000
FZNT02 KNHC 171434
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON APR 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 1200 UTC MON APR 17.
24 HOUR FORECAST VALID 1200 UTC TUE APR 18.
48 HOUR FORECAST VALID 1200 UTC WED APR 19.

.WARNINGS.

...ATLC GALE WARNING...
.LOW PRES N OF AREA NEAR 33N47W 987 MB. COLD FRONT FROM 31N37W 
TO 20N43W TO 17N60W. N OF 29N BETWEEN 45W AND 53W WINDS 30 TO 40 
KT. SEAS 22 TO 30 FT. ELSEWHERE OVER FORECAST WATERS N OF LINE 
FROM 31N56W TO 25N53W TO 27N42W TO 31N40W WINDS 20 TO 30 KT. 
SEAS 8 TO 21 FT...HIGHEST NEAR 30N54W. N OF 28N E OF 38W S WINDS 
20 TO 25 KT. SEAS TO 9 FT. S OF 22N BETWEEN 62W AND 
75W...INCLUDING ATLC APPROACH TO WINDWARD PASSAGE...NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. REMAINDER AREA BOUNDED BY 
31N65W TO 31N38W TO 28N38W TO 18N62W TO 20N71W TO 23N72W TO 
31N65W WINDS 20 KT OR LESS. SEAS 8 TO 15 FT IN N SWELL...HIGHEST 
N OF 25N E OF 60W.
.12 HOUR FORECAST LOW PRES N OF AREA NEAR 32N44W 995 MB. 
WEAKENING COLD FRONT FROM 31N37W TO 22N41W TO 17N50W. N OF 28N E 
OF 37W S WINDS 20 TO 25 KT. SEAS 10 TO 13 FT. N OF 25N BETWEEN 
39W AND 55W WINDS 20 TO 30 KT. SEAS 15 TO 21 FT. S OF 22N 
BETWEEN 61W AND 75W...INCLUDING ATLC APPROACH TO WINDWARD 
PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT OUTSIDE 
BAHAMAS. ELSEWHERE WITHIN AREA BOUNDED BY 31N63W TO 31N35W TO 
28N35W TO 16N50W TO 16N61W TO 20N71W TO 22N72W TO 31N63W WINDS 
20 KT OR LESS. SEAS 8 TO 16 FT IN N TO NE SWELL...HIGHEST N OF 
25N E OF 60W. 
.24 HOUR FORECAST LOW PRES N OF AREA NEAR 31.5N44W 997 MB. 
DISSIPATING COLD FRONT FROM 26N35W TO 16N48W. N OF 25N E OF 52W 
WINDS 20 TO 30 KT. SEAS 10 TO 15 FT IN N SWELL. ELSEWHERE WITHIN 
AREA BOUNDED BY 31N60W TO 31N35W TO 21N35W TO 14N48W TO 14N61W 
TO 18N64W TO 18N68W TO 23N73W TO 31N60W WINDS 20 KT OR LESS. 
SEAS 8 TO 15 FT IN NE SWELL...HIGHEST NEAR 24N46W. 
.48 HOUR FORECAST LOW PRES N OF AREA NEAR 31.5N41W 999 MB. FRONT 
TO MOVE E OF AREA. N OF 26N E OF 48W WINDS 20 TO 25 KT. SEAS 8 
TO 12 FT. ELSEWHERE E OF LINE FROM 31N55W TO 20N70W TO 19N70W TO 
18N62W TO 07N60W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N 
SWELL. 

.SYNOPSIS AND FORECAST.

.CARIBBEAN N OF 18N BETWEEN 73W AND 76W...INCLUDING WINDWARD 
PASSAGE...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN 12 HOUR FORECAST N OF LINE FROM 16N62W TO 17N65W NE 
WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST N OF 16N BETWEEN 62W AND 65W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN N SWELL. 
.48 HOUR FORECAST LITTLE CHANGE.  

.CARIBBEAN FROM 11N TO 14N BETWEEN 72W AND 77W NE TO E WINDS 20 
TO 25 KT. SEAS TO 10 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO 12 HOUR FORECAST S OF 22N BETWEEN 88W AND 92W NE 
TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 
.36 HOUR FORECAST S OF 22N BETWEEN 88W AND 92W NE TO E WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.48 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.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.