National Weather Service Marine Forecast FZNT01 KWBC

FZNT01 KWBC 271544
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU MAR 27 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CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

SECURITE

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

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1200 UTC MAR 27. 24 HOUR FORECAST VALID 1200 UTC MAR 28. 48 HOUR FORECAST VALID 1200 UTC MAR 29.

.WARNINGS.

GALE WARNING

.LOW E OF AREA NEAR 64N28W 983 MB MOVING SE 10 KT. N OF 54N E OF 50W WINDS 25 TO 40 KT. SEAS 8 TO 15 FT. .24 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

GALE WARNING

.LOW 60N53W 1001 MB MOVING E 15 KT. FROM 58N TO 62N BETWEEN 50W AND 60W WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST COMPLEX LOW WITH FIRST LOW 60N46W 1001 MB AND SECOND NEW LOW 61N41W 996 MB. FROM 58N TO 61N BETWEEN 40W AND 48W...AND N OF 60N E OF GREENLAND WINDS 25 TO 35 KT. SEAS TO 11 FT. .48 HOUR FORECAST COMPLEX LOW WITH NEW MAIN LOW 63N39W 999 MB. N OF 58N E OF 45W WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.

GALE WARNING

.LOW 45N60W 1001 MB MOVING NE 35 KT. S OF 48N BETWEEN 71W AND A LINE FROM 31N50W TO 41N40W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. .24 HOUR FORECAST LOW 53N45W 994 MB. FROM 42N TO 56N BETWEEN 52W AND 35W WINDS 25 TO 40 KT. SEAS 9 TO 17 FT...HIGHEST S OF CENTER. .48 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

GALE WARNING

.LOW 34N74W 1024 MB MOVING NE 40 KT. WINDS LESS THAN 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LOW 40N51W 1013 MB. FROM 31N TO 42N BETWEEN 65W A LINE FROM 31N49W TO 42N36W WINDS 25 TO 40 KT. SEAS 8 TO 14 FT. .48 HOUR FORECAST LOW 49N38W 1000 MB. S OF 54N TO A LINE FROM 31N47W TO 31N45W TO 39N35W WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.

GALE WARNING

.24 HOUR FORECAST N OF A LINE FROM 36N74W TO 39N66W WINDS 20 TO 30 KT. SEAS TO 8 FT. .30 HOUR FORECAST NEW LOW 45N65W 1011 MB. WITHIN 480 NM S QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. .48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 44N55W 1012 MB. WITHIN 420 NM S QUADRANT WINDS 25 TO 40 KT. SEAS 8 TO 14 FT. ELSEWHERE N OF 35N BETWEEN 75W AND A LINE FROM 35N47W TO 42N47W TO 50N62W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.

HEAVY FREEZING SPRAY WARNING

.LIGHT TO MODERATE FREEZING SPRAY W AND NW OF A LINE FROM 55N52W TO 60N41W...AND N OF 63N E OF GREENLAND. .24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 62N60W TO 66N55W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY W AND N OF A LINE FROM 50N53W TO 59N50W TO 60N41W...AND N OF 64N E OF GREENLAND. .48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF 55W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 48N W OF 50W...N OF 59N BETWEEN 40W AND 50W...N OF 64N E OF GREENLAND...AND N OF 44N W OF 60W INCLUDING THE GULF OF SAINT LAWRENCE.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 49N BETWEEN 46W AND 66W...AND FROM 51N TO 54N BETWEEN 52W AND 55W.

24 HOUR FORECAST DENSE FOG FROM 51N TO 58N E OF 40W
N OF 63N E OF 37W...AND WITHIN 180 NM N AND W OF A LINE FROM 55N40W TO 49N50W. .48 HOUR FORECAST DENSE FOG FROM 63N TO 65N BETWEEN 37W AND GREENLAND...FROM 48N TO 53N BETWEEN 37W AND 44W...FROM 45N TO 50N BETWEEN 50W AND 62W...AND FROM 42N TO 45N BETWEEN 65W 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 THU MAR 27. 24 HOUR FORECAST VALID 1200 UTC FRI MAR 28. 48 HOUR FORECAST VALID 1200 UTC SAT MAR 29.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N35W TO 25N59W TO 06N57W TO 07N35W TO 31N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES AND ATLANTIC EXPOSURES...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. .24 HOUR FORECAST WITHIN 31N35W TO 23N58W TO 10N60W TO 06N56W TO 07N35W TO 31N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. .48 HOUR FORECAST WITHIN 24N35W TO 21N41W TO 20N63W TO 12N61W TO 06N53W TO 08N37W TO 24N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL.

.ATLC 12 HOUR FORECAST WITHIN 30N65W TO 27N73W TO 26N76W TO 24N75W TO 24N72W TO 27N66W TO 30N65W NE WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST WITHIN 28N59W TO 31N59W TO 31N65W TO 27N79W TO 23N80W TO 22N72W TO 28N59W NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST WITHIN 28N51W TO 31N50W TO 28N77W TO 26N78W TO 20N68W TO 20N64W TO 28N51W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.

.ATLC AND CARIBBEAN 24 HOUR FORECAST WITHIN 20N73W TO 20N74W TO 20N75W TO 20N76W TO 19N75W TO 20N73W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN WITHIN 12N74W TO 13N75W TO 13N76W TO 12N77W TO 10N77W TO 11N74W TO 12N74W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .24 HOUR FORECAST WITHIN 12N73W TO 13N74W TO 13N76W TO 12N77W TO 10N77W TO 10N76W TO 12N73W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST WITHIN 13N74W TO 14N77W TO 12N78W TO 10N78W TO 10N76W TO 11N74W TO 13N74W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. WITHIN 16N71W TO 18N71W TO 17N74W TO 16N74W TO 14N75W TO 13N72W TO 16N71W E WINDS 20 TO 25 KT. SEAS 8 FT.

.CARIBBEAN 12 HOUR FORECAST WITHIN 21N77W TO 22N79W TO 22N80W TO 20N80W TO 19N78W TO 19N77W TO 21N77W...INCLUDING BETWEEN CUBA AND JAMAICA...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST WITHIN 21N77W TO 22N81W TO 21N81W TO 20N81W TO 19N79W TO 20N77W TO 21N77W...INCLUDING BETWEEN CUBA AND JAMAICA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN 36 HOUR FORECAST WITHIN 17N86W TO 17N87W TO 16N87W TO 16N86W TO 17N86W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF AMERICA 12 HOUR FORECAST WITHIN 25N80W TO 25N81W TO 24N83W TO 24N80W TO 25N80W...INCLUDING STRAITS OF FLORIDA...NE TO E WINDS 20 TO 25 KT. SEAS 8 FT. WITHIN 23N82W TO 24N85W TO 23N88W TO 22N91W TO 21N91W TO 23N84W TO 23N82W...INCLUDING WITHIN 60 NM OF COAST OF CAMPECHE AND IN YUCATAN CHANNEL...E WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST WITHIN 29N86W TO 29N93W TO 27N96W TO 19N94W TO 23N89W TO 23N81W TO 29N86W...INCLUDING STRAITS OF FLORIDA AND WITHIN 60 NM OF COAST OF CAMPECHE...E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .48 HOUR FORECAST WITHIN 28N87W TO 28N92W TO 27N93W TO 22N92W TO 26N84W TO 28N87W SE TO S WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. WITHIN 24.5N80.5W TO 24.5N83W TO 24N83.5W TO 23.5N82.5W TO 23.5N81W TO 24N80.5W TO 24.5N80.5W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FORECASTER ERA. NATIONAL HURRICANE CENTER.