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NOAA NOAA United States Department of Commerce

High Seas Forecast (Tropical Atlantic)



000
FZNT02 KNHC 181508
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC TUE DEC 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 18.
24 HOUR FORECAST VALID 1200 UTC WED DEC 19.
48 HOUR FORECAST VALID 1200 UTC THU DEC 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N56W TO 27N62W THEN STATIONARY TO 
21N77W. N OF 28N E OF FRONT TO A LINE FROM 31N50W TO 27N59W SW 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. N OF 29N W OF FRONT TO 70W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N51W TO 25N61W THEN 
STATIONARY TO 23N66W. N OF 28N WITHIN 300 NM E OF FRONT SW WINDS 
20 TO 25 KT. SEAS 8 TO 12 FT. ELSEWHERE N OF LINE FROM 31N40W TO 
26N57W TO 30N72W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN NW 
SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N44W TO 25N52W. N OF LINE 
FROM 30N35W TO 23N52W TO 23N67W WINDS 20 KT OR LESS. SEAS 8 TO 
13 FT IN NW SWELL. 

.ATLC S OF 16N E OF 53W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN 
MIXED N AND NE SWELL.
.24 HOUR FORECAST E OF LINE FROM 16N35W TO 10N55W TO 06N52W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED N AND NE SWELL. 
.48 HOUR FORECAST S OF LINE FROM 08N36W TO 11N47W TO 08N55W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE SWELL. 

.CARIBBEAN FROM 11N TO 14N BETWEEN 72W AND 79W NE TO E WINDS 20 
TO 25 KT. SEAS 8 TO 9 FT. 
.24 HOUR FORECAST FROM 10.5N TO 15N BETWEEN 70W AND 79W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 11 FT. 
.48 HOUR FORECAST FROM 10.5N TO 16N BETWEEN 71W AND 79W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 10 FT.

.CARIBBEAN 48 HOUR FORECAST N OF 16N W OF 83W SE TO S WINDS 20 
TO 25 KT. SEAS TO 8 FT.

.GULF OF MEXICO 42 HOUR FORECAST COLD FRONT FROM 29N90W TO 
18N94W. E OF 87W SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 30N88W TO 21N89W. E OF FRONT S 
TO SW WINDS 20 TO 30 KT. SEAS TO 8 FT. N OF 24N W OF FRONT NW 
WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT. 

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

$$
.FORECASTER LATTO. NATIONAL HURRICANE CENTER.