000
FZNT01 KWBC 230934
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SUN APR 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 23
24 HOUR FORECAST VALID 0600 UTC APR 24
48 HOUR FORECAST VALID 0600 UTC APR 25

.WARNINGS.

...STORM WARNING...
.LOW 51N50W 1007 MB MOVING NW 30 KT. OVER ICE FREE FORECAST
WATERS WITHIN 180 NM NW OF A FRONT FROM 58N37W TO 56N47W TO
55N50W WINDS 25 TO 35 KT. SEAS 9 TO 12 FT.
.06 HOUR FORECAST LOW 54N52W 1005 MB. FROM 58N TO 60N BETWEEN
44W AND 49W WINDS 40 TO 50 KT. SEAS 14 TO 17 FT.
.24 HOUR FORECAST LOW 61N58W 992 MB. FRONT TO EXTEND FROM LOW
CENTER TO 59N47W TO 49N45W. WITHIN 120 NM NE OF A LINE FROM
62N55W TO 59N47W WINDS 45 TO 60 KT. SEAS 16 TO 32 FT. ELSEWHERE
WITHIN 180 NM NE AND E OF THE FRONT WINDS 30 TO 45 KT. SEAS 9 TO
18 FT.
.48 HOUR FORECAST LOW DISSIPATED. NE AND E OF A FRONT TO EXTEND
FROM 60N42W TO 56N39W TO 48N38W WINDS 25 TO 40 KT. SEAS 9 TO 17
FT.

...GALE WARNING...
.LOW 42N63W 1003 MB MOVING NE 25 KT. WITHIN 120 NM N...180 NM
NE...360 NM SE...300 NM SW...AND 240 NM W QUADRANTS...AND WITHIN
120 NM SE OF A FRONT FROM 39N46W TO 36N75W WINDS 20 TO 30 KT.
SEAS TO 9 FT.
.18 HOUR FORECAST LOW 44N53W 1004 MB. WITHIN 300 NM SW AND 240
NM W QUADRANTS WINDS 25 TO 35 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 45N50W 1005 MB. WITHIN 540 NM SW QUADRANT
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW DISSIPATED. WITHIN AN AREA BOUNDED BY A
LINE FROM 46N40W TO 40N51W TO 33N47W TO 46N40W AREA OF N WINDS
20 TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.LOW 38N44W 996 MB MOVING SE 15 KT. OVER FORECAST WATERS WITHIN
540 NM NE...600 NM SE...540 NM SW...AND 360 NM NW QUADRANTS
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.18 HOUR FORECAST LOW 34N41W 1003 MB. WITHIN 300 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 34N39W 1002 MB. WITHIN 180 NM S AND 480 NM
SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS S OF AREA.

...GALE WARNING...
.24 HOUR FORECAST LOW INLAND 33N81W 1006 MB. OVER FORECAST
WATERS FROM 31N TO 34N W OF 74W WINDS TO 25 KT. SEAS LESS THAN 8
FT.
.36 HOUR FORECAST LOW INLAND 34N80W 1005 MB. FROM 31N TO 35N
BETWEEN 70W AND 79W WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW INLAND 34N78W 1001 MB. WITHIN 240 NM NE
AND E OF A FRONT TO EXTEND FROM 35N76W TO 35N74W TO 31N73W WINDS
25 TO 35 KT. SEAS 8 TO 14 FT.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST LOW 59N58W 991 MB. OVER ICE FREE FORECAST
WATERS WITHIN 360 NM E AND 660 NM SE QUADRANTS WINDS 20 TO 30
KT. SEAS TO 11 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER ICE FREE
FORECAST WATERS WITHIN AN AREA BOUNDED BY A LINE FROM 58N35W TO
54N54W TO 42N48W TO 55N35W.
.24 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE
FROM 59N35W TO 58N48W TO 42N50W TO 52N35W.
.48 HOUR FORECAST DENSE FOG WITHIN 240 NM NE OF A LINE FROM
61N42W TO 51N37W.

.24 HOUR FORECAST HIGH 41N67W 1021 MB.
.48 HOUR FORECAST HIGH 42N57W 1029 MB.

.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 SUN APR 23.
24 HOUR FORECAST VALID 0600 UTC MON APR 24.
48 HOUR FORECAST VALID 0600 UTC TUE APR 25.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC 18 HOUR FORECAST WITHIN 180 NM E OF A LINE FROM 31N80W TO
25N75W TO 21N71W SE WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST N OF 29N BETWEEN 72W AND 75W SW WINDS 25 TO 35
KT. SEAS BUILDING 9 TO 12 FT. ELSEWHERE E OF A LINE FROM 31N78W
TO 25N74W TO 19N67W TO ANOTHER LINE FROM 31N70W TO 27N68W TO
22N66W TO 19N65W SE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.42 HOUR FORECAST COLD FRONT FROM 31N77W TO 23N81W. E OF A LINE
FROM 31N74W TO 27N73W TO 20N67W TO ANOTHER LINE FROM 31N68W TO
27N67W TO 20N65W SE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT...HIGHEST
N OF 29N.
.48 HOUR FORECAST COLD FRONT FROM 31N76W TO 23N88W. E OF A LINE
FROM 31N73W TO 27N72W TO 20N66W TO 65W SE WINDS 20 TO 25 KT...
EXCEPT 25 TO 30 KT N OF 27N W OF 70W. SEAS 8 TO 9 FT...EXCEPT
9 TO 12 FT N OF 27N W OF 70W.

.SYNOPSIS AND FORECAST.

.ATLC N OF 27N E OF 45W SW TO W WINDS 20 TO 25 KT...EXCEPT
W TO NW W OF 41W. SEAS 10 TO 13 FT. ELSEWHERE E OF 60W TO A LINE
FROM 25N35W TO 17N50W TO 18N60W WINDS 20 KT OR LESS. SEAS 8 TO
10 FT IN NW TO N SWELL.
.24 HOUR FORECAST N OF 28N E OF 46W SW TO W WINDS 20 TO 25 KT...
EXCEPT W TO NW W OF 40W. SEAS 9 TO 13 FT. ELSEWHERE E OF LINE
31N49W TO 24N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW TO N
SWELL.
.36 HOUR FORECAST N OF 26N E OF 45W W TO NW WINDS 20 TO 25 KT.
SEAS 8 TO 11 FT IN NW SWELL.
.48 HOUR FORECAST N OF 25N E OF 42W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN NW SWELL.

.GULF OF MEXICO COLD FRONT FROM 30N89W TO 26N97W. NW OF FRONT N
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST COLD FRONT FROM 30N86W TO 24N96W TO 21N97W. S
OF 27N W OF FRONT NW TO N WINDS 25 TO 30 KT. SEAS TO 8 FT.
ELSEWHERE W OF FRONT NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 30N82W TO 25N86W TO 19N92W.
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.