High Seas Forecast
Issued by NWS
Issued by NWS
018 FZNT01 KWBC 172207 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC TUE SEP 17 2024 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL OCTOBER 16 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND GRAPHICAL PRODUCTS FOR THE HIGH SEAS AREAS ONLY. TO LEARN MORE PLEASE VISIT (WEB ADDRESS LOWERCASE) HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 12 FEET OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1800 UTC SEP 17. 24 HOUR FORECAST VALID 1800 UTC SEP 18. 48 HOUR FORECAST VALID 1800 UTC SEP 19. .WARNINGS. ...GALE WARNING... .LOW 49N44W 1003 MB MOVING E 10 KT. FROM 42N TO 51N BETWEEN 38W AND 49W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. .24 HOUR FORECAST LOW 49N38W 1003 MB. FROM 40N TO 55N E OF 46W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. .48 HOUR FORECAST LOW 56N41W 996 MB. FROM 50N TO 59N E OF 48W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ...GALE WARNING... .LOW 29N49W 1008 MB MOVING SW 05 KT. S OF 34N BETWEEN 45W AND 61W WINDS 25 TO 35 KT. SEAS TO 10 FT. .24 HOUR FORECAST LOW 26N53W 1007 MB. S OF 35N BETWEEN 41W AND 61W WINDS 20 TO 30 KT. SEAS TO 12 FT. .48 HOUR FORECAST LOW 25N55W 1004 MB. S OF 34N BETWEEN 45W AND 61W WINDS TO 25 KT. SEAS TO 10 FT. .SYNOPSIS AND FORECAST. .LOW 55N30W 996 MB MOVING NE 40 KT. WITHIN 780 NM NW QUADRANT WINDS LESS THAN 25 KT. SEAS TO 10 FT. ALSO FROM 39N TO 55N E OF 38W WINDS TO 25 KT. SEAS 8 TO 14 FT. .24 HOUR FORECAST LOW AND CONDITIONS E OF AREA. .LOW 35N76W 1012 MB MOVING NE 10 KT. FROM 34N TO 39N BETWEEN 61W AND 76W WINDS TO 25 KT. SEAS TO 10 FT. .24 HOUR FORECAST LOW 38N74W 1009 MB. WITHIN 120 NM NW SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 8 FT. ALSO FROM 35N TO 39N BETWEEN 66W AND 68W WINDS LESS THAN 25 KT. SEAS TO 8 FT. 48 HOUR FORECAST LOW 39N71W 1005 MB. WITHIN 240 NM NW SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 8 FT. ALSO FROM 36N TO 41N BETWEEN 62W AND 66W WINDS TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST LOW 30N37W 1008 MB. WITHIN 240 NM NW QUADRANT WINDS LESS THAN 25 KT. SEAS TO 10 FT. .48 HOUR FORECAST WIHTIN 240 NM NE QUADRANT WINDS LESS THAN 25 KT. SEAS TO 8 FT. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM SW OF A LINE FROM 54N56W TO 66N73W. .24 HOUR FORECAST DENSE FOG WITHIN 120 OF A LINE FROM 57N61W TO 64N69W AND N OF 64N E. .48 HOUR FORECAST CONDITIONS IMPROVING. .FORECASTER POCHE. 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 TUE SEP 17. 24 HOUR FORECAST VALID 1800 UTC WED SEP 18. 48 HOUR FORECAST VALID 1800 UTC THU SEP 19. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC LOW PRES NEAR 29N49W 1008 MB. OVER FORECAST WATERS WITHIN 120 NM NW SEMICIRCLE AND 150 NM SE QUADRANT WINDS 20 TO 30 KT WITH HIGHER GUSTS. SEAS 9 TO 14 FT. ELSEWHERE N OF A LINE FROM 31N45W TO 27N51W TO 27N55W TO 31N58W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE SWELL. .24 HOUR FORECAST LOW PRES NEAR 26N53W 1007 MB. N OF 27N BETWEEN 46W AND 57W NE TO E WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. ELSEWHERE N OF A LINE FROM 31N45W TO 27N45W TO 23N55W TO 29N60W TO 31N58W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL. .48 HOUR FORECAST LOW PRES NEAR 25N55W 1007 MB. N OF 28N BETWEEN 44W AND 58W NE TO E WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. ELSEWHERE N OF 25N BETWEEN 44W AND 61W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL. .ATLC 36 HOUR FORECAST REMNANT LOW OF GORDON NEAR 25N48W 1007 MB. WITHIN 90 NM E SEMICIRCLE OF CENTER WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST REMNANT LOW OF GORDON NEAR 27N47W 1006 MB. WITHIN 90 NM NW SEMICIRCLE AND 120 NM SE SEMICIRCLE OF CENTER WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .CARIBBEAN FROM 11N TO 16N BETWEEN 70W AND 80W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 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.