Skip Navigation Links
NOAA NOAA United States Department of Commerce

High Seas Forecast (Tropical Atlantic)



000
FZNT02 KNHC 201500
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC TUE FEB 20.
24 HOUR FORECAST VALID 1200 UTC WED FEB 21.
48 HOUR FORECAST VALID 1200 UTC THU FEB 22.

.WARNINGS.

...CARIBBEAN GALE WARNING...  
.FROM 11N TO 13N BETWEEN 73W AND 77W NE TO E WINDS 30 TO 35 KT. 
SEAS 10 TO 15 FT. ELSEWHERE FROM 10N TO 18N BETWEEN 68W AND 82W 
NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. N OF 12N E OF 
68W...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. 
.24 HOUR FORECAST FROM 10.5N TO 13.5N BETWEEN 73W AND 77W NE TO 
E WINDS 30 TO 35 KT. SEAS 11 TO 16 FT. ELSEWHERE FROM 10N TO 18N 
E OF 83W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. S OF 10N 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL. N OF 18N 
E OF 80W...INCLUDING WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. 
SEAS TO 10 FT.
.48 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS 
30 TO 35 KT. SEAS 10 TO 15 FT. ELSEWHERE FROM 10N TO 18N BETWEEN 
68 W AND 82W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. N OF 
12N E OF 68W... INCLUDING THE ATLC PASSAGES...NE TO E WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT. N OF 18.5N E OF 77W...INCLUDING 
WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. 
REMAINDER WATERS WATERS S OF 15N BETWEEN 75W AND 83W WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N36W TO 25N44W TO 23N60W. N OF FRONT E 
OF 60W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 21 FT IN N 
SWELL...HIGHEST NE PART. ATLC WATERS FROM 13N TO 21N BETWEEN 55W 
AND 77W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. S OF 13N 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN NE SWELL. 
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 24N35W TO 19N50W. N 
OF FRONT TO 27N E OF 50W NE WINDS 20 TO 25 KT. SEAS 10 TO 18 FT. 
ATLC WATERS FROM 15N TO 26N BETWEEN 50W AND 74W NE TO E WINDS 20 
TO 25 KT. SEAS 8 TO 15 FT. ELSEWHERE ATLC WATERS OUTSIDE BAHAMAS 
S OF LINE 31N35W TO 31N67W TO 27N77W WINDS 20 KT OR LESS. SEAS 8 
TO 23 FT IN MIXED NE AND NW SWELL...HIGHEST NE.
.48 HOUR FORECAST COLD FRONT DISSIPATED. ATLC WATERS FROM 14N TO 
24N BETWEEN 47W AND 77W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 15 
FT IN N TO NE SWELL. ELSEWHERE ATLC WATERS OUTSIDE BAHAMAS S OF 
LINE 31N35W TO 31N6OW TO 28N77W...WINDS 20 KT OR LESS. SEAS 8 TO 
16 FT IN MIXED N AND NE SWELL...HIGHEST N OF 17N E OF 45W. 

.CARIBBEAN S OF 19N W OF 86W...INCLUDING GULF OF HONDURAS...E 
WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST S OF 18N W OF 85W...INCLUDING GULF OF 
HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.GULF OF MEXICO FROM 23N TO 25N 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 84W...INCLUDING STRAITS 
OF FLORIDA...E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT. FROM 21N 
TO 27N BETWEEN 90W AND 95W SE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 21N TO 25N BETWEEN 91W AND 94W 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 AL. NATIONAL HURRICANE CENTER.