000
FZNT02 KNHC 040233
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0430 UTC MON SEP 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON SEP 04.
24 HOUR FORECAST VALID 0000 UTC TUE SEP 05.
48 HOUR FORECAST VALID 0000 UTC WED SEP 06.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IRMA NEAR 17.2N 51.0W 961 MB AT 0300 UTC SEP 04 
MOVING WSW OR 255 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 100 KT 
GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM N 
SEMICIRCLE...80 NM SE QUADRANT AND 50 NM SW QUADRANT.  SEAS 12 
FT OR GREATER WITHIN 390 NM N SEMICIRCLE AND 150 NM S SEMICIRCLE 
WITH SEAS TO 33 FT. ELSEWHERE WITHIN 330 NM N AND 150 NM S 
SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS TO 11 FT. 
REMAINDER WATERS FROM 11N TO 29N BETWEEN 40W AND 59W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.24 HOUR FORECAST HURRICANE IRMA NEAR 16.5N 54.8W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS 
WITHIN 130 NM N SEMICIRCLE...90 NM SE QUADRANT AND 60 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 NM N AND 150 NM S 
SEMICIRCLES WITH SEAS TO 40 FT. ELSEWHERE WITHIN 390 NM N AND 
180 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. 
REMAINDER AREA FROM 10N TO 28N BETWEEN 46W AND 62W WINDS 20 KT 
OR LESS. SEAS TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE IRMA NEAR 17.4N 59.6W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS 
WITHIN 150 NM NE QUADRANT...120 NM SE QUADRANT...80 NM SW 
QUADRANT...AND 140 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
390 NM N SEMICIRCLE...180 NM SE AND 120 NM SW QUADRANTS WITH 
SEAS TO 43 FT. ELSEWHERE WITHIN 450 NM NE AND 120 NM SW 
SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER AREA 
FROM 12N TO 29N BETWEEN 50W AND 67W...INCLUDING CARIBBEAN 
PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE IRMA NEAR 19.3N 65.0W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IRMA NEAR 21.2N 70.2W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT.
.120 HOUR FORECAST HURRICANE IRMA NEAR 22.8N 74.5W. 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.

.CARIBBEAN 30 HOUR FORECAST N OF 13N E OF 63W...INCLUDING ATLC
PASSAGES...WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED N AND E 
SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.