


High Seas Forecast
Issued by NWS
Issued by NWS
514 FZNT01 KWBC 310342 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC SUN AUG 31 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 AUG 31. 24 HOUR FORECAST VALID 0000 UTC SEP 01. 48 HOUR FORECAST VALID 0000 UTC SEP 02. .WARNINGS. ...GALE WARNING... .LOW 49N51W 1000 MB MOVING NE 25 KT. WITHIN 240 NM NE AND S...AND 360 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM 39N TO 51N BETWEEN 44W AND 60W WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW 54N37W 999 MB. WITHIN 180 NM SW SEMICIRCLE WINDS 30 TO 45 KT. SEAS 4 TO 5.5 M. ELSEWHERE FROM 44N TO 55N E OF 46W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA. ...GALE WARNING... .LOW 31N79W 1012 MB MOVING NE 15 KT. WITHIN 120 NM NW SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 2.5 M. .15 HOUR FORECAST LOW 32N75W 1009 MB. WITHIN 120 NM NW QUADRANT WINDS 25 TO 35 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW 33N71W 1007 MB. WITHIN 120 NM N AND NW QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN 120 NM EITHER SIDE OF A LINE FROM 31N80W TO 39N63W WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW 35N69W 1010 MB. WITHIN 120 NM NW QUADRANT WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE S OF 41N BETWEEN 57W AND 74W WINDS TO 25 KT. SEAS TO 2.5 M. ...GALE WARNING... .24 HOUR FORECAST NEW LOW NEAR 44N56W 1018 MB. WITHIN 240 NM SE SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER NEAR 49N36W 1002 MB AND SECOND CENTER NEAR 54N40W 1001 MB. WITHIN 360 NM S SEMICIRCLE OF FIRST CENTER AND WITHIN 360 NM SW SEMICIRCLE OF SECOND CENTER WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 39N TO 60N E OF 50W WINDS TO 25 KT. SEAS TO 2.5 M. ...GALE WARNING... .48 HOUR FORECAST LOW 66N60W 992 MB. WITHIN 180 NM E AND 300 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE N OF 50N W OF 50W WINDS TO 25 KT. SEAS TO 2.5 M. .SYNOPSIS AND FORECAST. .LOW WELL E OF AREA 56N14W 969 MB MOVING NE 05 KT. FROM 46N TO 58N E OF 38W WINDS TO 25 KT. SEAS 2.5 TO 3.5 IN NW SWELL. .06 HOUR FORECAST CONDITIONS E OF AREA. .LOW 62N57W 1005 MB MOVING SE 10 KT. WITHIN 240 NM OF LOW CENTER WINDS LESS THAN 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LOW 60N49W 1004 MB. WITHIN 120 NM NE AND 300 NM S AND SW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M...HIGHEST NE OF CENTER. .48 HOUR FORECAST LOW AND CONDITIONS DESCRIBED WITH LOW 54N40W IN WARNINGS SECTION ABOVE. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 56N BETWEEN 45W AND 54W...S OF 33N BETWEEN 71W AND 79W...AND WITHIN 240 NM NW OF A LINE FROM 56N60W TO 65N50W. .24 HOUR FORECAST DENSE FOG FROM 42N TO 52N BETWEEN 45W AND 55W...FROM 52N TO 55N E OF 39W...WITHIN 300 NM NE OF A LINE FROM 55N50W TO 67N57W...AND N OF 60N W OF 60W. .48 HOUR FORECAST DENSE FOG FROM 47N TO 56N E OF 43W...WITHIN 120 NM EITHER SIDE OF A LINE FROM 36N70W TO 41N59W...AND N OF 55N W OF 50W. .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 SUN AUG 31. 24 HOUR FORECAST VALID 0000 UTC MON SEP 1. 48 HOUR FORECAST VALID 0000 UTC TUE SEP 2. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC 24 HOUR FORECAST WITHIN 31N76.5W TO 31N81W TO 30.5N80.5W TO 30N77.5W TO 30.5N76.5W TO 31N76.5W NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST WITHIN 31N79W TO 31N80.5W TO 30.5N80W TO 30.5N79W TO 31N79W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .CARIBBEAN WITHIN 13N69W TO 13N74W TO 13N75W TO 11N76W TO 12N73W TO 11N69W TO 13N69W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST WITHIN 13N70W TO 13N71W TO 13N72W TO 12N72W TO 11N72W TO 12N69W 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 DELGADO. NATIONAL HURRICANE CENTER. $$