044 
FZNT02 KNHC 030351
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0430 UTC MON SEP 03 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 0000 UTC MON SEP 03.
24 HOUR FORECAST VALID 0000 UTC TUE SEP 04.
48 HOUR FORECAST VALID 0000 UTC WED SEP 05.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM FLORENCE NEAR 17.9N 35.9W 1000 MB AT 0300 UTC 
SEP 03 MOVING WNW OR 290 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 
45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM NW 
AND SE QUADRANTS...50 NM NE QUADRANT AND 20 NM SW QUADRANT. SEAS 
12 FT OR GREATER WITHIN 60 NM S SEMICIRCLE...150 NM NE QUADRANT 
AND 120 NM NW QUADRANT WITH SEAS TO 15 FT. ELSEWHERE WITHIN 480 
NM N AND 300 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT 
IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM FLORENCE NEAR 18.7N 40.6W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM E SEMICIRCLE...30 NM SW QUADRANT AND 50 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM N AND 90 S 
SEMICIRCLES WITH SEAS TO 15 FT. ELSEWHERE WITHIN 480 NM N AND 
240 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN MIXED 
SWELL.
.48 HOUR FORECAST TROPICAL STORM FLORENCE NEAR 19.8N 45.2W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 70 NM NE QUADRANT...50 NM SE QUADRANT...30 NM SW 
QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
210 NM N AND 120 NM S SEMICIRCLES WITH SEAS TO 15 FT. ELSEWHERE 
WITHIN 480 NM N AND 300 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 
8 TO 12 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM FLORENCE NEAR 21.5N 49.6W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM FLORENCE NEAR 23.6N 53.8W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
.120 HOUR FORECAST TROPICAL STORM FLORENCE NEAR 25.5N 56.7W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.

...TROPICAL STORM WARNING...
.POTENTIAL TROPICAL CYCLONE SEVEN NEAR 23.4N 78.7W IN THE 
BAHAMAS 1012 MB AT 0300 UTC SEP 03 MOVING WNW OR 300 DEG AT 13 
KT. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 90 NM NE 
SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 8 FT IN OPEN WATERS. 
.24 HOUR FORECAST TROPICAL STORM SEVEN NEAR 25.9N 83.4W IN SE 
GULF OF MEXICO. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. 
TROPICAL STORM FORCE WINDS WITHIN 40 NM OF CENTER EXCEPT 0 NM SW 
QUADRANT. WITHIN 90 NM NE AND 45 NM SW SEMICIRCLES WINDS 20 TO 
33 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST TROPICAL STORM SEVEN NEAR 28.8N 88.6W. MAXIMUM 
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS 
WITHIN 50 NM N SEMICIRCLE...40 NM SE QUADRANT AND 20 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM NE SEMICIRCLE AND 
45 NM SW SEMICIRCLE WITH SEAS TO 16 FT. ELSEWHERE N OF 27N 
BETWEEN 85W AND 90W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST TROPICAL DEPRESSION SEVEN INLAND NEAR 31.7N 
92.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION SEVEN INLAND NEAR 33.2N 
94.4W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW SEVEN NEAR 34.2N 
95.7W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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.

.CARIBBEAN S OF 14N BETWEEN 70W AND 75W NE TO E WINDS 20 TO 30 
KT. SEAS TO 8 FT. 
.12 HOUR FORECAST FROM 11N TO 14N BETWEEN 74W AND 78W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST S OF 13N BETWEEN 72W AND 75W NE WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0330 UTC MON SEP 3...

ATLC T.S. FLORENCE NEAR 17.9N 35.9W. WITHIN 150 NM NW QUADRANT 
NUMEROUS MODERATE TO STRONG.

ATLC POTENTIAL T.S. SEVEN NEAR 23.4N 78.7W. WITHIN 120 NM NE 
SEMICIRCLE SCATTERED MODERATE. 

ATLC WITHIN 120 NM EITHER SIDE OF TROUGH FROM 28N60W TO 23N55W 
SCATTERED MODERATE. 

ATLC WITHIN 120 NM EITHER SIDE OF TROUGH FROM 20N58W TO 17N62W 
SCATTERED MODERATE.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.