High Seas Forecast
Issued by NWS
Issued by NWS
010 FZNT01 KWBC 042134 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC FRI SEP 04 2026 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC SEP 04. 24 HOUR FORECAST VALID 1800 UTC SEP 05. 48 HOUR FORECAST VALID 1800 UTC SEP 06. .WARNINGS. ...STORM WARNING... .LOW 43N36W 991 MB MOVING NE 25 KT. WITHIN 150 NM SW SEMICIRCLE WINDS 40 TO 60 KT. SEAS 5.5 TO 7.5 M. ALSO WITHIN 240 NM S...AND 300 NM N SEMICIRCLES WINDS 25 TO 40 KT. SEAS 4 TO 6 M. ELSEWHERE FROM 45N TO 48N E OF 47W WINDS TO 25 KT. SEAS 2.5 TO 5 M. .24 HOUR FORECAST LOW E OF AREA NEAR 49N26W 993 MB. FROM 32N TO 50N E OF 40W WINDS LESS THAN 25 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED E OF AREA. ...GALE WARNING... .LOW 45N64W 1003 MB DRIFTING E 05 KT. WITHIN 180 NM NE OF A LINE FROM 39N60W TO 48N66W WINDS 20 TO 30 KT. SEAS TO 2.5 M. .06 HOUR FORECAST LOW 45N63W 1002 MB. WITHIN 240 NM NE SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW 45N61W 998 MB. WITHIN 180 NM N OF A LINE FROM 44N51W TO 45N58W...AND FROM 45N TO 61N BETWEEN 58W AND 65W WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM 32N TO 53N BETWEEN 44W AND 69W WINDS TO 25 KT. SEAS TO 3.5 M. .48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER NEAR 44N59W 997 MB AND SECOND CENTER NEAR 45N47W 1000 MB. WITHIN 150 NM NE AND N OF A LINE FROM 42N42W TO 46N47W TO 47N53W...AND WITHIN 300 NM NW OF A LINE FROM 47N56W TO 40N66W WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE FROM 32N TO 51N BETWEEN 38W AND 69W WINDS TO 25 KT. SEAS TO 3.5 M. ...GALE WARNING... .06 HOUR FORECAST LOW JUST E OF AREA NEAR 65N33W 1003 MB. WITHIN 120 NM W SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3 TO 5 M. .24 HOUR FORECAST LOW 61N37W 1003 MB. FROM 58N TO 65N E OF 43W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. .48 HOUR FORECAST LOW MERGED WITH LOW WELL E OF AREA. FROM 52N TO 58N E OF 42W WINDS LESS THAN 25 KT. SEAS 2.5 TO 4 M. ...GALE WARNING... .24 HOUR FORECAST LOW 66N62W 1007 MB. WITHIN 120 NM S SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M. .42 HOUR FORECAST LOW DISSIPATED. N OF 66N BETWEEN 53W AND 62W WINDS 25 TO 35 KT. SEAS TO 3 M. .48 HOUR FORECAST NEW LOW N OF AREA NEAR 69N60W 994 MB. N OF 66N BETWEEN 54W AND 62W WINDS 25 TO 35 KT. SEAS TO 2.5 M. .SYNOPSIS AND FORECAST. .LOW 62N36W 1004 MB MOVING S 15 KT. FROM 61N TO 64N E OF 40W WINDS 20 TO 30 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW E OF AREA NEAR 60N31W 1004 MB. CONDITIONS DIMINISHED. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 60N TO 62N W OF 62W...AND FROM 62N TO 64N BETWEEN 36W AND 40W. .24 HOUR FORECAST DENSE FOG FROM 42N TO 45N BETWEEN 50W AND 53W. .48 HOUR FORECAST DENSE FOG FROM 44N TO 47N BETWEEN 47W AND 52W. .FORECASTER POCHE. 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 FRI SEP 4. 24 HOUR FORECAST VALID 1800 UTC SAT SEP 5. 48 HOUR FORECAST VALID 1800 UTC SUN SEP 6. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .CARIBBEAN WITHIN 13N71W TO 13N72W TO 13N73W TO 12N74W TO 11N70W TO 12N70W TO 13N71W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST WITHIN 13N70W TO 12N71W TO 11N71W TO 11N70W TO 13N70W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER KONARIK. NATIONAL HURRICANE CENTER. $$