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High Seas Forecast Resources
FZNT01 KWBC 201544 HSFAT1


HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC MON NOV 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC NOV 20
24 HOUR FORECAST VALID 1200 UTC NOV 21
48 HOUR FORECAST VALID 1200 UTC NOV 22

.
WARNINGS




... STORM WARNING ... .OVER FORECAST WATERS WITHIN 240 NM OF THE GREENLAND COAST S OF 62N BETWEEN 52W AND 40W WINDS 40 TO 50 KT. SEAS 18 TO 33 FT. ELSEWHERE FROM 50N TO 64N W OF 35W WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST...   NEW LOW 56N60W 987 MB. WITHIN 300 NM NE OF A LINE FROM 54N47W TO 60N64W WINDS 40 TO 60 KT. SEAS 22 TO 35 FT. ELSEWHERE N OF A LINE FROM 52N35W TO THE LOW TO 60N65W WINDS 25 TO 40 KT. SEAS 15 TO 26 FT.
.48 HOUR FORECAST...   LOW DISSIPATED. WITHIN 180 NM N AND NE OF A LINE FROM 56N53W TO 63N61W WINDS 25 TO 40 KT. SEAS 14 TO 26 FT. ELSEWHERE WITHIN 420 NM N AND NE OF A LINE FROM 53N35W TO 53N51W TO 60N64W WINDS 20 TO 30 KT. SEAS 12 TO 21 FT.


... STORM WARNING ...
.24 HOUR FORECAST...   NEW LOW 46N44W 997 MB. WITHIN 300 NM S QUADRANT WINDS 40 TO 50 KT. SEAS 14 TO 26 FT. ELSEWHERE FROM 34N TO 47N BETWEEN 64W AND 39W WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST...   LOW 48N43W 991 MB. WITHIN 360 NM SW QUADRANT AND WITHIN 360 NM NE OF A LINE FROM 57N54W TO 62N62W WINDS 40 TO 55 KT. SEAS 20 TO 36 FT. ELSEWHERE WITHIN 660 NM SW AND 480 NM NE SEMICIRCLES WINDS 25 TO 40 KT. SEAS 8 TO 17 FT.


... STORM WARNING ...
.24 HOUR FORECAST...   LOW 43N52W 1004 MB. WITHIN 240 NM S QUADRANT WINDS 40 TO 50 KT. SEAS 15 TO 19 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 780 NM W AND SW AND 480 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 17 FT.
.48 HOUR FORECAST...   LOW 49N41W 991 MB. WITHIN 360 NM SW QUADRANT AND WITHIN 360 NM NE OF A LINE FROM 57N54W TO 62N62W WINDS 40 TO 50 KT. SEAS 20 TO 36 FT. ELSEWHERE WITHIN 960 NM S AND SW...1200 NM NW...AND 900 NM NE QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 17 FT.


... GALE WARNING ... .LOW INLAND NEAR 54N65W 980 MB MOVING NW 25 KT. FRONT EXTENDS FROM 47N56W TO 40N58W TO 31N68W. OVER FORECAST WATERS WITHIN 240 NM SE OF THE FRONT WINDS 35 TO 45 KT. SEAS 12 TO 20 FT. ELSEWHERE WITHIN 480 NM E AND 600 NM W OF THE FRONT WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST...   LOW DISSIPATED INLAND AND CONDITIONS DESCRIBED WITH NEW LOW 46N44W ABOVE.


... GALE WARNING ... .LOW 48N35W 985 MB MOVING SE 15 KT. OVER FORECAST WATERS WITHIN 660 NM W AND SW QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST...   LOW AND CONDITIONS E OF AREA.


... GALE WARNING ...
.48 HOUR FORECAST...   OVER FORECAST WATERS W OF A LINE FROM 44N63W TO 37N64W TO 31N57W WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.

SYNOPSIS AND FORECAST...
.

.LIGHT TO MODERATE FREEZING SPRAY N OF 63N W OF GREENLAND.
.24 HOUR FORECAST...   CONDITIONS IMPROVING.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM OF 45N52W...AND WITHIN 120 NM NE OF A LINE FROM 59N61W TO 53N54W.
.24 HOUR FORECAST...   DENSE FOG WITHIN 180 NM NE OF A LINE FROM 61N65W TO 56N59W.
.48 HOUR FORECAST...   CONDITIONS IMPROVED.

.HIGH 33N48W 1021 MB DRIFTING S.
.24 HOUR FORECAST...   HIGH S OF AREA.


.24 HOUR FORECAST...   HIGH 36N65W 1027 MB.
.48 HOUR FORECAST...   HIGH 38N57W 1030 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 1200 UTC MON NOV 20.
24 HOUR FORECAST VALID 1200 UTC TUE NOV 21.
48 HOUR FORECAST VALID 1200 UTC WED NOV 22.

.
WARNINGS



.NONE.

SYNOPSIS AND FORECAST...
.


.ATLC...   COLD FRONT FROM 31N31W TO 21N52W. WITHIN 90 NM N OF FRONT BETWEEN 37W AND 49W NE WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE WITHIN 250 NM N OF FRONT BETWEEN 43W AND 55W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST...   DISSIPATING COLD FRONT FROM LOW PRES NEAR 24N36W 1012 MB TO 21N41W. FROM 20N TO 25N BETWEEN 35W AND 37 AND BETWEEN 44W AND 57W NE WINDS 20 TO 25 KT. SEAS TO 10 FT. ELSEWHERE FROM 20N TO 25N BETWEEN 36W AND 57W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST...   TROUGH FROM 24N39W TO 19N40W. FROM 23N TO 25N BETWEEN 39W AND 47W WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE FROM 22N TO 26W BETWEEN 38W AND 47W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.


.ATLC...  
12 HOUR FORECAST...  
COLD FRONT FROM 31N60W TO 29N63W. FROM 27N TO 29N BETWEEN 68W AND 78W NE WINDS 20 TO 25 KT. SEAS TO 9 FT. N OF 30N BETWEEN 63W AND 67W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST...   WEAKENING COLD FRONT FROM 31N54W TO 29N57W. FROM 25N TO 30N BETWEEN 61W AND 77W NE WINDS 20 TO 25 KT. SEAS 9 TO 11 FT...HIGHEST NEAR 28N70W. ELSEWHERE N OF 25N BETWEEN 62W AND 78W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST...   FRONT DISSIPATED. N OF 19N BETWEEN 54W AND 71W E TO SE WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. ELSEWHERE N OF 18N BETWEEN 50W TO 74W AND N OF 29N BETWEEN 41W AND 50W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.

.GULF OF MEXICO...   COLD FRONT FROM 25N80W TO 22N89W THEN STATIONARY TO 18N94W. S OF 20N AND W OF 94W NE WINDS 20 TO 25 KT. SEAS TO 10 FT. ELSEWHERE S OF 23N AND W OF 92W WINDS 20 KT OR LESS. SEAS TO 9 FT IN N SWELL.
.12 HOUR FORECAST...  
WEAKENING STATIONARY FRONT FROM 25N82W TO 20N94W TO 18.5N93W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



.

FORECASTER ERA. NATIONAL HURRICANE CENTER.

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