High Seas Forecast
Issued by NWS
Issued by NWS
811 FZPN02 KWBC 161725 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 1745 UTC MON SEP 16 2024 CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 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 1200 UTC SEP 16. 24 HOUR FORECAST VALID 1200 UTC SEP 17. 48 HOUR FORECAST VALID 1200 UTC SEP 18. .WARNINGS. ...STORM WARNING... .LOW 49N174E 989 MB MOVING NE 30 KT. WITHIN 480 NM SE SEMICIRCLE AND 420 NM S AND 120 NM W QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 38N TO 43N BETWEEN 166E AND 180W WINDS TO 25 KT. SEAS TO 10 FT. .24 HOUR FORECAST LOW 57N173W 976 MB. WITHIN 120 NM NE AND 420 NM SE SEMICIRCLES WINDS 30 TO 45 KT. SEAS 10 TO 18 FT. ELSEWHERE FROM 49N TO 61N BETWEEN 156W AND 172E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. .30 HOUR FORECAST LOW 58N171W 967 MB. WITHIN 300 NM SE AND 240 NM N SEMICIRCLES WINDS 40 TO 50 KT. SEAS 15 TO 25 FT. ELSEWHERE FROM 49N TO 62N BETWEEN 151W AND 177E WINDS 20 TO 30 KT. SEAS 9 TO 15 FT. .48 HOUR FORECAST LOW INLAND NEAR 59N156W 987 MB. WITHIN 420 NM S SEMICIRCLE WINDS 25 TO 40 KT. SEAS 14 TO 19 FT. ELSEWHERE WITHIN 480 NM SE SEMICIRCLE AND 420 NM NW QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. .SYNOPSIS AND FORECAST. .LOW INLAND 65N157W 991 MB MOVING NE 15 KT. N OF 62N E OF 168W WINDS 20 TO 30 KT. SEAS TO 8 FT. .24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS DIMINISHED. .FROM 36N TO 47N BETWEEN 124W AND 133W AREA OF N WINDS TO 25 KT. SEAS TO 11 FT. .24 HOUR FORECAST FROM 33N TO 40N BETWEEN 122W AND 129W AREA OF N WINDS LESS THAN 25 KT. SEAS TO 9 FT. .48 HOUR FORECAST CONDITIONS DIMINISHED. .LOW 50N152W 1012 MB MOVING NE 30 KT. WITHIN 240 NM SE OF A LINE FROM 53N141W TO LOW TO 47N158W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST LOW 53N130W 1002 MB. FROM 44N TO 53N BETWEEN 131W AND 138W WINDS TO 25 KT. SEAS TO 10 FT. .48 HOUR FORECAST LOW 46N124W 1013 MB. FROM 40N TO 48N BETWEEN 127W AND 134W WINDS TO 25 KT. SEAS 8 TO 12 FT. .LOW 55N165E 996 MB MOVING E 20 KT. N OF 46N W OF 166E WINDS TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST LOW ABSORBED BY LOW 57N173W DESCRIBED IN STORM WARNING ABOVE. .48 HOUR FORECAST LOW 42N165E 1010 MB. FROM 37N TO 42N BETWEEN 163E AND 171E WINDS TO 25 KT. SEAS TO 10 FT. .48 HOUR FORECAST LOW NE OF AREA NEAR 52N159E. N OF 46N W OF 167E AREA OF S TO SW WINDS TO 25 KT. SEAS TO 8 FT. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 48N TO 53N BETWEEN 145W AND 149W AND FROM 44N TO 50N BETWEEN 173E AND 179E. .24 HOUR FORECAST DENSE FOG WITHIN 180 NM NW OF A LINE FROM 47N155W TO 47N162W TO 44N171W. .48 HOUR FORECAST DENSE FOG FROM 44N TO 47N BETWEEN 150W AND 156W WITHIN 60 NM N OF A LINE FROM 43N172W TO 42N180W...AND N OF 50N W OF 163E. .FORECASTER HYDE. OCEAN PREDICTION CENTER. NWS 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 1200 UTC MON SEP 16. 24 HOUR FORECAST VALID 1200 UTC TUE SEP 17. 48 HOUR FORECAST VALID 1200 UTC WED SEP 18. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .GULF OF CALIFORNIA WITHIN 31N113.5W TO 31.5N114W TO 30.5N114.5W TO 30.5N114W TO 30.5N113.5W TO 31N113.5W S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST GULF OF CALIFORNIA WITHIN 31N113W TO 31N114W TO 30N115W TO 30N114W TO 31N113W SW WINDS 20 TO 25 KT...EXCEPT N WINDS 20 TO 25 KT N OF 30N. SEAS LESS THAN 8 FT. .30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .WITHIN 13N138W TO 14N138W TO 15N140W TO 08N140W TO 12N139W TO 13N138W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL. .24 HOUR FORECAST WITHIN 15N137W TO 17N140W TO 14N140W TO 14N138W TO 15N136W TO 15N137W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL. .42 HOUR FORECAST WITHIN 15N138W TO 14N139W TO 13N140W TO 15N140W TO 15N139W TO 15N138W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE SWELL. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 1515 UTC MON SEP 16... .SCATTERED MODERATE WITHIN 30 NM OF 17N101W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH AXIS FROM 10N85W TO 09N98W TO 11N101W TO 09N115W. ITCZ EXTENDS FROM 09N115W TO 10N123W TO 07N131W TO 10N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 180 NM S OF TROUGH BETWEEN 77W AND 83W AND WITHIN 120 NM S OF TROUGH BETWEEN 125W AND 128W. SCATTERED MODERATE WITHIN 120 NM S OF TROUGH BETWEEN 101W AND 104W AND WITHIN 60 NM S OF ITCZ BETWEEN 129W AND 132W. .FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E SYNOPSIS VALID 1200 UTC SEP 16 2024. 24 HOUR FORECAST VALID 1200 UTC SEP 17 2024. 48 HOUR FORECAST VALID 1200 UTC SEP 18 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 30N174W 25N175W MOVING W 10 KT. ISOLATED MODERATE TSTMS WITHIN 90 NM OF TROUGH. .24 HOUR FORECAST TROUGH DISSIPATED. .TROUGH 29N164E 20N165E MOVING W 10 KT. ISOLATED MODERATE TSTMS WITHIN 240 NM E OF TROUGH. .24 HOUR FORECAST TROUGH MOVED W OF AREA. .24 HOUR FORECAST NEW TROUGH 16N163E 14N160E. .48 HOUR FORECAST TROUGH MOVED W OF AREA. .WINDS 20 TO 25 KT FROM 20N TO 11N E OF 157W. .24 HOUR FORECAST WINDS 20 TO 25 KT FROM 18N TO 10N BETWEEN 163W AND 151W. .48 HOUR FORECAST WINDS 20 TO 25 KT FROM 17N TO 10N BETWEEN 173W AND 161W. .WINDS 20 KT OR LESS REMAINDER FORECAST AREA. .SEAS 8 TO 10 FT FROM 16N TO 10N BETWEEN 172W AND 167W. SEAS 8 TO 9 FT FROM 20N TO 02N E OF 153W. .24 HOUR FORECAST SEAS 8 TO 10 FT FROM 18N TO 08N BETWEEN 162W AND 144W. .48 HOUR FORECAST SEAS 8 TO 10 FT FROM 18N TO 09N BETWEEN 167W AND 144W. .SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. .ITCZ 11N140W 10N149W 09N154W 10N162W 09N172W 08N175E 08N167E. SCATTERED MODERATE TO STRONG TSTMS WITHIN 150 NM OF ITCZ E OF 160W. ISOLATED MODERATE TSTMS WITHIN 180 NM OF ITCZ W OF 161W. .ISOLATED MODERATE TSTMS FROM 16N TO 12N BETWEEN 174E AND 167W... AND FROM 18N TO 09N W OF 165E. $$ .FORECASTER TROTTER. HONOLULU HI.