000
FZNT02 KNHC 091005
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC MON OCT 9 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 0600 UTC MON OCT 9.
24 HOUR FORECAST VALID 0600 UTC TUE OCT 10.
48 HOUR FORECAST VALID 0600 UTC WED OCT 11.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL DEPRESSION SEVENTEEN NEAR 31.1N 39.9W 1008 MB AT 0900
UTC OCT 09 MOVING N OR 010 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS
30 KT GUSTS 40 KT. OVER FORECAST WATERS WITHIN 60 NM SE QUADRANT
WINDS 20 TO 30 KT. SEAS TO 8 FT. ELSEWHERE FROM 30N TO 31N
BETWEEN 40W AND 45W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. FROM 28N
TO 31N BETWEEN 46W AND 55W WINDS 20 KT OR LESS. SEAS TO 9 FT IN
NE SWELL.
.24 HOUR FORECAST TROPICAL STORM SEVENTEEN NEAR 31.7N 39.0W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM W SEMICIRCLE...40 NM NE QUADRANT AND 50 NM SE 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 75 NM N AND 30 NM S
SEMICIRCLES WITH SEAS TO 13 FT. ELSEWHERE OVER FORECAST WATERS N
OF 30N BETWEEN 38W AND 42W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM SEVENTEEN NEAR 31.0N 37.8W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 50 NM OF CENTER. SEAS 12 FT OR GREATER 
WITHIN 120 NM N AND 60 NM S SEMICIRCLES WITH SEAS TO 16 FT.
ELSEWHERE OVER FORECAST WATERS N OF 29N BETWEEN 36W AND 38W WINDS
20 TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST TROPICAL STORM SEVENTEEN NEAR 29.7N 37.0W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST TROPICAL STORM SEVENTEEN NEAR 29.7N 35.5W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. 
.120 HOUR FORECAST TROPICAL STORM SEVENTEEN NEAR 31.0N 32.0W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

...ATLC GALE WARNING...
.TROPICAL WAVE ALONG 48W FROM 18N TO 08N. FROM 14N TO 16N 
BETWEEN 44W AND 48W SE WINDS 25 TO 35 KT. SEAS TO 9 FT. ELSEWHERE
FROM 13N TO 17N BETWEEN 42W AND 50W SE WINDS 20 TO 25 KT. SEAS 8
FT. 
.12 HOUR FORECAST TROPICAL WAVE ALONG 50W FROM 18N TO 08N.
WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED E AND SE SWELL.
.24 HOUR FORECAST TROPICAL WAVE ALONG 54W FROM 20N TO 10N. FROM
16N TO 20N BETWEEN 48W AND 52W WINDS 20 KT OR LESS. SEAS 8 FT
PRIMARILY IN E SWELL.
.48 HOUR FORECAST TROPICAL WAVE ALONG 60W FROM 22N TO 12N. WINDS
20 KT OR LESS. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC FROM 23N TO 25N BETWEEN 72W AND 75W WINDS 20 KT OR LESS.
SEAS 8 FT IN E SWELL.
.24 HOUR FORECAST FROM 20N TO 24N BETWEEN 58W AND 64W WINDS 20 KT
OR LESS. SEAS 8 FT IN E SWELL.
.48 HOUR FORECAST FROM 22N TO 28N BETWEEN 58W AND 68W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 12 FT.

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

CONVECTION VALID AT 0930 UTC MON OCT 09...

.TROPICAL DEPRESSION SEVENTEEN-E...SCATTERED MODERATE ISOLATED
STRONG WITHIN 60 NM NE QUADRANT.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.