
.FROM 55N TO 64N E OF 53W WINDS 25 TO 40 KT. SEAS 2.5 TO 6
M...HIGHEST NEAR GREENLAND.

.SYNOPSIS AND FORECAST.

.S OF 34N W OF 73W WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST S OF 32N W OF 73W WINDS 20 TO 30 KT. SEAS TO
3.5 M.
.48 HOUR FORECAST S OF 33N W OF 70W WINDS 20 TO 30 KT. SEAS TO
3.5 M.

.48 HOUR FORECAST NEW LOW 39N48W 1015 MB. WITHIN 240 NM OF CENTER
WINDS 20 TO 30 KT. SEAS TO 3.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM W OF
GREENLAND.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM W OF GREENLAND.
.48 HOUR FORECAST DENSE FOG FROM 50N TO 55N E OF 40W.

.FORECASTER BYRD. 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 FRI OCT 3.
24 HOUR FORECAST VALID 1800 UTC SAT OCT  4.
48 HOUR FORECAST VALID 1800 UTC SUN OCT  5.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES NEAR 24.5N76W 1011 MB. WITHIN 31N73W TO 29N75W TO
25N78W TO 26N76W TO 29N74W TO 29N71W TO 31N73W...INCLUDING
ATLANTIC EXPOSURES...E WINDS 20 TO 25 KT. SEAS 2.5 TO 4.0 M.
ELSEWHERE WITHIN 31N70W TO 29N73W TO 31N81W TO 26N80W TO 25N76W
TO 20N70W TO 31N70W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN NE
SWELL.
.24 HOUR FORECAST LOW PRES NEAR 25N79W 1010 MB. WITHIN 31N79W TO
28N80W TO 27N76W TO 28N76W TO 28N71W TO 31N79W E WINDS 20 TO 25
KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 31N71W TO 28N73W TO
31N81W TO 26N80W TO 26N77W TO 21N70W TO 31N71W...INCLUDING
ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NE
SWELL.
.48 HOUR FORECAST LOW PRES NEAR 26N81W 1011 MB. WITHIN 31N73W TO
31N81W TO 29N80W TO 30N76W TO 28N74W TO 29N70W TO 31N73W E WINDS
20 TO 25 KT. SEAS 2.5 TO 4.0 M. ELSEWHERE WITHIN 31N70W TO
31N73W TO 29N74W TO 31N81W TO 28N80W TO 21N70W TO
31N70W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS
2.5 TO 3.5 M IN NE TO E SWELL.

.ATLC COLD FRONT FROM 31N48W TO 24N58W. STATIONARY FRONT FROM
24N58W TO 22.5N65W TO 24.5N766W. WITHIN 31N43W TO 31N48W TO
28N51W TO 27N50W TO 28N47W TO 31N43W SW WINDS 20 TO 30 KT. SEAS
4.0 TO 5.5 M IN W TO NW SWELL. ELSEWHERE WITHIN 31N41W TO 31N70W
TO 21N70W TO 19N62W TO 21N56W TO 31N41W...INCLUDING IN ATLANTIC
EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 6.0 M
IN N SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N45W TO 26N55W. STATIONARY
FRONT FROM 26N55W TO 24N65W TO 25.5N76W. WITHIN 31N35W TO 31N70W
TO 21N70W TO 14N58W TO 22N42W TO 31N35W...INCLUDING IN ATLANTIC
EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 5.0 M
IN N SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N40W TO 26N53W. STATIONARY
FRONT FROM 26N53W TO 24N65W TO 25.5N76W. WITHIN 31N36W TO 31N70W
TO 22N70W TO 13N58W TO 13N39W TO 31N36W...INCLUDING IN ATLANTIC
EXPOSURES AND PASSAGES AND ATLANTIC EXPOSURES...WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.5 M IN N SWELL.

.GULF OF AMERICA WITHIN 29N85W TO 29N88W TO 29N93W TO 28N92W TO
29N88W TO 28N85W TO 29N85W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 M
IN E SWELL.
.24 HOUR FORECAST WITHIN 29N85W TO 30N88W TO 29N89W TO 29N93W TO
28N93W TO 28N86W TO 29N85W E WINDS 20 TO 25 KT. SEAS 2.5 M IN E
SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.GULF OF AMERICA WITHIN 20N96W TO 19N96W TO 19N95W TO
20N96W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ...NW TO N
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.09 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 ADAMS. NATIONAL HURRICANE CENTER.

$$