821 
FZNT02 KNHC 060344
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC THU SEP 06.
24 HOUR FORECAST VALID 0000 UTC FRI SEP 07.
48 HOUR FORECAST VALID 0000 UTC SAT SEP 08.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE FLORENCE NEAR 23.4N 47.2W 956 MB AT 0300 UTC SEP 06 
MOVING NW OR 310 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 110 KT 
GUSTS 135 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 120 NM S SEMICIRCLE...210 NM NE QUADRANT 
AND 180 NM NW QUADRANT WITH SEAS TO 38 FT. ELSEWHERE WITHIN 360 
NM NW AND 240 NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 
FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE FLORENCE NEAR 25.0N 49.9W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM NW AND SE QUADRANTS...90 NM NE QUADRANT AND 40 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM NW AND 120 NM 
SE SEMICIRCLES WITH SEAS TO 34 FT. ELSEWHERE WITHIN 420 NM NW 
AND 180 NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN 
MIXED SWELL.
.48 HOUR FORECAST HURRICANE FLORENCE NEAR 25.7N 53.2W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 60 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM NW AND 120 NM 
SE SEMICIRCLES WITH SEAS TO 32 FT. ELSEWHERE WITHIN 420 NM NW 
AND 180 NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN 
MIXED SWELL.
.72 HOUR FORECAST HURRICANE FLORENCE NEAR 26.1N 55.7W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE FLORENCE NEAR 27.2N 58.1W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT.
.120 HOUR FORECAST HURRICANE FLORENCE NEAR 29.0N 62.0W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 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.

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

$$

CONVECTION VALID AT 0300 UTC THU SEP 6...

ATLC HURRICANE FLORENCE NEAR 23.4N 47.2W. WITHIN 120 NM NE AND 
45 NM SW SEMICIRCLE OF CENTER NUMEROUS MODERATE TO STRONG.

ATLC TROUGH FROM 30N70W TO 23N73W. SCATTERED MODERATE WITHIN 180 
NM W OF TROUGH. 

GULF OF MEXICO WITHIN 60 NM EITHER SIDE OF LINE FROM 28N84W TO 
25N83W. 

.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.