000
FZNT02 KNHC 011605
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC FRI SEP 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI SEP 01.
24 HOUR FORECAST VALID 1200 UTC SAT SEP 02.
48 HOUR FORECAST VALID 1200 UTC SUN SEP 03.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IRMA NEAR 18.5N 37.8W 972 MB AT 1500 UTC SEP 01 
MOVING WNW OR 285 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 95 KT 
GUSTS 115 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NW AND SE 
QUADRANTS...80 NM NE QUADRANT AND 40 NM SW QUADRANT.  SEAS 12 FT 
OR GREATER WITHIN 210 NM N SEMICIRCLE...45 NM SE QUADRANT AND 
120 NM SW QUADRANT WITH SEAS TO 30 FT. ELSEWHERE OVER FORECAST 
WATERS WITHIN 240 NM NE AND 120 NM SW SEMICIRCLES WINDS 20 TO 33 
KT. SEAS 8 TO 11 FT. REMAINDER OF AREA WITHIN 330 NE AND 300 NM 
S SEMICIRCLES WINDS 20 KT OR LESS. SEAS TO 9 FT IN NE SWELL. 
.24 HOUR FORECAST HURRICANE IRMA NEAR 18.5N 41.8W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM NE QUADRANT...70 NM SE QUADRANT...50 NM SW 
QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
270 NM N AND 100 NM S SEMICIRCLES WITH SEAS TO 36 FT. ELSEWHERE 
OVER FORECAST WATERS WITHIN 330 NM N AND 180 NM S SEMICIRCLES 
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER AREA N OF 15N E OF 
57W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE IRMA NEAR 17.3N 46.6W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 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 
300 NM N AND 90 NM S SEMICIRCLES WITH SEAS TO 39 FT. ELSEWHERE 
WITHIN 360 NM N AND 210 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 
8 TO 11 FT. REMAINDER OF AREA FROM 12N TO 29N E OF 55W WINDS 20 
KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE IRMA NEAR 16.2N 51.0W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IRMA NEAR 16.7N 55.2W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
.120 HOUR FORECAST HURRICANE IRMA NEAR 18.0N 59.5W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 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 28N BETWEEN 49W AND 65W WINDS 20 KT OR LESS. SEAS TO 
10 FT IN N TO NE SWELL.
.24 HOUR FORECAST CONDITIONS MERGED.

.CARIBBEAN FROM 11N TO 13N BETWEEN 73W AND 76W NE TO E WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 11N TO 14N BETWEEN 74W AND 78W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 9 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 MT. NATIONAL HURRICANE CENTER.