000
FZNT02 KNHC 041603
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON SEP 4 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 1200 UTC MON SEP 4.
24 HOUR FORECAST VALID 1200 UTC TUE SEP  5.
48 HOUR FORECAST VALID 1200 UTC WED SEP  6.

.WARNINGS.

...ATLC GALE WARNING...
.12 HOUR FORECAST LOW PRES NEAR 12N36.5W 1010 MB. FROM 12N TO 
13N BETWEEN 35W AND 37W E WINDS 20 TO 30 KT. SEAS 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
13N40W 1009 MB. WITHIN 15N37W TO 15N39W TO 14N40W TO 12N40W TO 
12N39W TO 13N36W TO 15N37W E TO SE WINDS 20 TO 30 KT. SEAS 8 TO 9 
FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
14N45.5W 1005 MB. FROM 13N TO 15N BETWEEN 43.5W AND 46W WINDS 30
TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE WITHIN 18N40W TO 18N45W TO
15N47W TO 12N46W TO 11N44W TO 14N41W TO 18N40W WINDS 20 TO 30 
KT. SEAS 8 TO 11 FT.

.SYNOPSIS AND FORECAST.

.TROPICAL DEPRESSION KATIA NEAR 28.0N 34.0W 1009 MB AT 1500 UTC
SEP 04 MOVING NW OR 320 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT.  SEAS 12 FT OR GREATER WITHIN 0 NM S
SEMICIRCLE...90 NM NE QUADRANT AND 120 NM NW QUADRANT WITH SEAS
TO 12 FT. OVER FORECAST WATERS WITHIN 31N35W TO 30N36W TO 28N36W TO
27N35W TO 31N35W NE WINDS 20 TO 25 KT. SEAS 10 TO 12 FT.
ELSEWHERE WITHIN 31N35W TO 31N39W TO 26N39W TO 26N35W TO 31N35W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL.
.12 HOUR FORECAST POST-TROPICAL REMNANT LOW KATIA NEAR 28.4N 
34.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW KATIA NEAR 28.6N 
34.6W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. FROM 29N TO 
30.5N BETWEEN 35W AND 35.5W NE TO E WINDS 20 TO 25 KT. SEAS 9 FT.
ELSEWHERE WITHIN 31N35W TO 31N39W TO 29N40W TO 28N39W TO 28N35W 
TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW KATIA NEAR 28.1N 
33.8W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. OVER FORECAST 
WATERS...CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 
8 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW KATIA NEAR 26.0N 
33.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.

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

.ATLC WITHIN 31N39W TO 29N73W TO 24N75W TO 19N64W TO 26N60W TO
27N39W TO 31N39W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN N 
SWELL.
.24 HOUR FORECAST WITHIN 31N44W TO 31N58W TO 27N59W TO 26N55W TO
27N50W TO 31N44W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW 
SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.CARIBBEAN 30 HOUR FORECAST WITHIN 14N69W TO 14N71W TO 13N74W TO
10N71W TO 11N70W TO 11N68W TO 14N69W...INCLUDING THE GULF OF 
VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 13N70W TO 14N73W TO 12N74W TO 12N72W TO
11N72W TO 12N69W TO 13N70W...INCLUDING THE GULF OF VENEZUELA... 
E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER HAGEN. NATIONAL HURRICANE CENTER.