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High Seas Forecast (Tropical Atlantic) (Text)



000
FZNT02 KNHC 011616
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT OCT 1 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 1.
24 HOUR FORECAST VALID 1200 UTC SUN OCT  2.
48 HOUR FORECAST VALID 1200 UTC MON OCT  3.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE MATTHEW NEAR 13.4N 73.4W 947 MB AT 1500 UTC OCT 01
MOVING W OR 270 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 125 KT
GUSTS 150 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM NE
QUADRANT...60 NM SE QUADRANT...50 NM SW QUADRANT...AND 170 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM NE QUADRANT...90 NM
SE QUADRANT...270 NM SW QUADRANT...AND 330 NM NW QUADRANT WITH
SEAS TO 34 FT. ELSEWHERE WITHIN 210 NM N AND 90 NM S SEMICIRCLES
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 10N TO
18N BETWEEN 76W AND 80W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN E
SWELL.
.24 HOUR FORECAST HURRICANE MATTHEW NEAR 14.5N 74.6W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS
WITHIN 170 NM NE QUADRANT...100 NM SE QUADRANT...60 NM SW
QUADRANT...AND 160 NM NW QUADRANT. WINDS 20 TO 33 KT AND SEAS 12
FT OR GREATER WITHIN 210 NM N AND 90 NM S SEMICIRCLES WITH SEAS
TO 32 FT. ELSEWHERE FROM 10N TO 19N BETWEEN 70W AND 80W WINDS 20
KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. 
.48 HOUR FORECAST HURRICANE MATTHEW NEAR 17.1N 75.5W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS
WITHIN 170 NM NE QUADRANT...130 NM SE QUADRANT...80 NM SW
QUADRANT...AND 140 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
180 NM AND 120 NM S WITH SEAS TO 31 FT. ELSEWHERE N OF 12N
BETWEEN 70W AND 80W INCLUDING WINDWARD PASSAGE WINDS 20 TO 33
KT. SEAS 8 TO 12 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE MATTHEW INLAND NEAR 20.5N
75.5W. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MATTHEW OVER WATER NEAR 24.0N 76.0W.
MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 KT. 
.120 HOUR FORECAST HURRICANE MATTHEW NEAR 26.5N 76.5W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 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 TROPICAL WAVE FROM LOW PRES 16N53W 1011 MB TO 23N52W.
WITHIN 120 NM NE QUADRANT WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST LOW DISSIPATED. TROPICAL WAVE FROM 12N58W TO
22N56W. FROM 19N TO 21N BETWEEN 53W AND 55W WINDS 20 KT OR LESS.
SEAS 8 FT IN SE SWELL.
.48 HOUR FORECAST TROPICAL WAVE FROM 12N61W TO 22N61W. WINDS 20 KT
OR LESS. SEAS LESS THAN 8 FT.

.ATLC 24 HOUR FORECAST S OF 22N W OF 70W E WINDS 20 TO 25 KT.
SEAS TO 8 FT NEAR THE APPROACHES TO THE WINDWARD PASSAGE. 
.48 HOUR FORECAST S OF 22N W OF 70W E TO SE WINDS 20 TO 25 KT.
SEAS TO 8 FT.

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

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

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