183
FZNT01 KWBC 030422
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC OCT 03.
24 HOUR FORECAST VALID 0000 UTC OCT 04.
48 HOUR FORECAST VALID 0000 UTC OCT 05.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER 33N55W 992 MB MOVING NE 20 KT AND
A SECOND CENTER 35N52W 990 MB MOVING NE 15 KT. WITHIN 120 NM SW
AND W SEMICIRCLES OF MAIN CENTER...AND WITHIN 120 NM SE AND 240
NM NW SEMICIRCLES OF SECOND CENTER WINDS 40 TO 55 KT. SEAS 6 TO
8.5 M. ELSEWHERE FROM 31N TO 42N BETWEEN 44W AND 62W WINDS 25 TO
40 KT. SEAS 3 TO 7 M...HIGHEST NEAR SECOND CENTER.
.24 HOUR FORECAST COMBINED LOW 39N49W 980 MB. WITHIN 120 NM SW
SEMICIRCLE WINDS 50 TO 65 KT. SEAS 9 TO 11 M.  ALSO WITHIN 240
NM W AND 180 NM E SEMICIRCLES WINDS 35 TO 50 KT. SEAS 4.5 TO 7
M. ELSEWHERE FROM 31N TO 45N BETWEEN 37W AND 56W WINDS 25 TO 40
KT. SEAS 3 TO 6.5 M...HIGHEST SW OF LOW. ADDITIONALLY S OF 46N E
OF 62W WINDS TO 25 KT. SEAS 2.5 TO 5.5 M IN MIXED SWELL.
.48 HOUR FORECAST LOW 44N45W 982 MB. WITHIN 180 NM OF CENTER
EXCEPT N QUADRANT WINDS 40 TO 55 KT. SEAS 6 TO 9 M. ALSO FROM
36N TO 53N E OF 61W WINDS 25 TO 40 KT. SEAS 2.5 TO 6.5 M.
ELSEWHERE S OF A LINE FROM 36N70W TO 50N50W TO 50N35W WINDS LESS
THAN 25 KT. SEAS 2.5 TO 4.5 M IN MIXED SWELL.

...GALE WARNING...
.COMPLEX LOW WITH MULTIPLE CENTERS AND MAIN CENTER E OF AREA
48N27W 990 MB MOVING NE 40 KT AND RAPIDLY INTENSIFYING. WITHIN
240 NM SE OF A FRONT FROM 44N35W TO 39N38W WINDS 30 TO 45 KT.
SEAS 3 TO 6 M. ELSEWHERE S OF 51N E OF 38W WINDS 20 TO 30 KT.
SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 61N38W 981 MB MOVING SE 10 KT AND
SECOND CENTER 60N46W 985 MB MOVING SE 05 KT. N OF 60N E OF
GREENLAND...WITHIN 180 NM S AND SW QUADRANTS OF SECOND CENTER
AND FROM 51N TO 57N E OF 50W WINDS 25 TO 40 KT. SEAS 2.5 TO 6
M...HIGHEST SW OF SECOND CENTER.
.24 HOUR FORECAST LOW E OF AREA NEAR 59N30W 991 MB. FROM 49N TO
60N E OF 61W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA.

...GALE WARNING...
.FROM 31N TO 36N W OF 75W WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
.24 HOUR FORECAST S OF 35N W OF 73W WINDS 20 TO 30 KT. SEAS 2.5
TO 4 M.
.48 HOUR FORECAST LITTLE CHANGE.

...GALE WARNING...
.N OF 55N W OF 59W AREA OF S TO SE WINDS 20 TO 30 KT, SEAS TO
2.5 M.
.12 HOUR FORECAST LOW 66N60W 972 MB. WITHIN 120 NM E OF A FRONT
FROM 67N60W TO 61N53W WINDS 35 TO 45 KT. SEAS 3 TO 4.5 M.
.24 HOUR FORECAST LOW N OF AREA WITH A NEW LOW FORMING NEAR
65N60W 980 MB. N OF 60N W OF 53W WINDS 25 TO 35 KT. SEAS 2.5 TO
3.5 M. ELSEWHERE N OF 59N W OF 45W WINDS 20 TO 30 KT. SEAS TO
2.5 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED WELL N OF
AREA.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 64N36W 983 MB. FROM 57N TO 63N E OF
60W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE FROM 53N TO
65N WINDS 20 TO 30 KT. SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM E OF
GREENLAND...AND N OF 61N W OF 58W.
.24 HOUR FORECAST DENSE FOG N OF 63N W OF GREENLAND.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 53N E OF 42W AND N OF
63N E OF GREENLAND.

.FORECASTER BANCROFT. 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 FRI OCT 3.
24 HOUR FORECAST VALID 0000 UTC SAT OCT  4.
48 HOUR FORECAST VALID 0000 UTC SUN OCT  5.

.WARNINGS.

...ATLC GALE WARNING...
.COLD FRONT FROM 31N55W TO 23.5N66W. WITHIN 31N51W TO 31N63W TO
30N63W TO 29N54W TO 31N51W W TO NW WINDS 30 TO 40 KT W OF
FRONT AND SW WINDS 30 TO 35 KT E OF FRONT. SEAS 5.0 TO 7.0 M IN
W TO NW SWELL. ELSEWHERE WITHIN 31N47W TO 31N54W TO 28N57W TO
27N56W TO 28N50W TO 31N47W SW WINDS 20 TO 30 KT. SEAS 4.0 TO 5.5
M IN W TO NW SWELL. ELSEWHERE WITHIN 31N47W TO 31N64W TO 28N62W
TO 29N56W TO 27N56W TO 29N50W TO 31N47W NW TO N WINDS 20 TO 30
KT. SEAS 6.0 TO 7.5 M IN NW SWELL. WITHIN 31N64W TO 31N70W TO
31N81W TO 30N73W TO 30N70W TO 29N64W TO 31N64W NE WINDS 20 TO 25
KT. SEAS 5.5 TO 7.0 M IN NE SWELL. REMAINDER OF AREA WITHIN
31N44W TO 29N61W TO 31N81W TO 26N80W TO 22N71W TO 23N58W TO
31N44W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS.
SEAS 2.5 TO 5.5 M IN N SWELL.
.06 HOUR FORECAST WITHIN 31N46W TO 31N52W TO 29N53W TO 27N55W TO
27N52W TO 31N46W SW WINDS 20 TO 30 KT. SEAS 3.0 TO 6.0 M IN W TO
NW SWELL. WITHIN 31N52W TO 31N64W TO 30N63W TO 30N61W TO 29N57W
TO 30N53W TO 31N52W N WINDS 20 TO 30 KT. SEAS 6.0 TO 7.0 M IN NW
SWELL. WITHIN 31N71W TO 31N75W TO 31N79W TO 30N79W TO 30N74W TO
30N70W TO 31N71W NE TO E WINDS 20 TO 25 KT. SEAS 4.0 TO 4.5 M IN
NE SWELL. REMAINDER OF AREA WITHIN 31N44W TO 30N60W TO 31N81W TO
26N80W TO 20N68W TO 23N56W TO 31N44W...INCLUDING ATLANTIC
EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 6.0 M IN N SWELL.
.24 HOUR FORECAST WITHIN 31N44W TO 31N47W TO 30N47W TO 30N46W TO
31N44W SW WINDS 20 TO 30 KT. SEAS 5.0 TO 5.5 M IN W SWELL.
WITHIN 30N75W TO 31N75W TO 31N80W TO 27N79W TO 27N71W TO 30N75W E
WINDS 20 TO 25 KT. SEAS 3.0 TO 4.0 M IN NE SWELL. ELSEWHERE
WITHIN 31N39W TO 31N81W TO 18N68W TO 17N60W TO 31N39W...
INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 KT OR
LESS. SEAS 2.5 TO 5.5 M IN N SWELL.
.48 HOUR FORECAST WITHIN 31N75W TO 31N81W TO 28N80W TO 28N76W TO
26N69W TO 29N75W TO 31N75W E TO SE WINDS 20 TO 30 KT. SEAS 2.5
TO 3.5 M. ELSEWHERE WITHIN 31N35W TO 31N82W TO 12N57W TO 21N39W
TO 31N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS
20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N SWELL.

...ATLC GALE WARNING...
.LOW PRES NEAR 24.5N75W 1013 MB. WITHIN 27N74W TO 27N77W TO
27N78W TO 26N77W TO 27N76W TO 26N74W TO 27N74W...INCLUDING
ATLANTIC EXPOSURES...NE TO E WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5
M IN NE SWELL. ELSEWHERE WITHIN 28N74W TO 27N77W TO 28N80W TO
26N79W TO 26N76W TO 26N73W TO 28N74W...INCLUDING ATLANTIC
EXPOSURES...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN NE
SWELL.
.12 HOUR FORECAST LOW PRES NEAR 24.5N76.5W 1013 MB. WITHIN
28N75W TO 27N76W TO 26N77W TO 26N74W TO 28N75W...INCLUDING
ATLANTIC EXPOSURES...E WINDS 20 TO 30 KT. SEAS 3.5 TO 5.0 M IN NE
SWELL.
.24 HOUR FORECAST CONDITIONS TO MERGE WITH AREA DESCRIBED ABOVE.

.SYNOPSIS AND FORECAST.

.ATLC 09 HOUR FORECAST WITHIN 07N35W TO 07N35.5W TO 07N36W TO
07N36W TO 07N35W TO 07N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN S SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.GULF OF AMERICA WITHIN 29N83W TO 30N84W TO 29N84W TO 28N86W TO
28N85W TO 28N84W TO 29N83W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.24 HOUR FORECAST WITHIN 29N83W TO 29N84W TO 29N93W TO 27N90W TO
28N85W TO 28N84W TO 29N83W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.48 HOUR FORECAST WITHIN 30N84W TO 29N86W TO 29N88W TO 28N92W TO
28N87W TO 28N83W TO 30N84W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.