National Weather Service Marine Forecast FZNT01 KWBC

FZNT01 KWBC 262135
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC THU MAR 26 2026

CCODE/2:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

FROM APRIL 1 TO OCTOBER 15, DUE TO CLIMATOLOGY OF THE NORTH ATLANTIC, HIGH SEAS FORECASTS WILL ONCE AGAIN INCLUDE ALL FORECASTS OF WINDS 20 TO 30 KNOTS AND SEAS 2.5 METERS OR GREATER.

SECURITE

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1800 UTC MAR 26. 24 HOUR FORECAST VALID 1800 UTC MAR 27. 48 HOUR FORECAST VALID 1800 UTC MAR 28.

.WARNINGS.

HURRICANE FORCE WIND WARNING

.LOW E OF AREA NEAR 63N28W 967 MB MOVING NE 20 KT. WITHIN 300 NM W QUADRANT WINDS 55 TO 70 KT. SEAS 8 TO 11.5 M. ELSEWHERE N OF A LINE FROM 55N35W TO 59N43W WINDS 40 TO 55 KT. SEAS 6 TO 9 M. ALSO N OF A LINE FROM 52N35W TO 59N46W WINDS 25 TO 40 KT. SEAS 3 TO 7 M...HIGHEST ALONG 35W. .24 HOUR FORECAST LOW WELL E OF AREA NEAR 65N09W 973 MB. N OF 60N E OF GREENLAND WINDS TO 25 KT. SEAS 2.5 TO 5 M. .48 HOUR FORECAST CONDITIONS MOVED E OF AREA.

HURRICANE FORCE WIND WARNING

.FROM 36N TO 50N W OF 55W AREA OF S TO SW WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M. .12 HOUR FORECAST NEW LOW 50N62W 997 MB AND RAPIDLY INTENSIFYING. BETWEEN 300 NM AND 480 NM E QUADRANT WINDS 40 TO 50 KT. SEAS 4 TO 6 M. .24 HOUR FORECAST LOW 54N52W 978 MB. WITHIN 300 NM E AND SE OF A LINE FROM 54N48W TO 44N57W WINDS 40 TO 55 KT. SEAS 4 TO 8 M. ELSEWHERE W OF A LINE FROM 34N64W TO 40N43W TO 47N35W TO 60N35W WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M...EXCEPT WHERE NOTED ABOVE. .36 HOUR FORECAST LOW 59N50W 952 MB. WITHIN 240 NM NE QUADRANT S OF 61N WINDS 50 TO 65 KT. SEAS 5 TO 7 M. .48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 60N47W 958 MB AND NEW SECOND CENTER 63N39W 962 MB. WITHIN 120 NM N QUADRANT OF SECOND CENTER WINDS 55 TO 70 KT. SEAS 6.5 TO 8.5 M. ELSEWHERE WITHIN 480 NM SE AND S SEMICIRCLES OF FIRST CENTER...AND N OF 64N E OF GREENLAND WINDS 40 TO 55 KT. SEAS 4 TO 12 M...HIGHEST NEAR 56N35W. ALSO N OF 48N E OF 66W...AND WITHIN 240 NM S OF A FRONT FROM 49N35W TO 42N50W WINDS 25 TO 40 KT. SEAS 2.5 TO 6 M....EXCEPT N OF 51N SEAS 4.5 TO 9 M.

GALE WARNING

.LOW 62N54W 1004 MB MOVING NE 15 KT. FROM 59N TO 62N BETWEEN 48W AND 57W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M. .24 HOUR FORECAST LOW DISSIPATED INLAND OVER GREENLAND. N OF 65N W OF GREENLAND WINDS 25 TO 35 KT. SEAS LESS THAN 2.5 M. .36 HOUR FORECAST CONDITIONS DIMINISHED.

GALE WARNING

.COMPLEX LOW WITH MAIN CENTER 54N43W 1013 MB MOVING NE 25 KT. FROM 44N TO 54N E OF 53W...AND FROM 53N TO 57N W OF 48W WINDS 25 TO 40 KT. SEAS 3 TO 6 M...EXCEPT WHERE NOTED ABOVE. .24 HOUR FORECAST LOW DISSIPATED. CONDITIONS MOVED E OF AREA.

GALE WARNING

.42 HOUR FORECAST NEW LOW 38N63W 1010 MB. FROM 34N TO 42N BETWEEN 41W AND 72W...AND FROM 31N TO 41N W OF 72W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST LOW 39N60W 1008 MB. FROM 34N TO 43N BETWEEN 40W AND 70W...AND FROM 31N TO 40N W OF 70W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.

HEAVY FREEZING SPRAY WARNING

MODERATE TO HEAVY FREEZING SPRAY N OF 64N E OF 36W
N OF 54N W OF 53W...AND IN THE GULF OF SAINT LAWRENCE N OF 49N W OF 61W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM 63N35W TO 59N43W TO 59N49W...AND N OF 48N W OF 48W. .24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW OF A LINE FROM 65N53W TO 60N60W...AND IN THE GULF OF SAINT LAWRENCE W OF 62W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 64N E OF GREENLAND...NW OF A LINE FROM 60N46W TO 57N58W...AND N OF 46N W OF 58W. .48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW AND W OF A LINE FROM 64N52W TO 61N57W TO 53N47W TO 47N60W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY WITHIN 60 NM SE OF GREENLAND...AND NW AND W OF A LINE FROM 62N50W TO 54N43W TO 42N66W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 59N E OF 39W...FROM 54N TO 63N W OF 52W...AND FROM 43N TO 50N W OF 57W. .24 HOUR FORECAST DENSE FOG FROM 55N TO 59N BETWEEN 42W AND 54W...AND FROM 43N TO 48N BETWEEN 47W AND 61W.

48 HOUR FORECAST DENSE FOG N OF 61N E OF 42W
FROM 55N TO 61N W OF 53W...AND FROM 43N TO 46N BETWEEN 53W AND 59W.

.FORECASTER KELLS. 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 1800 UTC THU MAR 26. 24 HOUR FORECAST VALID 1800 UTC FRI MAR 27. 48 HOUR FORECAST VALID 1800 UTC SAT MAR 28.

.WARNINGS.

ATLANTIC GALE WARNING

.42 HOUR FORECAST COLD FRONT FROM 31N77W TO 30N81W. N OF FRONT N WINDS 20 TO 30 KT WITH FREQUENT GUSTS TO GALE FORCE. SEAS BUILDING TO 2.5 TO 3 M. .48 HOUR FORECAST COLD FRONT FROM 31N72W TO 27N81W. N OF FRONT N TO NE WINDS 20 TO 30 KT WITH FREQUENT GUSTS TO GALE FORCE. SEAS 2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

CARIBBEAN FROM 10N TO 13N BETWEEN 70W AND 77W
INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT...EXCEPT 25 TO 30 KT NEAR THE COAST OF COLOMBIA. SEAS 2.5 TO 3 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE.

.GULF OF AMERICA 42 HOUR FORECAST COLD FRONT FROM 29N83W TO 28N97W. N OF FRONT N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST COLD FRONT FROM 28N83W TO 27N91W. N OF FRONT N TO NE 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.

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.FORECASTER GR. NATIONAL HURRICANE CENTER.