High Seas Forecast
Issued by NWS

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000
FZNT02 KNHC 231523
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT SEP 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 23.
24 HOUR FORECAST VALID 1200 UTC SUN SEP 24.
48 HOUR FORECAST VALID 1200 UTC MON SEP 25.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE MARIA NEAR 25.4N 72.3W 952 MB AT 1500 UTC SEP 23
MOVING NNW OR 340 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 100 KT
GUSTS 125 KT. TROPICAL STORM FORCE WINDS WITHIN 170 NM E
SEMICIRCLE...100 NM SW QUADRANT AND 150 NM NW QUADRANT. SEAS 12
FT OR GREATER WITHIN 300 NM OF CENTER EXCEPT 150 NM SW QUADRANT
WITH SEAS TO 40 FT. ELSEWHERE WITHIN 360 NM NE AND 150 NM SW
SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
REMAINDER ATLC WATERS E OF BAHAMAS FROM 20N TO 31N BETWEEN 64W
AND 80W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
NUMEROUS STRONG TSTMS WITHIN 120 NM SW AND 60 NM NE SEMICIRCLES
OF CENTER. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 22N
TO 28N BETWEEN 70W AND 75W.
.24 HOUR FORECAST HURRICANE MARIA NEAR 28.3N 73.0W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS
WITHIN 170 NM E SEMICIRCLE...120 NM SW QUADRANT AND 160 NM NW
QUADRANT. SEAS 12 FT OR GREATER N OF 24N BETWEEN 66W AND 80W NE
OF BAHAMAS WITH SEAS TO 40 FT. ELSEWHERE OVER FORECAST WATERS N
OF 24N BETWEEN 66W AND 78W WINDS 20 TO 33 KT. SEAS 9 TO 14 FT.
REMAINDER ATLC WATERS E OF BAHAMAS FROM 20N TO 31N BETWEEN 63W
AND 80.5W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE MARIA NEAR 30.5N 73.4W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 170 NM E SEMICIRCLE...140 NM SW QUADRANT AND 160 NM NW
QUADRANT. SEAS 12 FT OR GREATER N OF 25N BETWEEN 66W AND 80W N
AND NE OF BAHAMAS WITH SEAS TO 36 FT. ELSEWHERE OVER FORECAST
WATERS N OF 25N BETWEEN 66W AND 77W WINDS 20 TO 33 KT. SEAS 9 TO
14 FT. REMAINDER ATLC WATERS E OF BAHAMAS FROM 22N TO 31N W OF
63W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE MARIA NEAR 32.1N 73.4W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MARIA NEAR 33.5N 73.5W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
.120 HOUR FORECAST HURRICANE MARIA NEAR 34.5N 72.5W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM LEE NEAR 31.9N 49.4W 1007 MB AT 1500 UTC SEP 23
MOVING N OR 360 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS
50 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM OF CENTER. SEAS
12 FT OR GREATER WITHIN 30 NM OF CENTER EXCEPT 45 NM NE QUADRANT
WITH SEAS TO 14 FT.
.24 HOUR FORECAST TROPICAL STORM LEE NEAR 32.3N 48.3W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS
WITHIN 50 NM OF CENTER EXCEPT 40 NM NW QUADRANT. SEAS 12 FT OR
GREATER WITHIN 60 NM OF CENTER...EXCPET 45 NM NW QUADRANT WITH
SEAS TO 16 FT. ELSEWHERE WITHIN 60 NM OF CENTER WINDS 20 TO 33
KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM LEE NEAR 31.3N 46.2W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER.
.72 HOUR FORECAST HURRICANE LEE NEAR 30.5N 45.3W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE LEE NEAR 29.9N 45.9W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.120 HOUR FORECAST HURRICANE LEE NEAR 30.5N 47.1W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 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 24 HOUR FORECAST N OF 29N E OF 40W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN NW TO N SWELL.
.36 HOUR FORECAST N OF 28N E OF A LINE FROM 31N45W TO 28N40W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW TO N SWELL.
.48 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 GR. NATIONAL HURRICANE CENTER.



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