High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 202205
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC MON FEB 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC FEB 20
24 HOUR FORECAST VALID 1800 UTC FEB 21
48 HOUR FORECAST VALID 1800 UTC FEB 22

.WARNINGS.

...STORM WARNING...
.OVER ICE FREE FORECAST WATERS FROM 56N TO 63N W OF 44W WINDS 20
TO 30 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST LOW 63N36W 987 MB. WITHIN 360 NM S QUADRANT
WINDS 25 TO 40 KT. SEAS 14 TO 21 FT. ELSEWHERE N OF 55W W OF 35W
WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.
.48 HOUR FORECAST LOW 63N36W 976 MB. WITHIN 300 NM SW QUADRANT
AND WITHIN 90 NM E OF THE GREENLAND COAST N OF 63N WINDS 40 TO
55 KT. SEAS 18 TO 28 FT. ELSEWHERE N OF 53N BETWEEN 35W AND 49W
WINDS 25 TO 40 KT. SEAS 10 TO 21 FT.

...STORM WARNING...
.LOW 41N55W 1006 MB MOVING SE 10 KT. FRONT EXTENDS FROM 52N35W
TO 44N50W TO 34N64W. WITHIN 240 NM E OF THE FRONT WINDS 20 TO 30
KT. SEAS 10 TO 16 FT.
.24 HOUR FORECAST LOW 36N54W 1000 MB. WITHIN 360 NM N SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 9 TO 14 FT. ELSEWHERE FROM 31N TO 46N
BETWEEN 70W AND 45W AND WITHIN 240 NM S OF FRONT TO EXTEND FROM
49N35W TO 46N46W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW 36N54W 987 MB. WITHIN 300 NM S AND W
SEMICIRCLES...AND FROM 31N TO 40N BETWEEN 48W AND 43W WINDS 40
TO 50 KT. SEAS 14 TO 24 FT. ELSEWHERE N OF 31N WITHIN 540 NM OF
LOW EXCEPT WITHIN 780 NM E AND NE QUADRANTS WINDS 25 TO 40 KT.
SEAS 10 TO 18 FT.

...GALE WARNING...
.LOW 44N39W 1014 MB MOVING NE 15 KT. FROM 35N TO 48N BETWEEN 35W
AND 38W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS MOVED E OF AREA.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
NW AND W OF A LINE FROM 57N58W TO 64N52W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW AND W OF A
LINE FROM 55N55W TO 62N49W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW AND W OF A
LINE FROM 53N53W TO 59N46W.

.SYNOPSIS AND FORECAST.

.LOW E OF AREA 64N32W 989 MB MOVING SE 20 KT. OVER ICE FREE
FORECAST WATERS WITHIN 180 NM SW QUADRANT WINDS TO 25 KT. SEAS 9
TO 12 FT.
.24 HOUR FORECAST LOW AND CONDITIONS MOVED E OF AREA.

.LOW E OF AREA 59N32W 988 MB MOVING NE 40 KT AND RAPIDLY
INTENSIFYING. OVER FORECAST WATERS FROM 51N TO 59N BETWEEN 35W
AND 40W WINDS 20 TO 30 KT. SEAS 12 TO 16 FT.
.24 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS FROM 51N TO 56N BETWEEN 35W AND 39W.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM OF 42N47W.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM OF 42N47W.

.HIGH 33N41W 1021 MB MOVING NE 20 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST HIGH 41N72W 1027 MB.
.48 HOUR FORECAST HIGH 34N72W 1020 MB.

.48 HOUR FORECAST HIGH 41N67W 1022 MB.

.48 HOUR FORECAST HIGH 46N57W 1020 MB.

.FORECASTER MUSONDA. 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 MON FEB 20.
24 HOUR FORECAST VALID 1800 UTC TUE FEB 21.
48 HOUR FORECAST VALID 1800 UTC WED FEB 22.

.WARNINGS.

..ATLC COLD FRONT FROM LOW PRES NEAR 29.5N68W 1011 MB TO 23N68W
TO
21.5N77W. FROM 26N TO 28N BETWEEN 70W AND 73W N WINDS 20 TO 25
KT. SEAS TO 8 FT.
.12 HOUR FORECAST STATIONARY FRONT FROM 31N64W TO LOW PRES NEAR
25N64W 1011 MB THEN COLD FRONT 19N68W. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N57W TO 19N65W. N OF 24N E
OF FRONT TO 47W SW WINDS 20 TO 30 KT. SEAS 8 FT. N OF 26N W OF
FRONT TO 70W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT.
.30 HOUR FORECAST COLD FRONT FROM 31N54W TO 19N63W. N OF 29N
BETWEEN 50W AND 52W SW WINDS 30 TO 35 KT. SEAS 11 FT. ELSEWHERE N
OF 25N E OF FRONT 46W S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
N OF 26N W OF FRONT TO 28N NW TO N WINDS 20 TO 25 KT. SEAS 8 TO
13 FT IN NW SWELL.
.48 HOUR FORECAST COLD FRONT COLD FRONT 31N48W TO 18N61W. N OF
29N WITHIN 60 NM E OF FRONT S TO SW WINDS 30 TO 35 KT. SEAS 13
TO 17 FT. ELSEWHERE N OF 25N E OF FRONT TO 42W S TO SW WINDS 20
TO 30 KT. SEAS 8 TO 13 FT. N OF 28N W OF FRONT TO 64W W TO NW
WINDS 20 TO 30 KT. SEAS 12 TO 18 FT IN NW SWELL. ELSEWHERE N OF
24N W OF FRONT TO 69W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW
SWELL.

.SYNOPSIS AND FORECAST.

.ATLC N OF 27N E OF 40W WINDS 20 KT OR LESS. SEAS 8 FT IN NW
SWELL.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8
FT.

.CARIBBEAN 06 HOUR FORECAST S OF 18N W OF 85W E WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO 06 HOUR FORECAST COLD FRONT FROM 30N93W TO
19N95W.
.18 HOUR FORECAST COLD FRONT FROM 29N90W TO 18.5N93W. S OF 21N W
OF 95W NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 30N87W TO 19N92W. SECOND FRONT
FROM 30N94W TO 24N93W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO COLD FRONT FROM 30N93W TO 19N95W. FROM 22N TO
24N W OF 96W N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST COLD FRONT FROM 29N90W TO 18.5N93W. SECOND
FRONT ALONG COAST OF TEXAS. FROM 26N TO 28N W OF 96W SW TO W
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 30N87W TO 19N92W. SECOND FRONT
FROM 30N94W TO 24N93W. W OF SECOND FRONT NW WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.36 HOUR FORECAST COLD FRONT FROM 30N87W TO 22N87W. SECOND FRONT
DISSIPATED. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM LOW PRES NEAR 28N85W 1011 MB TO
23N83W. N OF 28N E OF 85W E WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.

.SCATTERED MODERATE TO ISOLATED STRONG FROM 21N TO 24N BETWEEN
58W AND 66W.

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

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.


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