FZNT01 KWBC 191621 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1630 UTC MON OCT 19 2026 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1200 UTC OCT 19. 24 HOUR FORECAST VALID 1200 UTC OCT 20. 48 HOUR FORECAST VALID 1200 UTC OCT 21. .WARNINGS. ...STORM WARNING... .LOW 65N36W 974 MB DRIFTING SE. BETWEEN 300 NM AND 840 NM S AND 300 NM AND 660 NM SW QUADRANTS WINDS 40 TO 55 KT. SEAS 4.5 TO 9 M. ELSEWHERE FROM 50N TO 60N E OF 52W AND FROM 60N TO 65N W OF GREENLAND WINDS 25 TO 40 KT. SEAS 3 TO 6 M. .24 HOUR FORECAST LOW JUST E OF AREA 64N34W 982 MB. N OF 64N E OF GREENLAND...FROM 48N TO 56N BETWEEN 35W AND 47W AND WITHIN 90 NM S OF A LINE FROM 60N35W TO 60N45W WINDS 30 TO 45 KT. SEAS 3.5 TO 7 M...HIGHEST NEAR 35W. ELSEWHERE FROM 50N TO 56N W OF 50W AND N OF 60N W OF GREENLAND WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M IN MIXED SWELL. .48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 65N36W 976 MB. N OF 65N E OF GREENLAND AND WITHIN 240 NM S AND SW OF A LINE FROM 59N35W TO 60N45W WINDS 25 TO 40 KT. SEAS 3 TO 6 M. ELSEWHERE FROM 53N TO 60N E OF 60W AND FROM 60N TO 62N W OF GREENLAND WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. ...STORM WARNING... .LOW 33N72W 1009 MB DRIFTING N. WITHIN 180 NM NW AND N OF A LINE FROM 33N73W TO 37N67W TO 38N59W WINDS 30 TO 40 KT. SEAS 4.5 TO 7 M. ELSEWHERE WITHIN 720 NM NE...480 NM SW AND 420 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M...HIGHEST N AND W OF CENTER. .24 HOUR FORECAST LOW 34N71W 1002 MB. WITHIN 240 NM W AND NW OF A LINE FROM 33N72W TO THE LOW TO 43N61W WINDS 25 TO 35 KT. SEAS 2.5 TO 6 M...HIGHEST CONDITIONS NW OF CENTER. .48 HOUR FORECAST LOW 36N70W 1002 MB. WITHIN 240 NM W AND NW OF A LINE FROM 35N71W TO THE LOW TO 39N67W WINDS 35 TO 50 KT. SEAS 4.5 TO 7.5 M. ELSEWHERE WITHIN 660 NM NE...480 NM SW AND 360 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 6 M. ...GALE WARNING... .12 HOUR FORECAST INLAND LOW 57N74W 998 MB. IN THE GULF OF SAINT LAWRENCE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST LOW ABSORBED AND CONDITIONS DESCRIBED WITH LOW 64N34W ABOVE. ...GALE WARNING... .48 HOUR FORECAST LOW 47N39W 1008 MB. WITHIN 120 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE FROM 42N TO 48N E OF 44W WINDS 20 TO 30 KT. SEAS TO 3 M. .SYNOPSIS AND FORECAST. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 64N E OF GREENLAND AND N OF 65N W OF GREENLAND. .24 HOUR FORECAST DENSE FOG WITHIN 180 NM NW AND N OF A LINE FROM 42N62W TO 43N55W...WITHIN 120 NM NW TO N OF A LINE FROM 57N45W TO 54N57W AND N OF 63N E OF GREENLAND .48 HOUR FORECAST DENSE FOG N OF 62N E OF GREENLAND AND WITHIN 120 NM NE OF A LINE FROM 61N65W TO 56N49W. .LIGHT FREEZING SPRAY NW OF A LINE FROM 57N61W TO 64N51W. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST WITHIN 60 NM W OF GREENLAND FROM 60N TO 62N AND N OF 62N W AND E OF GREENLAND. .FORECASTER FUTTERMAN. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 1200 UTC MON OCT 19. 24 HOUR FORECAST VALID 1200 UTC TUE OCT 20. 48 HOUR FORECAST VALID 1200 UTC WED OCT 21. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC COLD FRONT FROM 31N69W TO 25N72W TO 23N80W. WITHIN 31N72W TO 31N81W TO 29N81W TO 30N76W TO 30N72W TO 31N72W N TO NE WINDS 20 TO 25 KT... EXCEPT NW TO N WINDS 25 TO 30 KT N OF 30N BETWEEN 71W AND 73W. SEAS 4 TO 5.5 M. ELSEWHERE WITHIN 31N66W TO 31N75W TO 31N81W TO 26N80W TO 25N77W TO 24N74W TO 26N68W TO 31N66W...INCLUDING ATLC EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN N SWELL. .24 HOUR FORECAST COLD FRONT FROM 31N70W TO 24N72W AND STATIONARY TO 22N80W. WITHIN 31N70W TO 31N77W TO 28N77W TO 29N75W TO 31N70W N TO NE WINDS 20 TO 25 KT. SEAS 2.5 TO 4 M IN N TO NE SWELL. ELSEWHERE WITHIN 31N70W TO 31N81W TO 27N80W TO 24N81W TO 27N78W TO 22N72W TO 23N69W TO 31N70W...INCLUDING IN ATLC EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN N TO NE SWELL. .48 HOUR FORECAST WEAKENING COLD FRONT FROM 31N67W TO 27N70W THEN STATIONARY FRONT TO 23N76W TO 22N80W. WITHIN 31N67W TO 31N81W TO 26N80W TO 27N76W TO 25N75W TO 26N72W TO 31N67W...INCLUDING IN ATLC EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N TO NE SWELL...HIGHEST N OF 29N. .ATLC WITHIN 28N41W TO 30N44W TO 29N48W TO 27N49W TO 25N44W TO 26N42W TO 28N41W E TO SE WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M. .24 HOUR FORECAST WITHIN 31N45W TO 31N57W TO 30N56W TO 29N53W TO 29N46W TO 31N45W SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. .36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .STATIONARY FRONT FROM 23N80W TO 23N90W TO 18.5N93W. WITHIN 20N95W TO 21N96W TO 21N97W TO 20N97W TO 19N96W TO 19N95W TO 20N95W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ...NW TO N WINDS 25 TO 30 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN 29N83W TO 26N93W TO 22N96W TO 19N94W TO 22N90W TO 23N81W TO 29N83W... INCLUDING WITHIN 60 NM OF COAST OF CAMPECHE AND IN STRAITS OF FLORIDA...NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. .24 HOUR FORECAST STATIONARY FRONT FROM 22N80W TO 22N90W TO 18.5N93W. WITHIN 20N95W TO 21N96W TO 20N97W TO 19N96W TO 18N95W TO 19N94W TO 20N95W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ...NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. WITHIN 26N82W TO 27N86W TO 24N86.5W TO 22N86W TO 23N81W TO 26N82W... INCLUDING IN THE STRAITS OF FLORIDA...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST WEAKENING STATIONARY FRONT FROM 22N80W TO 22N90W TO 18.5N93W. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER. $$