High Seas Forecast
Issued by NWS

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261
FZNT01 KWBC 170953
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE JAN 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

PAN PAN

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.

...HURRICANE FORCE WIND WARNING...
.LOW 40N42W 992 MB MOVING NE 20 KT. WITHIN 120 NM SW SEMICIRCLE
WINDS 45 TO 60 KT. SEAS 15 TO 22 FT. ELSEWHERE OVER FORECAST
WATERS WITHIN 180 NM NE...480 NM SE...360 NM SW...AND 240 NM NW
QUADRANTS WINDS 30 TO 45 KT. SEAS 9 TO 17 FT.
.06 HOUR FORECAST LOW 42N41W 986 MB. WITHIN 90 NM SW SEMICIRCLE
WINDS 50 TO 65 KT. SEAS 20 TO 28 FT.
.24 HOUR FORECAST LOW 46N36W 978 MB. WITHIN 240 NM S AND BETWEEN
180 NM AND 300 NM NW QUADRANTS WINDS 40 TO 50 KT. SEAS 17 TO 30
FT. ELSEWHERE WITHIN 420 NM N...480 NM S AND SW...AND 600 NM NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 24 FT.
.48 HOUR FORECAST LOW E OF AREA 56N34W 982 MB. WITHIN 180 NM NW
SEMICIRCLE WINDS 40 TO 55 KT. SEAS 12 TO 24 FT. ELSEWHERE WITHIN
300 NM SW AND 360 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO
17 FT.

...STORM WARNING...
.LOW 54N37W 992 MB MOVING NE 30 KT. OVER FORECAST WATERS WITHIN
120 NM OF CENTER EXCEPT N QUADRANT WINDS 40 TO 50 KT. SEAS 12 TO
20 FT. ELSEWHERE FROM 50N TO 56N E OF 44W WINDS 25 TO 40 KT.
SEAS 8 TO 16 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 44N48W 1001 MB. WITHIN 360 NM SE...480
NM SW...AND 540 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS 8 TO 14
FT.
.30 HOUR FORECAST LOW 45N44W 995 MB. WITHIN 300 NM S AND 240 NM
SW QUADRANTS WINDS 40 TO 50 KT. SEAS 12 TO 18 FT.
.48 HOUR FORECAST LOW 49N37W 989 MB. BETWEEN 300 NM AND 480 NM S
AND 180 NM AND 360 NM SW QUADRANTS WINDS 40 TO 50 KT. SEAS 22 TO
27 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 240 NM N...840 NM
S...AND 420 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 14 TO 24 FT.

...GALE WARNING...
.OVER ICE FREE FORECAST WATERS N OF 59N AND E OF GREENLAND AREA
OF SW TO W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST FROM 63N TO 65N E OF GREENLAND AREA OF W TO NW
WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST LOW INLAND 44N78W 1010 MB. OVER FORECAST
WATERS WITHIN 840 NM SE QUADRANT WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 37N64W 1000 MB. WITHIN 240 NM NE...720 NM
SE...600 NM SW...AND 360 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS
8 TO 14 FT.

...GALE WARNING...
.24 HOUR FORECAST OVER ICE FREE FORECAST WATERS N OF A LINE FROM
61N59W TO 64N53W AREA OF S TO SW WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST NW AND W OF A LINE FROM 63N52W TO 59N54W TO
57N57W AREA OF SE TO S WINDS 25 TO 40 KT. SEAS 8 TO 14 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
NW AND W OF A LINE FROM 63N51W TO 58N57W AND FROM 49N TO 52N W
OF 52W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW AND W OF A
LINE FROM 64N52W TO 58N57W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W OF A LINE
FROM 60N56W TO 55N52W.

.SYNOPSIS AND FORECAST.

.LOW INLAND 51N58W 1002 MB MOVING SE 20 KT. OVER FORECAST WATERS
WITHIN 360 NM SE AND 780 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS
TO 10 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
44N48W DESCRIBED IN WARNINGS SECTION ABOVE.

.HIGH 35N68W 1028 MB MOVING SE 15 KT.
.24 HOUR FORECAST HIGH S OF AREA.

.FORECASTER BELL. 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 TUE JAN 17.
24 HOUR FORECAST VALID 0600 UTC WED JAN 18.
48 HOUR FORECAST VALID 0600 UTC THU JAN 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC S OF 25N W OF 65W...INCLUDING THE APPROACH TO THE WINDWARD
PASSAGE...NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT E OF THE
BAHAMAS. IN THE STRAITS OF FLORIDA E WINDS 20 TO 25 KT. SEAS TO
8 FT.
.24 HOUR FORECASTS OF 21N BETWEEN 72W AND 74W...INCLUDING THE
APPROACH TO THE WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC COLD FRONT 31N46W TO 26N63W. N OF 30N E OF FRONT TO 44W SW
WINDS 20 TO 25 KT. SEAS TO 8 FT. NW OF FRONT WINDS 20 KT OR
LESS. SEAS TO 9 FT IN NW SWELL TO 58W.
.24 HOUR FORECAST COLD FRONT FROM 30N35W TO 25N50W. NW OF FRONT
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.48 HOUR FORECAST STATIONARY FRONT FROM 30N35W TO 25N50W. N OF
26N E OF 45W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.

.ATLC 42 HOUR FORECAST COLD FRONT N OF AREA. N OF 30N E OF 77W
TO A LINE FROM 31N60W TO 30N65W SW TO W WINDS 20 TO 25 KT. SEAS
BUILDING TO 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N68W TO 30N73W TO 31N77W. E
OF FRONT TO A LINE FROM 31N55W TO TO 28N65W TO 28N70W TO 30N77W
SW TO W WINDS 20 TO 30 KT. SEAS BUILDING TO 11 FT. NW OF FRONT W
TO NW WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

.CARIBBEAN FROM 10.5N TO 12.5N BETWEEN 74W AND 77W NE WINDS 25
TO 30 KT. SEAS 9 TO 11 FT. ELSEWHERE S OF 17.5N BETWEEN 70W AND
82W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. N OF 15N E OF
70W...INCLUDING ATLC PASSAGES...NE WINDS 20 TO 25 KT. SEAS TO 8
FT.
.24 HOUR FORECAST FROM 10.5N TO 12.5 BETWEEN 74W AND 77W NE
WINDS 25 TO 30 KT. SEAS 9 TO 11 FT. ELSEWHERE S OF 16.5N BETWEEN
70W AND 81.5W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. N OF
14N E OF 70W...INCLUDING ATLC PASSAGES...NE WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.48 HOUR FORECAST FROM 10N TO 13N BETWEEN 74W AND 78W NE WINDS
20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE S OF 15N BETWEEN 74W AND
81.5W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E SWELL.

.CARIBBEAN N 18N E OF 76W...INCLUDING THE WINDWARD PASSAGE...
NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. N OF 18N BETWEEN 76W AND
81W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST N 18N E OF 76W...INCLUDING THE WINDWARD
PASSAGE...NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.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 GR. NATIONAL HURRICANE CENTER.



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