000
FZNT02 KNHC 020946
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 UTC SAT SEP 02 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT SEP 02.
24 HOUR FORECAST VALID 0600 UTC SUN SEP 03.
48 HOUR FORECAST VALID 0600 UTC MON SEP 04.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IRMA NEAR 19.0N 41.8W 970 MB AT 0900 UTC SEP 02 
MOVING W OR 270 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 95 KT 
GUSTS 115 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N 
SEMICIRCLE...50 NM SE QUADRANT AND 40 NM SW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 240 NM NE QUADRANT...100 NM SE QUADRANT...120 
NM SW QUADRANT...AND 210 NM NW QUADRANT WITH SEAS TO 34 FT. 
ELSEWHERE OVER FORECAST WATERS WITHIN 330 NM NE AND 75 NM SW 
SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF 
AREA WITHIN 150 NM S SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 9 
FT IN MIXED SWELL. 
.24 HOUR FORECAST HURRICANE IRMA NEAR 18.3N 46.1W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM NW AND SE QUADRANTS...80 NM NE QUADRANT AND 60 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 330 NM N AND 120 NM S 
SEMICIRCLES WITH SEAS TO 38 FT. ELSEWHERE OVER FORECAST WATERS 
WITHIN 330 NM N AND 90 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 
8 TO 11 FT. REMAINDER AREA FROM 13.5N TO 25N E OF 55W WINDS 20 
KT OR LESS. SEAS TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE IRMA NEAR 17.1N 50.4W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS 
WITHIN 120 NM NE QUADRANT...90 NM SE QUADRANT...70 NM SW 
QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
330 NM N AND 120 NM S SEMICIRCLES WITH SEAS TO 42 FT. ELSEWHERE 
WITHIN 360 NM N AND 150 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 
8 TO 11 FT. REMAINDER OF AREA FROM 11N TO 26N BETWEEN 40W AND 
59W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE IRMA NEAR 17.0N 54.7W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IRMA NEAR 18.4N 59.3W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT.
.120 HOUR FORECAST HURRICANE IRMA NEAR 21.0N 64.5W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 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 N OF LINE FROM 31N59W TO 27.5N65W TO 23N58W TO 31N40W 
WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN NW TO N SWELL...HIGHEST 
N OF 27N E OF 55W.
.24 HOUR FORECAST N OF 25N E OF 52W WINDS 20 KT OR LESS. SEAS 8 
TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST FROM 26N TO 28N BETWEEN 42W AND 57W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.

.CARIBBEAN FROM 11N TO 14N BETWEEN 72W AND 76W NE TO E WINDS 20 
TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 11N TO 13N BETWEEN 73W AND 76W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.