High Seas Forecast
Issued by NWS

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000
FZNT02 KNHC 172026
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED JAN 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED JAN 17.
24 HOUR FORECAST VALID 1800 UTC THU JAN 18.
48 HOUR FORECAST VALID 1800 UTC FRI JAN 19.

.WARNINGS.

...ATLC GALE WARNING...
.COLD FRONT FROM 31N80W TO 29N81W. TROUGH FROM 31N76W TO 26N78W.
N OF 24N BETWEEN 61W AND 76W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN NE TO E SWELL.
.18 HOUR FORECAST TROUGH DISSIPATED. COLD FRONT FROM 31N70W TO
21N76W. N OF 30N WITHIN 180 NM W OF FRONT W TO NW WINDS 30 TO 35
KT. SEAS 10 TO 12 FT. ELSEWHERE W OF FRONT NW WINDS 20 TO 30 KT.
SEAS 8 TO 12 FT N OF BAHAMAS. N OF 28N WITHIN 150 NM E OF FRONT
SW WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N67W TO 21N75W. N OF 30N
WITHIN 180 NM W OF FRONT W TO NW WINDS 30 TO 35 KT. SEAS 10 TO
13 FT. ELSEWHERE W OF FRONT N TO NW WINDS 20 TO 30 KT. SEAS 8 TO
13 FT N OF BAHAMAS.
.30 HOUR FORECAST COLD FRONT FROM 31N63W TO 22N65W THEN
STATIONARY TO 20N74W. N OF OF 27N W OF FRONT TO 71W NW WINDS 20
TO 30 KT. SEAS 8 TO 13 FT. S OF 24N W OF FRONT TO 77W NE WINDS
20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE W OF FRONT TO 79W WINDS 20
KT OR LESS. SEAS 8 TO 13 FT OUTSIDE BAHAMAS. N OF 29N WITHIN 180
NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N53W TO 23N64W THEN
STATIONARY TO 20N74W. N OF LINE FROM 31N55W TO 22N72W TO 27N76W
WINDS 20 KT OR LESS. SEAS 8 TO 13 FT OUTSIDE BAHAMAS...HIGHEST
NEAR 31N65W.

...GULF OF MEXICO GALE WARNING...
.COLD FRONT FROM 28N82W TO 22N91W TO 18N94W. S OF 21N W OF 95W
NW TO N WINDS 30 TO 35 KT. SEAS 10 TO 17 FT. ELSEWHERE W OF
FRONT N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 15 FT...HIGHEST S OF
24N W OF 95W.
.12 HOUR FORECAST FRONT SE OF AREA. TROUGH FROM 26N96W TO 21N96W
TO 18N94W. W OF TROUGH NW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. S
OF A LINE FROM 30N86W TO 25N97W AND E OF TROUGH...INCLUDING THE
STRAITS OF FLORIDA...N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 12
FT...EXCEPT LESS THAN 8 FT STRAITS OF FLORIDA.
.24 HOUR FORECAST TROUGH FROM 26N96W TO 21N96W TO 18N94W. S OF
22N W OF TROUGH NW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE
S OF LINE FROM 25N83W TO 23N98W WINDS 20 KT OR LESS. SEAS 8 TO
10 FT IN NE SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVED. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC TROUGH FROM 31N46W TO LOW PRES 1016 MB NEAR 27N46W TO
23N46W. N OF 29N E OF TROUGH TO 40W WINDS 20 KT OR LESS. SEAS 8
TO 9 FT IN NE TO E SWELL.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC FROM 10N TO 23N E OF 42W WINDS 20 KT OR LESS. SEAS 8 TO 9
FT IN NE SWELL.
.24 HOUR FORECAST N OF 10N E OF 40W WINDS 20 KT OR LESS. SEAS 8
TO 9 FT IN N AND NE SWELL.
.48 HOUR FORECAST FROM 10N TO 23N E OF 42W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN N AND NE SWELL.

.CARIBBEAN TROUGH FROM 21N86W TO 16N82W. COLD FRONT APPROACH
FROM NW. S OF 19N W OF 85W NW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST TROUGH DISSIPATED. COLD FRONT FROM 20N76W TO
14N83W. W OF FRONT...INCLUDING YUCATAN CHANNEL...NE WINDS 20 TO
30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST STATIONARY FRONT FROM 20N75W TO 18N79W TO
13N82W. FROM 16N TO 18N BETWEEN 81W AND 84W WINDS 20 KT OR LESS.
SEAS 8 FT IN NE SWELL.

.CARIBBEAN FROM 10.5N TO 13N BETWEEN 72W AND 78W NE TO E WINDS
20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER LATTO. NATIONAL HURRICANE CENTER.



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