


High Seas Forecast
Issued by NWS
Issued by NWS
189 FZNT01 KWBC 040959 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC FRI JUL 04 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC JUL 04. 24 HOUR FORECAST VALID 0600 UTC JUL 05. 48 HOUR FORECAST VALID 0600 UTC JUL 06. .WARNINGS. ...GALE WARNING... .36 HOUR FORECAST FROM 57N TO 63N W OF 56W AREA OF S WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST LOW 63N67W 984 MB. WITHIN 240 NM E OF A LINE FROM 67N58W TO 60N61W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN 480 NM E AND 600 NM SE QUADRANTS WINDS TO 25 KT. SEAS TO 3 M. .SYNOPSIS AND FORECAST. .LOW 50N63W 1005 MB MOVING NE 15 KT. WITHIN 360 NM E OF A LINE FROM 48N55W TO 40N63W TO 34N71W AREA OF SW WINDS 20 TO 30 KT. SEAS TO 4 M...HIGHEST NEAR 40N61W. .24 HOUR FORECAST LOW 51N53W 1010 MB. WITHIN 240 NM SE OF A LINE FROM 53N37W TO 50N50W TO 36N64W WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED. .COMPLEX LOW WITH FIRST LOW 58N48W 1005 MB MOVING SE 05 KT...AND SECOND LOW E OF AREA 60N32W 997 MB MOVING E 15 KT. FROM 48N TO 60N E OF 40W...AND FROM 54N TO 57N BETWEEN 40W AND 52W WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST FIRST LOW DISSIPATED AND SECOND LOW AND ASSOCIATED CONDITIONS E OF AREA. .LOW 37N39W 1022 MB MOVING SW 05 KT. FROM 33N TO 40N E OF 38W WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW 34N41W 1022 MB. FROM 31N TO 40N E OF 40W WINDS LESS THAN 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST LOW DISSIPATED. .24 HOUR FORECAST LOW JUST S OF AREA 30N80W 1012 MB...POSSIBLE TROPICAL CYCLONE. FROM 31N TO 34N W OF 75W AREA OF E TO SE WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW 31N80W 1010 MB...POSSIBLE TROPICAL CYCLONE. FROM 31N TO 35N W OF 74W AREA OF E TO SE WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST NEW LOW 61N43W 1005 MB. WITHIN 180 NM S AND SW QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST LOW 62N41W 1004 MB. FROM 57N TO 61N BETWEEN 35W AND 45W WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW 50N54W 1007 MB. WITHIN 360 NM S AND 540 NM E QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 48N TO 51N E OF 37W...FROM 42N TO 52N BETWEEN 43W AND 61W...AND FROM 41N TO 45N BETWEEN 61W AND 67W. .24 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE FROM 54N35W TO 48N35W TO 42N60W TO 51N54W TO 54N35W. .48 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE FROM 54N35W TO 49N35W TO 42N50W TO 50N57W TO 61N60W TO 55N50W TO 54N35W...AND N OF A LINE FROM 58N70W TO 65N58W. .FORECASTER BANCROFT. 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 0600 UTC FRI JUL 04. 24 HOUR FORECAST VALID 0600 UTC SAT JUL 05. 48 HOUR FORECAST VALID 0600 UTC SUN JUL 06. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC N OF 28N BETWEEN 78W AND 79.5W S WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LOW PRES...PSBL TRPCL CYCLONE...NEAR 30N80W 1012 MB. WITHIN 210 NM NE QUADRANT OF CENTER WINDS 20 TO 25 KT. SEAS BUILDING TO 2.5 M NE QUADRANT. .48 HOUR FORECAST LOW PRES...PSBL TRPCL CYCLONE...NEAR 30.5N80W 1010 MB. OVER FORECAST WATERS WITHIN 210 E SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 2.5 M. .ATLC FROM 20N TO 21N BETWEEN 70W AND 72W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .CARIBBEAN FROM 11N TO 16N BETWEEN 68W AND 77W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER.