000
FZNT02 KNHC 052101
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU OCT 05 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU OCT 05.
24 HOUR FORECAST VALID 1800 UTC FRI OCT 06.
48 HOUR FORECAST VALID 1800 UTC SAT OCT 07.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM PHILIPPE NEAR 27.0N 66.2W 1005 MB AT 2100 UTC 
OCT 05 MOVING N OR 360 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 45 
KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W 
SEMICIRCLE...120 NM NE QUADRANT AND 200 NM SE QUADRANT.  SEAS 12 
FT OR GREATER WITHIN 90 NM NE QUADRANT...150 NM SE QUADRANT...0 
NM SW QUADRANT...AND 30 NM NW QUADRANT WITH SEAS TO 15 FT. 
ELSEWHERE WITHIN 180 NM NE QUADRANT...240 NM SE QUADRANT AND 60 
NM W SEMICIRCLE WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF 
AREA FROM 23N TO 31N BETWEEN 60W AND 70W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED SWELL. 
.24 HOUR FORECAST TROPICAL STORM PHILIPPE N OF AREA NEAR 32.5N 
65.7W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM 
FORCE WINDS WITHIN 180 NM NE QUADRANT...150 NM SE QUADRANT...0 
NM SW QUADRANT...AND 80 NM NW QUADRANT. OVER FORECAST WATERS N 
OF 30N BETWEEN 59W AND 67W...AND FROM 27N BETWEEN 59W AND 65W 
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. ELSEWHERE N OF A LINE FROM 
31N55W TO 27N63W TO 31N72W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN MIXED SWELL. SEE PART 1.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL PHILIPPE NEAR 
39.0N 66.2W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL 
STORM FORCE WINDS WITHIN 210 NM E SEMICIRCLE AND 120 NM W 
SEMICIRCLE. OVER FORECAST WATERS N OF A LINE FROM 29N55W TO 
27N62W TO 31N67W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED 
SWELL. SEE PART 1.
.72 HOUR FORECAST POST-TROPICAL PHILIPPE NEAR 48.6N 71.4W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 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.

.SYNOPSIS AND FORECAST.

.ATLC 18 HOUR FORECAST N OF A LINE FROM 31N38W TO 29N45W TO 
31N55W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.
.24 HOUR FORECAST N OF A LINE FROM 31N35W TO 28N45W TO 31N55W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.
.36 HOUR FORECAST N OF A LINE FROM 28N35W TO 26N45W TO 29N55W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL.
.48 HOUR FORECAST N OF A LINE FROM 25N35W TO 24N45W TO 29N55W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N SWELL...EXCEPT 12 TO 
13 FT N OF 29N E OF 46W.

.ATLC FROM 13N TO 18N BETWEEN 54W AND 58W WINDS 20 KT OR LESS. 
SEAS TO 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO COLD FRONT FROM 31N94W TO 27N97W. NW OF FRONT NE 
WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST COLD FRONT FROM 29N83W TO 28N90W TO 26N97W. NW 
OF FRONT NE WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 29N83W TO 26N90W TO 19N95W. N 
OF 26N W OF 91W NE WINDS 20 TO 25 KT. SEAS TO 8 FT. S OF 21N W 
OF FRONT NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.