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Marine Forecast
Expires:No;;870894
FZNT01 KWBC 240335
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
0430 UTC FRI NOV 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0000 UTC NOV 24 
24 HOUR FORECAST VALID 0000 UTC NOV 25 
48 HOUR FORECAST VALID 0000 UTC NOV 26 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.LOW 52N54W 984 MB MOVING NW 25 KT. WITHIN 300 NM S AND 360 NM E 
QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 18 FT. ELSEWHERE WITHIN 
420 NM S AND SW AND 480 NM E QUADRANTS WINDS 20 TO 30 KT. SEAS 8 
TO 16 FT.
.12 HOUR FORECAST LOW 58N55W 980 MB. WITHIN 90 NM SW OF A LINE 
FROM 63N52W TO 60N46W WINDS 50 TO 65 KT. SEAS 18 TO 30 FT.  
.24 HOUR FORECAST LOW 62N60W 972 MB. FRONT TO EXTEND FROM 61N42W 
TO 56N39W TO 50N41W TO 40N47W. WITHIN 60 NM S OF A LINE FROM 
63N54W TO 62N49W WINDS 50 TO 65 KT. SEAS 20 TO 33 FT. ALSO 
WITHIN 180 NM NE AND E OF FRONT N OF 46N AND 180 NM SW AND 300 
NM E QUADRANTS WINDS 35 TO 50 KT. SEAS 16 TO 28 FT. ELSEWHERE N 
OF 47N W OF 43W AND WITHIN 240 NM NE AND E OF FRONT WINDS 25 TO 
40 KT. SEAS 10 TO 21 FT. 
.48 HOUR FORECAST LOW INLAND 65N70W 983 MB. WITHIN 300 NM S AND 
SE QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. 

Storm Warning - ... 
.FRONT EXTENDS FROM 67N60W TO 62N54W TO 58N51W. WITHIN 120 NM E 
OF A LINE FROM 63N55W TO 59N50W WINDS 40 TO 50 KT. SEAS 14 TO 21 
FT. ALSO WITHIN 120 NM E OF A LINE FROM 63N42W TO 57N39W TO 
46N38W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.  
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 62N60W ABOVE.

Storm Warning - ... 
.48 HOUR FORECAST NEW LOW 62N42W 994 MB. OVER FORECAST WATERS N 
OF 64N E OF GREENLAND AND BETWEEN 90 NM AND 240 NM S QUADRANT 
WINDS 40 TO 50 KT. SEAS 14 TO 26 FT. ELSEWHERE N OF 53N E OF 46W 
WINDS 25 TO 40 KT. SEAS 11 TO 19 FT.  

Gale Warning - ... 
.LOW 33N60W 1008 MB MOVING NE 20 KT. WITHIN 180 NM E QUADRANT 
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE FROM 31N TO 37N 
BETWEEN 52W AND 60W AND WITHIN 180 NM E OF A FRONT FROM 45N50W 
TO 37N58W WINDS 20 TO 30 KT. SEAS TO 10 FT. 
.24 HOUR FORECAST LOW 37N51W 1012 MB. FORM 30N TO 40 N BETWEEN 
47W AND 53W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. 
.48 HOUR FORECAST LOW 38N46W 1010 MB. WITHIN 120 NM N AND 180 NM 
E QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE FROM 
32N TO 42N BETWEEN 41W AND 49W WINDS 20 TO 30 KT. SEAS TO 11 FT. 

Gale Warning - ... 
.LOW E OF AREA NEAR 33N32W 1000 MB MOVING SE 15 KT. OVER 
FORECAST WATERS WITHIN 300 NM W AND NW QUADRANTS WINDS 25 TO 40 
KT. SEAS 12 TO 24 FT. ELSEWHERE FROM 31N TO 43N E OF 42W WINDS 
20 TO 30  KT. SEAS 10 TO 17 FT. 
.24 HOUR FORECAST LOW E OF AREA NEAR 32N26W 1001 MB. FROM 31N TO 
41N E OF 41W WINDS TO 25 KT. SEAS 8 TO 14 FT. 
.48 HOUR FORECAST LOW WELL E OF AREA. FROM 31N TO 40N E OF 40W 
WINDS LESS THAN 25 KT. SEAS 8 TO 11 FT. 

Gale Warning - ...
.OVER FORECAST WATERS FROM 31N TO 34N W OF 74W WINDS 25 TO 35 
KT. SEAS TO 11 FT. 
.24 HOUR FORECAST LOW 34N67W 1011 MB. FROM 31N TO 35N BETWEEN 
64W AND 72W WINDS 20 TO 30 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST LOW 39N61W 1003 MB. FROM 31N TO 40N BETWEEN 
56W AND 64W WINDS 25 TO 35 KT. SEAS TO 12 FT.

Gale Warning - ...
.48 HOUR FORECAST LOW 55N57W 995 MB. WITHIN 360 NM E AND 480 NM 
S QUADRANTS WINDS 25 TO 35 KT. SEAS TO 12 FT. 

...HEAVY FREEZING SPRAY WARNING... 
.LIGHT TO MODERATE FREEZING SPRAY W OF A LINE FROM 57N60W TO 
64N60W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE 
FROM 55N57W TO 63N62W. 
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W OF A LINE 
FROM 57N58W TO 64N60W. 

.SYNOPSIS AND FORECAST. 

.48 HOUR FORECAST FROM 40N TO 50N BETWEEN 52W AND 61W WINDS 20 
TO 30 KT. SEAS TO 10 FT. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 55N TO 58N 
BETWEEN 48W AND 53W. 
.24 HOUR FORECAST DENSE FOG FROM 53N TO 56N BETWEEN 39W AND 41W. 
.48 HOUR FORECAST CONDITIONS IMPROVED. 

.HIGH 35N47W 1022 MB MOVING NE 15 KT. 
.24 HOUR FORECAST HIGH 39N39W 1024 MB. 
.48 HOUR FORECAST HIGH DISSIPATED. 

.24 HOUR FORECAST HIGH 41N63W 1019 MB.
.48 HOUR FORECAST HIGH 48N44W 1025 MB. 

.FORECASTER KOSIER. 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 0000 UTC FRI NOV 24.
24 HOUR FORECAST VALID 0000 UTC SAT NOV 25.
48 HOUR FORECAST VALID 0000 UTC SUN NOV 26.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC DISSIPATING COLD FRONT FROM 22N35W TO 21N40W. N OF 29N E OF
38W NW TO N WINDS 30 TO 35 KT. SEAS 17 TO 20 FT IN NW SWELL.
ELSEWHERE WITHIN AREA BOUNDED BY 29N35W TO 31N37W TO 31N40W TO
29N40W TO 27N38W TO 27N35W TO 29N35W NW TO N WINDS 20 TO 30 KT. 
SEAS 11 TO 17 FT IN MIXED SE AND NW SWELL. REMAINDER OF AREA 
BOUNDED BY 28N39W TO 31N40W TO 31N48W TO 27N44W TO 24N35W TO 
26N35W TO 28N39W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SE
AND NW SWELL.
.12 HOUR FORECAST COLD FRONT DISSIPATED. WITHIN AREA BOUNDED BY
31N38W TO 31N35W TO 27N35W TO 31N38W NW TO N WINDS 20 TO 30 KT.
SEAS 14 TO 19 FT IN NW SWELL. ELSEWHERE WITHIN AREA BOUNDED BY
31N50W TO 31N35W TO 22N35W TO 25N45W TO 31N50W WINDS 20 KT OR
LESS. SEAS 8 TO 14 FT IN MIXED SE AND NW SWELL...HIGHEST NE PART.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 31N35W TO 31N50W TO 
23N47W TO 20N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 15 FT
IN MIXED SE AND NW SWELL...HIGHEST NEAR 30N35W.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 31N35W TO 31N48W TO 
23N48W TO 21N53W TO 14N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 
TO 11 FT IN MIXED NE...SE AND NW SWELL.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N79W TO 29N81W. W OF FRONT NE WINDS 20 TO
25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST STATIONARY FRONT FROM 31N76W TO LOW PRES NEAR
30N78W 1010 MB THEN COLD FRONT TO 27N80W. CONDITIONS IMPROVE. 
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC COLD FRONT FROM 31N60W TO 26N65W. N OF 28N WITHIN 180 NM E
OF FRONT S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT...HIGHEST
NEAR 31N59W. WITHIN AREA BOUNDED BY 31N61W TO 31N65W TO 30N64W 
TO 28N62W TO 29N60W TO 31N61W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN MIXED SE AND SW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N53W TO 26N61W. CONDITIONS
MERGE.

.CARIBBEAN 18 HOUR FORECAST FROM 12N TO 15N WITHIN 60 NM OF COAST
OF NICARAGUA N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.GULF OF MEXICO COLD FRONT FROM 24.5N82.5W TO 21.5N87.5W. S OF
20N W OF 95W NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
ELSEWHERE WITHIN AREA BOUNDED BY 23N89W TO 26N88W TO 21N96W TO 
19N96W TO 19N93W TO 23N89W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN
N SWELL.
.12 HOUR FORECAST COLD FRONT FROM 25N82W TO 21.5N86.5W. 
CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.


 

 


US Forecasts are Public Domain and derived from the National Weather Service - (IWIN)
and the National Oceanic Atmospheric Administration (NOAA)
All weather information provided here should be used with caution.
We cannot guarantee that the data provided here is 100% accurate or up to date!


Sandy Bay Yacht Club, P.O. Box 37, 5 T Wharf, Rockport, MA 01966  USA
(978)546-9433 Clubhouse, (978)546-6240 Office

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