FZNT01 KWBC 170412 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC SUN SEP 17 2023 CCODE/2:31:04:11:00/AOE+AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC SEP 17. 24 HOUR FORECAST VALID 0000 UTC SEP 18. 48 HOUR FORECAST VALID 0000 UTC SEP 19. .WARNINGS. ...HURRICANE FORCE WIND WARNING ... .LOW E OF AREA 63N33W 970 MB MOVING SE 10 KT. WITHIN 150 NM NW QUADRANT WINDS 50 TO 65 KT. SEAS 22 TO 34 FT. ALSO WITHIN 420 NM SW QUADRANT WINDS 35 TO 50 KT. SEAS 12 TO 25 FT. ELSEWHERE WITHIN 540 NM SW AND 180 NM W QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 16 FT. .24 HOUR FORECAST LOW E OF AREA NEAR 60N25W 976 MB. WITHIN 480 NM NW QUADRANT WINDS 30 TO 45 KT. SEAS 14 TO 26 FT. ELSEWHERE WITHIN 480 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS 10 TO 20 FT. .48 HOUR FORECAST LOW WELL E OF AREA AND NEW LOW FORMING NEAR 63N28W 990 MB. E OF A LINE FROM 54N46W TO 64N38W TO 66N35W WINDS 30 TO 45 KT. SEAS 13 TO 26 FT. ...TROPICAL STORM WARNING ... .TROPICAL STORM MARGOT NEAR 33.9N 40.5W 999 MB AT 0300 UTC SEP 17 MOVING W OR 260 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE QUADRANT...90 NM SE QUADRANT...70 NM SW QUADRANT...AND 160 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 330 NM NE QUADRANT...210 NM SE QUADRANT...270 NM SW QUADRANT...AND 360 NM NW QUADRANT WITH SEAS TO 20 FT. ELSEWHERE FROM 31N TO 40N BETWEEN 35W AND 47W WINDS 20 TO 33 KT. SEAS TO 12 FT. .24 HOUR FORECAST POST-TROPICAL CYCLONE MARGOT NEAR 35.1N 43.1W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. FROM 31N TO 41N BETWEEN 36W AND 48W WINDS 20 TO 30 KT. SEAS 9 TO 15 FT. .48 HOUR FORECAST POST-TROPICAL CYCLONE MARGOT NEAR 37.9N 41.1W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. FROM 33N TO 41N BETWEEN 35W AND 46W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. .72 HOUR FORECAST POST-TROPICAL CYCLONE MARGOT NEAR 37.8N 35.3W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY ...ERRORS MAY BE LARGE. .96 HOUR FORECAST POST-TROPICAL CYCLONE MARGOT NEAR 37.0N 32.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. .120 HOUR FORECAST POST-TROPICAL CYCLONE MARGOT NEAR 37.6N 29.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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 ... .POST-TROPICAL CYCLONE LEE NEAR 45.3N 65.5W 979 MB AT 0300 UTC SEP 17 MOVING NNE OR 020 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 190 NM NE...250 NM SE...120 NM SW...AND 80 NM NW QUADRANTS. SEAS 12 FT OR GREATER WITHIN 480 NM NE QUADRANT...660 NM SE QUADRANT...570 NM SW QUADRANT...AND 0 NM NW QUADRANT WITH SEAS TO 28 FT. ELSEWHERE FROM 37N TO 52N BETWEEN 52W AND 742 WINDS 20 TO 33 KT. SEAS TO 12 FT. .24 HOUR FORECAST POST-TROPICAL CYCLONE LEE NEAR 50.1N 57.1W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE QUADRANT...90 NM SE QUADRANT...70 NM SW QUADRANT...AND 30 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 480 NM E AND 360 NM S QUADRANTS WITH SEAS TO 15 FT. ELSEWHERE FROM 44N TO 58N BETWEEN 38W AND 63W WINDS 20 TO 33 KT. SEAS TO 12 FT. .48 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. ...GALE WARNING... .48 HOUR FORECAST NEW LOW E OF AREA 54N28W 989 MB. FROM 46N TO 55N E OF 48W WINDS 25 TO 35 KT. SEAS 9 TO 17 FT. .SYNOPSIS AND FORECAST. .48 HOUR FORECAST NEW LOW 38N70W 1007 MB. FROM 32N TO 41N BETWEEN 65W AND 74W WINDS 20 TO 30 KT. SEAS TO 10 FT. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 51N BETWEEN 44W AND 60W AND WITHIN 90 NM E AND SE OF THE GREENLAND COAST. .24 HOUR FORECAST DENSE FOG FROM 49N TO 54N BETWEEN 40W AND 58W. .48 HOUR FORECAST DENSE FOG N OF 62N E OF GREENLAND. .FORECASTER ACHORN. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF MEXICO SYNOPSIS VALID 0000 UTC SUN SEP 17. 24 HOUR FORECAST VALID 0000 UTC MON SEP 18. 48 HOUR FORECAST VALID 0000 UTC TUE SEP 19. .WARNINGS. ...HURRICANE WARNING... .TROPICAL STORM NIGEL NEAR 22.0N 48.0W 1005 MB AT 0300 UTC SEP 17 MOVING NW OR 325 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S SEMICIRCLE...80 NM NE QUADRANT AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM S SEMICIRCLE...120 NM NE QUADRANT AND 90 NM NW QUADRANT WITH SEAS TO 14 FT. WITHIN 23N47W TO 24N49W TO 23N49W TO 22N49W TO 21N49W TO 22N47W TO 23N47W E WINDS 20 TO 33 KT. SEAS 11 TO 13 FT. WITHIN 25N42W TO 28N49W TO 25N52W TO 19N51W TO 18N47W TO 20N42W TO 25N42W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM NIGEL NEAR 25.3N 50.6W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NE QUADRANT...180 NM SE QUADRANT AND 120 NM W SEMICIRCLE WITH SEAS TO 20 FT. WITHIN 28N48W TO 29N51W TO 27N53W TO 24N54W TO 23N49W TO 25N47W TO 28N48W E WINDS 20 TO 33 KT. SEAS 11 TO 13 FT. WITHIN 31N41W TO 28N47W TO 31N59W TO 23N56W TO 19N49W TO 24N41W TO 31N41W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .36 HOUR FORECAST HURRICANE NIGEL NEAR 26.7N 52.2W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. .48 HOUR FORECAST HURRICANE NIGEL NEAR 27.8N 54.0W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NW AND SE QUADRANTS...130 NM NE QUADRANT AND 80 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM N AND S SEMICIRCLES WITH SEAS TO 32 FT. WITHIN 30N50W TO 31N56W TO 29N58W TO 26N57W TO 24N53W TO 27N50W TO 30N50W E WINDS 20 TO 33 KT. SEAS 12 TO 16 FT. WITHIN 31N48W TO 31N59W TO 28N60W TO 23N59W TO 20N53W TO 23N46W TO 31N48W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .72 HOUR FORECAST HURRICANE NIGEL NEAR 31.3N 56.7W. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE NIGEL NEAR 36.0N 55.6W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. .120 HOUR FORECAST HURRICANE NIGEL NEAR 41.9N 47.3W. 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 31N53W TO 30N77W TO 26N78W TO 25N72W TO 25N65W TO 31N53W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL. WITHIN 31N35W TO 31N49W TO 29N51W TO 28N47W TO 29N37W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N SWELL. .24 HOUR FORECAST CONDITIONS MERGE WITH WARNING FEATURE. .CARIBBEAN WITHIN 13N70W TO 13N73W TO 11N74W TO 12N72W TO 11N72W TO 12N69W TO 13N70W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 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 RAMOS. NATIONAL HURRICANE CENTER. $$