High Seas Forecast
Issued by NWS

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370
FZNT02 KNHC 250238
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC MON SEP 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 25.
24 HOUR FORECAST VALID 0000 UTC TUE SEP 26.
48 HOUR FORECAST VALID 0000 UTC WED SEP 27.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE MARIA NEAR 30.0N 73.0W 950 MB AT 0300 UTC SEP 25
MOVING N OR 360 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 80 KT GUSTS
100 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM E
SEMICIRCLE...140 NM SW QUADRANT AND 160 NM NW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 360 NM OF CENTER EXCEPT 300 NM SW QUADRANT
WITH SEAS TO 37 FT. ELSEWHERE OVER FORECAST WATERS N OF 25N
BETWEEN 66W AND 77W WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
REMAINDER ATLC WATERS N OF 22N W OF 63W AND NE OF BAHAMAS WINDS
20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. NUMEROUS STRONG
TSTMS WITHIN 90 NM SW AND 60 NM NE SEMICIRCLES OF CENTER.
SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 27N TO 31N
BETWEEN 70W AND 76W.
.24 HOUR FORECAST HURRICANE MARIA NEAR 31.9N 73.3W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS. SEAS 12 FT OR GREATER OVER FORECAST
WATERS N OF 27N BETWEEN 66W AND 78W WITH SEAS TO 35 FT.
ELSEWHERE OVER FORECAST WATERS N OF 27N BETWEEN 65W AND 76W
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER ATLC WATERS N OF
22N W OF 63W AND NE OF BAHAMAS WINDS 20 KT OR LESS. SEAS 8 TO 11
FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE MARIA NEAR 33.9N 73.5W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS. SEAS 12 FT OR GREATER OVER FORECAST
WATERS N OF 29N BETWEEN 67W AND 75W WITH SEAS TO 33 FT.
ELSEWHERE OVER FORECAST WATERS N OF 28N BETWEEN 67W AND 74W
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER ATLC WATERS N OF
27N W OF 64W AND NE OF BAHAMAS WINDS 20 KT OR LESS. SEAS 8 TO 11
FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE MARIA NEAR 35.2N 72.8W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MARIA NEAR 36.5N 69.5W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.120 HOUR FORECAST HURRICANE MARIA NEAR 38.0N 62.0W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.

...ATLC HURRICANE WARNING...
.HURRICANE LEE NEAR 31.1N 49.5W 980 MB AT 0300 UTC SEP 25 MOVING
ESE OR 115 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100
KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM OF CENTER.SEAS 12
FT OR GREATER N OF 29N BETWEEN 48W AND 51W WITH SEAS TO 20 FT.
ELSEWHERE OVER FORECAST WATERS N OF 28N BETWEEN 47W AND 52W
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER FORECAST WATERS N
OF 27N BETWEEN 46W AND 52W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE LEE NEAR 30.7N 49.9W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 40 NM OF CENTER. SEAS 12 FT OR GREATER OVER FORECAST
WATERS N OF 29N BETWEEN 47W AND 51W WITH SEAS TO 22 FT.
ELSEWHERE OVER FORECAST WATERS N OF 28.5N BETWEEN 45W AND 50W
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER FORECAST WATERS N
OF 27N BETWEEN 43W AND 52W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE LEE NEAR 30.8N 52.5W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM N SEMICIRCLE AND 50 NM S SEMICIRCLE. SEAS 12 FT OR
GREATER OVER FORECAST WATERS N OF 29N BETWEEN 52W AND 55W WITH
SEAS TO 26 FT. ELSEWHERE OVER FORECAST WATERS N OF 28N BETWEEN
50W AND 57W WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER
FORECAST WATERS N OF 24N BETWEEN 49W AND 58W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE LEE NEAR 31.8N 54.1W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE LEE NEAR 34.7N 53.0W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.120 HOUR FORECAST TROPICAL STORM LEE NEAR 40.0N 46.5W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 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 29N E OF 41W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
NW TO N SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN 24 HOUR FORECAST S OF 14N BETWEEN 67W AND 71W E WINDS
20 TO 25 KT. SEAS BUILDING TO 8 FT.
.48 HOUR FORECAST S OF 15N BETWEEN 68W AND 73W NE TO E WINDS 20
TO 25 KT. SEAS 8 FT.

.CARIBBEAN 30 HOUR FORECAST S OF 20N W OF 85W...INCLUDING THE
GULF OF HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.42 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 AL. NATIONAL HURRICANE CENTER.



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