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NOAA NOAA United States Department of Commerce

High Seas Forecast (Tropical Atlantic)



000
FZNT02 KNHC 181610
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
ISSUED BY NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC WED JAN 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED JAN 18.
24 HOUR FORECAST VALID 1200 UTC THU JAN 19.
48 HOUR FORECAST VALID 1200 UTC FRI JAN 20.

.WARNINGS.

...ATLC GALE WARNING...
.12 HOUR FORECAST COLD FRONT N OF AREA. N OF A LINE FROM 31N59W
TO 30N65W TO 29N73W TO 31N78W SW TO W WINDS 20 TO 25 KT. SEAS
BUILDING TO 9 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N63W TO 28N70W TO 30N77W. N
OF 29N E OF FRONT TO 60W SW TO W WINDS 30 TO 40 KT. SEAS 10 TO
14 FT. ELSEWHERE SE OF FRONT AND N OF A LINE FROM 31N53W TO
27N65W TO 28N72W SW TO W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. NW
OF FRONT TO 74W W TO NW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT...
EXCEPT 12 TO 15 FT IN NW SWELL N OF FRONT TO 68W.
.48 HOUR FORECAST COLD FRONT FROM 31N54W TO 26N60W TO 25N70W TO 
26N75W. SE OF FRONT TO A LINE FROM 31N45W TO 27N50W TO 24N64W S 
TO SW WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. NW OF FRONT W TO NW 
WINDS 20 TO 30 KT. SEAS 12 TO 15 FT IN NW SWELL NW OF FRONT TO 
62W...AND 8 TO 12 FT ELSEWHERE NW OF FRONT.  

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N35W TO 26N45W THEN STATIONARY TO 
23N61W. NW OF FRONT TO 52W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN NW SWELL.
.24 HOUR FORECAST WEAKENING STATIONARY FRONT FROM 30N35W TO 
28N40W TO 26N50W. N OF 25N E OF 45W WINDS 20 KT OR LESS. SEAS 8 
TO 9 FT IN NW SWELL. 
.36 HOUR FORECAST FRONT DISSIPATED. FROM 22N TO 27N E 38W WINDS 
20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC S OF 22N W OF 70W...INCLUDING THE APPROACH TO THE WINDWARD 
PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.  
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  

.CARIBBEAN FROM 10.5N TO 12.5N BETWEEN 74W AND 77W NE WINDS 25 
TO 30 KT. SEAS 9 TO 11 FT. ELSEWHERE S OF 17.5N BETWEEN 70W AND 
81.5W...AND N OF 14N BETWEEN 67W AND 70W...INCLUDING THE MONA 
PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT...EXCEPT 
LESS THAN 8 FT IN THE MONA PASSAGE. 
.24 HOUR FORECAST FROM 10.5N TO 13.5N BETWEEN 74W AND 79W NE TO 
E WINDS 20 TO 25 KT. SEAS 9 TO 10 FT. ELSEWHERE FROM 10N TO 15N 
BETWEEN 74W AND 81.5W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE 
TO E SWELL.
.48 HOUR FORECAST FROM 10.5N TO 12.5N BETWEEN 74W AND 77W NE TO 
E WINDS 20 TO 25 KT. SEAS TO 8 FT.   

.CARIBBEAN N OF 18N E OF 76W...INCLUDING THE WINDWARD
PASSAGE...AND N OF 19N BETWEEN 76W AND 81W NE WINDS 20 TO 25 KT.
SEAS TO 8 FT. 
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN S OF 18N W 85W...INCLUDING THE GULF OF HONDURAS...E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST S OF 18N W 85W...INCLUDING THE GULF OF 
HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER SCOVIL. OCEAN PREDICTION CENTER.