000
FZNT02 KNHC 041521
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT SEP 4 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 1200 UTC SAT SEP 4.
24 HOUR FORECAST VALID 1200 UTC SUN SEP  5.
48 HOUR FORECAST VALID 1200 UTC MON SEP  6.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE LARRY NEAR 16.8N 45.8W 958 MB AT 1500 UTC SEP 04
MOVING WNW OR 300 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 110 KT
GUSTS 135 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM NE
QUADRANT...120 NM SE QUADRANT...70 NM SW QUADRANT...AND 130 NM
NW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 300 NM NE
QUADRANT...240 NM SE QUADRANT...210 NM SW QUADRANT...AND 270 NM
NW QUADRANT WITH SEAS TO 42 FT. ELSEWHERE WITHIN 14N41W TO 
13N45W TO 19N49W TO 22N47W TO 19N41W TO 14N41W WINDS 20 TO 33 KT.
SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 14N38W TO 09N48W TO 
22N51W TO 24N43W TO 20N38W TO 14N38W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE LARRY NEAR 19.1N 49.6W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS 
WITHIN 150 NM NE QUADRANT...140 NM SE QUADRANT...100 NM SW 
QUADRANT...AND 130 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
300 NM OF CENTER WITH SEAS TO 45 FT. ELSEWHERE WITHIN WITHIN 
17N45W TO 16N50W TO 22N54W TO 24N49W TO 20N45W TO 17N45W WINDS 20
TO 33 KT. SEAS 12 TO 18 FT. REMAINDER OF AREA WITHIN 15N44W TO 
09N56W TO 20N59W TO 26N51W TO 22N43W TO 15N44W WINDS 20 KT OR
LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE LARRY NEAR 21.5N 53.2W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS 
WITHIN 150 NM E SEMICIRCLE...110 NM SW QUADRANT AND 130 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM OF CENTER WITH SEAS
TO 47 FT. ELSEWHERE WITHIN 19N49W TO 18N53W TO 20N56W TO 23N58W 
TO 26N51W TO 19N49W WINDS 20 TO 33 KT. SEAS 12 TO 18 FT.
REMAINDER OF AREA WITHIN 15N44W TO 09N56W TO 20N59W TO 26N51W TO
22N43W TO 15N44W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT. 
.72 HOUR FORECAST HURRICANE LARRY NEAR 23.8N 56.4W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE LARRY NEAR 27.0N 59.4W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
.120 HOUR FORECAST HURRICANE LARRY NEAR 31.6N 62.0W. 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.

.CARIBBEAN WITHIN 11N75W TO 10N76W TO 10N77W TO 11N77W TO 12N76W
TO 11N75W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

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

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.