000
FZNT02 KNHC 051610
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU OCT 5 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC THU OCT 5.
24 HOUR FORECAST VALID 1200 UTC FRI OCT  6.
48 HOUR FORECAST VALID 1200 UTC SAT OCT  7.

.WARNINGS.

...CARIBBEAN AND GULF OF MEXICO HURRICANE WARNING...
.TROPICAL STORM NATE NEAR 14.3N 83.7W 999 MB AT 1500 UTC OCT 05 
MOVING NW OR 325 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS
45 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM E SEMICIRCLE AND 
0 NM W SEMICIRCLE. OVER FORECAST CARIBBEAN WATERS FROM 12N TO 14N
W OF 82W S WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST TROPICAL STORM NATE OVER WATER NEAR 18.1N 
85.4W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM 
FORCE WINDS WITHIN 60 NM E SEMICIRCLE AND 30 NM W SEMICIRCLE.
ELSEWHERE OVER FORECAST CARIBBEAN WATERS WITHIN 90 NM NW
SEMICIRCLE AND 180 NM SE SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO
11 FT.
.48 HOUR FORECAST HURRICANE NATE NEAR 23.7N 88.1W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM E SEMICIRCLE AND 60 NM W SEMICIRCLE. SEAS 12 FT OR 
GREATER WITHIN 90 NM OF CENTER WITH SEAS TO 21 FT. ELSEWHERE
OVER FORECAST WATERS WITHIN 120 NM NW SEMICIRCLE AND 210 NM SE 
QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST HURRICANE NATE NEAR 29.5N 89.5W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST TROPICAL DEPRESSION NATE INLAND NEAR 36.0N 
85.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. 
.120 HOUR FORECAST POST-TROPICAL NATE NEAR 41.5N 76.5W. MAXIMUM 
SUSTAINED WINDS 20 KT GUSTS 30 KT.

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 WITHIN AREA BOUNDED BY 31N82W TO 31N60W TO 23.5N81W E TO SE
WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN OPEN WATERS. ELSEWHERE FROM
31N82W TO 31N38W TO 21N62W TO 31N82W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN E SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 31N74W TO 31N36W TO
20N55W TO 31N74W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E
SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO TROUGH FROM 36N82W TO LOW PRES NEAR 23.5N82W 1007
MB. N OF 24N E OF 88W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. N OF
24N W OF 88W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NE TO E SWELL.
.24 HOUR FORECAST TROUGH FROM 31N86W TO LOW PRES NEAR 23N89W 
1007 MB. N OF 24N BETWEEN 86W AND 92W NE TO E WINDS 20 TO 25 KT.
SEAS 8 TO 10 FT. 
.48 HOUR FORECAST LOW PRES NEAR 27N94W 1005 MB. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 1530 UTC THU OCT 05...

.TROPICAL STORM NATE...NUMEROUS MODERATE SCATTERED STRONG FROM
11N TO 16N W OF 73W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.