000
FZNT02 KNHC 141000
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MON AUG 14.
24 HOUR FORECAST VALID 0600 UTC TUE AUG 15.
48 HOUR FORECAST VALID 0600 UTC WED AUG 16.

.WARNINGS.

...ATLC HURRICANE WARNING...
.TROPICAL STORM GERT NEAR 29.7N 72.2W 1009 MB AT 0900 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. SEAS 12 FT 
OR GREATER WITHIN 0 NM W SEMICIRCLE...90 NM NE QUADRANT AND 60 
NM SE QUADRANT WITH SEAS TO 15 FT. 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 N OF AREA NEAR 32.7N 
71.9W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 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 22 FT. ELSEWHERE WITHIN 180 NM SE 
AND 90 NM NW SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 
11 FT.
.48 HOUR FORECAST HURRICANE GERT WELL N OF AREA NEAR 37.3N 
66.0W. 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 100 NM NE QUADRANT... 
140 NM SE QUADRANT...AND 60 NM W SEMICIRCLE WITH SEAS TO 30 FT.
ELSEWHERE WITHIN 240 NM SE AND 120 NM NW SEMICIRCLES WINDS 20 TO 
33 KT. SEAS 8 TO 11 FT. OVER FORECAST WATERS WINDS 20 KT OR 
LESS. SEAS LESS THAN 8 FT.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL GERT NEAR 42.7N 
52.1W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL GERT NEAR 49.0N 
38.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST...ABSORBED BY LARGER EXTRATROPICAL LOW.

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 42 HOUR FORECAST TROPICAL WAVE ALONG 37W FROM 20N TO 09N 
WITH LOW PRES NEAR 14N37W 1010 MB. WITHIN 90 NM OF LOW CENTER 
EXCEPT 30 NM SW QUADRANT WINDS 25 TO 30 KT. SEAS 8 TO 11 FT.
ELSEWHERE FROM 14N TO 20N E OF 38W NE TO E WINDS 20 TO 25 KT.
8 TO 9 FT.
.48 HOUR FORECAST TROPICAL WAVE ALONG 37.5W FROM 20N TO 09N WITH 
LOW PRES NEAR 14N37.5W 1009 MB. WITHIN 90 NM OF LOW CENTER 
EXCEPT 30 NM SW QUADRANT WINDS 25 TO 30 KT. SEAS 9 TO 12 FT.
ELSEWHERE FROM 14N TO 19.5N E OF 40W NE TO E WIND 20 TO 25 KT.
SEAS 8 TO 11 FT.

.CARIBBEAN FROM 11N TO 13.5N BETWEEN 73W AND 77W NE TO E WINDS 
20 TO 25 KT. SEAS 8 TO 9 FT.
.12 HOUR FORECAST FROM 11N TO 13N BETWEEN 72W AND 75W AND
GULF OF VENEZUELA NE TO E WINDS 20 TO 25 KT. SEAS 8 FT...
EXCEPT LESS THAN 8 FT GULF OF VENEZUELA. FROM 11N TO 13N BETWEEN
77W AND 80W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE SWELL.
.24 HOUR FORECAST FROM 11N TO 14N BETWEEN 71W AND 77W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT...HIGHEST NEAR 12N75W. FROM 
11N TO 13N BETWEEN 77W AND 80W WINDS 20 KT OR LESS. SEAS TO 8 FT 
IN NE SWELL.
.48 HOUR FORECAST FROM 11N TO 14N BETWEEN 71W AND 76W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. FROM 11N TO 13N BETWEEN 77W 
AND 81W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE SWELL.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.