000
FZNT02 KNHC 142154
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MON AUG 14.
24 HOUR FORECAST VALID 1800 UTC TUE AUG 15.
48 HOUR FORECAST VALID 1800 UTC WED AUG 16.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GERT NEAR 30.6N 72.3W 992 MB AT 2100 UTC AUG 14 
MOVING N OR 360 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 
75 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE...80 NM SE... 
30 NM SW AND 60 NM NW QUADRANTS. SEAS 12 FT OR GREATER WITHIN 90 
NM NW AND SE QUADRANTS...120 NM NE AND 30 NM SW QUADRANTS WITH 
SEAS TO 24 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 180 NM OF 
CENTER EXCEPT 90 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 
FT.
.24 HOUR FORECAST HURRICANE GERT N OF AREA NEAR 33.3N 71.6W. 
MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE 
WINDS WITHIN 100 NM E SEMICIRCLE...60 NM SW QUADRANT AND 80 NM 
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NE...180 NM 
SE...120 NM SW AND 90 NM NW QUADRANTS WITH SEAS TO 31 FT. 
ELSEWHERE OVER FORECAST WATERS WITHIN 240 NM SE AND 90 NM NW 
SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST HURRICANE GERT NEAR 38.0N 64.0W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 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 120 NM NE...240 NM SE...210 NM SW 
AND 90 NM NW QUADRANTS WITH SEAS TO 37 FT. WINDS 20 TO 33 KT 
WITHIN 300 NM SE AND 120 NM NW SEMICIRCLES. OVER FORECAST WATERS 
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL GERT NEAR 44.5N 
48.0W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL GERT NEAR 52.0N 
39.0W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST...ABSORBED.

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 13N35W 1011 MB. WITHIN 30 NM N QUADRANT NE 
TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 14N41W 1010 MB. WITHIN 90 NM N 
QUADRANT NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 14N47W 1010 MB. WITHIN 120 NM NE 
SEMICIRLE QUADRANT E TO SE WINDS 20 TO 25 KT. SEAS TO 9 FT.

.ATLC 48 HOUR FORECAST TROPICAL WAVE S OF 20N ALONG 41W. FROM 
15N TO 18N BETWEEN 35W AND 43W NE TO E WINDS 20 TO 25 KT. SEAS 8 
TO 9 FT.

.CARIBBEAN FROM 11N TO 13N BETWEEN 76W AND 78W NE WINDS 20 TO 25 
KT. SEAS 8 FT.
.12 HOUR FORECAST FROM 10.5N TO 14N BETWEEN 72W AND 78W NE WINDS 
20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST FROM 11N TO 13.5N BETWEEN 75W AND 78W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST FROM 11N TO 13N BETWEEN 75W AND 78W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 FT.

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

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.