High Seas Forecast
Issued by NWS

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000 FZNT01 KWBC 170346 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC WED JAN 17 2018 CCODE/1:31:04:01:00/AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W SYNOPSIS VALID 0000 UTC JAN 17 24 HOUR FORECAST VALID 0000 UTC JAN 18 48 HOUR FORECAST VALID 0000 UTC JAN 19 .WARNINGS. ...STORM WARNING... .LOW 64N35W 976 MB MOVING SE 15 KT. FROM 58N TO 61N E OF 43W WINDS 45 TO 60 KT. SEAS 20 TO 34 FT. ELSEWHERE BETWEEN 180 NM AND 420 NM SW QUADRANT WINDS 30 TO 45 KT. SEAS 16 TO 24 FT. .24 HOUR FORECAST LOW E OF AREA 64N24W 977 MB. OVER FORECAST WATERS FROM 51N TO 61N E OF 49W WINDS 25 TO 35 KT. SEAS 10 TO 20 FT. .48 HOUR FORECAST LOW WELL E OF AREA. OVER ICE FREE FORECAST WATERS N OF 57N E OF 40W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT. ...STORM WARNING... .30 HOUR FORECAST NEW LOW 35N70W 1011 MB. WITHIN 120 NM NW SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 12 FT. .48 HOUR FORECAST LOW 38N62W 998 MB. WITHIN 240 SW QUADRANT WINDS 40 TO 50 KT. SEAS 10 TO 16 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 660 NM NE...420 NM SE...540 NM SW...AND 240 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 16 FT. ...GALE WARNING... .LOW 51N42W 1011 MB MOVING NE 55 KT. WITHIN 240 NM SE SEMICIRCLE WINDS 25 TO 40 KT. SEAS 12 TO 20 FT. .24 HOUR FORECAST LOW AND CONDITIONS E OF AREA. ...GALE WARNING... .LOW 37N74W 1024 MB MOVING NE 20 KT. WINDS LESS THAN 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LOW 43N67W 1033 MB. WITHIN 300 NM E QUADRANT WINDS 20 TO 30 KT. SEAS TO 10 FT. .48 HOUR FORECAST LOW 52N55W 991 MB. FROM 47N TO 51N BETWEEN 35W AND 45W WINDS 25 TO 35 KT. SEAS TO 10 FT. ELSEWHERE WITHIN 420 NM NE...840 NM SE...AND 420 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 8 FT. ...HEAVY FREEZING SPRAY WARNING... .MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS W OF A LINE FROM 64N55W TO 53N53W. .24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 61N W OF GREENLAND AND W OF A LINE FROM 58N57W TO 53N53W. .48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 65N W OF GREENLAND. .SYNOPSIS AND FORECAST. .OVER FORECAST WATERS FROM 31N TO 36N E OF 46W AREA OF E TO SE WINDS TO 25 KT. SEAS TO 10 FT. .24 HOUR FORECAST CONDITIONS DIMINISHED. .WITHIN 300 NM W AND 120 NM E OF A FRONT FROM 42N53W TO 31N64W WINDS TO 25 KT. SEAS TO 10 FT. .24 HOUR FORECAST CONDITIONS DIMINISHED. .48 HOUR FORECAST FROM 58N TO 64N W OF 50W WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 60 NM EITHER SIDE OF A LINE FROM 48N45W TO 41N51W. .24 HOUR FORECAST CONDITIONS IMPROVING. .48 HOUR FORECAST DENSE FOG FROM 42N TO 50N BETWEEN 44W AND 52W. .HIGH 43N67W 1033 MB MOVING NE 25 KT. .24 HOUR FORECAST HIGH 46N47W 1030 MB. .48 HOUR FORECAST HIGH E OF AREA. .FORECASTER KREKELER. 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 0000 UTC WED JAN 17. 24 HOUR FORECAST VALID 0000 UTC THU JAN 18. 48 HOUR FORECAST VALID 0000 UTC FRI JAN 19. .WARNINGS. ...GULF OF MEXICO GALE WARNING... .COLD FRONT FROM 30N86W TO 21N97W. S OF 25N W OF FRONT NW TO N WINDS 30 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE W OF FRONT N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .24 HOUR FORECAST FRONT SE OF AREA. TROUGH FROM 23N97W TO 18.5N94W. S OF 21N W OF TROUGH NW WINDS 25 TO 35 KT. SEAS 11 TO 14 FT. ELSEWHERE W OF TROUGH NW WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. REMAINDER OF AREA SE OF LINE FROM 30N87W TO 26N97W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. .30 HOUR FORECAST TROUGH FROM 18N93W TO 22N97W TO 25N97W. W OF TROUGH NW WINDS 20 TO 30 KT. S OF 25N E OF 95W...INCLUDING THE STRAITS OF FLORIDA...NE WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST TROUGH FROM 22N97W TO 19N95W. S OF 22N W OF 93W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL. .SYNOPSIS AND FORECAST. .ATLC TROUGH FROM 31N45W TO 24N45W. E OF LINE FROM 31N48W TO 13N42W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE TO E SWELL. .24 HOUR FORECAST WEAKENING TROUGH FROM 30N47W TO 21N46W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC STATIONARY FRONT FROM 31N64W TO 22N77W. TROUGH FROM 31N62W TO LOW PRES NEAR 27N65W 1018 MB. WITHIN AREA BOUNDED BY 31N75W TO 31N61W TO 18N54W TO 25N77W BACK TO 31N75W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE TO E SWELL. .24 HOUR FORECAST STATIONARY FRONT DISSIPATED. COLD FRONT FROM 31N75W TO 23N80W. N OF 29N W OF FRONT NW WINDS 20 TO 25 KT. SEAS TO 8 FT. .36 HOUR FORECAST COLD FRONT FROM 31N69W TO 21N77W. W OF FRONT NW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .48 HOUR FORECAST COLD FRONT FROM 31N62W TO 21N75W. N OF 28N W OF FRONT TO 68W NW WINDS 20 TO 25 KT. SEAS 9 TO 12 FT IN NW SWELL. S OF 24N W OF FRONT TO 77W NE WINDS 20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE W OF FRONT E OF 77W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL. .CARIBBEAN STATIONARY FRONT FROM 21N78W TO 12N83W. N OF 20N W OF FRONT 83W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST COLD FRONT FROM 22N80W TO 16N85W. W OF FRONT N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .36 HOUR FORECAST COLD FRONT FROM 20N77W TO 15N83W. NW OF FRONT NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .48 HOUR FORECAST STATIONARY FRONT FROM 20N77W TO 15N83W. W OF FRONT NE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. .CARIBBEAN FROM 11N TO 12N BETWEEN 71W AND 76W...INCLUDING GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST FROM 11N TO 13N BETWEEN 75W AND 77W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE SWELL. .48 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 MUNDELL. NATIONAL HURRICANE CENTER.

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