High Seas Forecast
Issued by NWS

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437
FZNT02 KNHC 230253
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT SEP 23.
24 HOUR FORECAST VALID 0000 UTC SUN SEP 24.
48 HOUR FORECAST VALID 0000 UTC MON SEP 25.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE MARIA NEAR 24.1N 71.7W 954 MB AT 0300 UTC SEP 23
MOVING NNW OR 345 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 110 KT
GUSTS 135 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE
QUADRANT...130 NM SE QUADRANT...90 NM SW QUADRANT...AND 120 NM
NW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 360 NM N
SEMICIRCLE...240 NM SE QUADRANT AND 120 NM SW QUADRANT WITH SEAS
TO 45 FT. ELSEWHERE WITHIN 360 NM NE AND 150 NM SW SEMICIRCLES
OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER ATLC
WATERS FROM 20N TO 31N BETWEEN 63W 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 21N TO 27N BETWEEN 67W AND 74W.
.24 HOUR FORECAST HURRICANE MARIA NEAR 27.0N 72.4W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS
WITHIN 160 NM NE QUADRANT...150 NM SE QUADRANT...110 NM SW
QUADRANT...AND 140 NM NW QUADRANT. SEAS 12 FT OR GREATER N OF
23N BETWEEN 67W AND 80W NE OF BAHAMAS WITH SEAS TO 43 FT.
ELSEWHERE OVER FORECAST WATERS WITHIN 330 NM NW AND 240 NM SE
SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
REMAINDER OPEN WATERS N OF 21N W OF 63W INCLUDING BAHAMAS
PASSAGES WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE MARIA NEAR 29.7N 72.8W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 170 NM E SEMICIRCLE...140 NM SW QUADRANT AND 150 NM NW
QUADRANT. SEAS 12 FT OR GREATER N OF 24N BETWEEN 67W AND 80W NE
OF BAHAMAS WITH SEAS TO 40 FT. ELSEWHERE OVER FORECAST WATERS
WITHIN 360 NM E AND 270 NM W SEMICIRCLES OF CENTER WINDS 20 TO
33 KT. SEAS 10 TO 20 FT IN OPEN WATERS. REMAINDER OF OPEN WATERS
N OF 22N W OF 64W WINDS 20 KT OR LESS. SEAS TO 11 FT IN MIXED
SWELL.
.72 HOUR FORECAST HURRICANE MARIA NEAR 31.7N 72.4W. 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 72.3W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
.120 HOUR FORECAST HURRICANE MARIA NEAR 35.5N 71.0W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.

...ATLC TROPICAL STORM WARNING...

.TROPICAL STORM LEE NEAR 31.5N 49.0W 1009 MB AT 0300 UTC SEP 23
MOVING N OR 05 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS
45 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM OF CENTER.  SEAS
12 FT OR GREATER WITHIN 30 NM OF CENTER WITH SEAS TO 12 FT.
ELSEWHERE WITHIN 45 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 11
FT. SCATTERED MODERATE ISOLATED STRONG WITHIN 30 NM OF CENTER.
.24 HOUR FORECAST TROPICAL STORM LEE NEAR 32.5N 47.8W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 50 NM E SEMICIRCLE...40 NM SW QUADRANT AND 30 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM E AND 45 NM W
SEMICIRCLES OF CENTER WITH SEAS TO 15 FT. ELSEWHERE WITHIN 60 NM
OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST TROPICAL STORM LEE NEAR 32.1N 45.2W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 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 WITH SEAS TO 20 FT. ELSEWHERE
WITHIN 75 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.72 HOUR FORECAST HURRICANE LEE NEAR 31.3N 43.1W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE LEE NEAR 30.0N 42.5W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
.120 HOUR FORECAST HURRICANE LEE NEAR 29.5N 43.5W. 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.

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

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.



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