High Seas Forecast
Issued by NWS
Issued by NWS
178 FZNT01 KWBC 260932 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC WED NOV 26 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 NOV 26. 24 HOUR FORECAST VALID 0600 UTC NOV 27. 48 HOUR FORECAST VALID 0600 UTC NOV 28. .WARNINGS. ...STORM WARNING... .COMPLEX LOW WITH MAIN CENTER 49N39W 992 MB MOVING NE 30 KT AND RAPIDLY INTENSIFYING. FROM 40N TO 50N BETWEEN 37W AND 43W AND FROM 38N TO 40N E OF 38W WINDS 30 TO 45 KT. SEAS 3.5 TO 5.5 M...HIGHEST NEAR 42N45W. ELSEWHERE FROM 31N TO 52N E OF 50W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .06 HOUR FORECAST LOW 51N36W 983 MB. BETWEEN 90 NM AND 420 NM S...WITHIN 480 NM SW...120 NM W AND N QUADRANTS WINDS 35 TO 50 KT. SEAS 4.5 TO 7 M...HIGHEST NEAR 46N38W. .24 HOUR FORECAST LOW WELL E OF AREA 56N24W 962 MB. FROM 44N TO 56N E OF 45W AND FROM 56N TO 64N E OF 40W WINDS 25 TO 40 KT. SEAS 3.5 TO 7 M...HIGHEST NEAR 47N35W. .48 HOUR FORECAST LOW WELL E OF AREA AND CONDITIONS DIMINISHED. ...GALE WARNING... .LOW JUST E OF THE AREA 63N34W 990 MB MOVING SE 15 KT. N OF 61N E OF 40W WINDS 25 TO 35 KT. SEAS 3.5 TO 5 M. .24 HOUR FORECAST LOW WELL E OF THE AREA. N OF 55N E OF 40W AREA OF NW TO N WINDS LESS THAN 25 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST LOW WELL E OF AREA AND CONDITIONS DIMINISHED. ...GALE WARNING... .W AND NW OF A LINE FROM 32N71W TO 43N61W AREA OF S TO SW WINDS 20 TO 30 KT. SEAS TO 2.5 M. .06 HOUR FORECAST W AND NW OF A LINE FROM 33N73W TO 42N64W AREA OF S TO SW WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. .24 HOUR FORECAST NEW LOW 39N67W 1008 MB. WITHIN 180 NM SE OF A LINE FROM 47N53W TO 37N71W WINDS 30 TO 40 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN 960 NM NE...600 NM E...360 NM SE...540 NM SW...240 NM NW QUADRANTS AND IN THE GULF OF SAINT LAWRENCE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M...EXCEPT TO 2.5 M IN THE GULF OF SAINT LAWRENCE. .48 HOUR FORECAST LOW E OF AREA 48N33W 1010 MB WITH A SECOND LOW TO FORM NEAR 41N56W 1008 MB. FROM 43N TO 46N E OF 42W AND WITHIN 180 NM E AND SE OF A FRONT FROM 42N54W TO 37N65W WINDS 30 TO 40 KT. SEAS 3.5 TO 6 M...HIGHEST E OF 40W. ELSEWHERE WITHIN 660 NM N...720 NM NE...420 NM SE...1320 NM SW AND 540 NM NW QUADRANTS OF SECOND LOW...INCLUDING THE GULF OF SAINT LAWRENCE WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M...EXCEPT TO 3 M IN THE GULF OF SAINT LAWRENCE. ...HEAVY FREEZING SPRAY WARNING... .LIGHT FREEZING SPRAY WITHIN 60 NM OF THE LABRADOR COAST FROM 51N TO 59N...FROM 62N TO 65N W OF 60W...N OF 65N W OF GREENLAND AND N OF 64N E OF GREENLAND. .24 HOUR FORECAST LIGHT FREEZING SPRAY WITHIN 90 NM OF THE LABRADOR COAST FROM 52N TO 60N...N OF 60N W OF 60W...WITHIN 60 NM W OF THE GREENLAND COAST FROM 60N TO 67N...WITHIN 60 NM E OF THE GREENLAND COAST FROM 60N TO 64N AND N OF 64N E OF GREENLAND. .48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE FROM 62N61W TO 67N60W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 55N W OF 55W...WITHIN 60 NM W OF THE GREENLAND COAST FROM 60N TO 67N...WITHIN 60 NM E OF THE GREENLAND COAST FROM 60N TO 64N AND N OF 64N E OF GREENLAND. .SYNOPSIS AND FORECAST. .LOW 61N58W 993 MB NEARLY STATIONARY. FROM 53N TO 57N W OF 50W AND WITHIN 180 NM S...W AND 360 NM NW AND N QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M. .24 HOUR FORECAST LOW 61N58W 998 MB. WITHIN 180 NM S AND SW OF A LINE FROM 55N45W TO THE LOW TO 65N63W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM NEAR 65N58W 999 MB. N OF 60N W OF GREENLAND WINDS TO 25 KT. SEAS TO 3 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 60N TO 64N W OF 60W...WITHIN 90 NM W AND NW OF A LINE FROM 55N53W TO 62N50W AND FROM 47N TO 49N BETWEEN 46W AND 49W. .24 HOUR FORECAST DENSE FOG WITHIN 240 NM NW OF A LINE FROM 41N67W TO 46N50W...INCLUDING THE BAY OF FUNDY AND WITHIN 120 NM W OF A LINE FROM 61N57W TO 65N58W. .48 HOUR FORECAST DENSE FOG WITHIN 420 NM NW OF A LINE FROM 42N51W TO 47N42W...FROM 62N TO 65N E OF 60W TO GREENLAND AND N OF 65N W OF GREENLAND. .FORECASTER FUTTERMAN. 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 0600 UTC WED NOV 26. 24 HOUR FORECAST VALID 0600 UTC THU NOV 27. 48 HOUR FORECAST VALID 0600 UTC FRI NOV 28. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC WITHIN 31N48W TO 31N54W TO 30N53W TO 30N52W TO 31N49W TO 31N48W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .24 HOUR FORECAST WITHIN 31N37W TO 31N52W TO 29N51W TO 26N55W TO 26N48W TO 31N37W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL. .48 HOUR FORECAST WITHIN 29N38W TO 31N36W TO 31N46W TO 26N55W TO 24N54W TO 25N48W TO 29N38W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .ATLC AND CARIBBEAN WITHIN 21N71W TO 21N72W TO 21N73W TO 21N74W TO 20N74W TO 20N71W TO 21N71W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .CARIBBEAN WITHIN 18N71W TO 17N77W TO 16N80W TO 10N81W TO 11N71W TO 14N69W TO 18N71W...INCLUDING IN MONA PASSAGE AND THE GULF OF VENEZUELA... NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. .24 HOUR FORECAST WITHIN 17N71W TO 17N77W TO 14N80W TO 11N78W TO 10N76W TO 13N72W TO 17N71W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. WITHIN 13N80W TO 16N79W TO 16N80W TO 13N83W TO 10N81W TO 10N77W TO 13N80W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL. .48 HOUR FORECAST WITHIN 14N74W TO 13N78W TO 11N77W TO 11N75W TO 12N73W TO 14N74W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. WITHIN 12N78W TO 14N74W TO 15N77W TO 14N80W TO 10N81W TO 11N76W TO 12N78W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .GULF OF AMERICA 06 HOUR FORECAST COLD FRONT FROM 30N85W TO 26N97W. WITHIN 30N91W TO 30N94W TO 29N95W TO 29N97W TO 27N97W TO 27N95W TO 30N91W N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST COLD FRONT FROM 27N82W TO 22N97W. WITHIN 31N86W TO 30N90W TO 29N91W TO 28N90W TO 28N88W TO 29N85W TO 31N86W N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST COLD FRONT EXITED GULF. WITHIN 26N82W TO 30N86W TO 25N95W TO 22N96W TO 21N90W TO 23N84W TO 26N82W... INCLUDING STRAITS OF FLORIDA...NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER LANDSEA. NATIONAL HURRICANE CENTER. $$