000
FZNT02 KNHC 021614
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SAT SEP 02.
24 HOUR FORECAST VALID 1200 UTC SUN SEP 03.
48 HOUR FORECAST VALID 1200 UTC MON SEP 04.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IRMA NEAR 18.8N 43.3W 973 MB AT 1500 UTC SEP 02 
MOVING W OR 265 DEG AT 13 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 120 NM S SEMICIRCLE...240 NM NE QUADRANT 
AND 210 NM NW QUADRANT WITH SEAS TO 38 FT. ELSEWHERE OVER 
FORECAST WATERS WITHIN 330 NM NE AND 45 NM SW SEMICIRCLES WINDS 
20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA BOUNDED BY 
31N57W TO 21N66W TO 14N43W TO 18N35W WINDS 20 KT OR LESS. SEAS 
TO 9 FT IN MIXED SWELL. 
.24 HOUR FORECAST HURRICANE IRMA NEAR 18.0N 47.4W. 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 41 FT. ELSEWHERE OVER FORECAST WATERS 
WITHIN 270 NM NE AND 90 NM SW SEMICIRCLES WINDS 20 TO 33 KT. 
SEAS 8 TO 11 FT. REMAINDER AREA FROM 11N TO 29N E OF 56W WINDS 
20 KT OR LESS. SEAS TO 11 FT IN MIXED SWELL. 
.48 HOUR FORECAST HURRICANE IRMA NEAR 17.1N 51.6W. 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 
270 NM N AND 180 NM SW SEMICIRCLES WITH SEAS TO 44 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 09N TO 26N 
BETWEEN 45W AND 61W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED SWELL. 
.72 HOUR FORECAST HURRICANE IRMA NEAR 17.4N 56.0W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IRMA NEAR 19.2N 60.6W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT.
.120 HOUR FORECAST HURRICANE IRMA NEAR 22.0N 66.0W. 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 FROM 11N TO 14N BETWEEN 72W AND 78W 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 MT. NATIONAL HURRICANE CENTER.