552 
FZNT02 KNHC 062223
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 UTC THU SEP 06 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

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

SYNOPSIS VALID 1800 UTC THU SEP 06.
24 HOUR FORECAST VALID 1800 UTC FRI SEP 07.
48 HOUR FORECAST VALID 1800 UTC SAT SEP 08.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE FLORENCE NEAR 25.0N 49.6W 989 MB AT 2100 UTC SEP 06 
MOVING NW OR 305 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 70 KT 
GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM N 
SEMICIRCLE...50 NM SE QUADRANT AND 30 NM SW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 180 NM NE QUADRANT...120 NM SE QUADRANT...150 
NM SW QUADRANT...AND 240 NM NW QUADRANT WITH SEAS TO 29 FT. 
ELSEWHERE WITHIN 270 NM N SEMICIRCLE...210 NM SE AND 120 NM SW 
QUADRANTS WINDS 20 TO 33 KT. SEAS 8 TO 11 FT IN MIXED SWELL. 
REMAINDER OF AREA WITHIN 330 NM N AND 210 NM S SEMICIRCLES WINDS 
20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE FLORENCE NEAR 25.5N 52.1W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM N SEMICIRCLE...60 NM SE QUADRANT AND 50 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM NW AND 120 NM SE 
SEMICIRCLES WITH SEAS TO 28 FT. ELSEWHERE WITHIN 210 NM N AND 
120 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN MIXED 
SWELL. REMAINDER OF AREA WITHIN 420 NM NW AND 210 NM SE 
SEMICIRCLES WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE FLORENCE NEAR 25.6N 54.6W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 70 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM NW AND 120 NM 
SE SEMICIRCLES WITH SEAS TO 32 FT. ELSEWHERE WITHIN 240 NM NE 
AND 150 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN 
MIXED SWELL. REMAINDER OF AREA WITHIN 500 NM NW AND 270 NM SE 
SEMICIRCLES WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE FLORENCE NEAR 26.4N 57.1W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE FLORENCE NEAR 26.4N 57.1W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT.
.120 HOUR FORECAST HURRICANE FLORENCE NEAR 26.4N 57.1W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT.

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 24 HOUR FORECAST E OF 37W FROM 12.5N TO 17N WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN NE TO E SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13.5N36W 1005 MB. OVER FORECAST WATERS WITHIN 240 NM N AND 120 
NM S SEMICIRCLES WINDS 20 TO 25 KT. SEAS TO 9 FT. 

.CARIBBEAN S OF 13.5N BETWEEN 69W AND 74W E WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT. 
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

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

CONVECTION VALID AT 2000 UTC THU SEP 6...

ATLC HURRICANE FLORENCE NEAR 25.0N 49.6W. WITHIN 240 NM NE AND 
45 NM SW SEMICIRCLE SCATTERED MODERATE TO STRONG.

SCATTERED MODERATE TO STRONG FROM 18N TO 30N BETWEEN 71W AND 
81W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.