FZNT01 KWBC 110930 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC WED MAR 11 2026 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC MAR 11. 24 HOUR FORECAST VALID 0600 UTC MAR 12. 48 HOUR FORECAST VALID 0600 UTC MAR 13. .WARNINGS. ...STORM WARNING... .LOW 57N38W 972 MB MOVING E 25 KT. FROM 52N TO 57N E OF 47W WINDS 35 TO 50 KT. SEAS 5 TO 8 M. ELSEWHERE FROM 46N TO 58N E OF 49W WINDS 25 TO 35 KT. SEAS 3.5 TO 6 M. .24 HOUR FORECAST LOW MOVED E OF AREA AND CONDITIONS MERGED WITH LOW 59N37W DESCRIBED BELOW. ...STORM WARNING... .LOW 62N58W 976 MB MOVING SE 10 KT. FROM 59N TO 61N W OF 56W WINDS 35 TO 45 KT. SEAS 4 TO 6 M. ELSEWHERE N OF 51N W OF 49W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. .12 HOUR FORECAST LOW 60N55W 976 MB. WITHIN 90 NM S AND 180 NM W QUADRANTS WINDS 40 TO 50 KT. SEAS 6 TO 9 M. .24 HOUR FORECAST LOW 57N49W 980 MB. WITHIN 180 NM SW SEMICIRCLE WINDS 35 TO 45 KT. SEAS 7 TO 10 M. ELSEWHERE FROM 50N TO 62N W OF 47W WINDS 25 TO 35 KT. SEAS 4 TO 8 M. .48 HOUR FORECAST LOW MOVED WELL E OF AREA. FROM 52N TO 56N E OF 43W WINDS LESS THAN 25 KT. SEAS 4 TO 6 M. ...STORM WARNING... .18 HOUR FORECAST LOW 59N40W 985 MB. FROM 52N TO 59N E OF 43W WINDS 35 TO 50 KT. SEAS 5 TO 7.5 M. .24 HOUR FORECAST LOW 59N37W 979 MB. FROM 51N TO 60N E OF 45W WINDS 35 TO 50 KT. SEAS 6 TO 10 M. ELSEWHERE FROM 46N TO 62N E OF 47W WINDS 25 TO 35 KT. SEAS 4 TO 7 M. .48 HOUR FORECAST LOW DISSIPATED. FROM 58N TO 60N E OF 42W WINDS 35 TO 45 KT. SEAS 5 TO 7 M. ELSEWHERE FROM 56N TO 61N E OF 48W WINDS 25 TO 35 KT. SEAS 4 TO 6.5 M. ...GALE WARNING... .36 HOUR FORECAST LOW INLAND NEAR 48N66W 991 MB. FROM 32N TO 41N W OF A LINE FROM 32N75W TO 41N63W WINDS 25 TO 35 KT. SEAS TO 4 M. .48 HOUR FORECAST LOW INLAND NEAR 50N60W 990 MB. S AND W OF A LINE FROM 52N50W TO 52N35W TO 44N35W TO 43N48W TO 31N68W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M...HIGHEST E OF CENTER. ...HEAVY FREEZING SPRAY WARNING... .MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF 55W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 48N W OF 46W. .24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF 54W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 47N W OF 47W. .48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF 55W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 56N W OF 49W. .SYNOPSIS AND FORECAST. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 47N BETWEEN 45W AND 54W...FROM 55N TO 59N E OF 53W...AND FROM 59N TO 64N W OF 50W. .24 HOUR FORECAST DENSE FOG N OF 39N W OF 58W...FROM 57N TO 61N W OF 56W....AND FROM 57N TO 60N E OF 43W. .48 HOUR FORECAST DENSE FOG FROM 42N TO 57N BETWEEN 39W AND 64W. .FORECASTER POCHE. 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 MAR 11. 24 HOUR FORECAST VALID 0600 UTC THU MAR 12. 48 HOUR FORECAST VALID 0600 UTC FRI MAR 13. .WARNINGS. ...CARIBBEAN GALE WARNING... .WITHIN 12N74W TO 12N75W TO 11N76W TO 11N75W TO 11N74W TO 12N74W NE TO E WINDS 25 TO 35 KT. SEAS 3.0 TO 4.0 M. ELSEWHERE WITHIN 14N75W TO 13N77W TO 10N76W TO 12N75W TO 10N71W TO 11N71W TO 14N75W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN NE TO E SWELL...EXCEPT LESS THAN 2.5 M E OF 74W. .06 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS BELOW GALE FORCE. .24 HOUR FORECAST WITHIN 12N71W TO 13N74W TO 12N78W TO 10N76W TO 11N74W TO 11N72W TO 12N71W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M...EXCEPT LESS THAN 2.5 M E OF 74W. .48 HOUR FORECAST LITTLE CHANGE. .SYNOPSIS AND FORECAST. .ATLC TROUGH FROM 31N46.5W TO 20N46W. WITHIN 29N35W TO 30N40W TO 28N41W TO 22N35W TO 29N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL. .24 HOUR FORECAST TROUGH FROM 30N53W TO 22N53W. WITHIN 30N35W TO 29N39W TO 29N46W TO 26N44W TO 27N40W TO 25N35W TO 30N35W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN NE TO E SWELL. .48 HOUR FORECAST TROUGH WEAKENING FROM 31N58W TO 24N58W. WITHIN 30N35W TO 29N46W TO 24N50W TO 19N44W TO 25N41W TO 26N35W TO 30N35W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .ATLC WITHIN 16N53W TO 18N61W TO 09N60W TO 06N53W TO 07N48W TO 16N53W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL. .24 HOUR FORECAST WITHIN 10N46W TO 10N53W TO 14N59W TO 10N60W TO 06N52W TO 07N44W TO 10N46W...INCLUDING ATLANTIC EXPOSURES... WINDS 20 KT OR LESS. SEAS TO 2.5 M IN NE SWELL. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .ATLC 24 HOUR FORECAST COLD FRONT W OF AREA. WITHIN 31N78W TO 31N81W TO 30N80W TO 30N79W TO 31N78W S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .42 HOUR FORECAST COLD FRONT FROM 31N76.5W TO 28.5N80.5W. WITHIN 31N77W TO 31N81W TO 31N82W TO 29N80W TO 31N77W NW TO N WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST COLD FRONT FROM 31N73W TO 27N80W. WITHIN 31N73W TO 31N81W TO 27N80W TO 28N77W TO 31N73W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .ATLC AND CARIBBEAN WITHIN 21N73W TO 21N74W TO 19N76W TO 17N72W TO 17N71W TO 18N70W TO 21N73W...INCLUDING THE WINDWARD PASSAGE... AND S OF HISPANIOLA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .GULF OF AMERICA WITHIN 29N93W TO 29N95W TO 26N97W TO 24N97W TO 26N94W TO 29N93W SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .18 HOUR FORECAST WITHIN 23N87W TO 23N88W TO 22N89W TO 21N89W TO 22N87W TO 23N87W 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. .GULF OF AMERICA DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 30N85W TO 30N86W TO 29N86W TO 29N85W TO 30N85W. .09 HOUR FORECAST CONDITIONS IMPROVE. .GULF OF AMERICA 24 HOUR FORECAST COLD FRONT FROM 30N91W TO 26N97W. WITHIN 30N88W TO 30N90W TO 29N97W TO 27N96W TO 28N93W TO 28N90W TO 30N88W NW TO N WINDS 20 TO 30 KT. SEAS BUILDING TO 2.5 TO 3.5 M. .36 HOUR FORECAST COLD FRONT FROM 30N82.5W TO 18.5N93W. WITHIN 29N85W TO 31N88W TO 27N97W TO 21N97W TO 19N95W TO 25N93W TO 29N85W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ...NW TO N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST STATIONARY FRONT WEAKENING FROM 27N82W TO 21.5N90W. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER. $$