FZNT01 KWBC 310742 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC THU AUG 31 2023 CCODE/2:31:04:11:00/AOE+AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0000 UTC AUG 31. 24 HOUR FORECAST VALID 0000 UTC SEP 01. 48 HOUR FORECAST VALID 0000 UTC SEP 02. .WARNINGS. ...HURRICANE WARNING... .HURRICANE FRANKLIN NEAR 34.6N 64.5W 965 MB AT 0300 UTC AUG 31 MOVING ENE OR 060 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...150 NM SE QUADRANT...130 NM SW QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE...240 NM SE...240 NM SW...AND 300 NM NW QUADRANTS WITH SEAS TO 39 FT. ELSEWHERE FROM 31N TO 38N BETWEEN 60W AND 68W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST HURRICANE FRANKLIN NEAR 36.5N 59.0W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE AND SW QUADRANTS...100 NM NW QUADRANT AND 150 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM OF CENTER...EXCEPT 330 NM NE QUADRANT WITH SEAS TO 36 FT. ELSEWHERE FROM 32N TO 40N BETWEEN 52W AND 65W WINDS 20 TO 33 KT. SEAS TO 12 FT. .48 HOUR FORECAST HURRICANE FRANKLIN NEAR 39.2N 52.3W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM OF CENTER EXCEPT 160 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM OF CENTER WITH SEAS TO 32 FT. ELSEWHERE FROM 35N TO 45N BETWEEN 44W AND 64W WINDS 20 TO 33 KT. SEAS TO 12 FT. .60 HOUR FORECAST TROPICAL STORM FRANKLIN NEAR 41.0N 49.1W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. .72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FRANKLIN NEAR 42.7N 46.3W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FRANKLIN NEAR 45.9N 41.2W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. .120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FRANKLIN NEAR 50.1N 35.5W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. ...TROPICAL STORM WARNING... .TROPICAL STORM IDALIA NEAR 33.0N 80.0W 987 MB AT 0300 UTC AUG 31 MOVING NE OR 045 DEG AT 18 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM W SEMICIRCLE...140 NM NE QUADRANT AND 180 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM OF CENTER EXCEPT 180 NM SE QUADRANT WITH SEAS TO 17 FT. .24 HOUR FORECAST TROPICAL STORM IDALIA NEAR 33.9N 73.8W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM S SEMICIRCLE...180 NM NE QUADRANT AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM NE...240 NM SE...240 NM SW...AND 90 NM NW QUADRANTS WITH SEAS TO 22 FT. ELSEWHERE FROM 31N TO 40N W OF 70W WINDS 20 TO 33 KT. SEAS TO 12 FT. .48 HOUR FORECAST TROPICAL STORM IDALIA NEAR 32.3N 69.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 170 NM NE QUADRANT...70 NM SE QUADRANT...80 NM SW QUADRANT...AND 140 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE...180 NM SE...270 NM SW...AND 330 NM NW QUADRANTS WITH SEAS TO 20 FT. ELSEWHERE FROM 31N TO 40N BETWEEN 65W AND 78W WINDS 20 TO 33 KT. .72 HOUR FORECAST TROPICAL STORM IDALIA NEAR 31.4N 67.6W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL STORM IDALIA NEAR 32.0N 65.4W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. .120 HOUR FORECAST TROPICAL STORM IDALIA NEAR 33.5N 63.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. ...STORM WARNING... .LOW INLAND NEAR 48N63W 993 MB MOVING NE 20 KT. WITHIN 300 NM SE AND 420 NM NE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 38N TO 52N BETWEEN 47W AND 65W WINDS 20 TO 30 KT. SEAS TO 10 FT. .24 HOUR FORECAST LOW 54N51W 980 MB. WITHIN 360 NM NW SEMICIRCLE...540 NM E QUADRANT AND 660 NM S QUADRANT WINDS 25 TO 40 KT. SEAS 9 TO 16 FT. ELSEWHERE WITHIN 660 NM SW QUADRANT AND 300 NM E OF A LINE FROM 46N54W TO 40N60W WINDS 20 TO 30 KT SEAS TO 11 FT. .30 HOUR FORECAST LOW 55N46W 970 MB. WITHIN 300 NM SW SEMICIRCLE WINDS 35 TO 50 KT. SEAS 14 TO 22 FT. .48 HOUR FORECAST LOW 63N38W 956 MB. WITHIN 480 NM S SEMICIRCLE WINDS 45 TO 60 KT. SEAS 18 TO 30 FT. ELSEWHERE N OF 50N E OF 59W WINDS 30 TO 45 KT. SEAS 10 TO 20 FT. ALSO WITHIN 180 NM SE OF A LINE FROM 50N35W TO 45N42W WINDS 20 TO 30 KT. SEAS TO 12 FT. .SYNOPSIS AND FORECAST. .FROM 58N TO 63N BETWEEN 44W AND 52W WINDS TO 25 KT. SEAS TO 9 FT. .24 HOUR FORECAST NEW LOW 63N38W 998 MB. WITHIN 240 NM N AND 90 NM W QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 63N38W. .24 HOUR FORECAST TROPICAL DEPRESSION ELEVEN NEAR 31.3N 52.3W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. FROM 31N TO 33N BETWEEN 49W AND 53W WINDS 20 TO 30 KT. SEAS TO 10 FT. .36 HOUR FORECAST POST-TROPICAL REMNANT LOW ELEVEN NEAR 33.9N 51.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. .48 HOUR FORECAST...DISSIPATED. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 51N W OF 53W. .24 HOUR FORECAST DENSE FOG WITHIN 180 NM E OF A LINE FROM 56N47W TO 43N58W .48 HOUR FORECAST DENSE FOG N OF 60N E OF THE GREENLAND COAST. .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 0000 UTC THU AUG 31. 24 HOUR FORECAST VALID 0000 UTC FRI SEP 1. 48 HOUR FORECAST VALID 0000 UTC SAT SEP 2. .WARNINGS. ...ATLC TROPICAL STORM WARNING... .TROPICAL STORM IDALIA NEAR 33.0N 80.0W 987 MB AT 0300 UTC AUG 31 MOVING NE OR 045 DEG AT 18 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM W SEMICIRCLE...140 NM NE QUADRANT AND 180 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM OF CENTER EXCEPT 180 NM SE QUADRANT WITH SEAS TO 17 FT. ELSEWHERE WITHIN 31N76W TO 31N81W TO 29N81W TO 28N79W TO 29N77W TO 31N76W 20 TO 30 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST TROPICAL STORM IDALIA NEAR 33.9N 73.8W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM S SEMICIRCLE...180 NM NE QUADRANT AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER S OF 31N WITHIN 60 NM S SEMICIRCLE WITH SEAS TO 16 FT. ELSEWHERE WITHIN 31N69W TO 31N78W TO 30N78W TO 30N75W TO 30N72W TO 31N69W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 30N72W TO 30N76W TO 31N78W TO 30N79W TO 29N77W TO 29N73W TO 30N72W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM IDALIA NEAR 32.3N 69.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 170 NM NE QUADRANT...70 NM SE QUADRANT...80 NM SW QUADRANT...AND 140 NM NW QUADRANT. WITHIN 31N68W TO 31N77W TO 30N75W TO 30N70W TO 31N68W WINDS 20 TO 30 KT. SEAS 12 TO 16 FT. REMAINDER OF AREA WITHIN 31N63W TO 30N73W TO 31N80W TO 27N77W TO 26N70W TO 29N64W TO 31N63W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. .72 HOUR FORECAST TROPICAL STORM IDALIA NEAR 31.4N 67.6W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL STORM IDALIA NEAR 32.0N 65.4W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. .120 HOUR FORECAST TROPICAL STORM IDALIA NEAR 33.5N 63.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .ATLC HURRICANE FRANKLIN WELL N OF AREA NEAR 34.6N 64.5W 965 MB AT 0300 UTC AUG 31 MOVING ENE OR 060 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS N OF AREA. ELSEWHERE WITHIN 31N59W TO 31N70W TO 30N68W TO 29N64W TO 31N59W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL. .24 HOUR FORECAST HURRICANE FRANKLIN NEAR 36.5N 59.0W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS N OF AREA. ELSEWHERE WITHIN 31N54W TO 31N62W TO 30N61W TO 30N59W TO 30N57W TO 31N54W WINDS 20 KT OR LESS. SEAS 8 FT IN W TO NW SWELL. .36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC TROPICAL DEPRESSION ELEVEN NEAR 28.5N 52.4W 1014 MB AT 0300 UTC AUG 31 MOVING N OR 360 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 29N51W TO 30N53W TO 28N53W TO 27N52W TO 27N51W TO 28N51W TO 29N51W WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. .24 HOUR FORECAST TROPICAL DEPRESSION ELEVEN NEAR 31.3N 52.3W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 31N50W TO 31N52W TO 30N52W TO 30N51W TO 30N50W TO 31N50W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .36 HOUR FORECAST POST-TROPICAL REMNANT LOW ELEVEN NEAR 33.9N 51.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. .48 HOUR FORECAST...DISSIPATED. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .CARIBBEAN WITHIN 15N68W TO 15N70W TO 13N75W TO 11N75W TO 12N72W TO 11N68W TO 15N68W...INCLUDING THE GULF OF VENEZUELA...E WINDS 20 TO 30 KT. SEAS 8 FT. .24 HOUR FORECAST WITHIN 14N68W TO 15N73W TO 15N77W TO 13N77W TO 10N71W TO 12N67W TO 14N68W...INCLUDING THE GULF OF VENEZUELA...E WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. .48 HOUR FORECAST WITHIN 13N69W TO 14N73W TO 11N74W TO 12N72W TO 10N72W TO 11N69W TO 13N69W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER AREINHART. NATIONAL HURRICANE CENTER.