High Seas Forecast
Issued by NWS

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000
FZNT02 KNHC 172031
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT FEB 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT FEB 17.
24 HOUR FORECAST VALID 1800 UTC SUN FEB 18.
48 HOUR FORECAST VALID 1800 UTC MON FEB 19.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS 25 TO 30 KT.
SEAS 11 TO 13 FT. ELSEWHERE FROM 10N TO 17.5N BETWEEN 70W AND
81W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. REMAINDER
CARIBBEAN S OF 16N BETWEEN 76W AND 83W WINDS 20 KT OR LESS. SEAS
TO 10 FT IN E SWELL. WINDWARD PASSAGE NE WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.06 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS
30 TO 35 KT. SEAS 11 TO 14 FT. ELSEWHERE FROM 10N TO 17.5N
BETWEEN 70W AND 80W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
S OF 17N E OF 70W...INCLUDING THE ATLC PASSAGES...E WINDS 20 TO
25 KT. SEAS TO 8...EXCEPT LESS THAN 8 FT IN ATLC PASSAGES.
REMAINDER CARIBBEAN S OF 16N BETWEEN 76W AND 83W WINDS 20 KT OR
LESS. SEAS TO 10 FT IN E SWELL. WINDWARD PASSAGE NE WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS
25 TO 30 KT. SEAS 11 TO 13 FT. ELSEWHERE FROM 10N TO 17.5N
BETWEEN 70W AND 80W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
REMAINDER CARIBBEAN S OF 16N BETWEEN 76W AND 83W WINDS 20 KT OR
LESS. SEAS TO 10 FT IN E SWELL. WINDWARD PASSAGE NE WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS
30 TO 35 KT. SEAS 12 TO 15 FT. ELSEWHERE FROM 09.5N TO 17.5N
BETWEEN 70W AND 80W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
E OF 70W...INCLUDING THE ATLC PASSAGES...E WINDS 20 TO 25 KT.
SEAS 8 TO 9 FT. REMAINDER CARIBBEAN S OF 16.5N BETWEEN 76W AND
83W WINDS 20 KT OR LESS. SEAS TO 10 FT IN E SWELL. WINDWARD
PASSAGE NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORCAST FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS
25 TO 30 KT. SEAS 11 TO 13 FT. ELSEWHERE FROM 10N TO 18N BETWEEN
70W AND 81.5W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. E OF
70W...INCLUDING THE ATLC PASSAGES...E WINDS 20 TO 25 KT. SEAS 8
TO 10 FT...AND TO 8 FT IN THE ATLC PASSAGES. REMAINDER CARIBBEAN
S OF 17N BETWEEN 76W AND 83W WINDS 20 KT OR LESS. SEAS 8 TO 11
FT IN E SWELL.

.SYNOPSIS AND FORECAST.

.ATLC FROM 18N TO 25N E OF 38W WINDS 20 KT OR LESS. SEAS 8 TO
9FT PRIMARILY IN N SWELL. FROM 07N TO 12N BETWEEN 53W AND 60W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.24 HOUR FORECAST FROM 09N TO 19N W OF 50W NE TO E WINDS 20 TO
25 KT. SEAS 8 FT.
.42 HOUR FORECAST S OF 20N E OF 50W...AND S OF 23N BETWEEN 50W
AND 65W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST S OF 16N E OF 50W...AND S OF 22N BETWEEN 50W
AND 65W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

.ATLC 06 HOUR FORECAST S OF 21N BETWEEN 70W AND 74W...INCLUDING
ATLC APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST S OF 22N BETWEEN 70W AND 76W...INCLUDING ATLC
APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS
BUILDING TO 8 FT OUTSIDE THE BAHAMAS.
.36 HOUR FORECAST S OF 23N BETWEEN 70W AND 76W...INCLUDING ATLC
APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS
TO 8 FT OUTSIDE THE BAHAMAS.
.42 HOUR FORECAST S OF 24N BETWEEN 70W AND 80W...INCLUDING ATLC
APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS
TO 8 FT OUSIDE THE BAHAMAS.
.48 HOUR FORECAST LITTLE CHANGE.

.ATLC 48W HOUR FORECAST COLD FRONT FROM 31N44W TO 28N50W TO
29N62W. N OF FRONT N WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN NW
SWELL.

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.



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