316
FZNT01 KWBC 012214
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC WED OCT 01 2025

CCODE/2:31:04:11:00/AOE+AOW/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 01.
24 HOUR FORECAST VALID 1800 UTC OCT 02.
48 HOUR FORECAST VALID 1800 UTC OCT 03.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IMELDA NEAR 31.6N 67.9W 966 MB AT 2100 UTC OCT 01
MOVING ENE OR 070 DEG AT 19 KT. MAXIMUM SUSTAINED WINDS 85 KT
GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE
QUADRANT...220 NM SE QUADRANT...100 NM SW QUADRANT...AND 170 NM
NW QUADRANT.  SEAS 4 M OR GREATER WITHIN 270 NM S
SEMICIRCLE...240 NM NE QUADRANT AND 300 NM NW QUADRANT WITH SEAS
TO 10.5 M. ELSEWHERE FROM 31N TO 34N BETWEEN 80W AND 50W WINDS 20
TO 33 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST POST-TROPICAL IMELDA NEAR 33.2N 58.7W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 240 NM NE QUADRANT...200 NM SE QUADRANT...180 NM SW
QUADRANT...AND 230 NM NW QUADRANT.  SEAS 4 M OR GREATER WITHIN
840 NM NE...540 NM SE...1140 NM SW...AND 900 NM NW QUADRANTS WITH
SEAS TO 14 M. ELSEWHERE S OF A LINE FROM 31N83W TO 40N70W TO
40N50W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST POST-TROPICAL IMELDA NEAR 37.2N 51.1W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 320 NM NE QUADRANT...240 NM SE QUADRANT...200 NM SW
QUADRANT...AND 270 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 720
NM NE...1200 NM SW...600 NM SE...AND 660 NM NW QUADRANTS WITH
SEAS TO 12 M. ELSEWHERE S OF A LINE FROM 33N84W TO 33N68W TO
41N54W TO 42N35W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND
INTENSITY.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER 36N63W 984 MB MOVING NE 40 KT AND
SECOND CENTER 38N57W 990 MB MOVING NE 45 KT. WITHIN 90 NM SW
SEMICIRCLE OF MAIN CENTER WINDS 55 TO 65 KT. SEAS 9 TO 11 M. ALSO
WITHIN 240 NM E...AND 180 NM W SEMICIRCLES OF MAIN CENTER WINDS
40 TO 55 KT. SEAS 5 TO 10 M. ELSEWHERE S OF 41N BETWEEN 45W AND
80W WINDS 25 TO 40 KT. SEAS 2.5 TO 6 M...HIGHEST NEAR LOW
CENTERS.
.24 HOUR FORECAST COMBINED LOW 44N39W 984 MB. WITHIN 360 NM SE
SEMICIRCLE WINDS 40 TO 55 KT. SEAS 3 TO 7 M. ELSEWHERE FROM 31N
TO 50N E OF 50W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA.

...STORM WARNING...
.LOW 63N33W 983 MB WITHIN 360 NM W QUADRANT WINDS 40 TO 50 KT.
SEAS 3.5 TO 7 M. ELSEWHERE WITHIN 420 NM SE...AND 720 NM W
QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M.
.24 HOUR FORECAST LOW 62N38W WINDS 25 TO 40 KT.  FROM 50N TO 64N
E OF 56W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 60N33W 984 MB. FROM 44N TO 60N E OF 63W
WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M.

...GALE WARNING...
.LOW 46N35W 1010 MB MOVING NE 30 KT. WITHIN 120 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA.

...GALE WARNING...
.LOW 42N44W 1010 MB. WITHIN 180 NM S SEMICIRCLE WINDS 25 TO 35
KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW E OF AREA NEAR 46N33W 994 MB. WITHIN
ASSOCIATED CONDITIONS DESCRIBED ABOVE WITH LOW 44N39W.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA.

...GALE WARNING...
.48 HOUR FORECAST LOW 67N57W 966 MB. N OF 60N WITHIN 120 NM W OF
GREENLAND WINDS 35 TO 45 KT. SEAS 2.5 TO 5 M. ELSEWHERE N OF 60N
W OF GREENLAND WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 63N E OF 40W.
.24 HOUR FORECAST DENSE FOG N OF 60N E OF GREENLAND...AND N OF
53N W OF 60W.
.48 HOUR FORECAST DENSE FOG NE OF A LINE FROM 61N52W TO 67N64W.

.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 WED OCT 1.
24 HOUR FORECAST VALID 1800 UTC THU OCT  2.
48 HOUR FORECAST VALID 1800 UTC FRI OCT  3.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IMELDA N OF AREA NEAR 31.6N 67.9W 966 MB AT 2100 UTC
OCT 01 MOVING ENE OR 070 DEG AT 19 KT. MAXIMUM SUSTAINED WINDS 85
KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE
QUADRANT...220 NM SE QUADRANT...100 NM SW QUADRANT...AND 170 NM
NW QUADRANT. OVER FORECAST WATERS SEAS 4 M OR GREATER WITHIN 270
NM S SEMICIRCLE...240 NM NE QUADRANT AND 300 NM NW QUADRANT WITH
SEAS TO 10.5 M. ELSEWHERE OVER FORECAST WATERS WITHIN 31N58W TO
31N77W TO 30N74W TO 26N71W TO 25N67W TO 27N62W TO 31N58W WINDS 20
TO 33 KT. SEAS 4.5 TO 10.0 M. REMAINDER OF AREA WITHIN 30N74W TO
31N81W TO 27N80W TO 23N72W TO 25N66W TO 27N72W TO
30N74W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS.
SEAS 2.5 TO 4.5 M IN MIXED SWELL.
.12 HOUR FORECAST POST-TROPICAL/EXTRATROPICAL IMELDA N OF AREA
NEAR 32.3N 64.1W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT.
.24 HOUR FORECAST POST-TROPICAL EXTRATROPICAL IMELDA N OF AREA
NEAR 33.2N 58.7W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT.
TROPICAL STORM FORCE WINDS WITHIN 240 NM NE QUADRANT...200 NM SE
QUADRANT...180 NM SW QUADRANT...AND 230 NM NW QUADRANT. ELSEWHERE
OVER FORECAST WATERS WITHIN 31N49W TO 31N70W TO 26N62W TO 27N53W
TO 31N49W WINDS 20 TO 33 KT. SEAS 5.5 TO 8.5 M. REMAINDER OF
AREA WITHIN 27N56W TO 28N65W TO 31N71W TO 31N81W TO 27N79W TO
23N70W TO 27N56W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR
LESS. SEAS 2.5 TO 5.5 M IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL/EXTRATROPICAL IMELDA N OF AREA
NEAR 37.2N 51.1W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. OVER
FORECAST WATERS WITHIN 31N46W TO 31N65W TO 28N64W TO 28N56W TO
26N54W TO 27N50W TO 31N46W NW WINDS 20 TO 30 KT. SEAS 4.5 TO 6.5
M. ELSEWHERE WITHIN 31N42W TO 27N55W TO 31N72W TO 26N77W TO
19N68W TO 22N50W TO 31N42W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N SWELL.

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 WITHIN 16N46W TO 17N48W TO 17N49W TO 16N49W TO 15N47W TO
15N46W TO 16N46W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E
SWELL.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.ATLC 30 HOUR FORECAST WITHIN 31N69W TO 31N82W TO 29N77W TO
29N72W TO 29N70W TO 31N69W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO
5.0 M.
.48 HOUR FORECAST WITHIN 31N72W TO 31N81W TO 27N80W TO 27N76W TO
28N74W TO 31N72W...INCLUDING ATLANTIC EXPOSURES...E WINDS 20 TO
25 KT. SEAS 2.5 TO 4.0 M.

.GULF OF AMERICA 30 HOUR FORECAST WITHIN 29N83W TO 30N84W TO
30N85W TO 29N85W TO 28N84W TO 28N83W TO 29N83W NE TO E WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 30N85W TO 31N88W TO 29N92W TO 28N90W TO
28N87W TO 30N85W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5
M.

.GULF OF AMERICA 42 HOUR FORECAST WITHIN 20N95W TO 20N96W TO
20N97W TO 19N96W TO 19N95W TO 20N95W...INCLUDING WITHIN 60 NM OF
COAST OF VERACRUZ...NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

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


.FORECASTER ERA. NATIONAL HURRICANE CENTER.

$$