000
FZNT02 KNHC 020245
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT SEP 02.
24 HOUR FORECAST VALID 0000 UTC SUN SEP 03.
48 HOUR FORECAST VALID 0000 UTC MON SEP 04.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IRMA NEAR 19.1N 40.5W 967 MB AT 0300 UTC SEP 02 
MOVING W OR 275 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 100 KT 
GUSTS 130 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 N SEMICIRCLE...90 NM SE QUADRANT AND 
150 NM SW QUADRANT WITH SEAS TO 31 FT. ELSEWHERE OVER FORECAST 
WATERS WITHIN 300 NM N AND 90 NM S SEMICIRCLES WINDS 20 TO 33 
KT. SEAS 8 TO 11 FT. REMAINDER OF AREA FROM 14N TO 25N E OF 45W 
WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL. 
.24 HOUR FORECAST HURRICANE IRMA NEAR 18.5N 44.6W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM NE QUADRANT...80 NM SE QUADRANT...60 NM SW 
QUADRANT...AND 90 NM NW 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 120 NM S SEMICIRCLES 
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER AREA FROM 14N TO 
25N E OF 55W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE IRMA NEAR 17.3N 49.0W. 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 41W AND 
57W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE IRMA NEAR 16.8N 53.3W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IRMA NEAR 18.0N 57.5W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT.
.120 HOUR FORECAST HURRICANE IRMA NEAR 20.5N 62.5W. 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 26N BETWEEN 45W AND 70W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT IN N TO NE SWELL.
.24 HOUR FORECAST N OF 25N E OF 50W WINDS 20 KT OR LESS. SEAS 8 
TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN 06 HOUR FORECAST FROM 11N TO 13N BETWEEN 72W AND 76W 
NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 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 AL. NATIONAL HURRICANE CENTER.