000
FZNT02 KNHC 240255
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT MAR 24 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT MAR 24.
24 HOUR FORECAST VALID 0000 UTC SUN MAR 25.
48 HOUR FORECAST VALID 0000 UTC MON MAR 26.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.CARIBBEAN FROM 11N TO 12N BETWEEN 73.5W AND 76W NE WINDS 25 TO 
35 KT. SEAS 9 TO 12 FT. ELSEWHERE FROM 09N TO 13N BETWEEN 73W 
AND 78W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.12 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS BELOW GALE FORCE.
.24 HOUR FORECAST FROM 11N TO 12N BETWEEN 74W AND 76W NE WINDS 
25 TO 35 KT. SEAS 9 TO 12 FT. ELSEWHERE FROM 10N TO 13N BETWEEN 
73W AND 80W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.36 HOUR FORECAST FROM 10N TO 15N BETWEEN 73W AND 80W NE TO E 
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FROM 11N TO 12N BETWEEN 74W AND 76W NE WINDS 25 TO 35 
KT. SEAS 9 TO 12 FT. ELSEWHERE FROM 10N TO 15N BETWEEN 73W AND 
88W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N59W TO 20N72W. N OF 29N WITHIN 90 NM E 
OF FRONT SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE N OF 
25N E OF FRONT TO 50W WINDS 20 KT OR LESS. SEAS 8 FT IN NW 
SWELL. N OF 28N W OF FRONT TO 72W WINDS 20 KT OR LESS. SEAS 8 FT 
IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N54W TO 24N60W TO 19N67W. N 
OF 30N E OF FRONT TO 50W S TO SW WINDS 20 TO 25 KT. SEAS 10 TO 
12 FT. ELSEWHERE N OF 24N E OF FRONT TO 50W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED SWELL. N OF 29N W OF FRONT TO 65W W TO 
NW WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. S OF 21N WITHIN 90 NM W 
OF FRONT NE WINDS 20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE N OF 27N 
W OF FRONT TO 70W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
SWELL. 
.48 HOUR FORECAST DISSIPATING COLD FRONT FROM 31N48W TO 21N60W 
THEN DISSIPATING STATIONARY TO 19N67W. N OF 21N W OF FRONT TO 
70W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL. 

.ATLC E OF 50W AND S OF 20N BETWEEN 50W AND 59W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST E OF 50W AND S OF 20N BETWEEN 50W AND 55W 
WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL.
.48 HOUR FORECAST S OF LINE FROM 20N35W TO 20N40W TO 10N55W 
WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL. 

.ATLC 30 HOUR FORECAST N OF 30N BETWEEN 76W AND 80W SW WINDS 20 
TO 25 KT. SEAS BUILDING TO 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N70W TO 30N75W. WITHIN 120 
NM SE OF FRONT SW TO W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. N OF 
FRONT NW WINDS 20 TO 25 KT. SEAS TO 9 FT.  

.CARIBBEAN WITHIN 30 NM EITHER SIDE OF A LINE FROM 20N74W TO 
16N77W...INCLUDING APPROACH TO WINDWARD PASSAGE... NE WINDS 20 
TO 25 KT. SEAS TO 8 FT. N OF 19N BETWEEN 77W AND 81W NE WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 20N74W 
TO 16N78W...INCLUDING APPROACH TO WINDWARD PASSAGE...NE WINDS 20 
TO 25 KT. SEAS TO 8 FT. N OF 17N BETWEEN 69W AND 72W NE WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.  
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO FROM 20N TO 22N BETWEEN 89W AND 92W NE TO E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO 03 HOUR FORECAST FROM 25N TO 28N W OF 94W SE TO 
S WINDS 20 TO 25 KT. SEAS TO 8 FT.
.18 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.

UNDERSEA VOLCANO KICK EM JENNY...N OF GRENADA NEAR 12.18N
61.38W...IS IN A STATE OF UNREST. THE GOVERNMENT OF GRENADA
ADVISES MARINERS TO OBSERVE A 5 KM OR 3.1 NM EXCLUSION ZONE
AROUND KICK EM JENNY. PLEASE SEE WWW.NADMA.GD FOR ADDITIONAL
INFORMATION.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.