448
FZNT01 KWBC 301544
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC WED SEP 30 2026

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SEP 30.
24 HOUR FORECAST VALID 1200 UTC OCT 01.
48 HOUR FORECAST VALID 1200 UTC OCT 02.

.WARNINGS.

...GALE WARNING...
.FROM 60N TO 63N BETWEEN 35W AND 37W WINDS 25 TO 35 KT. SEAS 3 TO
5 M. ELSEWHERE N OF 56N BETWEEN 35W AND 39W WINDS 20 TO 30 KT.
SEAS TO 4 M.
.24 HOUR FORECAST N OF 61N BETWEEN 35W AND 39W WINDS 25 TO 40 KT.
SEAS 4 TO 7 M. ELSEWHERE N OF 60N BETWEEN 35W AND 41W WINDS 20 TO
30 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST N OF 64N BETWEEN 35W AND 40W WINDS 20 TO 30 KT.
SEAS TO 4 M.

...GALE WARNING...
.WITHIN 360 NM S AND SW OF A LINE FROM 52N35W TO 54N41W TO 61N49W
WINDS TO 25 KT. SEAS TO 3 M.
.12 HOUR FORECAST NEW LOW 60N45W 999 MB. FROM 57N TO 61N BETWEEN
42W AND 49W WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 60N42W 990 MB. WITHIN 180 NM S OF A LINE
FROM 57N35W TO 60N45W WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M.
ELSEWHERE WITHIN 360 NM S OF A LINE FROM 58N35W TO 61N48W WINDS
20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST CONDITIONS MOVED E OF THE AREA.

.SYNOPSIS AND FORECAST.

.POST-TROPICAL CYCLONE HANNA NEAR 33.4N 43.6W 1008 MB AT 1500 UTC
SEP 30 MOVING E OR 090 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 30 KT
GUSTS 40 KT.  SEAS 4 M OR GREATER WITHIN 180 NM N SEMICIRCLE AND
0 NM S SEMICIRCLE WITH SEAS TO 5 M. FROM 31N TO 38N BETWEEN 36W
AND 46W WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST POST-TROPICAL CYCLONE HANNA NEAR 34.5N 40.4W
1012 MB. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS TO 3 M.
FROM 32N TO 36N BETWEEN 36W AND 43W WINDS 20 TO 30 KT. SEAS TO
2.5 M.
.48 HOUR FORECAST POST-TROPICAL CYCLONE HANNA NEAR 35.2N 35.7W
1016 MB. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. SEAS TO 2.5
M. FROM 33N TO 37N BETWEEN 35W AND 39W WINDS TO 25 KT. SEAS TO
2.5 M.

.24 HOUR FORECAST W OF A LINE FROM 53N51W TO 65N59W WINDS TO 25
KT. SEAS TO 2.5 M.
.48 HOUR FORECAST NEW LOW 62N56W 982 MB. WITHIN 300 NM S AND SE
SEMICIRCLES...N OF 64N W OF 59W...AND WITHIN 420 NM S OF A LINE
FROM 58N35W TO 50N61W WINDS 20 TO 30 KT. SEAS TO 3 M...EXCEPT E
OF 45W SEAS 3 TO 4.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 52N
BETWEEN 50W AND 61W AND N OF 61N W OF 62W.
.24 HOUR FORECAST DENSE FOG FROM 46N TO 55N BETWEEN 48W AND 57W
AND W OF A LINE FROM 57N56W TO 63N63W.
.48 HOUR FORECAST DENSE FOG FROM 41N TO 46N BETWEEN 63W AND
68W...FROM 43N TO 55N BETWEEN 45W AND 56W...AND WITHIN 180 NM
EITHER SIDE OF A LINE FROM 63N64W TO 57N41W.

.FORECASTER COLLINS. 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 1200 UTC WED SEP 30.
24 HOUR FORECAST VALID 1200 UTC THU OCT 1.
48 HOUR FORECAST VALID 1200 UTC FRI OCT 2.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES...REMNANTS OF FAY...NEAR 23N51W 1011 MB. WITHIN
25N50W TO 25N51W TO 24N52W TO 24N51W TO 24N50W TO 25N50W WINDS 20
KT OR LESS. SEAS TO 2.5 TO 3.0 M IN MIXED NE AND SE SWELL.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.ATLC WITHIN 31N35W TO 31N50.5W TO 30.5N50W TO 30N41.5W TO
30.5N36W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO
NE SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.CARIBBEAN WITHIN 14N73W TO 13N77W TO 12N77W TO 11N76W TO 11N72W
TO 12N71W TO 14N73W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M...EXCEPT TO 2.5 M NEAR
11.5N75.5W.
.24 HOUR FORECAST WITHIN 18N71W TO 18N74W TO 16N73W TO 16N72W TO
17N71W TO 18N71W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5
M.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.CARIBBEAN 12 HOUR FORECAST WITHIN 17N85W TO 17N86W TO 18N87W TO
17N87W TO 17N86W TO 16N85W TO 17N85W...INCLUDING NEAR THE GULF
OF HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 18N85W TO 19N88W TO 18N88W TO 17N87W TO
16N85W TO 17N85W TO 18N85W...INCLUDING THE GULF OF HONDURAS...E
TO SE 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 LEWITSKY. NATIONAL HURRICANE CENTER.

$$