000
FZNT02 KNHC 200303
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT AUG 20 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT AUG 20.
24 HOUR FORECAST VALID 0000 UTC SUN AUG 21.
48 HOUR FORECAST VALID 0000 UTC MON AUG 22.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM FIONA NEAR 18.7N 45.5W 1007 MB AT 0300 UTC AUG
20 MOVING WNW OR 295 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER
EXCEPT 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM N
SEMICIRCLE AND 30 NM S SEMICIRCLE WITH SEAS TO 15 FT.
ELSEWHERE WITHIN 240 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM FIONA NEAR 20.5N 49.5W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 40 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 12 FT OR
GREATER WITHIN 120 NM N SEMICIRCLE WITH SEAS TO 14 FT. ELSEWHERE
WITHIN 240 NM N SEMICIRCLE AND 90 NM S SEMICIRCLE WINDS 20 TO 33
KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL DEPRESSION FIONA NEAR 22.6N 54.7W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 180 NM N
SEMICIRCLE AND 90 NM S SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO
12 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 24.6N
59.1W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 26.5N
62.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 29.0N
63.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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 72W AND 77W NE TO E WINDS 20
TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 10.5N TO 16N BETWEEN
72W AND 82W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE TO E
SWELL.
.24 HOUR FORECAST FROM 11N TO 14N BETWEEN 70W AND 75W NE TO E
WINDS 20 TO 25 KT. SEAS TO 8 FT. FROM 11N TO 15N BETWEEN 75W
AND 80W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL.
.48 HOUR FORECAST FROM 11N TO 15N BETWEEN 70W AND 78W NE TO E
WINDS 20 TO 25 KT. SEAS TO 9 FT.

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

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.