654
FZNT02 KNHC 300921
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC MON SEP 30 2024

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL
OCTOBER 16 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND
GRAPHICAL PRODUCTS FOR THE HIGH SEAS AREAS ONLY.
TO LEARN MORE PLEASE VISIT (WEB ADDRESS LOWERCASE)
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP

SECURITE

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 0600 UTC MON SEP 30.
24 HOUR FORECAST VALID 0600 UTC TUE OCT 01.
48 HOUR FORECAST VALID 0600 UTC WED OCT 02.

.WARNINGS.

...ATLC HURRICANE WARNING...
.TROPICAL DEPRESSION TWELVE E OF AREA NEAR 14.0N 34.1W 1005 MB
AT 0900 UTC SEP 30 MOVING W OR 275 DEG AT 7 KT. MAXIMUM
SUSTAINED WINDS 30 KT GUSTS 40 KT. FROM 14N TO 21N BETWEEN 35W
AND 37W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN E SWELL.
.12 HOUR FORECAST TROPICAL STORM TWELVE NEAR 14.1N 35.7W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
.24 HOUR FORECAST TROPICAL STORM TWELVE NEAR 14.3N 37.9W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND
40 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM NE
QUADRANT AND 90 NM NW QUADRANT OF CENTER WITH SEAS TO 18 FT.
ELSEWHERE FROM 09N TO 18N BETWEEN 35W AND 40W WINDS 20 TO 33 KT.
SEAS 8 TO 12 FT.
.48 HOUR FORECAST HURRICANE TWELVE NEAR 15.8N 41.4W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 150 NM NE QUADRANT...140 NM SE QUADRANT...70 NM SW
QUADRANT...AND 120 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
180 NM OF CENTER...EXCEPT 90 NM SW QUADRANT WITH SEAS TO 24 FT.
ELSEWHERE FROM 09N TO 21N BETWEEN 35W AND 45W WINDS 20 TO 33 KT.
SEAS 8 TO 12 FT.

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.

.TROPICAL DEPRESSION JOYCE NEAR 22.1N 49.7W 1006 MB AT 0900 UTC
SEP 30 MOVING W OR 260 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT. SEAS 12 FT OR GREATER WITHIN 0 NM S
SEMICIRCLE...60 NM NE QUADRANT AND 30 NM NW QUADRANT WITH SEAS
TO 13 FT. ELSEWHERE FROM 21N TO 24N BETWEEN 47W AND 52W WINDS 20
TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW JOYCE NEAR 23.6N
49.8W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 60 NM E
SEMICIRCLE OF CENTER WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW JOYCE NEAR 25.8N
49.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT.

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

.ATLC 12 HOUR FORECAST N OF 30N BETWEEN 50W AND 55W WINDS 20 KT
OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.24 HOUR FORECAST N OF 23N BETWEEN 43W AND 51W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN N TO NE SWELL.
.48 HOUR FORECAST FROM 25N TO 30N BETWEEN 43W AND 50W WINDS 20
KT OR LESS. SEAS 8 TO 9 FT IN N TO NE SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.