FZNT01 KWBC 100340 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC THU SEP 10 2026 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC SEP 10. 24 HOUR FORECAST VALID 0000 UTC SEP 11. 48 HOUR FORECAST VALID 0000 UTC SEP 12. .WARNINGS. ...STORM WARNING... .COMPLEX LOW WITH MEAN CENTER NEAR 62N35W 984 MB MOVING NE 10 KT THEN TURNING NW AFTER 12 HOURS. BETWEEN 180 NM AND 360 NM SW QUADRANT WINDS 35 TO 50 KT. SEAS 4 TO 6.5 M. ALSO BETWEEN 180 NM AND 540 NM S AND SW QUADRANTS...AND WITHIN 120 NM OF THE E GREENLAND COAST N OF 63N WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. ELSEWHERE N OF 47N E OF 51W WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST COMBINED LOW 64N35W 978 MB. WITHIN 180 NM NW QUADRANT WINDS 35 TO 50 KT. SEAS 4 TO 6.5 M. ALSO N OF 54N E OF 45W WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 M. ELSEWHERE N OF 50N E OF 50W WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW WELL E OF AREA. N OF 55N E OF 40W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M. ...GALE WARNING... .COMPLEX LOW WITH MEAN CENTER 42N45W 1012 MB MOVING NE 15 KT. BETWEEN 120 NM AND 240 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 31N TO 47N BETWEEN 35W AND 59W WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST COMPLEX LOW 47N37W 1000 MB. WITHIN 180 NM SW QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN 780 NM SW QUADRANT WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST COMPLEX LOW AND CONDITIONS WELL E OF AREA. ...GALE WARNING... .12 HOUR FORECAST WITHIN 360 NM NW OF A LINE FROM 37N69W TO 55N46W AREA OF SW WINDS 25 TO 35 KT. SEAS TO 3.5 M. .24 HOUR FORECAST NEW LOW INLAND NEAR 54N61W 988 MB. WITHIN 420 NM N AND NE QUADRANT...AND WITHIN 240 NM SE OF A FRONT FROM 52N56W TO 46N58W TO 41N65W WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 54N49W 986 MB. WITHIN 720 NM SE...780 NM SW...AND 540 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M...HIGHEST NW OF CENTER. ELSEWHERE N OF 36N BETWEEN 50W AND 66W...AND WITHIN 840 NM SE QUADRANT WINDS TO 25 KT. SEAS TO 3 M. .SYNOPSIS AND FORECAST. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 63N E OF 40W. .24 HOUR FORECAST DENSE FOG N OF 62N E OF 40W...AND FROM 51N TO 58N W OF 50W. .48 HOUR FORECAST DENSE FOG FROM 50N TO 58N E OF 55W. .FORECASTER ANDERSON. 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 THU SEP 10. 24 HOUR FORECAST VALID 0000 UTC FRI SEP 11. 48 HOUR FORECAST VALID 0000 UTC SAT SEP 12. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC WITHIN 20N70W TO 21N71W TO 21N72W TO 20N73W TO 20N70W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .18 HOUR FORECAST WITHIN 20N70W TO 21N71W TO 21N72W TO 20N73W TO 20N70W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .ATLC WITHIN 18N59W TO 20N60W TO 19N61W TO 18N61W TO 14N60W TO 15N58W TO 18N59W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .CARIBBEAN WITHIN 15N71W TO 15N77W TO 14N81W TO 11N82W TO 10N77W TO 12N69W TO 15N71W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. .24 HOUR FORECAST WITHIN 14N69W TO 14N71W TO 13N75W TO 11N75W TO 12N72W TO 11N68W TO 14N69W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .48 HOUR FORECAST WITHIN 13N68W TO 15N71W TO 14N76W TO 12N76W TO 11N72W TO 12N68W TO 13N68W...INCLUDING THE GULF OF VENEZUELA... E WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER AL. NATIONAL HURRICANE CENTER. $$