234 
FZNT02 KNHC 031610
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MON SEP 03.
24 HOUR FORECAST VALID 1200 UTC TUE SEP 04.
48 HOUR FORECAST VALID 1200 UTC WED SEP 05.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM FLORENCE NEAR 18.3N 38.7W 997 MB AT 1500 UTC SEP 
03 MOVING WNW OR 285 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 55 KT 
GUSTS 65 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 150 NM N SEMICIRCLE...90 NM SE QUADRANT AND 60 
NM SW QUADRANT WITH SEAS TO 18 FT. ELSEWHERE WITHIN 195 NM E 
SEMICIRCLE AND 120 NM W SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT IN MIXED SWELL. REMAINDER AREA FROM 13N TO 26N E OF 46W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT. 
.24 HOUR FORECAST TROPICAL STORM FLORENCE NEAR 19.2N 43.0W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM N SEMICIRCLE...50 NM SE QUADRANT AND 30 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 195 NM NW AND 150 NM SE 
SEMICIRCLES WITH SEAS TO 20 FT. ELSEWHERE WITHIN 210 NM N AND 
150 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. 
REMAINDER AREA FROM 14N TO 27N BETWEEN 36W AND 49W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM FLORENCE NEAR 20.8N 47.6W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM NE QUADRANT...50 NM SE QUADRANT...30 NM SW 
QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
240 NM NE AND 105 NM SW SEMICIRCLES WITH SEAS TO 21 FT. 
ELSEWHERE WITHIN 270 NM NE AND 120 NM SW SEMICIRCLES WINDS 20 TO 
33 KT. SEAS 10 TO 12 FT. REMAINDER AREA FROM 16N TO 28N BETWEEN 
39W AND 54W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.72 HOUR FORECAST TROPICAL STORM FLORENCE NEAR 23.0N 52.2W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM FLORENCE NEAR 25.0N 55.0W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST TROPICAL STORM FLORENCE NEAR 27.0N 58.0W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.

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

...TROPICAL STORM WARNING...
.TROPICAL STORM GORDON NEAR 25.3N 81.3W 1009 MB AT 1500 UTC SEP 
03 MOVING WNW OR 300 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 40 KT 
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM E 
SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS TO 9 FT.
.24 HOUR FORECAST TROPICAL STORM GORDON NEAR 28.1N 86.0W.
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 60 NM NE SEMICIRCLE AND 0 
NM SW SEMICIRCLE WITH SEAS TO 15 FT. ELSEWHERE WITHIN 105 NM NE 
SEMICIRCLE AND 150 NM NW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM GORDON NEAR 31.3N 90.3W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM N SEMICIRCLE...40 NM SE QUADRANT AND 0 NM SW 
QUADRANT. OVER FORECAST WATERS SEAS LESS THAN 8 FT. 
.72 HOUR FORECAST TROPICAL DEPRESSION GORDON INLAND NEAR 33.9N 
93.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION GORDON NEAR 33.9N 93.2W.
MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION GORDON NEAR 33.9N 93.2W.
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 FROM 11N TO 14N BETWEEN 74W AND 77W NE TO E WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT.
.06 HOUR FORECAST FROM 11N TO 13N BETWEEN 75W AND 78W WINDS 20 
KT OR LESS. SEAS TO 8 FT.
.24 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 1515 UTC MON SEP 3...

ATLC T.S. FLORENCE NEAR 18.3N 38.7W. WITHIN 105 NM OF CENTER 
NUMEROUS MODERATE TO STRONG.

ATLC T.S. GORDON NEAR 25.3N 81.3W. WITHIN 150 NM NE SEMICIRCLE 
NUMEROUS MODERATE. 

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.