000
FZNT02 KNHC 280417
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU SEP 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC THU SEP 28.
24 HOUR FORECAST VALID 0000 UTC FRI SEP 29.
48 HOUR FORECAST VALID 0000 UTC SAT SEP 30.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM PHILIPPE NEAR 18.2N 54.5W 1002 MB AT 0300 UTC 
SEP 28 MOVING NW OR 305 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 45 
KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W 
SEMICIRCLE...150 NM NE QUADRANT AND 130 NM SE QUADRANT. SEAS 12 
FT OR GREATER WITHIN 300 NM NE QUADRANT...180 NM SE QUADRANT... 
120 NM SW QUADRANT...AND 330 NM NW QUADRANT WITH SEAS TO 22 FT. 
ELSEWHERE WITHIN 22N50W TO 24N54W TO 23N58W TO 17N56W TO 16N53W 
TO 17N51W TO 22N50W WINDS 20 TO 33 KT. SEAS 10 TO 15 FT. 
REMAINDER OF AREA WITHIN 24N48W TO 26N57W TO 24N61W TO 17N59W TO 
16N54W TO 17N49W TO 24N48W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT 
IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM PHILIPPE NEAR 19.0N 56.6W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 100 NM NE QUADRANT...90 NM SE QUADRANT...0 NM SW 
QUADRANT...AND 20 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
240 NM N SEMICIRCLE...120 NM SE QUADRANT AND 0 NM SW QUADRANT 
WITH SEAS TO 17 FT. ELSEWHERE WITHIN 22N54W TO 23N56W TO 21N59W 
TO 18N58W TO 17N56W TO 19N53W TO 22N54W WINDS 20 TO 33 KT. SEAS 9
TO 14 FT. REMAINDER OF AREA WITHIN 28N52W TO 30N59W TO 23N65W TO
18N61W TO 17N56W TO 21N52W TO 28N52W WINDS 20 KT OR LESS. SEAS 8
TO 13 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM PHILIPPE NEAR 19.0N 58.6W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM NE QUADRANT...50 NM SE QUADRANT...0 NM SW 
QUADRANT...AND 10 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
120 NM N SEMICIRCLE...60 NM SE QUADRANT AND 0 NM SW QUADRANT WITH
SEAS TO 15 FT. ELSEWHERE WITHIN 21N58W TO 20N60W TO 19N60W TO 
17N59W TO 18N58W TO 19N57W TO 21N58W WINDS 20 TO 33 KT. SEAS 9 TO
13 FT. REMAINDER OF AREA WITHIN 24N55W TO 26N62W TO 25N69W TO 
21N68W TO 18N58W TO 24N55W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT 
IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM PHILIPPE NEAR 18.5N 60.3W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW PHILIPPE NEAR 18.5N 
62.1W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW PHILIPPE NEAR 18.5N
63.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

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

...ATLC GALE WARNING...
.LOW PRES NEAR 15N44.5W 1006 MB. WITHIN 17N37W TO 20N41W TO 
22N46W TO 18N48W TO 11N45W TO 12N42W TO 17N37W E TO SE WINDS 20 
TO 30 KT. SEAS 8 TO 13 FT.
.12 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
16.5N45W 1005 MB. WITHIN 17N43W TO 18N44W TO 17N45W TO 16N45W TO
15N45W TO 16N44W TO 17N43W SE TO S WINDS 30 TO 35 KT. SEAS 11 TO
13 FT. ELSEWHERE WITHIN 20N43W TO 20N45W TO 19N46W TO 14N46W TO 
14N43W TO 17N41W TO 20N43W WINDS 20 TO 30 KT. SEAS 9 TO 12 FT.
REMAINDER OF AREA WITHIN 18N40W TO 22N46W TO 19N49W TO 14N47W TO
13N41W TO 18N40W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED 
SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
18N46W 1004 MB. WITHIN 19N44W TO 19N46W TO 17N47W TO 17N44W TO 
19N44W SE TO S WINDS 30 TO 40 KT. SEAS 11 TO 15 FT. ELSEWHERE 
WITHIN 21N43W TO 22N44W TO 20N48W TO 16N47W TO 16N44W TO 17N42W 
TO 21N43W WINDS 20 TO 30 KT. SEAS 9 TO 14 FT. REMAINDER OF AREA 
WITHIN 19N41W TO 24N48W TO 20N51W TO 14N48W TO 14N43W TO 19N41W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
19.5N48W 1002 MB. WITHIN 20N46W TO 21N47W TO 20N49W TO 18N49W TO
18N48W TO 19N46W TO 20N46W WINDS 30 TO 40 KT. SEAS 14 TO 20 FT.
ELSEWHERE WITHIN 23N45W TO 23N50W TO 21N51W TO 17N49W TO 17N47W 
TO 19N44W TO 23N45W WINDS 20 TO 30 KT. SEAS 10 TO 16 FT.
REMAINDER OF AREA WITHIN 20N44W TO 23N45W TO 24N54W TO 18N54W TO
14N49W TO 14N46W TO 20N44W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT 
IN MIXED SWELL.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N76W TO 31N81W TO 30N81W TO 31N78W TO 31N76W NE
TO E WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 31N78W TO 31N80W TO 30N80W TO 30N79W TO
30N78W TO 31N78W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.ATLC 42 HOUR FORECAST WITHIN 31N45W TO 31N59.5W TO 30.5N58W TO
30N53.5W TO 30.5N51W TO 31N45W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN 31N41W TO 31N59W TO 30N55W TO 30N53W TO
31N41W 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 HAGEN. NATIONAL HURRICANE CENTER.