High Seas Forecast
Issued by NWS

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
000 FZNT01 KWBC 182134 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC MON MAR 18 2024 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC MAR 18. 24 HOUR FORECAST VALID 1800 UTC MAR 19. 48 HOUR FORECAST VALID 1800 UTC MAR 20. .WARNINGS. ...STORM WARNING... .LOW 49N64W 989 MB MOVING NE 30 KT. WITHIN 300 NM S SEMICIRCLE...AND FROM 36N TO 51N BETWEEN 48W AND 56W WINDS 25 TO 40 KT. SEAS 8 TO 14 FT. .24 HOUR FORECAST LOW 55N47W 983 MB. WITHIN 300 NM NW AND 240 NM SE SEMICIRCLES...AND FROM 40N TO 58N BETWEEN 35W AND 40W WINDS 25 TO 40 KT. SEAS 12 TO 19 FT. .30 HOUR FORECAST LOW 57N45W 985 MB. WITHIN 300 NM N AND NW QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 21 FT. .48 HOUR FORECAST LOW 54N47W 987 MB. WITHIN 240 NM N AND NW OF A LINE FROM 64N35W TO 61N38W TO 58N40W TO 56N48W WINDS 35 TO 45 KT. SEAS 18 TO 25 FT. ELSEWHERE WITHIN 840 NM N...540 NM S...AND 240 NM W QUADRANTS WINDS 25 TO 35 KT. SEAS 12 TO 18 FT. ...STORM WARNING... .LOW 39N66W 1000 MB MOVING NE 30 KT. WITHIN 360 NM S AND SW QUADRANTS...AND WITHIN 300 NM E AND SE OF A FRONT FROM 40N55W TO 31N73W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. .06 HOUR FORECAST LOW 40N62W 998 MB. WITHIN 540 NM SE SEMICIRCLE WINDS 25 TO 40 KT. SEAS 9 TO 15 FT. .24 HOUR FORECAST LOW 45N51W 991 MB. WITHIN 720 NM E QUADRANT WINDS 25 TO 40 KT. SEAS 12 TO 19 FT. .48 HOUR FORECAST LOW 54N38W 976 MB. WITHIN 360 NM SE SEMICIRCLE WINDS 35 TO 50 KT. SEAS 18 TO 27 FT. ELSEWHERE WITHIN 240 NM N...420 NM E...AND 960 NM S QUADRANTS WINDS 25 TO 35 KT. SEAS 12 TO 18 FT. ...STORM WARNING... .12 HOUR FORECAST NEW LOW 34N70W 1001 MB. FROM 31N TO 38N W OF 61W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. .24 HOUR FORECAST LOW 39N58W 990 MB. WITHIN 480 NM SE SEMICIRCLE WINDS 35 TO 50 KT. SEAS 12 TO 21 FT. ELSEWHERE WITHIN 540 NM SE SEMICIRCLE AND 720 NM W QUADRANT WINDS 25 TO 40 KT. SEAS 9 TO 16 FT. .48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 54N38W DESCRIBED ABOVE. ...GALE WARNING... .48 HOUR FORECAST LOW INLAND NEAR 46N74W 996 MB. BETWEEN 420 NM AND 720 NM S QUADRANT WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. ...HEAVY FREEZING SPRAY WARNING... .MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF 51W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF 44W...AND WITHIN 180 NM OF THE E COAST OF GREENLAND. .24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 61N W OF 52W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 57N W OF 45W...AND N OF 60N E OF GREENLAND. .48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF 56W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 57N W OF 46W...AND WITHIN 120 NM OF THE E COAST OF GREENLAND. .SYNOPSIS AND FORECAST. .FROM 59N TO 65N E OF 37W WINDS TO 25 KT. SEAS 12 TO 18 FT. .24 HOUR FORECAST FROM 63N TO 65N E OF 37W WINDS TO 25 KT. SEAS 10 TO 16 FT. .48 HOUR FORECAST CONDITIONS E OF AREA. .FROM 33N TO 40N E OF 37W WINDS TO 25 KT. SEAS 8 TO 13 FT. .24 HOUR FORECAST CONDITIONS E OF AREA. .24 HOUR FORECAST N OF 62N BETWEEN 53W AND 59W WINDS TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST N OF 61N W OF 53W WINDS 20 TO 30 KT. SEAS TO 9 FT. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 54N BETWEEN 46W AND 58W...AND FROM 48N TO 52N W OF 58W. .24 HOUR FORECAST DENSE FOG FROM 54N TO 59N BETWEEN 35W AND 52W...AND FROM 40N TO 51N BETWEEN 45W AND 56W. .48 HOUR FORECAST DENSE FOG N OF 63N E OF GREENLAND...FROM 51N TO 59N E OF 48W...AND N OF 63N W OF GREENLAND. .FORECASTER NOLT. OCEAN PREDICTION CENTER. NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF MEXICO SYNOPSIS VALID 1800 UTC MON MAR 18. 24 HOUR FORECAST VALID 1800 UTC TUE MAR 19. 48 HOUR FORECAST VALID 1800 UTC WED MAR 20. .WARNINGS. ...ATLC GALE WARNING... .COLD FRONT FROM 31N72W TO 27N80W. N OF 27N E OF FRONT TO 68W S TO SW WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT. .12 HOUR FORECAST COLD FRONT FROM 31N70W TO 26N80W. N OF 29N W OF FRONT NW WINDS 30 TO 35 KT. SEAS 8 TO 10 FT. ELSEWHERE W OF FRONT NW WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. N OF 29N E OF FRONT TO A LINE FROM 31N62W TO 29N65W SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT N OF 30N. .18 HOUR FORECAST COLD FRONT FROM 31N69W TO 24N80W. N OF 29N W OF FRONT TO 77W NW WINDS 30 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE W OF FRONT NW TO N WINDS 20 TO 30 KT. SEAS 8 TO 11 FT N OF THE BAHAMAS. N OF 29N E OF FRONT TO 65W SW WINDS 25 TO 35 KT. SEAS 9 TO 11 FT. ELSEWHERE N OF 27N E OF FRONT TO A LINE FROM 31N60W TO 27N70W SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .24 HOUR FORECAST COLD FRONT FROM 31N65W TO 22N77W. N OF 27N W OF FRONT TO 75W NW TO N WINDS 20 TO 30 KT. SEAS 8 TO 12 FT... EXCEPT 12 TO 13 FT N OF 30N W OF FRONT TO 72W. N OF 29N E OF FRONT TO 60W SW WINDS 25 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE N OF 27N E OF FRONT TO A LINE FROM 31N52W TO 27N63W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT N OF 28N E OF FRONT TO 60W. .36 HOUR FORECAST COLD FRONT FROM 31N59W TO 21N75W. E OF 74W AND NW OF A LINE FROM 31N59W TO 25N74W WINDS 29 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL. N OF 30N E OF FRONT TO 50W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .48 HOUR FORECAST WEAKENING COLD FRONT 31N56W TO 21N74W. E OF 70W AND NW OF A LINE FROM 31N52W TO 25N70W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL. .SYNOPSIS AND FORECAST. .ATLC N OF 30N BETWEEN 36W AND 47W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL. .24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC FROM 12N TO 20N E OF 40W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .24 HOUR FORECAST S OF 20N E OF 45W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. FROM 20N TO 24N BETWEEN 40W AND 45W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT .48 HOUR FORECAST FROM 15N TO 26N E OF 43W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .CARIBBEAN FROM 11N TO 15N BETWEEN 66W AND 78W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. FROM 15N TO 18N BETWEEN 70W AND 74W E WINDS 20 TO 25 KT. SEAS TO 8 FT. .12 HOUR FORECAST FROM 11N TO 15N BETWEEN 64W AND 77W... INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT... EXCEPT 25 TO 30 KT IN THE GULF OF VENEZUELA AND NEAR THE COAST OF COLOMBIA. SEAS 8 TO 10 FT...HIGHEST NEAR THE COAST OF COLOMBIA. FROM 15N TO 17N BETWEEN 70W AND 75W E WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST FROM 11N TO 15N BETWEEN 66W AND 76W... INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .48 HOUR FROM 11N TO 13N BETWEEN 70W AND 76W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .GULF OF MEXICO COLD FRONT FROM 28N82W TO 24N97W. N OF FRONT W OF 87W N TO NE WINDS 20 TO 30 KT WITH HIGHER GUSTS. SEAS 8 TO 10 FT. .12 HOUR FORECAST COLD FRONT FROM 26N80W TO 21N97W. N OF FRONT N TO NE WINDS 20 TO 30 KT WITH HIGHER GUSTS. SEAS 8 TO 12 FT. .24 HOUR FORECAST COLD FRONT SE OF AREA. S OF 22N W OF 95W NW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE W OF 86W AND N OF A LINE FROM FROM 22N86W TO 20N95W TO 25N WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N SWELL. .42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER.

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.