


High Seas Forecast
Issued by NWS
Issued by NWS
463 FZNT01 KWBC 030419 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC SUN AUG 03 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC AUG 03. 24 HOUR FORECAST VALID 0000 UTC AUG 04. 48 HOUR FORECAST VALID 0000 UTC AUG 05. .WARNINGS. ...GALE WARNING... .LOW 61N42W 991 MB MOVING E 20 KT. WITHIN 180 NM S AND SW SEMICIRCLES...ALSO FROM 57N TO 60N E OF 44W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. .24 HOUR FORECAST LOW DISSIPATED E OF AREA. WITHIN 120 NM S AND SW OF A LINE FROM 60N43W TO 58N35W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 58N55W. ...GALE WARNING... .LOW 47N41W 1005 MB MOVING NE 45 KT. WITHIN 90 NM N SEMICIRCLE AND 180 NM S QUADRANT WINDS 25 TO 35 KT. SEAS TO 3 M. ELSEWHERE FROM 42N TO 49N E OF 46W WINDS 20 TO 30 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW AND CONDITIONS E OF AREA. ...GALE WARNING... .LOW 33N74W 1012 MB MOVING E 10 KT. WITHIN 180 NM N AND NW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN 240 NM NW SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW 34N71W 1008 MB. WITHIN 240 NM NW SEMICIRCLE AND 120 NM S AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 36N67W 1011 MB. WITHIN 240 NM NW SEMICIRCLE AND 180 NM S AND SE QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M. ...GALE WARNING... .24 HOUR FORECAST LOW 58N61W 994 MB. FROM 48N TO 52N BETWEEN 56W AND 62W WINDS 25 TO 35 KT. SEAS TO 3 M. ELSEWHERE WITHIN 660 NM S QUADRANT WINDS 20 TO 30 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW 58N55W 1000 MB. WITHIN 120 NM W SEMICIRCLE...AND FROM 54N TO 60N E OF 40W WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE FROM 54N TO 59N W OF 55W...ALSO E OF A LINE FROM 60N43W TO 50N56W WINDS 20 TO 30 KT. SEAS TO 3 M. .SYNOPSIS AND FORECAST. .LOW 39N56W 1015 MB MOVING E 5 KT. FROM 37N TO 41N BETWEEN 55W AND 58W...ALSO FROM 39N TO 41N BETWEEN 55W AND 65W WINDS TO 25 KT. SEAS TO 2.5 M .24 HOUR FORECAST LOW 40N52W 1017 MB. FROM 38N TO 41N BETWEEN 56W AND 60W WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST LOW 47N40W 1018 MB. WITHIN 300 NM SE SEMICIRCLE AND 180 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS TO 2.5 M. .48 HOUR FORECAST N OF 63N W OF 60W WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 47N TO 49N E OF 38W. .24 HOUR FORECAST DENSE FOG FROM 56N TO 58N W OF 58W. .48 HOUR FORECAST CONDITIONS IMPROVED. .FORECASTER SHAW. 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 SUN AUG 3. 24 HOUR FORECAST VALID 0000 UTC MON AUG 4. 48 HOUR FORECAST VALID 0000 UTC TUE AUG 5. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .CARIBBEAN WITHIN 12N70W TO 13N74W TO 11N75W TO 12N73W TO 10N72W TO 11N69W TO 12N70W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST WITHIN 14N68W TO 15N73W TO 12N74W TO 10N72W TO 12N66W TO 14N68W...INCLUDING THE GULF OF VENEZUELA...E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST WITHIN 14N69W TO 15N72W TO 14N76W TO 11N75W TO 11N72W TO 11N69W TO 14N69W...INCLUDING THE GULF OF VENEZUELA...E WINDS 20 TO 30 KT. SEAS 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. $$ .FORECASTER RAMOS. NATIONAL HURRICANE CENTER.