High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 211601
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC TUE FEB 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FEB 21
24 HOUR FORECAST VALID 1200 UTC FEB 22
48 HOUR FORECAST VALID 1200 UTC FEB 23

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 61N38W 990 MB DRIFTING N. FROM 56N TO 62N E OF 62W WINDS 25
TO 40 KT. SEAS 10 TO 21 FT. ELSEWHERE FROM 55N TO 67N E OF 64W
WINDS TO 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 63N37W 968 MB. WITHIN 120 NM NW...180 NM
NE AND 420 NM SW QUADRANTS WINDS 40 TO 55 KT. SEAS 11 TO 23 FT.
ELSEWHERE FROM 53N TO 66N E OF 49W WINDS 25 TO 40 KT. SEAS 10 TO
18 FT. ALSO FROM 52N TO 67N E OF 61W WINDS TO 25 KT. SEAS TO 10
FT.
.30 HOUR FORECAST LOW 63N37W 972 MB. WITHIN 60 NM NW OF A LINE
FROM 64N38W TO 65N35W WINDS 50 TO 70 KT. SEAS 20 TO 32 FT.
.48 HOUR FORECAST LOW E OF AREA NEAR 63N29W 983 MB. OVER
FORECAST WATERS WITHIN 300 NM NW QUADRANT WINDS 40 TO 55 KT.
SEAS 16 TO 29 FT. ELSEWHERE WITHIN 420 NM SW QUADRANT WINDS 25
TO 40 KT. SEAS 12 TO 21 FT. ALSO WITHIN 660 NM SW QUADRANT WINDS
TO 25 KT. SEAS 8 TO 14 FT.

...STORM WARNING...
.COMPLEX LOW WITH MEAN CENTER 39N55W 1005 MB NEARLY STATIONARY.
WITHIN 480 NM NW...600 NM NE...480 NM SE AND 900 NM SW QUADRANTS
WINDS 25 TO 40 KT. SEAS 8 TO 16 FT. ELSEWHERE FROM 31N TO 48N
BETWEEN 41W AND 73W WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 35N56W 992 MB. WITHIN 360 NM W
SEMICIRCLE...AND FROM 31N TO 40N BETWEEN 45W AND 49W WINDS 40 TO
55 KT. SEAS 12 TO 24 FT. ELSEWHERE FROM 31N TO 46N BETWEEN 40W
AND 67W WINDS 25 TO 40 KT. SEAS 10 TO 18 FT. ALSO FROM 31N TO
48N BETWEEN 40W AND 69W WINDS TO 25 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 45N47W 988 MB. WITHIN 300 NM NW...720 NM
NE...900 NM SE AND 720 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS
11 TO 22 FT. ELSEWHERE FROM 31N TO 54N W OF 62W WINDS TO 25 KT.
SEAS 10 TO 17 FT.

...GALE WARNING...
.LOW 49N41W 1011 MB MOVING NE 30 KT. WITHIN 420 NM SE QUADRANT
WINDS 20 TO 30 KT. SEAS TO 12 FT.
.12 HOUR FORECAST LOW 49N37W 1008 MB. WITHIN 240 NM SE AND 480
NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW AND CONDITIONS MOVED E OF AREA.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
NW OF A LINE FROM 58N59W TO 62N50W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 60N
BETWEEN 45W AND 60W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 60N46W TO 63N59W.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST LOW 56N55W 999 MB. WITHIN 240 NM N SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 8 FT.

.48 HOUR FORECAST FROM 31N TO 33N BETWEEN 76W AND 81W WINDS TO
25 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 64N TO 67N
BETWEEN 54W AND 60W.
.24 HOUR FORECAST DENSE FOG FROM 65N TO 67N BETWEEN 54W AND 57W
AND FROM 41N TO 44N BETWEEN 46W AND 50W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 51N BETWEEN 39W AND 49W
AND FROM 48N TO 53N E OF 39W.

.24 HOUR FORECAST HIGH 36N71W 1020 MB.
.48 HOUR FORECAST HIGH 33N67W 1020 MB.

.24 HOUR FORECAST HIGH 49N51W 1020 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.FORECASTER HOLLEY. 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 TUE FEB 21.
24 HOUR FORECAST VALID 1200 UTC WED FEB 22.
48 HOUR FORECAST VALID 1200 UTC THU FEB 23.

.WARNINGS.

...GALE WARNING...

.ATLC COLD FRONT FROM 31N59W TO 27N70W. N OF FRONT N WINDS 20 TO
25 KT. SEAS TO 8 FT. ATLC LOW PRES 24N63W 1010 MB WITH COLD
FRONT SW TO 19N64W. N OF 25N BETWEEN 48W AND 60W S TO SW WINDS
20 TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST MERGED COLD FRONT FROM 31N54W TO 16N61W. N OF
27N WITHIN 240 NM E OF FRONT S TO SW WINDS 30 TO 35 KT. SEAS 11
TO 13 FT. ELSEWHERE N OF 25N WITHIN 540 NM E OF FRONT S TO SW
WINDS 20 TO 30 KT. SEAS TO 11 FT. N OF 26N WITHIN 720 NM W OF
FRONT NW TO N WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N51W TO 22N57W THEN
STATIONARY TO 16N59W. N OF 27N WITHIN 240 NM E OF FRONT S TO SW
WINDS 30 TO 40 KT. SEAS 12 TO 20 FT. ELSEWHERE N OF 22N WITHIN
480 NM E OF FRONT S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. N
OF 25N WITHIN 660 NM W OF FRONT W TO NW WINDS 20 TO 30 KT. SEAS
10 TO 15 FT. ELSEWHERE N OF 25N W OF FRONT TO 68W WINDS 20 KT OR
LESS. SEAS TO 10 FT PRIMARILY IN N SWELL.
.36 HOUR FORECAST COLD FRONT FROM 31N46W TO 22N53W THEN
STATIONARY TO 13N60W. N OF 26N WITHIN 360 NM E OF FRONT S TO SW
WINDS 20 TO 30 KT. SEAS 8 TO 15 FT...HIGHEST SEAS ALONG 31N. N
OF 29.5N WITHIN 660 NM W OF FRONT W TO NW WINDS 20 TO 25 KT.
SEAS 12 TO 18 FT...HIGHEST SEAS ALONG 31N. ELSEWHERE N OF 24N W
OF FRONT TO 67W WINDS 20 KT OR LESS. SEAS TO 11 FT PRIMARILY IN
N SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N43W TO 23N50W THEN
STATIONARY TO 14N60W. N OF 29N WITHIN 210 NM E OF FRONT S TO SW
WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. N OF 20N W OF FRONT TO 66W
WINDS 20 KT OR LESS. SEAS 8 TO 15 FT PRIMARILY IN N SWELL...
HIGHEST SEAS AT 31N48W.

.SYNOPSIS AND FORECAST.

.ATLC 24 HOUR FORECAST LOW PRES W OF AREA. FROM 26N TO 29N W OF
78W SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST LOW PRES W OF AREA. FROM 24N TO 31N W OF 76W
SE WINDS 20 TO 25 KT. SEAS TO 8 FT N OF 27N.
.48 HOUR FORECAST LOW PRES NEAR 27N80W 1005 MB TRAILING COLD
FRONT S TO 23N80W. E OF LOW AND FRONT TO 71W E TO SE WINDS 20 TO
30 KT. SEAS TO 11 FT E OF BAHAMAS.

.CARIBBEAN N OF 17N BETWEEN 74W AND 76W INCLUDING S APPROACH TO
WINDWARD PASSAGE NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 22N84W TO 16N88W. S OF 18N
W OF FRONT NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST COLD FRONT FROM 22N81W TO 15.5N84W. W OF FRONT
NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 21N78W TO 14.5N83W. WINDS 20
KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO COLD FRONT FROM 30N87W TO 19N96W AND TROUGH FROM
29N95W TO 26N97W. W OF TROUGH W WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT. S OF 24N WITHIN 90 NM W OF FRONT NW TO N WINDS 20 TO
30 KT. SEAS TO 8 FT.
.12 HOUR FORECAST COLD FRONT FROM 30N86W TO 21N90W AND TROUGH
FROM 29N91W TO 23N92W. S OF 28N W OF TROUGH NW WINDS 20 TO 25 KT.
SEAS TO 9 FT.
.24 HOUR FORECAST NEW LOW PRES 28N85W 1005 MB TRAIL COLD FRONT S
TO 22N85W. FROM 24N TO 28N E OF LOW AND FRONT SE WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST LOW PRES 27N84W 1005 MB TRAIL COLD FRONT S TO
22N83W. WITHIN 150 NM E OF LOW E TO SE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT. N APPROACH TO YUCATAN CHANNEL NW WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW PRES INLAND FLORIDA. WINDS 20 KT OR LESS.
SEAS LESS THAN 8 FT.

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

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.



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