High Seas Forecast
Issued by NWS

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000
FZNT02 KNHC 220959
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI SEP 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI SEP 22.
24 HOUR FORECAST VALID 0600 UTC SAT SEP 23.
48 HOUR FORECAST VALID 0600 UTC SUN SEP 24.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE MARIA NEAR 21.6N 70.6W 959 MB AT 0900 UTC SEP 22
MOVING NW OR 315 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 110 KT
GUSTS 135 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM NE
QUADRANT...120 NM SE QUADRANT...100 NM SW QUADRANT...AND 130 NM
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM NE
QUADRANT...180 NM SE QUADRANT...120 NM SW QUADRANT...AND 360 NM
NW QUADRANT WITH SEAS TO 55 FT. ELSEWHERE WITHIN 330 NM NE AND
150 NM SW SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 11
FT. REMAINDER ATLC WATERS FROM 19N TO 31N BETWEEN 62W AND 75W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. NUMEROUS
STRONG WITHIN 120 NM SE AND 60 NM NW SEMICIRCLES OF CENTER.
SCATTERED MODERATE ISOLATED STRONG IN BANDS ELSEWHERE FROM 16N
TO 23N BETWEEN 65W AND 72W.
.24 HOUR FORECAST HURRICANE MARIA NEAR 24.2N 71.7W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS
WITHIN 150 NM E SEMICIRCLE...110 NM SW QUADRANT AND 130 NM NW
QUADRANT. SEAS 12 FT OR GREATER OVER WATERS N AND NE OF BAHAMAS
WITHIN 450 NM N SEMICIRCLE...240 NM SE QUADRANT AND 150 NM SW
QUADRANT WITH SEAS TO 54 FT. ELSEWHERE OVER FORECAST WATERS
WITHIN 330 NM N AND 240 NM S SEMICIRCLES OF CENTER WINDS 20 TO
33 KT. SEAS 8 TO 12 FT. REMAINDER OF ATLC WATERS N AND NE OF
BAHAMAS N OF 19N BETWEEN 60W AND A LINE FROM 31N81W TO 24N75W TO
19N70W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE MARIA NEAR 27.4N 72.3W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 170 NM E SEMICIRCLE...130 NM SW QUADRANT AND 140 NM NW
QUADRANT. SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN 390
NM NW AND 300 NM SE SEMICIRCLES WITH SEAS TO 52 FT. ELSEWHERE
OVER FORECAST WATERS N AND NE OF BAHAMAS WITHIN 540 NM N AND 300
NM S SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT
OVER OPEN WATERS. REMAINDER OF WATERS N OF 20N BETWEEN 62W AND A
LINE FROM 31N81W TO 24N75W TO 20N69W WINDS 20 KT OR LESS. SEAS
TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE MARIA NEAR 29.5N 72.0W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MARIA NEAR 31.5N 71.0W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
.120 HOUR FORECAST HURRICANE MARIA N OF AREA NEAR 33.5N 70.5W.
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.

.ATLC 48 HOUR FORECAST FROM 10N TO 21N BETWEEN 42W AND 49W WINDS
20 KT OR LESS. SEAS 8 FT IN MIXED NE AND SE SWELL.


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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.



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