High Seas Forecast
Issued by NWS

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303
FZNT01 KWBC 212214
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC FEB 21
24 HOUR FORECAST VALID 1800 UTC FEB 22
48 HOUR FORECAST VALID 1800 UTC FEB 23

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 63N36W 986 MB NEARLY STATIONARY. FROM 56N TO 62N E OF 52W
WINDS 25 TO 40 KT. SEAS 11 TO 22 FT. ELSEWHERE FROM 55N TO 67N E
OF 64W WINDS TO 25 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 63N37W 968 MB. WITHIN 180 NM NW AND 120 NM
SW QUADRANTS WINDS 50 TO 65 KT. SEAS 13 TO 26 FT. ELSEWHERE FROM
57N TO 66N E OF 43W WINDS 35 TO 50 KT. SEAS 12 TO 24 FT. ALSO
FROM 52N TO 67N E OF 50W WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW E OF AREA NEAR 64N32W 982 MB. OVER
FORECAST WATERS WITHIN 240 NM NW QUADRANT WINDS 35 TO 50 KT.
SEAS 12 TO 24 FT. ELSEWHERE WITHIN 240 NM SW QUADRANT WINDS 25
TO 35 KT. SEAS 8 TO 16 FT. ALSO WITHIN 660 NM SW QUADRANT WINDS
TO 25 KT. SEAS TO 12 FT.

...STORM WARNING...
.LOW 36N55W 1001 MB NEARLY STATIONARY. WITHIN 480 NM S
SEMICIRCLE...AND 540 NM NW AND 660 NM NE QUADRANTS WINDS 25 TO
40 KT. SEAS 8 TO 16 FT. ELSEWHERE FROM 31N TO 47N BETWEEN 45W
AND 71W WINDS TO 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 36N55W 992 MB. WITHIN 360 NM W
SEMICIRCLE...AND FROM 31N TO 42N BETWEEN 44W AND 50W WINDS 35 TO
50 KT. SEAS 12 TO 24 FT. ELSEWHERE FROM 31N TO 47N BETWEEN 40W
AND 63W WINDS 25 TO 40 KT. SEAS 10 TO 20 FT. ALSO FROM 31N TO
48N BETWEEN 38W AND 65W WINDS TO 25 KT. SEAS 8 TO 17 FT.
.48 HOUR FORECAST LOW 45N44W 987 MB. WITHIN 360 NM NW...600 NM
NE...780 NM SE AND 720 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS
11 TO 22 FT. ELSEWHERE FROM 31N TO 55N W OF 57W WINDS TO 25 KT.
SEAS 10 TO 18 FT.

...GALE WARNING...
.LOW 49N40W 1009 MB MOVING NE 40 KT. WITHIN 360 NM S SEMICIRCLE
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.12 HOUR FORECAST LOW 50N35W 1008 MB. WITHIN 300 NM SW QUADRANT
WINDS 25 TO 40 KT. SEAS 8 TO 15 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 61N60W.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST LOW 56N55W 999 MB. WITHIN 180 NM NW AND 420 NM
NE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.

.48 HOUR FORECAST FROM 31N TO 33N BETWEEN 70W AND 81W WINDS 20
TO 30 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 64N TO 67N
BETWEEN 54W AND 57W.
.24 HOUR FORECAST DENSE FOG FROM FROM 41N TO 45N BETWEEN 43W AND
50W.
.48 HOUR FORECAST DENSE FOG FROM 40N TO 45N BETWEEN 66W AND 70W
AND FROM 45N TO 50N BETWEEN 41W AND 45W AND FROM 48N TO 54N E OF
40W.

.HIGH 39N73W 1027 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH 35N71W 1020 MB.
.48 HOUR FORECAST HIGH 33N63W 1020 MB.

.HIGH 44N68W 1030 MB MOVING NE 50 KT.
.24 HOUR FORECAST HIGH 50N38W 1020 MB.
.48 HOUR FORECAST HIGH MOVED E OF AREA.

.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 1800 UTC TUE FEB 21.
24 HOUR FORECAST VALID 1800 UTC WED FEB 22.
48 HOUR FORECAST VALID 1800 UTC THU FEB 23.

.WARNINGS.

...GALE WARNING...

.ATLC COLD FRONT FROM 31N56W TO 26N70W. W OF FRONT TO 69W N
WINDS 20 TO 25 KT. SEAS TO 9 FT. E OF THE FRONT TO 47W N OF 24N
S TO SW WINDS 20 TO 30 KT. SEAS TO 8 FT.
.06 HOUR FORECAST COLD FRONT FROM 31N53W TO 21N60W. N OF 26N E
OF THE FRONT TO 48W S TO SW WINDS 30 TO 35 KT. SEAS 9 TO 11 FT.
ELSEWHERE N OF 24N E OF THE FRONT TO 45W SW WINDS 20 TO 30 KT.
SEAS 8 TO 10 FT. REMAINDER AREA N OF 26N W OF THE FRONT TO 69W N
TO NW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N48W TO 21N61W THEN
STATIONARY TO 22N68W. N OF 25N E OF FRONT TO 44W S WINDS 30 TO
40 KT. SEAS 9 TO 19 FT. ELSEWHERE N OF 23N E OF FRONT TO 41W S
TO SW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. N OF 28N W OF FRONT TO
63W W TO NW WINDS 20 TO 30 KT. SEAS 11 TO 17 FT. ELSEWHERE N OF
25N W OF FRONT TO 67W WINDS 20 KT OR LESS. SEAS TO 11 FT
PRIMARILY IN N SWELL.
.30 HOUR FORECAST COLD FRONT FROM 31N46W TO 21N60W THEN
STATIONARY TO 21N66W. N OF 24N E OF FRONT TO 40W S TO SW WINDS
20 TO 30 KT. SEAS 8 TO 16 FT. ELSEWHERE N OF 28N W OF THE FRONT
TO 60W W TO NW WINDS 20 TO 25 KT. SEAS 12 TO 19 FT. REMAINDER
AREA N OF 24N W OF FRONT TO 66W WINDS 20 KT OR LESS. SEAS TO 14
FT PRIMARILY IN N SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N42W TO 21N61W. N OF 26N E
OF FRONT TO 39W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. N OF
20N W OF FRONT TO 66W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT
PRIMARILY IN N SWELL.

.SYNOPSIS AND FORECAST.

.ATLC 24 HOUR FORECAST LOW PRES W OF AREA. FROM 26N TO 30N W OF
78W SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST LOW PRES W OF AREA. FROM 23N TO 31N W OF 73W
SE WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW PRES NEAR 27N79W 1004 MB TRAILING COLD
FRONT S TO 22N78W. E OF LOW AND FRONT TO 69W E TO SE WINDS 20 TO
30 KT. SEAS TO 11 FT E OF BAHAMAS.

.CARIBBEAN 18 HOUR FORECAST COLD FRONT FROM 22N84W TO 16N88W. S
OF 18N W OF THE FRONT NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 22N82W TO 16N86W. S OF 22N W
OF FRONT NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 21N76W TO 14N81W. WINDS 20 KT
OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO COLD FRONT FROM 30N87W TO 18N94W AND TROUGH FROM
29N94W TO 26N94W. N OF 24N W OF TROUGH NW TO W WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT. S OF 20N W OF FRONT NW TO N WINDS 20 TO
25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST NEW LOW PRES 28N84W 1007 MB TRAIL COLD FRONT S
TO 23N82W. FROM 23N TO 29N E OF LOW AND FRONT S TO SE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST LOW PRES 27N83W 1004 MB TRAIL COLD FRONT S TO
22N79W. WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.



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