High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 210934
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FEB 21
24 HOUR FORECAST VALID 0600 UTC FEB 22
48 HOUR FORECAST VALID 0600 UTC FEB 23

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.OVER ICE FREE FORECAST WATERS WITHIN 480 NM N AND NE OF A LINE
FROM 55N35W TO 57N59W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST NEW LOW 63N37W 982 MB. WITHIN 120 NM NW
SEMICIRCLE WINDS 40 TO 50 KT. SEAS 9 TO 18 FT. ELSEWHERE WITHIN
600 NM S...180 NM E...240 NM N...AND 720 NM W QUADRANTS WINDS 25
TO 40 KT. SEAS 8 TO 16 FT.
.36 HOUR FORECAST LOW 63N36W 979 MB. WITHIN 180 NM NW SEMICIRCLE
WINDS 50 TO 65 KT. SEAS 15 TO 30 FT.
.48 HOUR FORECAST LOW E OF AREA 63N33W 983 MB. WITHIN 240 NM NW
QUADRANT WINDS 50 TO 65 KT. SEAS 17 TO 33 FT. ELSEWHERE WITHIN
240 NM SW AND W QUADRANTS WINDS 40 TO 50 KT. SEAS 15 TO 24 FT.
ALSO NE AND E OF A LINE FROM 51N35W TO 61N48W WINDS 25 TO 40 KT.
SEAS 8 TO 17 FT.

...STORM WARNING...
.LOW 41N53W 1004 MB MOVING S 15 KT. FRONT EXTENDS FROM 46N46W TO
31N63W. OVER FORECAST WATERS WITHIN 300 NM SE AND E OF THE FRONT
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN 1200 NM SW
AND 720 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 35N55W 995 MB. WITHIN 300 NM NW AND 420 NM
SE QUADRANTS WINDS 40 TO 50 KT. SEAS 12 TO 20 FT. ELSEWHERE
WITHIN 720 NM SW...660 NM NW...780 NM NE...AND 840 NM SE
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW 41N52W 989 MB. WITHIN 360 NM S AND 660 NM
SE QUADRANTS WINDS 40 TO 50 KT. SEAS 14 TO 23 FT. ELSEWHERE FROM
31N TO 52N BETWEEN 64W AND 35W WINDS 25 TO 40 KT. SEAS 8 TO 17
FT.

...GALE WARNING...
.LOW 50N39W 1010 MB MOVING NE 15 KT. FRONT EXTENDS FROM 51N35W
TO LOW CENTER TO 46N46W. OVER FORECAST WATERS WITHIN 300 NM S
AND SE OF THE FRONT WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW E OF AREA. FRONT TO EXTEND FROM 51N35W TO
46N45W. WITHIN 300 NM SE AND S OF THE FRONT WINDS 25 TO 35 KT.
SEAS 8 TO 14 FT.
.48 HOUR FORECAST CONDITIONS E OF AREA.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
NW AND W OF A LINE FROM 56N56W TO 62N50W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW AND W OF A
LINE FROM 54N53W TO 61N48W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW AND W OF A
LINE FROM 58N59W TO 60N47W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. 48 HOUR VSBY OCCASIONALLY LESS THAN 1 NM OVER
FORECAST WATERS FROM 43N TO 50N BETWEEN 41W AND 50W.

.HIGH 40N37W 1021 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST HIGH 43N64W 1024 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST HIGH 48N56W 1021 MB.
.48 HOUR FORECAST HIGH E OF AREA.

.24 HOUR FORECAST HIGH 39N70W 1022 MB.
.48 HOUR FORECAST HIGH 33N69W 1019 MB.

.FORECASTER SOMMERVILLE. 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 FEB 21.
24 HOUR FORECAST VALID 0600 UTC WED FEB 22.
48 HOUR FORECAST VALID 0600 UTC THU FEB 23.

.WARNINGS.

.ATLC 12 HOUR FORECAST COLD FRONT FROM 31N57W TO 19N65W. N OF
24N E OF FRONT TO 47W SW WINDS 20 TO 30 KT. SEAS TO 8 FT. N OF
26N W OF FRONT TO 70W N WINDS 20 TO 25 KT. SEAS TO 10 FT.
.18 HOUR FORECAST COLD FRONT FROM 31N54W TO 19N63W. N OF 27N
WITHIN 90 NM E OF FRONT S TO SW WINDS 30 TO 35 KT. SEAS 11 TO 13
FT. ELSEWHERE N OF 25N E OF FRONT TO 46W S TO SW WINDS 20 TO 30
KT. SEAS 8 TO 11 FT. N OF 26N W OF FRONT TO 67W NW TO N WINDS 20
TO 25 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N52W TO 19N62W. N OF 27N
WITHIN 180 NM E OF FRONT S TO SW WINDS 30 TO 35 KT. SEAS 11 TO
17 FT. ELSEWHERE N OF 24N E OF FRONT TO 44W S TO SW WINDS 20 TO
30 KT. SEAS 8 TO 12 FT. N OF 26N W OF FRONT TO 66W W TO NW WINDS
20 TO 25 KT. SEAS 8 TO 13 FT.
.42 HOUR FORECAST COLD FRONT FROM 31N46W TO 20N56W. N OF 26N
WITHIN 150 NM E OF FRONT S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 15
FT. N OF 29N W OF FRONT TO 59W W WINDS 20 TO 25 KT. SEAS 13 TO
19 FT IN NW SWELL. ELSEWHERE N OF 24N BETWEEN 42W AND 66W WINDS
20 KT OR LESS. SEAS 8 TO 14 FT IN NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N45W TO 20N56W. N OF 27N
WITHIN 120 NM E OF FRONT S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 14
FT. ELSEWHERE N OF N OF LINE FROM 31N40W TO 2547W TO 23N62W TO
31N66W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN NW SWELL.

.SYNOPSIS AND FORECAST.

.ATLC 48 HOUR FORECAST LOW PRES OVER LAND NEAR 27N82W. FROM 24N
TO 30N W OF 74W SE WINDS 20 TO 30 KT. SEAS TO 9 FT.

.CARIBBEAN S OF 17N W OF 85W E WINDS 20 TO 25 KT. SEAS LESS THAN
8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO COLD FRONT FROM 30N90W TO 20N96W. WITHIN 30 NM
W OF FRONT NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST COLD FRONT FROM 29N88W TO 18.5N93W. FROM 24N
TO 28N W OF 93W W TO NW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST COLD FRONT FROM LOW PRES NEAR 29N85W 1011 MB
TO 21N87W. FROM 23N TO 26N BETWEEN 93W AND 95W WINDS 20 KT OR
LESS. SEAS 8 FT IN W SWELL.
.48 HOUR LOW PRES OVER LAND. WINDS 20 KT OR LESS. SEAS LESS THAN
8 FT.

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

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.


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