688
FZNT01 KWBC 042200
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SAT OCT 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 04.
24 HOUR FORECAST VALID 1800 UTC OCT 05.
48 HOUR FORECAST VALID 1800 UTC OCT 06.

.WARNINGS.

...STORM WARNING...
.LOW 43N45W 984 MB MOVING NE 20 KT. WITHIN 180 NM OF CENTER WINDS
40 TO 50 KT. SEAS 7 TO 9 M. ALSO E OF A LINE FROM 37N60W TO
52N47W WINDS 25 TO 40 KT. SEAS 4 TO 7 M. ELSEWHERE S OF 50N E OF
60W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 49N37W 985 MB. WITHIN 180 NM S AND W
SEMICIRCLES WINDS 40 TO 50 KT. SEAS 4 TO 6.5 M. ALSO FROM 42N TO
54N E OF 50W WINDS 25 TO 40 KT. SEAS 3 TO 5 M. ELSEWHERE S OF 55N
E OF 55W WINDS LESS THAN 25 KT. SEAS 2.5 TO 4 M...EXCEPT WHERE
DESCRIBED BELOW WITH LOW 41N39W.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED E OF AREA.

...STORM WARNING...
.LOW 61N42W 993 MB MOVING NE 10 KT. FROM 53N TO 64N E OF 45W
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 63N34W 982 MB AND
NEW SECOND CENTER 60N42W 991 MB. WITHIN 180 NM S AND SW QUADRANTS
OF SECOND CENTER WINDS 40 TO 50 KT. SEAS 4 TO 6.5 M. ELSEWHERE
FROM 55N TO 64N E OF 63W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST COMPLEX LOW MOVED E OF AREA. ASSOCIATED
CONDITIONS ABSORBED BY LOW 61N42W DESCRIBED BELOW.

...GALE WARNING...
.N OF 55N W OF 50W WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 41N46W 1014 MB. WITHIN 420 NM W
QUADRANT WINDS 20 TO 30 KT. SEAS 3 TO 4 M.
.48 HOUR FORECAST LOW 41N39W 1009 MB. FROM 37N TO 46N E OF 50W
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 61N42W 988 MB. FROM 50N TO 61N E OF 45W
WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 60N67W 980 MB. FROM 48N TO 57N BETWEEN
61W AND 45W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

.S OF 34N W OF 70W WINDS 20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM E OF
GREENLAND...AND FROM 45N TO 51N E OF 49W.
.24 HOUR FORECAST DENSE FOG N OF 64N E OF GREENLAND.
.48 HOUR FORECAST DENSE FOG N OF 65N W OF 58W.

.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 SAT OCT 4.
24 HOUR FORECAST VALID 1800 UTC SUN OCT  5.
48 HOUR FORECAST VALID 1800 UTC MON OCT  6.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES NEAR 24N76.5W 1010 MB. STATIONARY FRONT FROM
24N80.5W TO 24N76.5W TO 23N65W. WITHIN 31N72W TO 31N77W TO
30N80W TO 27N79W TO 28N75W TO 26N70W TO 31N72W...INCLUDING
ATLANTIC EXPOSURES...E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE WITHIN 31N69W TO 28N73W TO 31N75W TO 31N81W TO 27N80W
TO 21N70W TO 31N69W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NE
SWELL.
.24 HOUR FORECAST LOW PRES NEAR 24N80.5W 1013 MB. STATIONARY
FRONT FROM 24N80.5W TO 24N65W. WITHIN 31N73W TO 31N79W TO 28N79W
TO 28N78W TO 28N75W TO 28N69W TO 31N73W E WINDS 20 TO 25 KT. SEAS
3.0 TO 3.5 M. ELSEWHERE WITHIN 31N67W TO 29N73W TO 31N81W TO
28N80W TO 20N69W TO 31N67W...INCLUDING ATLANTIC EXPOSURES...WINDS
20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NE SWELL.
.48 HOUR FORECAST STATIONARY FRONT FROM 24.5N80W TO 26N75W TO
26N60W. WITHIN 29N72W TO 31N80W TO 30N81W TO 28N77W TO 26N70W TO
28N63W TO 29N72W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE WITHIN 30N61W TO 31N68W TO 29N70W TO 31N78W TO 28N80W
TO 23N71W TO 30N61W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.

.ATLC STATIONARY FRONT FROM 23N65W TO 29N45.5W. COLD FRONT FROM
29N45.5W TO 31N42W. WITHIN 27N55W TO 27N56W TO 27N60W TO 26N61W
TO 25N61W TO 27N55W NE TO E WINDS 20 TO 25 KT. SEAS 3.0 TO 4.0 M.
ELSEWHERE WITHIN 31N35W TO 27N58W TO 31N68W TO 19N69W TO 14N58W
TO 16N49W TO 31N35W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N SWELL.
.24 HOUR FORECAST STATIONARY FRONT FROM 24N65W TO 28N45.5W. COLD
FRONT FROM 28N45.5W TO 31N41W. WITHIN 31N35W TO 31N67W TO 19N69W
TO 11N48W TO 14N40W TO 31N35W...INCLUDING IN ATLANTIC EXPOSURES
AND PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN N SWELL.
.48 HOUR FORECAST STATIONARY FRONT FROM 26N60W TO 31N40.5W.
WITHIN 24N35W TO 20N49W TO 22N63W TO 07N54W TO 07N46W TO 13N35W
TO 24N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS
20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.

.ATLC 48 HOUR FORECAST WITHIN 13N35W TO 13N36W TO 12N37W TO
11N37W TO 10N37W TO 10N35W TO 13N35W E WINDS 20 TO 30 KT. SEAS
2.5 TO 3.0 M IN MIXED SWELL.

.GULF OF AMERICA LOW PRES NEAR 27N91W 1010 MB. STATIONARY FRONT
FROM 27N91W TO 24N80.5W. WITHIN 30N85W TO 30N89W TO 29N89W TO
29N93W TO 28N86W TO 30N85W E WINDS 20 TO 25 KT. SEAS 2.5 M IN E
SWELL.
.24 HOUR FORECAST LOW PRES NEAR 27N95W 1010 MB. STATIONARY FRONT
FROM 27N95W TO 29N91W TO 24N80.5W. WITHIN 30N86W TO 30N88W TO
29N86W TO 30N86W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.30 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.

$$