High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 221019
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SUN JAN 22 2017

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22
24 HOUR FORECAST VALID 0600 UTC JAN 23
48 HOUR FORECAST VALID 0600 UTC JAN 24

.WARNINGS.

...STORM WARNING...
.LOW 50N43W 968 MB MOVING NE 25 KT. WITHIN 420 NM SE QUADRANT
WINDS 35 TO 50 KT. SEAS 20 TO 35 FT. ELSEWHERE WITHIN 600 NM
NE...660 NM SE...600 NM S...420 NM SW AND 540 NM NW
QUADRANTS...ALSO WITHIN 180 NM SE OF A FRONT FROM 40N35W TO
36N39W WINDS 25 TO 40 KT. SEAS 12 TO 24 FT. ELSEWHERE WITHIN 960
NM NW QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 58N39W 968 MB. WITHIN 90 NM W AND NW OF A
LINE FROM 58N41W TO 61N40W TO 63N38W TO 66N31W WINDS 35 TO 50
KT. SEAS 12 TO 26 FT. ELSEWHERE N OF 50N...AND BETWEEN 40N AND
50N E OF 41W WINDS 25 TO 40 KT. SEAS 12 TO 24 FT.
.48 HOUR FORECAST LOW 63N41W 958 MB. WITHIN 420 NM W AND SW
QUADRANTS WINDS 35 TO 50 KT. SEAS 15 TO 24 FT. ELSEWHERE WITHIN
480 NM SE...840 NM SW AND 600 NM NW QUADRANTS...ALSO FROM 40N TO
50N BETWEEN 43W AND 47W WINDS 25 TO 40 KT. SEAS 10 TO 19 FT.
ALSO E OF A LINE FROM 67N66W TO 60N65W TO 40N50W TO 32N48W WINDS
20 TO 30 KT, SEAS 8 TO 13 FT.

...STORM WARNING...
.S OF 36N W OF 74W WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST S OF 35N BETWEEN 74W AND 78W WINDS 25 TO 40
KT. SEAS 10 TO 16 FT. FROM 38N TO 41N W OF 68W WINDS 25 TO 35
KT. SEAS TO 12 FT. ELSEWHERE W OF A LINE FROM 43N64W TO 34N62W
TO 31N67W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 39N73W 988 MB. FROM 40N TO 43N W OF 66W
WINDS 35 TO 50 KT. SEAS 13 TO 22 FT. ELSEWHERE WITHIN 540 NM NE
QUADRANT...ALSO WITHIN 240 NM E OF A LINE FROM 39N69W TO 31N70W
WINDS 25 TO 40 KT. SEAS 8 TO 15 FT. ALSO W OF A LINE FROM 45N64W
TO 38N57W TO 31N61W WINDS 20 TO 30 KT. SEAS TO 13 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW 42N47W 1002 MB. WITHIN 180 NM S AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW E OF AREA. WITHIN 180 NM SE OF A FRONT
FROM 43N35W TO 37N43W WINDS 25 TO 40 KT. SEAS 10 TO 18 FT

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N AND NW OF A LINE FROM 58N58W
TO 61N49W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NW OF A
LINE FROM 50N54W TO 51N53W TO 53N53W TO 58N58W TO 64N57W TO
62N50W
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 51N55W TO 52N53W 54N52W TO 57N57W TO 61N49W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 52N TO 57N E
OF 45W.
.24 HOUR FORECAST DENSE FOG FROM 58N TO 62N E OF 39W.
.48 HOUR FORECAST VSBY IMPROVED.

.FORECASTER SHAW. 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 SUN JAN 22.
24 HOUR FORECAST VALID 0600 UTC MON JAN 23.
48 HOUR FORECAST VALID 0600 UTC TUE JAN 24.

.WARNINGS.

...GALE WARNING...
.GULF OF MEXICO COLD FRONT ENTERING FROM 30N94W TO 26N97W. W OF
FRONT NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. N OF 26N BETWEEN
84W AND 91W S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. FROM 22N
TO 26N W OF 84W S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT. S OF
21N BETWEEN 93W AND 95W S WINDS 20 TO 30 KT. SEAS TO 8 FT.
.06 HOUR FORECAST COLD FRONT FROM 30N92W TO 22N98W. W OF FRONT NW
TO N WINDS 30 TO 40 KT. SEAS 8 TO 11 FT. N OF 22N E OF FRONT TO
84W S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. S OF 22N BETWEEN
93W AND 95W S TO SW WINDS 20 TO 30 KT. SEAS TO 8 FT.
.12 HOUR FORECAST COLD FRONT FROM 30N87W TO 26N88W TO 19N96W. N
OF 23N W OF FRONT W TO NW WINDS 30 TO 40 KT. SEAS 10 TO 16 FT. N
OF 26N E OF FRONT S TO SW WINDS 30 TO 40 KT. SEAS 8 TO 14 FT...
HIGHEST NEAR 29N86W. FROM 22N TO 26N E OF FRONT...INCLUDING THE
STRAITS OF FLORIDA...S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST COLD FRONT FROM 26N81W TO 22N84W. N OF 25N E OF
94W W TO NW WINDS 30 TO 40 KT. SEAS 8 TO 19 FT...HIGHEST NEAR
27N88W. E OF FRONT...INCLUDING THE STRAITS OF FLORIDA...SW WINDS
20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE NE OF A LINE FROM
23N98W TO 20N90W W TO NW WINDS 20 TO 30 KT. SEAS 8 TO 17 FT IN
NW SWELL...HIGHEST CENTRAL PART.
.42 HOUR FORECAST COLD FRONT E OF AREA. E OF 88W NW WINDS 20 TO
30 KT. SEAS 8 TO 16 FT IN NW SWELL...HIGHEST NEAR 26N84W. FROM
22N TO 28N BETWEEN 88W AND 92W WINDS 20 KT OR LESS. SEAS 8 TO 11
FT IN NW SWELL.
.48 HOUR FORECAST E OF 84W...INCLUDING THE STRAITS OF FLORIDA...
NW WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN NW SWELL...HIGHEST NEAR
25N85W. ELSEWHERE E OF A LINE FROM 30N85W TO 24N90W TO 21N90W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.

...GALE WARNING...
.ATLC 03 HOUR FORECAST N OF 29N W OF 76W SW WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.12 HOUR FORECAST N OF 24N W OF A LINE FROM 31N73W TO 24N79W S
TO SW WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.18 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 31N78W TO 27N80W. W OF FRONT W
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. N OF 25N WITHIN 180 NM E OF
FRONT SW WINDS 30 TO 40 KT. SEAS 11 TO 17 FT. ELSEWHERE N OF 23N
E OF FRONT TO A LINE FROM 31N70W TO 23N77W S TO SW WINDS 20 TO 30
KT. SEAS 8 TO 11 FT E OF BAHAMAS.
.48 HOUR FORECAST COLD FRONT FROM 31N69W TO 26N70W TO 21N76W.
TROUGH FROM 31N73W TO 25N73W. N OF 26N W OF TROUGH TO 79W W TO NW
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT...HIGHEST NEAR 30N77W.
ELSEWHERE W OF FRONT W TO NW WINDS 20 TO 25 KT...EXCEPT SW WINDS
BETWEEN FRONT AND TROUGH. SEAS 8 TO 13 FT IN NW SWELL E OF
BAHAMAS...AND 8 TO 10 FT IN NW SWELL NEAR THE GULF STREAM AND
ATLC EXPOSURES. N OF 23N WITHIN 120 NM E OF FRONT S TO SW WINDS
30 TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE N OF 20N E OF FRONT TO
A LINE FROM 31N63W TO 20N68W S TO SW WINDS 20 TO 30 KT. SEAS 8 TO
10 FT.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N44W TO 25N50W THEN DISSIPATING TO
19N61W. WITHIN AREA BOUNDED BY 31N38W TO 31N42W TO 29N43W TO
27N42W TO 29N39W TO 31N38W S TO SW WINDS 20 TO 25 KT. SEAS 9 TO
11 FT IN NW SWELL. ELSEWHERE WITHIN AREA BOUNDED BY 31N35W TO
31N67W TO 26N51W TO 22N44W TO 28N35W TO 31N35W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW SWELL. WITHIN AREA
BOUNDED BY 24N35W TO 19N38W TO 17N37W TO 15N39W TO 13N39W TO
13N35W TO 24N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE
AND NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N43W TO 24N51W. WITHIN AREA
BOUNDED BY 31N35W TO 29N62W TO 24N44W TO 12N39W TO 13N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED NE AND NW
SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N39W TO 26N47W. WITHIN AREA
BOUNDED BY 31N35W TO 31N39W TO 22N45W TO 15N41W TO 07N43W TO
07N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SE
AND NW TO N SWELL.

.CARIBBEAN FROM 16N TO 19N BETWEEN 83W AND 86W SE TO S WINDS 20
TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 22N84W TO 18N88W. N OF 21N W OF
80W S TO SW WINDS 20 TO 25 KT...EXCEPT NW WINDS BEHIND FRONT.
SEAS TO 8 FT NEAR YUCATAN CHANNEL.
.36 HOUR FORECAST COLD FRONT FROM 21.5N79.5W TO 16N84.5W. N OF
20N SW WINDS 20 TO 25 KT...EXCEPT NW WINDS BEHIND FRONT. SEAS 8
TO 12 FT W OF 84W...HIGHEST NEAR YUCATAN CHANNEL...AND TO 8 FT
AHEAD OF FRONT.
.48 HOUR FORECAST COLD FRONT FROM 20N76W TO 16N80W TO 12N83W. N
OF 18.5N BETWEEN 73W AND 76W...INCLUDING THE WINDWARD PASSAGE...
SW WINDS 20 TO 25 KT. SEAS TO 8 FT NEAR THE WINDWARD PASSAGE.
FROM 14N TO 16N W OF FRONT TO 84W NW WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT. WITHIN 180 NM NE OF A LINE FROM 22N87W TO 18N85W...
INCLUDING THE YUCATAN CHANNEL...WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN NW SWELL.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.



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