660
FZNT01 KWBC 292219
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC MON SEP 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

SECURITE

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1800 UTC SEP 29.
24 HOUR FORECAST VALID 1800 UTC SEP 30.
48 HOUR FORECAST VALID 1800 UTC OCT 01.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE HUMBERTO S OF AREA NEAR 29.1N 68.1W 942 MB AT 2100
UTC SEP 29 MOVING NNW OR 330 DEG AT 11 KT. MAXIMUM SUSTAINED
WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS WITHIN 160
NM NE QUADRANT...AND 120 NM NW QUADRANT. SEAS 4 M OR GREATER
WITHIN 300 NM NE QUADRANT AND 270 NM NW QUADRANT WITH SEAS TO
6.5 M. ELSEWHERE N OF 36N BETWEEN 61W AND 75W WINDS 20 TO 33 KT.
SEAS 2.5 TO 4 M.
.24 HOUR FORECAST HURRICANE HUMBERTO NEAR 33.4N 68.6W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS
WITHIN 160 NM E SEMICIRCLE...100 NM SW QUADRANT...AND 120 NM NW
QUADRANT. SEAS 4 M OR GREATER S OF 39N BETWEEN 65W AND 76W WITH
SEAS TO 14.5 M. ELSEWHERE S OF 41N W OF 60W...EXCEPT IN AREA
DESCRIBED WITH HURRICANE IMELDA BELOW...WINDS 20 TO 33 KT. SEAS
2.5 TO 4 M.
.48 HOUR FORECAST HURRICANE HUMBERTO NEAR 36.8N 61.8W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 220 NM E SEMICIRCLE...160 NM SW QUADRANT...AND 190 NM NW
QUADRANT. SEAS 4 M OR GREATER FROM 32N TO 41N W OF 57W.
ELSEWHERE S OF 44N W OF 52W...EXCEPT IN AREA DESCRIBED WITH
HURRICANE IMELDA... WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M.

...HURRICANE WARNING...
.24 HOUR FORECAST HURRICANE IMELDA S OF AREA NEAR 29.3N 75.0W.
MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE
WINDS WITHIN 130 NM NE QUADRANT...AND 140 NM NW QUADRANT. SEAS 4
M OR GREATER WITHIN 300 NM NW AND 180 NM NE QUADRANTS WITH SEAS
TO 6 M. ELSEWHERE S OF 34N W OF 71W...EXCEPT IN AREA DESCRIBED
WITH HURRICANE HUMBERTO ABOVE...WINDS 20 TO 33 KT. SEAS 2.5 TO 4
M.
.48 HOUR FORECAST HURRICANE IMELDA NEAR 31.7N 67.8W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 180 NM E SEMICIRCLE...140 NM SW QUADRANT AND 170 NM NW
QUADRANT. SEAS 4 M OR GREATER S OF 35N BETWEEN 62W AND 76W WITH
SEAS TO 10.5 M. ELSEWHERE S OF 35N W OF 56W...EXCEPT IN AREA
DESCRIBED WITH HURRICANE HUMBERTO...WINDS 20 TO 33 KT. SEAS 2.5
TO 4 M.

...STORM WARNING...
.LOW JUST E OF AREA 61N33W 972 MB MOVING NE 10 KT. WITHIN 240 NM
SW SEMICIRCLE...AND WITHIN 360 NM N QUADRANT WINDS 24 TO 40 KT.
SEAS 4 TO 6.5 M. ELSEWHERE WITHIN 540 NM W SEMICIRCLE WINDS TO
25 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER E OF AREA 65N30W
978 MB AND NEW SECOND CENTER 57N40W 987 MB. N OF 63N E OF
GREENLAND...AND WITHIN 180 NM W SEMICIRCLE WINDS 25 TO 40 KT.
SEAS 3.5 TO 5 M. ELSEWHERE N OF 43N E OF 49W WINDS TO 25 KT.
SEAS 2.5 TO 5 M.
.30 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER E OF AREA 65N33W
976 MB. WITHIN 90 NM W SEMICIRCLE WINDS 40 TO 50 KT. SEAS 5 TO 7
M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER E OF AREA 64N31W
979 MB. N OF 61N E OF GREENLAND WINDS 25 TO 35 KT. SEAS 2.5 TO
5.5 M...HIGHEST NEAR 65N36W.

...GALE WARNING...
.LOW 61N51W 994 MB MOVING S 15 KT. N OF 60N BETWEEN 53W AND 61W
WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
ELSEWHERE N OF 56N W OF 51W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW DISSIPATED. FROM 60N TO 67N BETWEEN 52W
AND 59W WINDS 30 TO 40 KT. SEAS 4 TO 6.5 M. ELSEWHERE N OF 49N W
OF 49W WINDS 20 TO 30 KT. SEAS 2.5 TO 5.5 M.
.48 HOUR FORECAST NEW LOW 60N41W 987 MB. FROM 56N TO 66N BETWEEN
43W AND 56W WINDS 30 TO 40 KT. SEAS 4 TO 7.5 M. ELSEWHERE N OF
46N E OF 64W...EXCEPT N OF 61N E OF GREENLAND...WINDS 20 TO 30
KT. SEAS 2.5 TO 5.5 M.

...GALE WARNING...
.LOW 52N48W 988 MB MOVING NE 25 KT. FROM 45N TO 54N E OF 67W
WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY
COMPLEX LOW DESCRIBED ABOVE.

...GALE WARNING...
.48 HOUR FORECAST. WITHIN 300 NM NW OF A LINE FROM 34N73W TO
39N65W WINDS 25 TO 40 KT. SEAS 2.5 TO 7 M.

.SYNOPSIS AND FORECAST.

.LOW 41N50W 1012 MB MOVING E 20 KT. WITHIN 120 NM S SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED E OF AREA.

.LOW 45N36W 1010 MB MOVING NE 40 KT. WITHIN 240 NM S QUADRANT
WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED E OF AREA.


.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 60N TO 64N
BETWEEN 39W AND 42W.
.24 HOUR FORECAST DENSE FOG FROM 52N TO 55N BETWEEN 51W AND 56W.
.48 HOUR FORECAST DENSE FOG N OF 63N E OF 39W.

.FORECASTER POCHE. 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 1800 UTC MON SEP 29.
24 HOUR FORECAST VALID 1800 UTC TUE SEP 30.
48 HOUR FORECAST VALID 1800 UTC WED OCT  1.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE HUMBERTO NEAR 29.1N 68.1W 942 MB AT 2100 UTC SEP 29
MOVING NNW OR 330 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 120 KT
GUSTS 145 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE
QUADRANT...140 NM SE QUADRANT...90 NM SW QUADRANT...AND 120 NM
NW QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM S
SEMICIRCLE...300 NM NE QUADRANT AND 270 NM NW QUADRANT WITH SEAS
TO 14.0 M. ELSEWHERE WITHIN 31N64W TO 31N71W TO 26N70W TO 25N67W
TO 27N64W TO 31N64W WINDS 20 TO 33 KT. SEAS 7.5 TO 14.0 M.
REMAINDER OF AREA WITHIN 31N62W TO 31N75W TO 22N73W TO 22N68W TO
25N62W TO 31N62W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR
LESS. SEAS 2.5 TO 7.5 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE HUMBERTO N OF AREA NEAR 33.4N 68.6W.
MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. OVER FORECAST WATERS
WITHIN 29N62W TO 31N62W TO 31N70W TO 25N72W TO 25N68W TO 29N62W
WINDS 20 TO 30 KT. SEAS 2.5 TO 5.5 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE HUMBERTO N OR AREA NEAR 36.8N 61.8W.
MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. CONDITIONS MERGED
WITH IMELDA.

...HURRICANE WARNING...
.TROPICAL STORM IMELDA NEAR 27.7N 77.3W 986 MB AT 2100 UTC SEP
29 MOVING N OR 360 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM OF CENTER
EXCEPT 40 NM SW QUADRANT.  SEAS 4 M OR GREATER WITHIN 180 NM OF
CENTER EXCEPT 60 NM SW QUADRANT WITH SEAS TO 7.0 M. ELSEWHERE
WITHIN
31N76W TO 30N81W TO 25N80W TO 24N75W TO 27N74W TO
31N76W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 TO 33 KT. SEAS
2.5 TO 7.0 M.
.12 HOUR FORECAST HURRICANE IMELDA NEAR 28.4N 76.8W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.24 HOUR FORECAST HURRICANE IMELDA NEAR 29.3N 75.0W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 NM NE QUADRANT...150 NM SE QUADRANT...100 NM SW
QUADRANT...AND 140 NM NW QUADRANT. SEAS 4 M OR GREATER N OF 26N W
OF 70W WITH SEAS TO 8.0 M. ELSEWHERE WITHIN 31N72W TO 31N81W TO
26N80W TO 25N73W TO 31N72W...INCLUDING ATLANTIC EXPOSURES...WINDS
20 TO 33 KT. SEAS 4.0 TO 8.0 M. REMAINDER OF AREA WITHIN 31N71W
TO 31N72W TO 30N71W TO 31N71W WINDS 20 KT OR LESS. SEAS 2.5 TO
4.0 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE IMELDA N OF AREA NEAR 31.7N 67.8W.
MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE
WINDS WITHIN 180 NM E SEMICIRCLE...140 NM SW QUADRANT AND 170 NM
NW QUADRANT. OVER FORECAST WATERS SEAS 4 M OR GREATER N OF 26N
BETWEEN 63W AND 78W WITH SEAS TO 10.5 M. ELSEWHERE WITHIN 31N58W
TO 31N77W TO 27N71W TO 26N68W TO 27N63W TO 31N58W WINDS 20 TO 33
KT. SEAS 5.5 TO 10.5 M. REMAINDER OF AREA WITHIN 27N73W TO 31N78W
TO 31N81W TO 27N80W TO 24N71W TO 27N64W TO 27N73W...INCLUDING
ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 5.5 M IN
MIXED 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.

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

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.