000
FZNT02 KNHC 180943
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU AUG 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU AUG 18.
24 HOUR FORECAST VALID 0600 UTC FRI AUG 19.
48 HOUR FORECAST VALID 0600 UTC SAT AUG 20.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM FIONA NEAR 16.2N 40.3W 1005 MB AT 0900 UTC AUG
18 MOVING WNW OR 300 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM N
SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 0
NM S SEMICIRCLE...60 NM NE QUADRANT AND 30 NM NW QUADRANT WITH
SEAS TO 14 FT. ELSEWHERE WITHIN 120 NM N SEMICIRCLE AND 60 NM S
SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA
WITHIN 150 NM OF CENTER WINDS 20 KT OR LESS. SEAS TO 8 FT IN
MIXED SWELL. 
.24 HOUR FORECAST TROPICAL STORM FIONA NEAR 17.9N 43.0W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS
WITHIN 50 NM N SEMICIRCLE...30 NM SE QUADRANT AND 0 NM SW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM N SEMICIRCLE AND 30
NM S SEMICIRCLE WITH SEAS TO 20 FT. ELSEWHERE WITHIN 150 NM N
SEMICIRCLE AND 90 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO
12 FT. 
.48 HOUR FORECAST TROPICAL STORM FIONA NEAR 19.8N 46.6W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. SEAS 12 FT OR GREATER WITHIN
60 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE WITH SEAS TO 16 FT.
ELSEWHERE WITHIN 150 NM N SEMICIRCLE AND 90 NM S SEMICIRCLE
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
.72 HOUR FORECAST TROPICAL STORM FIONA NEAR 22.1N 50.1W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM FIONA NEAR 23.8N 53.5W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST TROPICAL STORM FIONA NEAR 25.6N 56.1W.
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.

.CARIBBEAN FROM 10.5N TO 13N BETWEEN 72W AND 76W...INCLUDING
WITHIN 90 NM OF COAST OF COLOMBIA...NE TO E WINDS 25 TO 30 KT.
SEAS 8 TO 12 FT. ELSEWHERE FROM 11N TO 16N BETWEEN 69W AND 81W
E TO NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.12 HOUR FORECAST FROM 11N TO 14N BETWEEN 70W AND
80W...INCLUDING WITHIN 90 NM OF COAST OF COLOMBIA...NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE FROM 10N TO 16N
BETWEEN 75W AND 81W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO
E SWELL.
.24 HOUR FORECAST FROM 11N TO 16.5N BETWEEN 69W AND
78W...INCLUDING WITHIN 90 NM OF COAST OF COLOMBIA...NE TO E
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST FROM 11N TO 15N BETWEEN 70W AND
78W...INCLUDING WITHIN 90 NM OF COAST OF COLOMBIA...NE TO E
WINDS 20 TO 25 KT. SEAS TO 9 FT. 

.CARIBBEAN 06 HOUR FORECAST S OF 17N W OF 86W...INCLUDING THE
GULF OF HONDURAS...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.06 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 LATTO. NATIONAL HURRICANE CENTER.