High Seas Forecast
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000 FZNT01 KWBC 201010 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC WED SEP 20 2017 CCODE/2:31:04:11:00/AOW+AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). ATLANTIC ICEBERG ANALYSIS AND OUTLOOK PRODUCTS...COURTESY OF THE U.S. COAST GUARD INTERNATIONAL ICE PATROL...CAN BE FOUND ON THE OCEAN PREDICTION CENTER WEB PAGE AT HTTP://WWW.OPC.NCEP.NOAA.GOV/ATL_TAB.SHTML(LOWERCASE). PAN PAN NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W SYNOPSIS VALID 0600 UTC SEP 20 24 HOUR FORECAST VALID 0600 UTC SEP 21 48 HOUR FORECAST VALID 0600 UTC SEP 22 .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM JOSE NEAR 38.4N 70.3W 975 MB AT 0900 UTC SEP 20 MOVING NE OR 040 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM OF CENTER EXCEPT 200 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM E SEMICIRCLE...AND 270 NM SW AND 180 NM NW QUADRANTS WITH SEAS TO 30 FT. ELSEWHERE FROM 32N TO 43N BETWEEN 59W AND 75W WINDS 20 TO 33 KT. SEAS TO 12 FT. .24 HOUR FORECAST TROPICAL STORM JOSE NEAR 39.6N 68.1W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM S SEMICIRCLE...AND 150 NM NE AND 180 NM NW QUADRANTS. SEAS 12 FT OR GREATER WITHIN 300 NM SE AND 240 NM NW SEMICIRCLES WITH SEAS TO 27 FT. ELSEWHERE FROM 34N TO 45N BETWEEN 58W AND 73W WINDS 20 TO 33 KT. SEAS TO 12 FT. .48 HOUR FORECAST POST-TROPICAL CYCLONE JOSE NEAR 39.2N 68.3W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE AND SW...160 NM NW AND 130 NM SE QUADRANTS. SEAS 12 FT OR GREATER WITHIN 240 NM OF CENTER WITH SEAS TO 23 FT. ELSEWHERE FROM 35N TO 45N BETWEEN 60W AND 74W WINDS 20 TO 33 KT. SEAS TO 12 FT. .72 HOUR FORECAST POST-TROPICAL CYCLONE JOSE NEAR 38.9N 69.4W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST POST-TROPICAL CYCLONE JOSE NEAR 39.2N 69.5W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. .120 HOUR FORECAST POST-TROPICAL CYCLONE JOSE NEAR 39.5N 68.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. ...STORM WARNING... .24 HOUR FORECAST NEW LOW 46N53W 1007 MB. WITHIN 180 NM S SEMICIRCLE WINDS 20 TO 30 KT. SEAS 9 FT. .36 HOUR FORECAST LOW 48N41W 995 MB. WITHIN 300 NM E SEMICIRCLE...AND 480 NM W AND SW QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 16 FT. .48 HOUR FORECAST LOW 51N35W 976 MB. WITHIN 360 NM SW QUADRANT WINDS 35 TO 50 KT. SEAS 14 TO 22 FT. ALSO WITHIN 660 NM S AND SW...AND 300 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 20 FT. ELSEWHERE FROM 36N TO 56N BETWEEN 35W AND 51W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT. ...GALE WARNING... .LOW E OF AREA 59N32W 1000 MB MOVING SE 15 KT. FROM 59N TO 64N BETWEEN 39W AND 43W N WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 660 NM S AND SW...AND 420 NM NW QUADRANTS WINDS TO 25 KT. SEAS 8 TO 13 FT. .24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA. ...GALE WARNING... .FROM 46N TO 52N BETWEEN 43W AND 60W SW WINDS 20 TO 30 KT. SEAS TO 9 FT. .12 HOUR FORECAST NEW LOW 52N44W 1008 MB. WITHIN 240 NM S SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. .24 HOUR FORECAST LOW E OF AREA 51N31W 1003 MB. FROM 45N TO 51N BETWEEN 35W AND 40W W WINDS 25 TO 35 KT. SEAS 9 TO 17 FT. .36 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA. ...GALE WARNING... .24 HOUR FORECAST NEW LOW 53N44W 1004 MB. FROM 46N TO 51N BETWEEN 40W AND 50W W TO SW WINDS 25 TO 35 KT. SEAS 8 TO 16 FT. .48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 51N35W DESCRIBED IN STORM WARNING ABOVE. ...GALE WARNING... .24 HOUR FORECAST LOW E OF AREA 63N28W 984 MB. FROM 61N TO 66N BETWEEN 35W AND 37W N TO NW WINDS 25 TO 35 KT. SEAS 9 TO 17 FT. .48 HOUR FORECAST LOW E OF AREA 61N29W 985 MB. FROM 56N TO 66N BETWEEN 35W AND 42W N TO NE WINDS 20 TO 30 KT. SEAS 10 TO 18 FT. .SYNOPSIS AND FORECAST. .FROM 36N TO 40N BETWEEN 35W AND 45W E TO NE WINDS TO 25 KT. SEAS TO 10 FT. .24 HOUR FORECAST CONDITIONS DIMINISHED. .INLAND LOW 60N69W 1009 MB MOVING SE 25 KT. WINDS LESS THAN 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LOW 57N52W 1005 MB. OVER FORECAST WATERS N OF 54N W OF 54W WINDS 20 TO 30 KT. SEAS TO 10 FT. .48 HOUR FORECAST WITHIN 120 NM E OF A LINE FROM 57N50W TO 65N56W NW WINDS 20 TO 30 KT. SEAS TO 11 FT. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 300 NM W AND NW OF A LINE FROM 51N48W TO 47N59W TO 41N64W. .24 HOUR FORECAST DENSE FOG FROM 41N TO 50N BETWEEN 48W AND 69W. .48 HOUR FORECAST CONDITIONS IMPROVED. .HIGH 45N45W 1033 MB MOVING SE 20 KT. .24 HOUR FORECAST HIGH MOVED E OF AREA. .48 HOUR FORECAST NEW HIGH 35N53W 1019 MB. .48 HOUR FORECAST NEW HIGH 62N59W 1016 MB. .FORECASTER MILLS. 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 WED SEP 20. 24 HOUR FORECAST VALID 0600 UTC THU SEP 21. 48 HOUR FORECAST VALID 0600 UTC FRI SEP 22. .WARNINGS. ...ATLC AND CARIBBEAN HURRICANE WARNING... .HURRICANE MARIA NEAR 17.9N 65.6W 917 MB AT 0900 UTC SEP 20 MOVING NW OR 305 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 135 KT GUSTS 165 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NW AND SE QUADRANTS...130 NM NE QUADRANT AND 100 NM SW QUADRANT. WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER WITHIN 150 NM S SEMICIRCLE...180 NM NE QUADRANT AND 120 NM NW QUADRANT WITH SEAS TO 45 FT. ELSEWHERE ATLC WATERS FROM 20N TO 24N BETWEEN 60W AND 67W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT PRIMARILY IN SE SWELL. ELSEWHERE CARIBBEAN WATERS N OF 12N E OF 70W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN N SWELL. .24 HOUR FORECAST HURRICANE MARIA NEAR 19.5N 68.2W. MAXIMUM SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NW AND SE QUADRANTS...140 NM NE QUADRANT AND 110 NM SW QUADRANT. WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER IN 270 N AND 210 NM S SEMICIRCLE WITH SEAS TO 42 FT. ELSEWHERE ATLC WATERS FROM 22N TO 27N BETWEEN 61W AND 72W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN SE SWELL. ELSEWHERE S OF ATLC FROM 15N TO 17.5N BETWEEN 63W AND 70W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. N OF 27N BETWEEN 62W AND 72W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED NW AND SE SWELL. .48 HOUR FORECAST HURRICANE MARIA NEAR 21.5N 70.5W. MAXIMUM SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM E SEMICIRCLE...110 NM SW QUADRANT AND 130 NM NW QUADRANT. ELSEWHERE WITHIN 180 NM N AND 120 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 12 FT OR GREATER WITHIN 450 NM NE AND 120 NM S SEMICIRCLES WITH SEAS TO 41 FT IN MIXED SWELL. REMAINDER OF OPEN WATERS N OF 19N BETWEEN 60W AND 77W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. .72 HOUR FORECAST HURRICANE MARIA NEAR 24.2N 72.0W. MAXIMUM SUSTAINED WINDS 105 KT GUSTS 130 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE MARIA NEAR 27.3N 73.0W. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. .120 HOUR FORECAST HURRICANE MARIA NEAR 30.5N 73.0W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...ATLC GALE WARNING... .LOW PRES...REMNANT OF LEE...NEAR 18N45W 1008 MB. WITHIN 270 NM NE QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 21N49W 1012 MB. WITHIN 210 NM N SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST LOW PRES NEAR 27N48W 1014 MB. WITHIN 120 NM NE QUADRANT WINDS 20 TO 25 KT. SEAS 8 FT. .SYNOPSIS AND FORECAST. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ CONVECTION VALID AT 0930 UTC WED SEP 20... .HURRICANE MARIA...NUMEROUS STRONG WITHIN 90 NM OF CENTER. NUMEROUS MODERATE SCATTERED STRONG WITHIN ELSEWHERE WITHIN 150 NM OF CENTER. .LOW PRES NEAR 18N45W...NUMEROUS MODERATE SCATTERED STRONG FROM 18N TO 19N BETWEEN 42W AND 45W. .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

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