High Seas Forecast
Issued by NWS

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895
FZNT02 KNHC 140240
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC MON AUG 14 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 0000 UTC MON AUG 14.
24 HOUR FORECAST VALID 0000 UTC TUE AUG 15.
48 HOUR FORECAST VALID 0000 UTC WED AUG 16.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GERT NEAR 28.8N 71.9W 1009 MB AT 0300 UTC AUG 14
MOVING NNW OR 345 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W
SEMICIRCLE...80 NM NE QUADRANT AND 60 NM SE QUADRANT. ELSEWHERE
WITHIN 150 NM NE AND 60 NM SW SEMICIRCLES WINDS 20 TO 33 KT.
SEAS 8 TO 11 FT.
.24 HOUR FORECAST TROPICAL STORM GERT NEAR 31.6N 72.1W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM E SEMICIRCLE...60 NM SW QUADRANT AND 40 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL STORM
FORCE WINDS WITH SEAS TO 18 FT. ELSEWHERE OVER FORECAST WATERS
WITHIN 100 NM S OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST HURRICANE GERT N OF AREA NEAR 36.0N 68.5W.
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE
WINDS WITHIN 100 NM NE...120 NM SE...80 NM SW AND 40 NM NW
QUADRANTS. SEAS 12 FT OR GREATER WITHIN WITHIN 60 NM W
SEMICIRCLE...70 NM NE QUADRANT AND 140 NM SE QUADRANT WITH SEAS
TO 23 FT. OVER FORECAST WATERS WINDS 20 KT OR LESS. SEAS LESS
THAN 8 FT.
.72 HOUR FORECAST HURRICANE GERT NEAR 41.0N 55.5W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL GERT NEAR 48.0N
41.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 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 48 HOUR FORECAST TROPICAL WAVE ALONG 37W FROM 20N TO 09N
WITH LOW PRES NEAR 13N37W 1010 MB. WITHIN 90 NM OF LOW CENTER
EXCEPT 30 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.

.CARIBBEAN FROM 11N TO 13.5N BETWEEN 73W AND 78W NE TO E WINDS
20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 11N TO 13N BETWEEN 71W AND 76W NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST FROM 11N TO 13N BETWEEN 71W AND 75W NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

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

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.



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