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High Seas Forecast (Tropical Atlantic)



000
FZNT02 KNHC 241011
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 UTC SUN SEP 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SUN SEP 24.
24 HOUR FORECAST VALID 0600 UTC MON SEP 25.
48 HOUR FORECAST VALID 0600 UTC TUE SEP 26.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE MARIA NEAR 27.9N 72.7W 948 MB AT 0900 UTC SEP 24 
MOVING N OR 355 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 
115 KT. TROPICAL STORM FORCE WINDS WITHIN 210 NM NE QUADRANT... 
200 NM SE QUADRANT...120 NM SW QUADRANT...AND 160 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 330 NM NE QUADRANT...300 
NM SE QUADRANT...240 NM SW QUADRANT...AND 360 NM NW QUADRANT 
WITH SEAS TO 42 FT. ELSEWHERE WITHIN 360 NM NE AND 240 NM SW 
SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
REMAINDER ATLC WATERS N OF 21N BETWEEN BAHAMAS AND 63W WINDS 20 
KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. NUMEROUS STRONG 
TSTMS WITHIN 120 NM SW AND 60 NM NE SEMICIRCLES OF CENTER. 
SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 27N TO 31N 
BETWEEN 68W AND 77W.
.24 HOUR FORECAST HURRICANE MARIA NEAR 30.1N 73.0W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS 
WITHIN 200 NM E SEMICIRCLE...120 NM SW QUADRANT AND 160 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 NM N SEMICIRCLE AND 
300 NM S SEMICIRCLE OF CENTER WITH SEAS TO 40 FT. ELSEWHERE OVER 
FORECAST WATERS N OF 26N BETWEEN 67W AND 78W WINDS 20 TO 33 KT. 
SEAS 8 TO 12 FT. REMAINDER ATLC WATERS N OF 22N BETWEEN BAHAMAS 
AND A LINE FROM 31N60W TO 26N66W TO 22N71W WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE MARIA N OF AREA NEAR 32.1N 73.2W. 
MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 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 450 NM NE QUADRANT... 
360 NM SE QUADRANT...330 NM SW QUADRANT AND 360 NM NW QUADRANT 
OVER FORECAST WATERS WITH SEAS TO 38 FT. ELSEWHERE OVER FORECAST 
WATERS N OF 27N BETWEEN 67W AND 78W WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT. REMAINDER ATLC WATERS N OF 23N BETWEEN BAHAMAS AND A LINE 
FROM 31N61W TO 27N65W TO 23N69W WINDS 20 KT OR LESS. SEAS 8 TO 
12 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE MARIA NEAR 34.0N 73.5W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MARIA NEAR 35.0N 72.5W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.120 HOUR FORECAST HURRICANE MARIA NEAR 36.0N 69.0W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.

...ATLC HURRICANE WARNING...
.HURRICANE LEE NEAR 31.8N 50.1W 983 MB AT 0900 UTC SEP 24 MOVING 
S OR 180 DEG AT 1 KT. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT.
TROPICAL STORM FORCE WINDS WITHIN 30 NM OF CENTER.  SEAS 12 FT 
OR GREATER WITHIN 120 NM E SEMICIRCLE AND 90 NM W SEMICIRCLE 
WITH SEAS TO 24 FT. N OF 30N BETWEEN 49W AND 51W WINDS 20 TO 33 
KT. SEAS 8 TO 12 FT
.24 HOUR FORECAST HURRICANE LEE NEAR 31.1N 48.9W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS 
WITHIN 50 NM OF CENTER. SEAS 12 FT OR WITHIN 90 NM OF CENTER 
WITH SEAS TO 27 FT. ELSEWHERE WITHIN 120 NM N SEMICIRCLE AND 60 
NM S SEMICIRCLE OF CENTER S OF 31N WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT.
.48 HOUR FORECAST HURRICANE LEE NEAR 30.2N 49.4W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER WITH SEAS 
TO 29 FT. ELSEWHERE WITHIN 120 NM N SEMICIRCLE AND 60 NM S 
SEMICIRCLE OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST HURRICANE LEE NEAR 30.5N 51.3W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE LEE NEAR 32.0N 52.5W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.
.120 HOUR FORECAST HURRICANE LEE NEAR 34.5N 51.4W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 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 12 HOUR FORECAST N OF 29N E OF 40W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN NW TO N SWELL.
.24 HOUR FORECAST N OF 27W E OF 45W WINDS 20 KT OR LESS. SEAS 8 
FT IN NW TO N SWELL.
.42 HOUR FORECAST FROM 26N TO 28N BETWEEN 44W AND 53W WINDS 20 
KT OR LESS. SEAS 8 FT IN NW TO N SWELL.

.CARIBBEAN 42 HOUR FORECAST FROM 12N TO 14N BETWEEN 68W AND 
71W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 12N TO 15N BETWEEN 67W AND 72W E TO 
SE WINDS 20 TO 25 KT. SEAS 8 FT.

$$

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.