High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 231557
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU NOV 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

PAN PAN

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

SYNOPSIS VALID 1200 UTC NOV 23
24 HOUR FORECAST VALID 1200 UTC NOV 24
48 HOUR FORECAST VALID 1200 UTC NOV 25

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 48N61W 976 MB MOVING NE 25 KT. OVER FORECAST WATERS WITHIN
180 NM N AND 300 NM S SEMICIRCLES WINDS 45 TO 60 KT. SEAS 9 TO
19 FT. ELSEWHERE WITHIN 300 NM NW...360 NM NE...780 NM SE AND
480 NM SW QUADRANTS WINDS 30 TO 45 KT. SEAS 10 TO 20 FT. ALSO
WITHIN 420 NM NE...900 NM SE AND 780 NM SW QUADRANTS WINDS 20 TO
30 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW 57N56W 979 MB. OVER FORECAST WATERS
BETWEEN 120 NM AND 420 NM NE QUADRANT WINDS 40 TO 55 KT. SEAS 14
TO 28 FT. ELSEWHERE WITHIN 420 NM NW...540 NM NE...1020 NM SE
AND 180 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 21 FT.
ALSO WITHIN 780 NM NE...1140 NM SE AND 900 NM SW QUADRANTS WINDS
TO 25 KT. SEAS 8 TO 15 FT.
.30 HOUR FORECAST LOW 59N57W 973 MB. WITHIN 120 NM NE OF A LINE
FROM 61N56W TO 58N46W WINDS 50 TO 65 KT. SEAS 17 TO 34 FT.
.48 HOUR FORECAST LOW 63N62W 975 MB. OVER FORECAST WATERS WITHIN
300 NM E SEMICIRCLE AND SW QUADRANT WINDS 25 TO 40 KT. SEAS 10
TO 21 FT. ELSEWHERE WITHIN 120 NM NW AND 360 NM NE QUADRANTS
WINDS TO 25 KT. SEAS 8 TO 16 FT.

...STORM WARNING...
.48 HOUR FORECAST NEW LOW 59N43W 993 MB. WITHIN 360 NM NE AND
120 NM SW QUADRANTS WINDS 35 TO 50 KT. SEAS 14 TO 27 FT.
ELSEWHERE WITHIN 360 NM NE...780 NM SE AND 600 NM SW QUADRANTS
WINDS 25 TO 35 KT. SEAS 10 TO 21 FT. ALSO WITHIN 420 NM NE...960
NM SE AND 780 NM SW QUADRANTS WINDS TO 25 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.LOW 32N65W 1008 MB MOVING NE 20 KT. FROM 31N TO 33N BETWEEN 59W
AND 66W WINDS 25 TO 40 KT. SEAS 8 TO 13 FT. ELSEWHERE FROM 31N
TO 34N BETWEEN 54W AND 68W WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 34N56W 1010 MB
AND SECOND CENTER 40N52W 1009 MB. WITHIN 240 NM E OF A LINE FROM
42N49W TO SECOND CENTER TO FIRST CENTER TO 31N58W WINDS 25 TO 35
KT. SEAS 8 TO 16 FT. ELSEWHERE FROM 31N TO 42N BETWEEN 41W AND
60W WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 37N48W 1012 MB. FROM 31N TO 44N BETWEEN
37W AND 53W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

...GALE WARNING...
.OVER FORECAST WATERS WITHIN 240 NM NE OF A FRONT FROM 65N59W TO
62N54W TO 57N52W WINDS 25 TO 40 KT. SEAS 12 TO 20 FT.
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 57N56W ABOVE.

...GALE WARNING...
.LOW E OF AREA NEAR 37N34W 1000 MB MOVING SE 20 KT. OVER
FORECAST WATERS WITHIN 480 NM NW AND 660 NM SW QUADRANTS WINDS
25 TO 40 KT. SEAS 12 TO 24 FT. ELSEWHERE FROM 31N TO 51N E OF
48W WINDS TO 25 KT. SEAS 8 TO 18 FT.
.24 HOUR FORECAST LOW E OF AREA NEAR 31N28W 1001 MB. FROM 31N TO
40N E OF 40W WINDS 20 TO 30 KT. SEAS 10 TO 19 FT.
.48 HOUR FORECAST LOW WELL E OF AREA. FROM 31N TO 38N E OF 39W
WINDS TO 25 KT. SEAS 8 TO 13 FT.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY W OF A LINE FROM 59N62W TO
63N61W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W OF A LINE
FROM 56N58W TO 62N65W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 55N56W TO 60N63W.

.SYNOPSIS AND FORECAST.

.FROM 31N TO 34N BETWEEN 70W AND 81W WINDS TO 25 KT. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST LOW 32N75W 1010 MB. FROM 31N TO 36N BETWEEN
68W AND 81W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 35N67W 1009 MB. FROM 31N TO 39N BETWEEN
60W AND 78W WINDS 20 TO 30 KT. SEAS TO 8 FT.

.EXCEPT AS NOTED IN WARNINGS SECTION ABOVE FROM 51N TO 67N E OF
44W WINDS TO 25 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS SECTION ABOVE FROM
31N TO 50N E OF 60W WINDS TO 25 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS SECTION ABOVE FROM
31N TO 50N E OF 53W WINDS TO 25 KT. SEAS 8 TO 14 FT.

.48 HOUR FORECAST FROM 42N TO 51N BETWEEN 57W AND 71W WINDS 20
TO 30 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 47N
BETWEEN 57W AND 59W AND FROM 47N TO 50N BETWEEN 59W AND 62W.
.24 HOUR FORECAST DENSE FOG FROM 56N TO 59N BETWEEN 52W AND 57W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 36N50W 1023 MB MOVING E 15 KT.
.24 HOUR FORECAST HIGH 36N43W 1023 MB.
.48 HOUR FORECAST HIGH 36N39W 1024 MB.

.HIGH 61N63W 1008 MB DRIFTING E.
.24 HOUR FORECAST HIGH DISSIPATED.

.48 HOUR FORECAST HIGH 44N52W 1024 MB.

.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 THU NOV 23.
24 HOUR FORECAST VALID 1200 UTC FRI NOV 24.
48 HOUR FORECAST VALID 1200 UTC SAT NOV 25.

.WARNINGS.
...ATLC GALE WARNING...
.ATLC LOW PRES JUST NE OF AREA NEAR 31.5N64.5W 1008 MB WITH COLD
FRONT TO 27N67W. N OF 30N BETWEEN 60W AND 62W S TO SW WINDS 30
TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE N OF LINE FROM 31N59W TO
28N60W TO 26N64W AND E OF FRONT S TO SW WINDS 20 TO 30 KT. SEAS
8 TO 12 FT. W OF FRONT AND N OF LINE FROM 26N64W TO 31N70W WINDS
20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED NE AND SE SWELL.
.12 HOUR FORECAST LOW PRES N OF AREA NEAR 33N60W WITH COLD FRONT
TO 25N65W. N OF 28.5N E OF FRONT TO 57W S TO SW WINDS 20 TO 30
KT. SEAS 8 TO 12 FT. N OF 28.5N AND W OF FRONT TO 63W WINDS 20
KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N57W TO 25N63W. N OF 30N
BETWEEN 54W AND 58W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
MIXED SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO LOW PRES NEAR 29N84W 1012 MB WITH COLD FRONT TO
23N89W TO 18N92W. S OF 20N W OF 94W WITHIN 60 NM OF COAST OF
MEXICO NW WINDS 25 TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE W OF
COLD FRONT AND S OF 25N N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN
N TO NW SWELL.
.06 HOUR FORECAST LOW PRES E OF AREA NEAR 29N82W 1011 MB WITH
COLD FRONT TO 29N84W. S OF 21N W OF 94W NW TO N WINDS 20 TO 30
KT. SEAS 9 TO 11 FT. ELSEWHERE W OF FRONT AND S OF 24N NW TO N
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT IN N SWELL.
.18 HOUR FORECAST COLD FRONT FROM 27N82W TO 21N87W. WINDS 20 KT
OR LESS. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 28N35W TO 27N42W TO 27N47W THEN STATIONARY
FRONT TO 30N57W THEN WARM FRONT TO 31N59W. N OF 30N E OF 42W NW
TO W WINDS 20 TO 25 KT. SEAS 10 TO 12 FT. ELSEWHERE N OF FRONT
AND W OF 50W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN
NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 21N35W TO 21N43W THEN
WEAKENING STATIONARY FRONT TO 25N50W THEN WARM FRONT TO 31N52W.
N OF 27N E OF 37W NW WINDS 20 TO 30 KT. SEAS 14 TO 19 FT IN NW
SWELL. ELSEWHERE NE OF LINE FROM 23N35W TO 25N43W TO 28N47W TO
31N50W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 18N35W TO 19N45W. E OF LINE
FROM 17N35W TO 19N40W TO 24N46W TO 31N44W WINDS 20 KT OR LESS.
SEAS 8 TO 12 FT IN N SWELL...HIGHEST NE.

.ATLC LOW PRES NEAR 20N45W 1013 MB. FROM 20N TO 26N BETWEEN 44W
AND 51W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED NW AND NE
SWELL.
.12 HOUR FORECAST LOW DISSIPATED. WINDS 20 KT OR LESS. SEAS LESS
THAN 8 FT.

.ATLC 06 HOUR FORECAST LOW PRES NEAR 29N82W 1011 MB WITH
STATIONARY FRONT TO NEAR 31N79W. N OF 30N W OF FRONT NE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST LOW PRES 1011 MB NEAR 31N79W WITH COLD FRONT
TO 29N81W. W OF FRONT NE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N76W TO 28N81W. N OF FRONT
WINDS 20 KT OR LESS. SEAS TO 10 FT IN NE SWELL.
.36 HOUR FORECAST COLD FRONT FROM 31N75W TO 27N80W. WINDS 20 KT
OR LESS. SEAS LESS THAN 8 FT.

CARIBBEAN 36 HOUR FORECAST FROM 12N TO 14.5N W OF 82W N WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$

.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.


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