High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 170932
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC WED JAN 17 2018

CCODE/1:31:04:01:00/AOW/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.
ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
VOSOPS@NOAA.GOV(LOWERCASE).

SECURITE

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

SYNOPSIS VALID 0600 UTC JAN 17
24 HOUR FORECAST VALID 0600 UTC JAN 18
48 HOUR FORECAST VALID 0600 UTC JAN 19

.WARNINGS.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 34N71W 1009 MB. OVER FORECAST WATERS
WITHIN 540 NM SW AND 360 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS
TO 12 FT.
.36 HOUR FORECAST LOW 37N66W 998 MB. WITHIN 300 NM SW QUADRANT
WINDS 40 TO 50 KT. SEAS 12 TO 16 FT.
.48 HOUR FORECAST LOW 39N60W 989 MB. WITHIN 420 NM NE...360 NM
SE...AND 240 NM SW QUADRANT WINDS 40 TO 55 KT. SEAS 15 TO 25 FT.
ELSEWHERE OVER FORECAST WATERS WITHIN 660 NM E...480 NM S AND
W...AND 240 NM N QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.LOW 38N73W 1022 MB MOVING NE 20 KT. WITHIN 240 NM E QUADRANT
WINDS 20 TO 30 KT. SEAS LESS TO 10 FT.
.24 HOUR FORECAST LOW INLAND 45N63W 1006 MB. WITHIN 240 NM E
QUADRANT WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 54N51W 984 MB. WITHIN 180 NM N OF FRONT TO
EXTEND FROM LOW TO 52N41W AND WITHIN 360 NM E OF FRONT TO EXTEND
FROM 52N41W TO 44N51W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.LOW 64N36W 978 MB MOVING SE 15 KT. BETWEEN 180 NM AND 420 NM S
AND SW QUADRANTS WINDS 25 TO 40 KT. SEAS 14 TO 28 FT.
.24 HOUR FORECAST LOW E OF AREA 63N25W 980 MB. OVER FORECAST
WATERS FROM 52N TO 60N E OF 48W WINDS 25 TO 35 KT. SEAS 10 TO 20
FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA.

...GALE WARNING...
.LOW E OF AREA 53N31W 1006 MB MOVING NE 55 KT. FROM 44N TO 51N E
OF 41W WINDS 25 TO 40 KT. SEAS 12 TO 22 FT.
.24 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
W OF A LINE FROM 62N50W TO 53N52W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 64N W OF
GREENLAND.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 61N W OF
GREENLAND.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST WITHIN 120 NM EITHER SIDE OF A LINE FROM
44N49W TO 33N61W WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST CONDITIONS AS DESCRIBED IN STORM WARNING.

.DENSE FOG. 48 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM 90
NM EITHER SIDE OF A LINE FROM 48N45W TO 43N50W AND FROM 48N TO
52N E OF 39W.

.HIGH 43N63W 1032 MB MOVING NE 25 KT.
.24 HOUR FORECAST HIGH 47N44W 1028 MB.
.48 HOUR FORECAST HIGH E OF AREA.

.FORECASTER KREKELER. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 0600 UTC WED JAN 17.
24 HOUR FORECAST VALID 0600 UTC THU JAN 18.
48 HOUR FORECAST VALID 0600 UTC FRI JAN 19.

.WARNINGS.

...ATLC GALE WARNING...
.STATIONARY FRONT FROM 31N65W TO 21N76W. TROUGH FROM 31N63W TO
24N66W. N OF 23N BETWEEN 60W AND 76W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN NE TO E SWELL.
.24 HOUR FORECAST STATIONARY FRONT DISSIPATED. COLD FRONT FROM
31N72W TO 22N77W. W OF FRONT W TO NW WINDS 20 TO 30 KT. SEAS 8
TO 10 FT N OF BAHAMAS.
.33 HOUR FORECAST COLD FRONT FROM 31N68W TO 21N76W. N OF 29N W
OF FRONT TO 73W W TO NW WINDS 30 TO 35 KT. SEAS 11 TO 14 FT.
ELSEWHERE W OF FRONT NW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT
OUTSIDE BAHAMAS.
.48 HOUR FORECAST COLD FRONT FROM 31N59W TO 24N68W THEN
STATIONARY TO 20N74W. N OF 29N BETWEEN 57W AND 62W WINDS 20 TO
30 KT. SEAS 8 TO 11 FT. ELSEWHERE W OF FRONT TO 72W WINDS 20 KT
OR LESS. SEAS 8 TO 13 FT IN NW SWELL OUTSIDE BAHAMAS.

...GULF OF MEXICO GALE WARNING...
.COLD FRONT FROM 30N85W TO 20N96W. S OF 24N W OF FRONT NW TO N
WINDS 30 TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE W OF FRONT N TO NE
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST FRONT SE OF AREA. TROUGH FROM 18N93W TO 22N97W
TO 25N97W. W OF TROUGH NW WINDS 20 TO 30 KT. S OF 25N E OF 95W
INCLUDING THE STRAITS OF FLORIDA...NE WINDS 20 TO 25 KT. SEAS 8
TO 12 FT.
.48 HOUR FORECAST TROUGH DISSIPATED. FROM 19N TO 21N BETWEEN 93W
AND 95W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.

.SYNOPSIS AND FORECAST.

.ATLC TROUGH FROM 31N45W TO 23N46W. E OF LINE FROM 31N48W TO
13N42W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.24 HOUR FORECAST TROUGH DISSIPATED. FROM 10N TO 22N E OF 38W
WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.
.48 HOUR FORECAST FROM 12N TO 25N E OF 40W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN NE SWELL.

.CARIBBEAN DISSIPATING STATIONARY FRONT FROM 20N78W TO 16N82W. N
OF 19N W OF FRONT TO 83W NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST STATIONARY FRONT DISSIPATED. COLD FRONT FROM
20N78W TO 15N84W. W OF FRONT NE WINDS 20 TO 30 KT. SEAS 8 TO 10
FT.
.48 HOUR FORECAST STATIONARY FRONT FROM 20N77W TO 15N83W. WITHIN
150 NM W OF FRONT NE WINDS 20 TO 25 KT. SEAS 9 TO 11 FT.
ELSEWHERE FROM 15N TO 19N W OF 80W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN NE SWELL.

.CARIBBEAN FROM 11N TO 12N BETWEEN 71W AND 76W...INCLUDING GULF
OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 11N TO 13N BETWEEN 75W AND 77W WINDS 20
KT OR LESS. SEAS TO 8 FT IN NE SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.



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