000
FZNT02 KNHC 201500
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SAT AUG 20.
24 HOUR FORECAST VALID 1200 UTC SUN AUG 21.
48 HOUR FORECAST VALID 1200 UTC MON AUG 22.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM FIONA NEAR 20.3N 47.8W 1008 MB AT 1500 UTC AUG
20 MOVING WNW OR 300 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NW
QUADRANT. SEAS 12 FT OR GREATER 90 NM NE QUADRANT WITH SEAS TO
13 FT. ELSEWHERE WITHIN 150 NM N AND 60 NM S SEMICIRCLES WINDS
20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER AREA WITHIN 240 NM NE
AND 90 NM SW SEMICIRCLES WINDS 20 KT OR LESS. SEAS TO 9 FT IN
MIXED SWELL.
.24 HOUR FORECAST TROPICAL DEPRESSION FIONA NEAR 22.3N 52.1W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 120 NM N AND
45 NM S SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
ELSEWHERE WITHIN 180 NM NE AND 60 NM SW SEMICIRCLES WINDS 20 KT
OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 24.2N
57.6W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 120 NM
NE AND 30 NM SW SEMICIRCLES. WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 26.2N
61.3W. 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 28.2N
63.8W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST...DISSIPATED.

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 LOW PRES NEAR 11N35W 1009 MB. WITHIN 120 NM N SEMICIRCLE
OF LOW NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 12N42W 1009 MB. WITHIN 240 NM N
SEMICIRCLE OF LOW NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW PRES NEAR 13N48W 1008 MB. WITHIN 300 NM N
SEMICIRCLE OF LOW E WINDS 20 TO 25 KT. SEAS TO 10 FT.

.CARIBBEAN FROM 11N TO 14.5N BETWEEN 73W AND 78W NE TO E WINDS
20 TO 25 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST FROM 10.5N TO 17N BETWEEN 70W AND 81W NE TO E
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO 36 HOUR FORECAST FROM 20N TO 23N BETWEEN 90W AND
93W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 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 MUNDELL. NATIONAL HURRICANE CENTER.