


High Seas Forecast
Issued by NWS
Issued by NWS
734 FZNT01 KWBC 032150 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC WED SEP 03 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC SEP 03. 24 HOUR FORECAST VALID 1800 UTC SEP 04. 48 HOUR FORECAST VALID 1800 UTC SEP 05. .WARNINGS. ...GALE WARNING... .LOW JUST E OF AREA 63N34W 994 MB MOVING SW 10 KT THEN TURNING SE AFTER 12 HOURS. BETWEEN 240 NM AND 420 NM S AND SW QUADRANTS WINDS 30 TO 45 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE S OF 61N NE OF A LINE FROM 50N35W TO 61N51W WINDS 20 TO 30 KT. SEAS TO 3 M IN MIXED SWELL. .18 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 62N39W 988 MB. BETWEEN 180 NM AND 420 NM S AND SW QUADRANTS WINDS 35 TO 45 KT. SEAS 3.5 TO 5.5 M. .24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 61N37W 989 MB. N OF 57N E OF 50W WINDS 30 TO 45 KT. SEAS 3 TO 5.5 M...HIGHEST NEAR 58N38W AND 65N37W. ELSEWHERE NE OF A LINE FROM 54N35W TO 56N50W TO 63N52W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST COMPLEX LOW E OF AREA WITH MAIN CENTER NEAR 62N22W 988 MB. NE OF A LINE FROM 54N35W TO 58N50W TO 65N57W WINDS 25 TO 40 KT. SEAS 3 TO 5 M. ELSEWHERE NE OF A LINE FROM 50N35W TO 54N50W TO 68N58W WINDS TO 25 KT. SEAS TO 3 M. .SYNOPSIS AND FORECAST. .LOW 53N54W 1010 MB MOVING E 10 KT. WITHIN 180 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW 51N51W 1010 MB. ASSOCIATED CONDITIONS DIMINISHED. .48 HOUR FORECAST LOW DISSIPATED. .LOW 67N57W 1003 MB MOVING SE 10 KT. WITHIN 180 NM SW SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE NE OF A LINE FROM 50N53W TO 63N65W WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS DESCRIBED WITH LOW 61N37W ABOVE. .LOW 44N47W 1013 MB MOVING NE 20 KT THEN TURNING E AFTER 12 HOURS. WITHIN 300 NM E AND SE SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW 46N35W 1008 MB. FROM 38N TO 48N E OF 40W WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW E OF AREA 47N23W 997 MB. FROM 37N TO 42N E OF 42W WINDS 20 TO 30 KT. SEAS TO 3 M. .COMPLEX LOW WITH MEAN CENTER NEAR 38N66W 1011 MB MOVING NE 20 KT. S OF 35N BETWEEN 68W AND 75W WINDS 20 TO 30 KT. SEAS TO 2.5 M. .24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 42N59W 1012 MB. WITHIN 240 NM EITHER SIDE OF A LINE FROM 34N66W TO 40N56W TO 42N46W WINDS 20 TO 30 KT. SEAS TO 2.5 M. .48 HOUR FORECAST COMPLEX LOW DISSIPATED AND ASSOCIATED CONDITIONS DESCRIBED WITH LOW 47N23W ABOVE. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 45N BETWEEN 46W AND 51W...N OF 64N E OF GREENLAND...AND N OF 64N BETWEEN THE W OF GREENLAND COAST AND 61W. .24 HOUR FORECAST DENSE FOG FROM 44N TO 48N E OF 40W...FROM 40N TO 45N BETWEEN 46W AND 54W...FROM 51N TO 55N W OF 50W...AND N OF 61N E OF GREENLAND. .48 HOUR FORECAST DENSE FOG N OF 64N E OF GREENLAND. .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 1800 UTC WED SEP 03. 24 HOUR FORECAST VALID 1800 UTC THU SEP 04. 48 HOUR FORECAST VALID 1800 UTC FRI SEP 05. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC N OF 27N BETWEEN 70W AND 73W S WINDS 20 TO 25 KT. SEAS TO 2.5 M. .12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .ATLC 42 HOUR FORECAST LOW PRES EAST OF AREA. FROM 13N TO 15N E OF 36W N TO NE WINDS 20 TO 25 KT. SEAS 2.5 M. N OF 08N E OF 39W AND SE OF A LINE FROM 11N35W TO 08N39W SW WINDS 20 TO 25 KT. SEAS 2.5 M. .48 HOUR FORECAST LOW PRES...PSBL TRPCL CYCLONE...NEAR 13N35W 1012 MB. FROM 13N TO 15N E OF 37W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M. N OF 08N E OF 40W AND SE OF A LINE FROM 12N35W TO 09N40W SW WINDS 20 TO 25 KT. SEAS 2.5 M. .CARIBBEAN 06 HOUR FORECAST FROM 11N TO 13N BETWEEN 68W AND 74W... INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .30 HOUR FORECAST FROM 11N TO 13N BETWEEN 68W AND 74W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .42 HOUR FORECAST 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 GR. NATIONAL HURRICANE CENTER. $$