High Seas Forecast
Issued by NWS
Issued by NWS
565 FZPN02 KWBC 050525 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 0545 UTC SAT OCT 05 2024 CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH PACIFIC 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 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 0000 UTC OCT 05. 24 HOUR FORECAST VALID 0000 UTC OCT 06. 48 HOUR FORECAST VALID 0000 UTC OCT 07. .WARNINGS. ...STORM WARNING... .LOW 59N166W 960 MB MOVING SE 05 KT. FRONT EXTENDS FROM 60N154W TO 57N145W TO 53N140W TO 43N150W. WITHIN 420 NM S AND 300 NM SW QUADRANTS WINDS 35 TO 50 KT. SEAS 20 TO 36 FT. ALSO WITHIN 480 NM W AND 660 NM SW QUADRANTS...BETWEEN 176W AND A LINE FROM 59N160W TO 48N148W...AND N OF THE FRONT N OF 52N WINDS 25 TO 40 KT. SEAS 11 TO 27 FT...EXCEPT N OF FRONT SEAS 8 TO 15 FT. ELSEWHERE N OF A LINE FROM 49N134W TO 45N140W TO 41N159W TO 44N180W TO 50N165E WINDS 20 TO 30 KT. SEAS 8 TO 23 FT IN MIXED SWELL..HIGHEST NEAR 48N165W. .24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 58N162W 972 MB AND NEW SECOND CENTER 54N157W 978 MB. FROM 44N TO 53N BETWEEN 149W AND 168W WINDS 30 TO 45 KT. SEAS 15 TO 24 FT. ALSO N OF A LINE FROM 46N168W TO 52N178E WINDS 25 TO 40 KT. SEAS 10 TO 20 FT. ELSEWHERE N OF A LINE FROM 55N134W TO 40N157W TO 39N177W TO 54N170E WINDS 20 TO 30 KT. SEAS 8 TO 18 FT IN MIXED SWELL. .48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 56N152W 974 MB AND NEW SECOND CENTER 58N141W 983 MB. WITHIN 180 NM E SEMICIRCLE OF SECOND LOW WINDS 35 TO 45 KT. SEAS 12 TO 20 FT. ELSEWHERE N OF A LINE FROM 54N137W 44N150W TO 43N162W TO 50N177W...AND WITHIN 180 NM E OF A FRONT TO EXTEND FROM 55N133W TO 45N137W WINDS 25 TO 35 KT. SEAS 9 TO 19 FT IN MIXED SWELL...EXCEPT E OF FRONT SEAS 8 TO 14 FT. .SYNOPSIS AND FORECAST. .FROM 30N TO 34N BETWEEN 174W AND 160E AREA OF NE TO E WINDS TO 25 KT. SEAS TO 12 FT...HIGHEST NEAR 30N163W. .24 HOUR FORECAST S OF A LINE FROM 30N168E TO 33N160E WINDS LESS THAN 25 KT. SEAS TO 9 FT. .48 HOUR FORECAST CONDITIONS DIMINISHED. .FROM 43N TO 46N W OF 173E AREA OF SW WINDS 20 TO 30 KT. SEAS TO 8 FT. .24 HOUR FORECAST LOW 46N165E 1011 MB. FROM 42N TO 49N BETWEEN 160E AND 178E WINDS 20 TO 30 KT. SEAS TO 9 FT. .48 HOUR FORECAST LOW 45N173E 1015 MB. FROM 41N TO 49N BETWEEN 164E AND 179E WINDS TO 25 KT. SEAS TO 9 FT. .FROM 45N TO 52N E OF 130W WINDS LESS THAN 25 KT. SEAS TO 11 FT IN MIXED SWELL. .12 HOUR FORECAST CONDITIONS DIMINISHED. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 30N TO 35N E OF 122W AND FROM 41N TO 47N BETWEEN 160E AND 171E. .24 HOUR FORECAST DENSE FOG FROM 30N TO 35N E OF 121W AND FROM 42N TO 47N BETWEEN 162E AND 177E. .48 HOUR FORECAST CONDITIONS IMPROVED. .FORECASTER BANCROFT. 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 0000 UTC SAT OCT 5. 24 HOUR FORECAST VALID 0000 UTC SUN OCT 6. 48 HOUR FORECAST VALID 0000 UTC MON OCT 7. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ENTIRE AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 0200 UTC SAT OCT 5... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 14N95W TO 1008 MB LOW PRES NEAR 14N135W TO BEYOND 11N140W. SCATTERED MODERATE FROM 06N TO 16N BETWEEN 95W AND 108W...AND FROM 10N TO 16N BETWEEN 130W AND 135W. $$ .FORECASTER ERA. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E SYNOPSIS VALID 0000 UTC OCT 05 2024. 24 HOUR FORECAST VALID 0000 UTC OCT 06 2024. 48 HOUR FORECAST VALID 0000 UTC OCT 07 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 27N178W 22N179W 20N175E. MOVING W SLOWLY. SCATTERED MODERATE TSTMS WITHIN 150 NM OF TROUGH. .24 HOUR FORECAST TROUGH 27N178E 22N174E 20N169E. .48 HOUR FORECAST TROUGH 28N174E 22N173E 20N169E. .TROUGH 15N179E 12N171E 08N162E MOVING NW SLOWLY. ISOLATED MODERATE TO STRONG TSTMS FROM 18N TO 10N BETWEEN 171E AND 174W...AND FROM 13N TO 02N BETWEEN 162E AND 173E. .24 HOUR FORECAST TROUGH 15N172E 12N161E. .48 HOUR FORECAST TROUGH DISSIPATED. .WINDS 20 TO 25 KT N OF LINE 30N174W 23N173E 26N160E. .24 HOUR FORECAST WINDS EASED TO 20 KT OR LESS .WINDS 20 KT OR LESS REMAINDER FORECAST AREA. .SEAS 8 TO 12 FT N OF LINE 30N173W 26N179E 16N168E 20N160E. .24 HOUR FORECAST SEAS 8 TO 9 FT N OF 22N W OF 173E. .48 HOUR FORECAST SEAS 8 TO 9 FT N OF 27N BETWEEN 165W AND 152W. .SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. .MONSOON TROUGH 11N140W 09N150W THENCE ITCZ 08N160W 08N176W. ISOLATED MODERATE TSTMS WITHIN 120 NM OF TROUGH AND ITCZ. .ISOLATED MODERATE TSTMS FROM 28N TO 20N W OF 168E...AND FROM 18N TO 15N BETWEEN 162E AND 170E. $$ .FORECASTER TROTTER. HONOLULU HI.