FZNT01 KWBC 161630 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1630 UTC SAT SEP 16 2023 CCODE/2:31:04:11:00/AOE+AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS N OF 31N WILL BE LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 12 FEET OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, AND VOLCANIC ASH. LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. SEND FEEDBACK VIA HTTPS://OCEAN.WEATHER.GOV/CONTACT/INDEX.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 1200 UTC SEP 16. 24 HOUR FORECAST VALID 1200 UTC SEP 17. 48 HOUR FORECAST VALID 1200 UTC SEP 18. .WARNINGS. ...HURRICANE FORCE WIND WARNING ... .POST-TROPICAL CYCLONE LEE NEAR 43.5N 66.2W 965 MB AT 1500 UTC SEP 16 MOVING N OR 350 DEG AT 19 KT. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 310 NM NE...340 NM SE...200 NM SW...AND 220 NM NW QUADRANTS. SEAS 12 FT OR GREATER WITHIN 480 NM NE QUADRANT...540 NM SE QUADRANT...620 NM SW QUADRANT...AND 270 NM NW QUADRANT WITH SEAS TO 42 FT. ELSEWHERE FROM 35N TO 49N BETWEEN 52W AND 75W WINDS 20 TO 33 KT. SEAS TO 12 FT. .24 HOUR FORECAST POST-TROPICAL CYCLONE LEE NEAR 48.3N 62.7W 989 MB. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE QUADRANT...190 NM SE QUADRANT...50 NM SW QUADRANT...AND 0 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM NE...660 NM SE...AND 480 NM SW QUADRANTS WITH SEAS TO 20 FT. ELSEWHERE FROM 39N TO 56N BETWEEN 48W AND 68W WINDS 20 TO 33 KT. SEAS TO 12 FT. .48 HOUR FORECAST POST-TROPICAL CYCLONE LEE NEAR 53.0N 50.1W 992 MB. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE...60 NM SE...65 NM SW...AND 100 NM NW QUADRANTS. SEAS 12 FT OR GREATER WITHIN 180 NM N SEMICIRCLE AND 480 NM SE AND 360 NM SW QUADRANTS WITH SEAS TO 14 FT. ELSEWHERE FROM 44N TO 57N BETWEEN 35W AND 58W WINDS 20 TO 33 KT. SEAS TO 12 FT. .60 HOUR FORECAST...DISSIPATED. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...TROPICAL STORM WARNING ... .TROPICAL STORM MARGOT NEAR 34.4N 38.7W 996 MB AT 1500 UTC SEP 16 MOVING SW OR 215 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM NE QUADRANT...150 NM SE QUADRANT...130 NM SW QUADRANT...AND 200 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 NM NE QUADRANT...210 NM SE QUADRANT...260 NM SW QUADRANT...AND 420 NM NW QUADRANT WITH SEAS TO 26 FT. ELSEWHERE FROM 31N TO 41N BETWEEN 35W AND 45W WINDS 20 TO 33 KT. SEAS TO 12 FT. .24 HOUR FORECAST TROPICAL STORM MARGOT NEAR 34.3N 41.7W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE QUADRANT...70 NM SE QUADRANT...70 NM SW QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM NE...90 NM SE...270 NM SW AND 360 NM NW QUADRANTS WITH SEAS TO 18 FT. ELSEWHERE FROM 31N TO 40N BETWEEN 36W AND 47W WINDS 20 TO 33 KT. SEAS TO 12 FT. .48 HOUR FORECAST TROPICAL STORM MARGOT NEAR 36.5N 42.9W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE QUADRANT...50 NM SE QUADRANT...0 NM SW QUADRANT AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE...30 NM SE...120 NM SW AND 240 NM NW QUADRANTS WITH SEAS TO 15 FT. ELSEWHERE FROM 32N TO 42N BETWEEN 37W AND 49W WINDS 20 TO 33 KT. SEAS TO 12 FT. .72 HOUR FORECAST TROPICAL STORM MARGOT NEAR 38.6N 37.8W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. EXTENDED OUTLOOK ...USE FOR GUIDANCE ONLY ...ERRORS MAY BE LARGE. .96 HOUR FORECAST POST-TROPICAL CYCLONE MARGOT NEAR 37.8N 33.1W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. .120 HOUR FORECAST POST-TROPICAL CYCLONE MARGOT NEAR 38.0N 30.1W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...STORM WARNING ... .LOW 63N35W 980 MB MOVING SE 10 KT. WITHIN 180 NM N AND NW AND 120 NM SW QUADRANTS WINDS 40 TO 55 KT. SEAS 15 TO 27 FT. ALSO WITHIN 300 NM N AND NW AND 240 NM SW QUADRANTS AND FROM 57N TO 60N BETWEEN 39W AND 45W WINDS 25 TO 40 KT. SEAS 12 TO 21 FT. ELSEWHERE N OF 47N E OF 41W AND E OF A LINE FROM 64N62W TO 60N63W TO 52N41W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. .24 HOUR FORECAST LOW E OF AREA NEAR 62N30W 972 MB. WITHIN 300 NM W SEMICIRCLE WINDS 40 TO 55 KT. SEAS 23 TO 32 FT. ELSEWHERE WITHIN 360 NM NW AND 480 NM SW QUADRANTS WINDS 30 TO 45 KT. SEAS 11 TO 26 FT. .48 HOUR FORECAST LOW E OF AREA NEAR 59N18W 978 MB. E OF A LINE FROM 65N35W TO 58N41W WINDS 25 TO 40 KT. SEASM 12 TO 25 FT. .SYNOPSIS AND FORECAST. .48 HOUR FORECAST FROM 31N TO 38N BETWEEN 70W AND 76W WINDS 20 TO 30 KT. SEAS TO 8 FT. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM NW OF A LINE FROM 43N62W TO 49N42W. .24 HOUR FORECAST DENSE FOG FROM 44N TO 54N BETWEEN 42W AND 68W AND WITHIN 90 NM E AND SE OF THE GREENLAND COAST. .48 HOUR FORECAST DENSE FOG FROM 49N TO 54N BETWEEN 38W AND 55W. .FORECASTER BANCROFT. 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 SAT SEP 16. 24 HOUR FORECAST VALID 1200 UTC SUN SEP 17. 48 HOUR FORECAST VALID 1200 UTC MON SEP 18. .WARNINGS. ...ATLC HURRICANE WARNING... .TROPICAL DEPRESSION FIFTEEN NEAR 19.7N 46.2W 1006 MB AT 1500 UTC SEP 16 MOVING NNW OR 330 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER WITHIN 0 NM OF CENTER EXCEPT 90 NM NE QUADRANT WITH SEAS TO 12 FT. ELSEWHERE WITHIN 21N42W TO 23N43W TO 22N48W TO 19N49W TO 17N47W TO 18N43W TO 21N42W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 21N39W TO 25N45W TO 24N49W TO 17N48W TO 16N47W TO 16N42W TO 21N39W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .12 HOUR FORECAST TROPICAL STORM FIFTEEN NEAR 21.3N 47.4W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE QUADRANT...20 NM SE QUADRANT...0 NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM NE SEMICIRCLE AND 0 NM SW SEMICIRCLE WITH SEAS TO 15 FT. ELSEWHERE WITHIN 24N44W TO 24N48W TO 23N50W TO 19N49W TO 19N45W TO 21N43W TO 24N44W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 23N41W TO 25N43W TO 27N49W TO 21N52W TO 17N49W TO 18N41W TO 23N41W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM FIFTEEN NEAR 23.2N 49.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...60 NM SE QUADRANT...20 NM SW QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM N SEMICIRCLE AND 60 NM S SEMICIRCLE WITH SEAS TO 19 FT. ELSEWHERE WITHIN 26N46W TO 26N50W TO 25N52W TO 21N52W TO 19N47W TO 21N45W TO 26N46W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 31N37W TO 31N51W TO 28N50W TO 25N53W TO 19N52W TO 19N44W TO 31N37W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE FIFTEEN NEAR 26.2N 52.2W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE QUADRANT...120 NM SE QUADRANT...80 NM SW QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM E SEMICIRCLE AND 180 NM W SEMICIRCLE WITH SEAS TO 33 FT. ELSEWHERE WITHIN 25N46W TO 29N49W TO 27N55W TO 22N55W TO 21N48W TO 25N46W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 31N46W TO 29N54W TO 31N59W TO 22N57W TO 19N52W TO 22N44W TO 31N46W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .72 HOUR FORECAST HURRICANE FIFTEEN NEAR 28.9N 56.0W. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE FIFTEEN NEAR 32.8N 58.3W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. .120 HOUR FORECAST HURRICANE FIFTEEN NEAR 37.0N 55.2W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 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 WITHIN 30N35W TO 29N80W TO 21N69W TO 27N54W TO 28N38W TO 30N35W...INCLUDING ATLANTIC EXPOSURES... WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED NE AND NW SWELL .24 HOUR FORECAST WITHIN 30N73W TO 26N75W TO 27N68W TO 23N65W TO 28N63W TO 30N73W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED NE AND NW SWELL. .48 HOUR FORECAST CONDITIONS MERGED WITH WARNING SECTION. .CARIBBEAN 06 HOUR FORECAST WITHIN 12N69W TO 13N72W TO 12N74W TO 11N73W TO 11N72W TO 12N69W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.