000
FZNT02 KNHC 100248
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL                     
0430 UTC THU SEP 10 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU SEP 10.
24 HOUR FORECAST VALID 0000 UTC FRI SEP 11.
48 HOUR FORECAST VALID 0000 UTC SAT SEP 12.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM HENRI NEAR 31.3N 60.7W 1008 MB AT 0300 UTC SEP 
10 MOVING N OR 355 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W 
SEMICIRCLE...110 NM NE QUADRANT AND 100 NM SE QUADRANT. SEAS 12 
FT OR GREATER WITHIN 0 NM OF CENTER EXCEPT 180 NM NE QUADRANT 
WITH SEAS TO 14 FT. ELSEWHERE WITHIN FORECAST WATERS 180 NM E 
QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. SCATTERED MODERATE 
TO STRONG CONVECTION WITHIN 210 NM NE QUADRANT.
.24 HOUR FORECAST TROPICAL STORM HENRI NEAR 35.3N 60.9W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE. CONDITIONS N 
OF FORECAST WATERS.
.48 HOUR FORECAST TROPICAL STORM HENRI NEAR 42.4N 58.0W. MAXIMUM 
SUSTAINED WINDS 50 KT GUSTS 60 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. CONDITIONS 
N OF FORECAST WATERS.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL HENRI NEAR 47.5N 
48.5W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. EXTENDED 
OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL HENRI NEAR 47.5N 
32.5W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL HENRI NEAR 47.0N 
17.0W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 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 TROUGH...REMNANTS OF GRACE...FROM 14N53W TO 16N51W. FROM 
15N TO 17N BETWEEN 50W AND 53W E TO SE WINDS 20 TO 25 KT. SEAS 8 
TO 10 FT. SCATTERED MODERATE CONVECTION FROM 14N TO 16N BETWEEN 
51W AND 55W. 
.24 HOUR FORECAST TROUGH...REMNANTS OF GRACE...FROM 13N60W TO 
17N58W. FROM 16N TO 18N BETWEEN 56W AND 59W E TO SE WINDS 20 TO 
25. SEAS 8 TO 9 FT.
.48 HOUR FORECAST TROUGH...REMNANTS OF GRACE...FROM 16N66W TO 
19N65W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN FROM 10N TO 15N BETWEEN 72W AND 77W NE TO E WINDS 20 
TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 10N TO 17N BETWEEN 76W 
AND 80W WINDS 20 KT OR LESS. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 11N TO 13N BETWEEN 68W AND 75W E WINDS 20 
TO 25 KT. SEAS TO 8 FT. ELSEWHERE FROM 11N TO 15N BETWEEN 75W 
AND 80W WINDS 20 KT OR LESS. SEAS TO 8 FT. 
.48 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.

.FORECASTER FORMOSA. NATIONAL HURRICANE CENTER.