High Seas Forecast
Issued by NWS
Issued by NWS
843 FZPN01 KWBC 170955 HSFEP1 HIGH SEAS FORECAST NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC TUE SEP 17 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 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 SECURITE PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT TO 50N 160E ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0600 UTC SEP 17. 24 HOUR FORECAST VALID 0600 UTC SEP 18. 48 HOUR FORECAST VALID 0600 UTC SEP 19. .WARNINGS. ...STORM WARNING... .LOW 56N175W 978 MB MOVING NE 25 KT. WITHIN 420 NM SE SEMICIRCLE AND 180 NM N QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 17 FT. ELSEWHERE FROM 40N TO 57N BETWEEN 160W AND 168E WINDS 20 TO 30 KT. SEAS TO 12 FT. .06 HOUR FORECAST LOW 58N173W 970 MB. WITHIN 120 NM S QUADRANT WINDS 40 TO 50 KT. SEAS 12 TO 20 FT. .24 HOUR FORECAST LOW 59N160W 980 MB. WITHIN 180 NM S QUADRANT WINDS 40 TO 50 KT. SEAS 18 TO 25 FT. ELSEWHERE WITHIN 480 NM SE SEMICIRCLE AND 240 NM NW QUADRANT WINDS 25 TO 40 KT. SEAS 9 TO 18 FT. ALSO N OF 50N BETWEEN 141W AND 174W WINDS TO 25 KT. SEAS TO 12 FT. .48 HOUR FORECAST LOW 59N142W 1002 MB. FROM 52N TO 59N BETWEEN 135W AND 158W WINDS 25 TO 35 KT. SEAS 9 TO 17 FT. ...GALE WARNING... .24 HOUR FORECAST LOW 41N167E 1004 MB. WITHIN 480 NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 8 FT. .48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 48N171W 1006 MB. WITHIN 360 NM SE OF A LINE FROM 50N170E TO LOW TO 37N171E WINDS 25 TO 35 KT. SEAS TO 11 FT. .SYNOPSIS AND FORECAST. .FROM 35N TO 44N E OF 127W AREA OF N WINDS TO 25 KT. SEAS TO 11 FT. .24 HOUR FORECAST CONDITIONS DIMINISHED. .LOW 55N132W 1004 MB MOVING NE 30 KT. FROM 43N TO 56N BETWEEN 133W AND 144W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .24 HOUR FORECAST LOW 44N126W 1010 MB. FROM 40N TO 55N BETWEEN 127W AND 135W WINDS TO 25 KT. SEAS TO 10 FT. .48 HOUR FORECAST LOW DISSIPATED. FROM 37N TO 49N BETWEEN 124W AND 131W WINDS TO 25 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST N OF 52N W OF 177E WINDS TO 25 KT. SEAS TO 8 FT. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 53N BETWEEN 162W AND 174W AND N OF 52N E OF 134W. .24 HOUR FORECAST DENSE FOG WITHIN 180 NM SE OF A LINE FROM 53N149W TO 45N163W AND N OF 59N BETWEEN 140W AND 150W. .48 HOUR FORECAST DENSE FOG FROM 43N TO 47N BETWEEN 152W AND 176E. .FORECASTER KREKELER. OCEAN PREDICTION CENTER. NATIONAL HURRICANE CENTER MIAMI FL E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE EQUATOR E OF 120W SYNOPSIS VALID 0600 UTC TUE SEP 17. 24 HOUR FORECAST VALID 0600 UTC WED SEP 18. 48 HOUR FORECAST VALID 0600 UTC THU SEP 19. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .GULF OF CALIFORNIA WITHIN 31N113W TO 31N114W TO 30N115W TO 30N114W TO 31N113W SW WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. .12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .WITHIN 16N138W TO 17N140W TO 14N140W TO 14N137W TO 15N136W TO 16N138W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL. .18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 0830 UTC TUE SEP 17... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH EXTENDS FROM 11.5N73.5W TO 10.5N86W TO 08N93W TO 11N102W TO 10N120W. ITCZ FROM 10N120W TO 11N130W TO BEYOND 09N140W. SCATTERED MODERATE TO STRONG CONVECTION IS N OF 03N AND E OF 83W...WITHIN 60 NM OF THE MEXICAN COAST FROM 94W TO 101W... FROM 8.5N TO 11.5N BETWEEN 98W AND 106W...WITHIN 75 NM N OF A LINE FROM 15N109W TO 12N120W TO 10N122W...AND FROM 08N TO 12N BETWEEN 125W AND 136W. $$ .FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.