000
FZNT02 KNHC 201009
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 UTC TUE FEB 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE FEB 20.
24 HOUR FORECAST VALID 0600 UTC WED FEB 21.
48 HOUR FORECAST VALID 0600 UTC THU FEB 22.

.WARNINGS.

...CARIBBEAN GALE WARNING...  
.FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS 30 TO 40 KT. 
SEAS 10 TO 15 FT. ELSEWHERE FROM 10N TO 18N BETWEEN 69W AND 82W 
NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. N OF 12N E OF 
69W...INCLUDING THE ATLC PASSAGES...NE TO E WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT. REMAINDER OF AREA S OF 17N BETWEEN 76W AND 83W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL. N OF 19N E 
OF 80W...INCLUDING WINDWARD PASSAGE NE TO E WINDS 20 TO 25 KT. 
SEAS TO 9 FT. 
.12 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 73.5W AND 77W NE 
WINDS 25 TO 30 KT. SEAS 10 TO 14 FT. ELSEWHERE FROM 10N TO 18N 
BETWEEN 70W AND 83W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 
E OF 70W...INCLUDING THE ATLC PASSAGES...NE TO E WINDS 20 TO 25 
KT. SEAS 8 TO 11 FT. WINDWARD PASSAGE E OF 78W NE WINDS 20 TO 25 
KT. SEAS TO 9 FT. REMAINDER CARIBBEAN E OF 84W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN NE SWELL.
.18 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS 
30 TO 40 KT. SEAS 11 TO 16 FT. ELSEWHERE FROM 10N TO 18N BETWEEN 
70W AND 83W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. E OF 
70W...INCLUDING THE ATLC PASSAGES...NE TO E WINDS 20 TO 25 KT. 
SEAS 8 TO 11 FT. REMAINDER CARIBBEAN S OF 17N BETWEEN 76W AND 
83W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL. 
WINDWARD PASSAGE E OF 78W NE WINDS 20 TO 30 KT. SEAS TO 10 FT.
.36 HOUR FORECAST FROM 10N TO 18N BETWEEN 70W AND 82W NE TO E 
WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. N OF 11N E OF 70W... 
INCLUDING THE ATLC PASSAGES...NE TO E WINDS 20 TO 25 KT. SEAS TO 
10 FT. N OF 18.5N E OF 83W...INCLUDING WINDWARD PASSAGE...NE TO 
E WINDS 20 TO 25 KT. SEAS TO 9 FT. REMAINDER CARIBBEAN E OF 84W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.48 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 73.5W AND 76W NE 
WINDS 30 TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE FROM 10N TO 18N 
BETWEEN 70W AND 80W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 
N OF 11N E OF 70W... INCLUDING THE ATLC PASSAGES...NE TO E WINDS 
20 TO 25 KT. SEAS 8 TO 10 FT. N OF 14N E OF 70W NE TO E WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT. N OF 18.5N E OF 80W...INCLUDING 
WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. 
REMAINING OPEN CARIBBEAN WATERS E OF 84W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN NE TO E SWELL.

.SYNOPSIS AND FORECAST.

.ATLC S OF 14N E OF 46W WINDS 20 KT OR LESS. SEAS TO 9 FT IN N 
SWELL. S OF LINE FROM 24N70W TO 20N55W TO 10N46W NE TO E WINDS 
20 TO 25 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST FROM 12N TO 20N BETWEEN 50W AND 70W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE S OF 20N W OF 41W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED N AND NE SWELL. 
.48 HOUR FORECAST CONDITIONS TO MERGE WITH PARAGRAPH BELOW. 

.ATLC S OF LINE FROM 24N70W TO 26N80W...INCLUDING ATLC APPROACH 
TO WINDWARD PASSAGE...E WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST S OF 26N BETWEEN 70W AND 80W...INCLUDING ATLC 
APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS 
TO 9 FT. ELSEWHERE S OF 28N BETWEEN 70W AND 74W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN MIXED NE AND E SWELL.
.48 HOUR FORECAST FROM 20N TO 25N BETWEEN 70W AND 80W... 
INCLUDING ATLC APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20 
TO 25 KT. SEAS TO 11 FT...HIGHEST E OF BAMAHAS. ELSEWHERE ATLC 
WATERS N OF 25N BETWEEN 40W AND 77W WINDS 20 KT OR LESS. SEAS 8 
TO 16 FT IN MIXED N AND NE SWELL...HIGHEST NE. 

.ATLC COLD FRONT FROM 31N38W TO 25N52W TO 29N70W. N OF FRONT E 
OF 60W N TO NE WINDS 20 TO 25 KT EXCEPT NW TO N WINDS E OF 44W. 
SEAS 9 TO 19 FT IN N SWELL...HIGHEST NE PART. ELSEWHERE N OF 
LINE FROM 31N63W TO 26N62W TO 24N53W TO 29N35W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN N SWELL. 
.24 HOUR FORECAST COLD FRONT FROM 26N35W TO 19N60W. N OF FRONT 
TO 28N E OF 60W N TO NE WINDS 20 TO 25 KT. SEAS 10 TO 20 FT. 
FROM 20N TO 27N BETWEEN 60W AND 70W NE TO E WINDS 20 TO 25 KT. 
SEAS 8 TO 13 FT. ELSEWHERE N OF FRONT WINDS 20 KT OR LESS. SEAS 
8 TO 23 FT IN MIXED NE AND NW SWELL...HIGHEST NE. REMAINDER OF 
AREA S OF FRONT TO 20N E OF 50W WINDS 20 KT OR LESS. SEAS 8 TO 
12 FT IN N SWELL. 
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 20N35W TO 17N60W. 
FROM 17N TO 25N BETWEEN 40W AND 70W NE TO E WINDS 20 TO 25 KT. 
SEAS 11 TO 16 FT IN N TO NE SWELL. S OF 17N E OF 63W WINDS 20 KT 
OR LESS. SEAS TO 11 FT IN MIXED N AND NE SWELL. ELSEWHERE E OF 
40W WINDS 20 KT OR LESS. SEAS 9 TO 19 FT...HIGHEST NE. 

.CARIBBEAN S OF 18N W OF 85W...INCLUDING GULF OF HONDURAS...E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST GULF OF HONDURAS S OF 18.5N W OF 84W E TO SE 
WINDS 20 TO 30 KT. SEAS TO 9 FT. ELSEWHERE N OF 17.5N W OF 84W 
WINDS 20 KT OR LESS. SEAS TO 8 FT IN E SWELL. FROM 19N TO 26N 
BETWEEN 89W AND 94W E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST GULF OF HONDURAS S OF 17N W OF 85W E WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT. 

.GULF OF MEXICO FROM 23N TO 26N E OF 84W...INCLUDING STRAITS OF 
FLORIDA...E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST FROM 23N TO 26N E OF 85W...INCLUDING STRAITS 
OF FLORIDA...E TO SE WINDS 20 TO 25 KT. SEAS TO 10 FT. FROM 20N 
TO 26N BETWEEN 89W AND 94W SE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 23N TO 25N E OF 86W...INCLUDING STRAITS 
OF FLORIDA...E WINDS 20 TO 25 KT. SEAS TO 8 FT. FROM 21N TO 25N 
BETWEEN 89W AND 93W 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 STRIPLING. NATIONAL HURRICANE CENTER.