FZNT01 KWBC 170354 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC WED SEP 17 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC SEP 17. 24 HOUR FORECAST VALID 0000 UTC SEP 18. 48 HOUR FORECAST VALID 0000 UTC SEP 19. .WARNINGS. ...STORM WARNING... .LOW 55N39W 1003 MB MOVING SE 15 KT. WITHIN 60 NM E OF A LINE FROM 58N44W TO 62N40W WINDS 35 TO 50 KT. SEAS 4 TO 5.5 M. ELSEWHERE WITHIN 300 NM N AND NW OF A LINE FROM 53N40W TO 56N40W TO 61N35W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. .24 HOUR FORECAST LOW W OF AREA NEAR 50N34W 1006 MB. FROM 56N TO 61N E OF 58W WINDS 25 TO 40 KT. SEAS 4 TO 6 M. ELSEWHERE E OF A LINE FROM 65N35W TO 62N42W TO 60N43W TO 58N52W TO 53N52W TO 43N40W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. .48 HOUR FORECAST LOW WELL E OF AREA. FROM 42N TO 63N E OF 44W WINDS LESS THAN 25 KT. SEAS TO 3.5 M. ...STORM WARNING... .24 HOUR FORECAST INLAND LOW 57N65W 995 MB. WITHIN 360 NM E QUADRANT WINDS 25 TO 40 KT. SEAS TO 3 M. .30 HOUR FORECAST LOW 58N61W 989 MB. WITHIN 180 NM E QUADRANT WINDS 40 TO 55 KT. SEAS 3 TO 5 M. .48 HOUR FORECAST LOW 62N61W 976 MB. WITHIN 120 NM NE OF A LINE FROM 63N57W TO 60N51W WINDS 50 TO 60 KT. SEAS 5 TO 8 M. ELSEWHERE WITHIN 180 NM NE OF A LINE FROM 62N63W TO 63N59W TO 56N49W WINDS 40 TO 50 KT. SEAS 3 TO 6 M. ALSO FROM 52N TO 66N BETWEEN 44W AND 65W WINDS 25 TO 40 KT. SEAS TO 4 M. ...GALE WARNING... .LOW 37N76W 1010 MB MOVING N 05 KT. FROM 36N TO 40N W OF 66W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST LOW 38N76W 1014 MB. ASSOCIATED CONDITIONS DIMINISHED. .SYNOPSIS AND FORECAST. .LOW 44N41W 1014 MB MOVING NE 25 KT. WITHIN 360 NM SW QUADRANT WINDS TO 25 KT. SEAS TO 3 M. ELSEWHERE FROM 40 TO 49N E OF 47W WINDS LESS THAN 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW AND CONDITIONS MOVED E OF AREA. .LOW 35N61W 1016 MB DRIFTING E 05 KT. WITHIN 180 NM N SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW 35N59W 1016 MB. WITHIN 120 NM N SEMICIRCLE WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST LOW 37N56W 1015 MB.WITHIN 240 NM NE QUADRANT WINDS TO 25 KT. SEAS TO 2.5 M. .FROM 46N TO 51N BETWEEN 51W AND 53W WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST ASSOCIATED CONDITIONS DESCRIBED IN WARNINGS SECTION ABOVE WITH LOW 50N34W. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 62N TO 65N BETWEEN GREENLAND AND 39W. .24 HOUR FORECAST DENSE FOG N OF 64N W OF 60W. .48 HOUR FORECAST DENSE FOG N OF 60N W OF 57W. .FORECASTER HYDE. 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 0000 UTC WED SEP 17. 24 HOUR FORECAST VALID 0000 UTC THU SEP 18. 48 HOUR FORECAST VALID 0000 UTC FRI SEP 19. .WARNINGS. ...GALE WARNING... .ATLC LOW PRES NEAR 14N43W 1007 MB. WITHIN 18N38W TO 21N41W TO 20N47W TO 15N48W TO 11N44W TO 13N39W TO 18N38W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 17.5N47W 1004 MB. WITHIN 19N45W TO 19N47W TO 18N46W TO 17N46W TO 17N45W TO 19N45W WINDS 20 TO 35 KT. SEAS 3.5 TO 5.0 M. ELSEWHERE WITHIN 21N41W TO 24N46W TO 21N52W TO 17N51W TO 14N44W TO 17N41W TO 21N41W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 20N55.5W 1000 MB. WITHIN 22N50W TO 22N52W TO 20N53W TO 20N50W TO 22N50W WINDS 35 TO 45 KT. SEAS 4.0 TO 5.5 M. ELSEWHERE WITHIN 25N50W TO 24N54W TO 21N54W TO 19N52W TO 20N47W TO 21N46W TO 25N50W WINDS 20 TO 30 KT. SEAS 3.0 TO 4.5 M. REMAINDER OF AREA WITHIN 22N44W TO 26N46W TO 26N53W TO 23N56W TO 17N53W TO 18N46W TO 22N44W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE SWELL. .SYNOPSIS AND FORECAST. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER ERA. NATIONAL HURRICANE CENTER. $$