


High Seas Forecast
Issued by NWS
Issued by NWS
363 FZNT01 KWBC 291550 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1630 UTC TUE JUL 29 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC JUL 29. 24 HOUR FORECAST VALID 1200 UTC JUL 30. 48 HOUR FORECAST VALID 1200 UTC JUL 31. .WARNINGS. ...GALE WARNING... .LOW 65N35W 993 MB MOVING NE 10 KT. N OF 55N E OF 43W WINDS 25 TO 35 KT. SEAS TO 3.5 M. .24 HOUR FORECAST LOW AND CONDITIONS E OF AREA. .SYNOPSIS AND FORECAST. .N OF 64 N BETWEEN GREENLAND AND 57W WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST CONDITIONS DIMINISHED. .24 HOUR FORECAST LOW 55N55W 1005 MB. WITHIN 420 NM SE QUADRANT WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST LOW 60N39W 1006 MB. FROM 57N TO 61N BETWEEN 35W AND 44W WINDS TO 25 KT. SEAS TO 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 40N BETWEEN 63W AND 72W. .24 HOUR FORECAST DENSE FOG FROM 45N TO 50N BETWEEN 44W AND 51W...AND FROM 51N TO 56N BETWEEN 50W AND 56W...FROM 56N TO 58N W OF 59W...AND N OF 40N BETWEEN 64W AND 71W. .48 HOUR FORECAST DENSE FOG FROM 48N TO 60N BETWEEN 35W AND 40W...FROM 44N TO 56N BETWEEN 40W AND 50W...FROM 49N TO 56N BETWEEN 50W AND 60W...N OF 64N W OF 60W...AND N OF 40N BETWEEN 64W AND 70W. .FORECASTER EHRBAR. 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 1200 UTC TUE JUL 29. 24 HOUR FORECAST VALID 1200 UTC WED JUL 30. 48 HOUR FORECAST VALID 1200 UTC THU JUL 31. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC 42 HOUR FORECAST TROPICAL WAVE ALONG 36W FROM 04N TO 18N. WITHIN 17N35W TO 17N37W TO 16N38W TO 14N37W TO 13N35W TO 17N35W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. .48 HOUR FORECAST TROPICAL WAVE ALONG 38NW FROM 04N TO 18N. WITHIN 17N36W TO 17N42W TO 14N40W TO 13N38W TO 15N35W TO 17N36W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M. .CARIBBEAN WITHIN 13N71W TO 14N71W TO 13N77W TO 11N77W TO 11N76W TO 12N73W TO 13N71W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M W OF 75W AND LESS THAN 2.5 M E OF 75W. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST WITHIN 12N75W TO 13N76W TO 13N77W TO 12N78W TO 10N78W TO 10N76W TO 12N75W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M W OF 75W AND LESS THAN 2.5 M E OF 75W. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER. $$