High Seas Forecast
Issued by NWS

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FZNT01 KWBC 221733 CCA
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SUN JAN 22 2017

CORRECTED ATLC GALE WARNING IN PART 2 BELOW

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JAN 22
24 HOUR FORECAST VALID 1200 UTC JAN 23
48 HOUR FORECAST VALID 1200 UTC JAN 24

.WARNINGS.

...STORM WARNING...
.LOW 52N41W 969 MB MOVING NE 20 KT. WITHIN 90 NM W OF A LINE
FROM 61N41W TO 58N43W WINDS 40 TO 50 KT. SEAS 10 TO 18 FT.
ELSEWHERE WITHIN 480 NM S AND SE QUADRANTS AND BETWEEN 120 NM
AND 420 NM NW QUADRANT WINDS 35 TO 45 KT. SEAS 17 TO 34 FT. ALSO
WITHIN 300 NM E...720 NM S...540 NM W AND 600 NM N AND NW
QUADRANTS WINDS 25 TO 35 KT. SEAS 13 TO 26 FT...EXCEPT N AND NW
QUADRANTS SEAS 8 TO 16 FT.
.24 HOUR FORECAST LOW 59N38W 970 MB. N OF 60N WITHIN 90 NM OF
THE GREENLAND E COAST...ALSO WITHIN 180 NM W AND 480 NM S
QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 24 FT.
.48 HOUR FORECAST LOW ABSORBED AND CONDITIONS DESCRIBED WITH LOW
61N42W BELOW.

...STORM WARNING...
.24 HOUR FORECAST OVER FORECAST WATERS FROM 37N TO 42N W OF 65W
AND FROM 31N TO 36N W OF 70W WINDS 25 TO 40 KT. SEAS 8 TO 17 FT.
ELSEWHERE W OF A LINE FROM 44N68W TO 38N63W TO 31N68W WINDS TO
25 KT. SEAS TO 9 FT.
.30 HOUR FORECAST FROM 39N TO 41N W OF 70W WINDS 35 TO 50 KT.
SEAS 12 TO 20 FT.
.48 HOUR FORECAST LOW 40N73W 988 MB. BETWEEN 180 NM AND 480 NM
NE QUADRANT WINDS 35 TO 50 KT. SEAS 11 TO 21 FT. ALSO WITHIN 720
NM E AND SE QUADRANTS N OF 31N WINDS 25 TO 40 KT. SEAS 8 TO 16
FT. ELSEWHERE FROM 31N TO 45N W OF 59W WINDS 20 TO 30 KT. SEAS 8
TO 14 FT.

...STORM WARNING...
.EXCEPT WHERE DESCRIBED ABOVE WITH LOW 52N41W...OVER ICE FREE
FORECAST WATERS N OF 60N BETWEEN 47W AND 60W WINDS 20 TO 30 KT.
SEAS TO 12 FT.
.24 HOUR FORECAST NEW INTENSIFYING LOW 61N47W 979 MB. WITHIN 420
NM W SEMICIRCLE WINDS 25 TO 40 KT. SEAS 10 TO 21 FT.
.36 HOUR FORECAST LOW 60N43W 968 MB. WITHIN 240 NM W AND 120 NM
S QUADRANTS WINDS 35 TO 50 KT. SEAS 18 TO 24 FT.
.48 HOUR FORECAST LOW 61N42W 957 MB. WITHIN 180 NM SW
QUADRANT... ALSO FROM 57N TO 66N BETWEEN 44W AND 56W WINDS 45 TO
60 KT. SEAS 18 TO 33 FT. ELSEWHERE N OF 50N W OF 43W...WITHIN
660 NM SE QUADRANT...AND N OF 65N E OF GREENLAND WINDS 30 TO 45
KT. SEAS 12 TO 24 FT. ALSO WITHIN 240 NM NE QUADRANT WINDS 20 TO
30 KT. SEAS 8 TO 12 FT.

...GALE WARNING...
.LOW 42N60W 1004 MB MOVING NE 30 KT. WITHIN 240 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 44N42W 997 MB. WITHIN 240 NM SE OF A LINE
FROM THE LOW TO 39N49W WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST LOW E OF AREA. FROM 35N TO 50N BETWEEN 35W AND
46W WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE WATERS N AND NW
OF A LINE FROM 61N48W TO 58N58W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NW OF A
LINE FROM 63N51W TO 59N58W...ALSO FROM 49N TO 55N W OF 52W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NW OF A
LINE FROM 60N45W TO 59N52W TO 56N56W.

.SYNOPSIS AND FORECAST.

.LOW 37N74W 1001 MB NEARLY STATIONARY. WITHIN 360 NM S...240 NM
E AND 60 NM N QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM 37N63W
1006 MB. WITHIN 240 NM S SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 9
FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.FRONT EXTENDS FROM 40N35W TO 31N43W. N OF 31N BETWEEN 35W AND
THE FRONT WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 54N TO 59N
BETWEEN 35W AND 43W.
.24 HOUR FORECAST VSBY IMPROVED.

.48 HOUR FORECAST NEW HIGH 43N53W 1026 MB.

.FORECASTER REINHART. 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 1200 UTC SUN JAN 22.
24 HOUR FORECAST VALID 1200 UTC MON JAN 23.
48 HOUR FORECAST VALID 1200 UTC TUE JAN 24.

.WARNINGS.

...GALE WARNING...
.GULF OF MEXICO COLD FRONT FROM 29.5N90W TO 22N98W. N OF 26N W
OF FRONT NW WINDS 25 TO 35 KT. SEAS TO 9 FT. ELSEWHERE W OF FRONT
NW TO N WINDS 20 TO 30 KT. SEAS TO 8 FT. E OF FRONT S TO SW WINDS
20 TO 25 KT. SEAS 8 TO 10 FT N OF 23N.
.12 HOUR FORECAST COLD FRONT FROM 29N84W TO 21.5N87W N OF 25N W
OF FRONT TO 96W W TO NW WINDS 25 TO 35 KT. SEAS 12 TO 19 FT.
ELSEWHERE N OF 22N W OF FRONT NW WINDS 20 TO 30 KT. SEAS 8 TO 12
FT. E OF FRONT SW WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. SCATTERED
TSTMS E OF FRONT.
.24 HOUR FORECAST FRONT E OF AREA. N OF 25N E OF 87W W TO NW
WINDS 30 TO 35 KT. SEAS 12 TO 18 FT. ELSEWHERE N OF 22N E OF 94W
W TO NW WINDS 20 TO 30 KT. SEAS 10 TO 15 FT. REMAINDER OF AREA
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.36 HOUR FORECAST E OF 87W NW WINDS 20 TO 25 KT. SEAS 12 TO 16 FT
IN NW SWELL. N OF 22N BETWEEN 87W AND 92W WINDS 20 KT OR LESS.
SEAS 8 TO 12 FT IN NW SWELL.
.48 HOUR FORECAST FROM 22N TO 28N E OF 87W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN NW SWELL. FROM 22N TO 25N W OF 95W SE TO S
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

...GALE WARNING...
.ATLC FROM 27N TO 31N W OF 78W SW WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.12 HOUR FORECAST COLD FRONT APPROACHING FROM W. FROM 26.5N TO
31N W OF 72W SW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. SCATTERED
TSTMS N OF 27N W OF 78W.
.15 HOUR FORECAST COLD FRONT APPROACHING FROM W. LITTLE CHANGE...
EXCEPT N OF 29N W OF 77W S TO SW WINDS 25 TO 35 KT. SEAS 9 TO 12
FT.
.24 HOUR FORECAST COLD FRONT FROM 31N76W TO 23N80W. N OF 26N
WITHIN 90 NM E OF FRONT SW WINDS 30 TO 35 KT. SEAS 12 TO 18 FT IN
OPEN WATERS. ELSEWHERE W OF LINE FROM 31N67W TO 22N77W SW TO W
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT IN OPEN WATERS. SCATTERED TO
NUMEROUS TSTMS WITHIN 90 NM OF FRONT.
.36 HOUR FORECAST COLD FRONT FROM 31N72W TO 22N77W. N OF 25N
WITHIN 90 NM E OF FRONT S TO SW WINDS 30 TO 35 KT. SEAS 12 TO 16
FT. ELSEWHERE WITHIN 300 NM E OF FRONT S TO SW WINDS 20 TO 30 KT.
SEAS 8 TO 12 FT IN OPEN WATERS. W OF FRONT W TO NW WINDS 20 TO 30
KT. SEAS 12 TO 15 FT N OF 27N W OF FRONT TO 78W AND 8 TO 12 FT
ELSEWHERE W OF FRONT IN OPEN WATERS.
.48 HOUR FORECAST COLD FRONT FROM 31N68W TO 23N70W TO 20N72W.
WITHIN 270 NM E OF FRONT S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 15
FT. W OF FRONT NW WINDS 20 TO 25 KT. SEAS 8 TO 14 FT IN OPEN
WATERS.

.SYNOPSIS AND FORECAST.

.ATLC STATIONARY FRONT FROM 31N43W TO 25N50W THEN DISSIPATING
STATIONARY TO 18N62W. FROM 28N TO 31N WITHIN 120 NM E OF FRONT
SW WINDS 20 TO 25 KT. SEAS 11 FT IN MIXED SW AND NW SWELL.
ELSEWHERE FROM 24N TO 31N BETWEEN 35W AND 63W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT PRIMARILY IN NW SWELL.
.24 HOUR FORECAST FRONT DISSIPATED. WITHIN AREA BOUNDED BY 31N48W
TO 31N35W TO 13N35W TO 31N48W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT PRIMARILY IN NW SWELL.
.48 HOUR FORECAST FROM 07N TO 22N BETWEEN 35W AND 40W WINDS 20 KT
OR LESS. SEAS 8 FT IN MIXED NW AND E SWELL.

.CARIBBEAN FROM 16N TO 22N BETWEEN 83W AND 86W SE TO S WINDS 20
TO 25 KT. SEAS 8 FT.
.12 HOUR FORECAST COLD FRONT APPROACHING FROM NW. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 22N82W TO 16N88W. N OF 19N E OF
FRONT TO 78W SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. FROM 21N
TO 22N BETWEEN 85W AND 87W...INCLUDING YUCATAN CHANNEL...NW WINDS
20 TO 25 KT. SEAS 8 TO 10 FT.
.36 HOUR FORECAST COLD FRONT FROM 20.5N78W TO 15.5N83W. FROM 19N
TO 22N BETWEEN 82.5W AND 87W NW WINDS 20 TO 25 KT. SEAS 8 TO 12
FT IN NW SWELL. N OF 18.5N E OF FRONT TO 73W...INCLUDING WINDWARD
PASSAGE...SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 18.5N72W TO 16N78W THEN
DISSIPATING COLD FRONT TO 14N83W. FROM 17N TO 19N BETWEEN 81W AND
83W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.

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

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.



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