


High Seas Forecast
Issued by NWS
Issued by NWS
385 FZNT01 KWBC 041015 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC FRI APR 04 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC APR 04. 24 HOUR FORECAST VALID 0600 UTC APR 05. 48 HOUR FORECAST VALID 0600 UTC APR 06. .WARNINGS. ...STORM WARNING... .LOW 48N64W 1006 MB MOVING SE 30 KT. FROM 38N TO 43N BETWEEN 55W AND 64W WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE W OF A LINE FROM 51N58W TO 44N52W TO 39N55W TO 34N75W WINDS 20 TO 30 KT. SEAS TO 9 FT. .24 HOUR FORECAST LOW 43N45W 990 MB. WITHIN 360 NM NW AND 240 NM NE QUADRANTS AND FROM 33N TO 43N BETWEEN 40W AND 58W WINDS 25 TO 40 KT. SEAS 9 TO 17 FT. ELSEWHERE FROM 31N TO 49N BETWEEN 39W AND 67W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. .36 HOUR FORECAST LOW 41N42W 978 MB. FROM 34N TO 44N BETWEEN 41W AND 58W WINDS 40 TO 55 KT. SEAS 16 TO 26 FT. .48 HOUR FORECAST LOW 41N38W 972 MB. FROM 33N TO 46N BETWEEN 40W AND 49W WINDS 40 TO 50 KT. SEAS 18 TO 31 FT...HIGHEST NEAR 38N43W. ALSO FROM 31N TO 56N BETWEEN 40W AND 51W AND FROM 31N TO 48N BETWEEN 35W AND 40W WINDS 25 TO 40 KT. SEAS 11 TO 26 FT. ELSEWHERE E OF A LINE FROM 57N48W TO 31N54W WINDS 20 TO 30 KT. SEAS 10 TO 21 FT. ...GALE WARNING... .LOW 63N52W 999 MB MOVING NW 20 KT. N OF 59N BETWEEN 48W AND 58W WINDS 25 TO 40 KT. SEAS 8 TO 15 FT. ELSEWHERE N OF 57N W OF 46W WINDS TO 25 KT. SEAS 8 TO 16 FT...HIGHEST S OF 59N .24 HOUR FORECAST LOW AND CONDITIONS N OF AREA. ...GALE WARNING... .LOW E OF AREA 44N33W 997 MB MOVING SE 05 KT. WITHIN AN AREA BOUNDED BY A LINE FROM 35N35W TO 40N47W TO 54N35W TO 35N35W WINDS 25 TO 40 KT. SEAS 12 TO 19 FT. ELSEWHERE E OF A LINE FROM 57N37W TO 47N49W TO 31N53W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. .24 HOUR FORECAST LOW E OF AREA. FROM 33N TO 49N BETWEEN 35W AND 38W WINDS 20 TO 30 KT. SEAS 9 TO 18 FT...HIGHEST NEAR 42N35W. .48 HOUR FORECAST LOW AND CONDITIONS E OF AREA. ...GALE WARNING... .24 HOUR FORECAST NEW LOW 55N40W 1001 MB. WITHIN 240 NM SW QUADRANT AND WITHIN 240 NM W OF A LINE FROM LOW TO 61N42W WINDS 25 TO 40 KT. SEAS 8 TO 16 FT. .48 HOUR FORECAST LOW 60N42W 1008 MB. FROM 57N TO 61N BETWEEN 42W AND 49W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ...HEAVY FREEZING SPRAY WARNING... .MODERATE TO HEAVY FREEZING SPRAY NW AND N OF A LINE FROM 57N59W TO 61N52W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM 49N66W TO 47N48W. .24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW AND N OF A LINE FROM 58N59W TO 59N45W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 47N W OF 50W AND N OF 57N W OF 43W. .48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY WITHIN 60 NM OF THE GREENLAND COAST BETWEEN 44W AND 52W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY NW OF A LINE FROM 45N60W TO 46N50W TO 59N42W. .SYNOPSIS AND FORECAST. .LOW 63N38W 1012 MB MOVING N 10 KT. N OF 63N E OF GREENLAND WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. .24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. .48 HOUR FORECAST W OF A LINE FROM 44N65W TO 39N64W TO 31N77W AREA OF S TO SE WINDS 20 TO 30 KT. SEAS TO 9 FT. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM NW OF A LINE FROM 33N78W TO 40N67W TO 42N52W...N OF 62N W OF 51W...AND N OF 49N BETWEEN 35W AND 40W. .24 HOUR FORECAST DENSE FOG FROM 42N TO 46N BETWEEN 43W AND 52W...N OF 64N W OF 57W...AND N OF 53N BETWEEN 39W AND 45W. .48 HOUR FORECAST DENSE FOG W OF A LINE FROM 42N67W TO 36N74W...AND FROM 47N TO 57N BETWEEN 40W AND 44W. .FORECASTER BANCROFT. 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 0600 UTC FRI APR 4. 24 HOUR FORECAST VALID 0600 UTC SAT APR 5. 48 HOUR FORECAST VALID 0600 UTC SUN APR 6. .WARNINGS. ...ATLC GALE WARNING... .ATLC COLD FRONT FROM 31N38W TO 27N50W TO 28N63W. WITHIN 31N45W TO 31N52W TO 29N50W TO 29N46W TO 31N45W WINDS 20 KT OR LESS. SEAS 8 FT IN N SWELL. ELSEWHERE E OF FRONT WITHIN 31N35W TO 31N38W TO 27N38W TO 24N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL. .24 HOUR FORECAST COLD FRONT FROM 27N35W TO 25N45W TO 25N55W. WITHIN 31N35W TO 31N47W TO 27N46W TO 26N41W TO 27N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL. .48 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 25N35W TO 22N65W. NEW COLD FRONT FROM 31N37W TO 29N55W TO 30N62W. WITHIN 31N35W TO 31N42W TO 30N42W TO 30N40W TO 30N35W TO 31N35W W WINDS 25 TO 35 KT. SEAS 12 TO 20 FT IN NW SWELL. ELSEWHERE WITHIN 31N35W TO 31N58W TO 28N55W TO 25N44W TO 24N35W TO 31N35W W TO NW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT IN NW TO N SWELL. ...CARIBBEAN GALE WARNING... .CARIBBEAN WITHIN 13N74W TO 13N75W TO 12N77W TO 11N76W TO 11N75W TO 11N74W TO 13N74W NE TO E WINDS 25 TO 35 KT. SEAS 10 TO 12 FT IN NE SWELL. ELSEWHERE WITHIN 17N63W TO 19N73W TO 17N80W TO 11N82W TO 11N64W TO 17N63W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT IN E SWELL. .06 HOUR FORECAST LITTLE CHANGE EXCEPT WINDS BELOW GALE FORCE. .24 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 12N76W TO 11N76W TO 11N75W TO 11N74W TO 12N74W NE TO E WINDS 25 TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE WITHIN 16N63W TO 18N69W TO 18N82W TO 10N82W TO 10N77W TO 13N64W TO 16N63W E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .30 HOUR FORECAST LITTLE CHANGE EXCEPT WINDS BELOW GALE FORCE. .48 HOUR FORECAST WITHIN 18N70W TO 17N81W TO 11N83W TO 09N80W TO 13N68W TO 18N70W E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .SYNOPSIS AND FORECAST. .ATLC WITHIN 18N50W TO 22N57W TO 23N79W TO 16N61W TO 06N57W TO 07N40W TO 18N50W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT IN NE TO E SWELL. .24 HOUR FORECAST WITHIN 22N70W TO 24N71W TO 24N77W TO 23N79W TO 20N74W TO 20N71W TO 22N70W E WINDS 20 TO 30 KT. SEAS TO 8 FT. ELSEWHERE WITHIN 17N52W TO 23N67W TO 15N61W TO 12N61W TO 06N52W TO 07N45W TO 17N52W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL. .48 HOUR FORECAST WITHIN 21N72W TO 21N73W TO 21N74W TO 21N75W TO 20N73W TO 20N72W TO 21N72W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. ELSEWHERE WITHIN 17N52W TO 23N67W TO 15N61W TO 12N61W TO 06N52W TO 07N45W TO 17N52W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE SWELL. .ATLC AND CARIBBEAN WITHIN 20N73W TO 20N74W TO 20N76W TO 20N79W TO 19N78W TO 19N76W TO 20N73W...INCLUDING WINDWARD PASSAGE... E WINDS 20 TO 30 KT. SEAS 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .CARIBBEAN WITHIN 19N85W TO 20N86W TO 20N87W TO 16N88W TO 16N86W TO 16N85W TO 19N85W...INCLUDING THE GULF OF HONDURAS... E TO SE WINDS 20 TO 30 KT. SEAS 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .GULF OF AMERICA WITHIN 30N88W TO 28N97W TO 19N96W TO 19N92W TO 24N86W TO 24N80W TO 30N88W SE WINDS 20 TO 30 KT. SEAS 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST COLD FRONT FROM 30N93W TO 25N97W. N OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE E OF FRONT WITHIN 29N88W TO 29N95W TO 24N98W TO 24N94W TO 19N91W TO 24N88W TO 29N88W SE TO S WINDS 20 TO 30 KT. SEAS 8 FT. WITHIN 24N81W TO 25N82W TO 24N84W TO 23N83W TO 23N81W TO 24N81W...INCLUDING STRAITS OF FLORIDA... SE WINDS 20 TO 25 KT. SEAS TO 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.