FZNT01 KWBC 180453 CCA HSFAT1 HIGH SEAS FORECAST FOR METAREA IV...CORRECTED NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC THU SEP 18 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 18. 24 HOUR FORECAST VALID 0000 UTC SEP 19. 48 HOUR FORECAST VALID 0000 UTC SEP 20. .WARNINGS. ...STORM WARNING... .INLAND LOW 57N66W 992 MB MOVING E 20 KT THEN TURNING N AFTER 12 HOURS. WITHIN 360 NM E SEMICIRCLE WINDS 25 TO 40 KT. SEAS TO 3 M. .12 HOUR FORECAST LOW 59N60W 988 MB. WITHIN 180 NM E SEMICIRCLE WINDS 40 TO 55 KT. SEAS 3 TO 5 M. .24 HOUR FORECAST LOW 62N61W 981 MB. WITHIN 180 NM N AND E OF A FRONT FROM LOW CENTER TO 63N61W TO 62N56W TO 57N50W WINDS 40 TO 55 KT. SEAS 4 TO 7.5 M. ELSEWHERE N OF 46N W OF 42W...INCLUDING WITHIN THE GULF OF SAINT LAWRENCE...WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M...HIGHEST N OF 57N W OF GREENLAND...EXCEPT SEAS TO 3 M WITHIN GULF OF SAINT LAWRENCE. .48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER INLAND NEAR 59N67W 996 MB AND NEW SECOND CENTER NEAR 63N55W 1002 MB. WITHIN 180 NM NE OF A FRONT FROM SECOND CENTER TO 58N46W WINDS 35 TO 50 KT. SEAS 3.5 TO 5.5 M. ELSEWHERE BETWEEN 180 AND 240 NM NW QUADRANT OF SECOND CENTER...FROM 50N TO 61N BETWEEN 38W AND 51W...N OF 60N W OF 58W...AND WITHIN THE GULF OF SAINT LAWRENCE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M...EXCEPT SEAS LESS THAN 2.5 M WITHIN THE GULF OF SAINT LAWRENCE. ...GALE WARNING... .FROM 57N TO 61N BETWEEN 41W AND 46W AREA OF NE WINDS 25 TO 40 KT. SEAS 3 TO 5 M. ELSEWHERE WITHIN 300 NM SE OF A LINE FROM 58N50W TO 62N35W AREA OF N TO NE WINDS TO 25 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST CONDITIONS DESCRIBED BY STORM WARNING ABOVE. ...GALE WARNING... .LOW 36N58W 1015 MB MOVING NE 10 KT. WITHIN 180 NM N AND NE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW 38N55W 1015 MB. WITHIN 180 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 54N51W 998 MB AND SECOND CENTER NEAR 44N49W 1008 MB. WITHIN 420 NM SE QUADRANT OF SECOND CENTER WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN 480 NM E SEMICIRCLE OF FIRST CENTER...WITHIN 420 NM E SEMICIRCLE OF SECOND CENTER...AND FROM 45N TO 50N W OF 60W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .SYNOPSIS AND FORECAST. .LOW 38N76W 1014 MB MOVING NE 15 KT. WITHIN 300 NM NE AND E QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW NEAR 42N63W 1012 MB. ASSOCIATED CONDITIONS DIMINISHED. .LOW JUST E OF AREA 51N34W 1006 MB MOVING SE 15 KT. WITHIN 480 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .24 HOUR FORECAST LOW E OF AREA. N OF 39N E OF 41W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M IN MIXED SWELL. .48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 54N51W BELOW. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 37N TO 42N W OF 64W...AND W OF A LINE FROM 54N53W TO 67N59W. .24 HOUR FORECAST DENSE FOG N OF 39N W OF 63W...INCLUDING THE BAY OF FUNDY...AND N OF 53N W OF 42W. .48 HOUR FORECAST DENSE FOG FROM 41N TO 65N BETWEEN 39W AND 53W... AND NW OF A LINE FROM 60N63W TO 67N54W. .FORECASTER ANDERSON. OCEAN PREDICTION CENTER. NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 0000 UTC THU SEP 18. 24 HOUR FORECAST VALID 0000 UTC FRI SEP 19. 48 HOUR FORECAST VALID 0000 UTC SAT SEP 20. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM GABRIELLE NEAR 19.5N 49.5W 1004 MB AT 0300 UTC SEP 18 MOVING WNW OR 300 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 210 NM NE QUADRANT...180 NM SE QUADRANT...30 NM SW QUADRANT...AND 150 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM E SEMICIRCLE...0 NM SW QUADRANT AND 90 NM NW QUADRANT WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 21N43W TO 23N44W TO 23N49W TO 21N50W TO 18N48W TO 16N45W TO 21N43W WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5 M. REMAINDER OF AREA WITHIN 22N42W TO 21N51W TO 18N51W TO 14N46W TO 14N44W TO 17N41W TO 22N42W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM GABRIELLE NEAR 21.3N 52.9W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM NE QUADRANT...110 NM SE QUADRANT...0 NM SW QUADRANT...AND 100 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM E SEMICIRCLE...0 NM SW QUADRANT AND 90 NM NW QUADRANT WITH SEAS TO 6.0 M. ELSEWHERE WITHIN 25N48W TO 26N52W TO 24N54W TO 21N53W TO 21N48W TO 22N46W TO 25N48W WINDS 20 TO 33 KT. SEAS 4.0 TO 6.0 M. REMAINDER OF AREA WITHIN 26N46W TO 27N53W TO 21N56W TO 19N54W TO 21N50W TO 20N45W TO 26N46W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM GABRIELLE NEAR 23.3N 56.9W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...90 NM SE QUADRANT...0 NM SW QUADRANT...AND 60 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM E SEMICIRCLE...0 NM SW QUADRANT AND 90 NM NW QUADRANT WITH SEAS TO 6.5 M. ELSEWHERE WITHIN 25N53W TO 26N57W TO 25N58W TO 23N58W TO 22N56W TO 23N53W TO 25N53W WINDS 20 TO 33 KT. SEAS 4.0 TO 6.5 M. REMAINDER OF AREA WITHIN 27N49W TO 30N54W TO 29N59W TO 22N61W TO 20N59W TO 21N50W TO 27N49W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL. 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. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. $$ .FORECASTER ERA. NATIONAL HURRICANE CENTER.