High Seas Forecast
Issued by NWS
Issued by NWS
501 FZPN02 KWBC 160545 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 0545 UTC MON SEP 16 2024 CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC SEP 16. 24 HOUR FORECAST VALID 0000 UTC SEP 17. 48 HOUR FORECAST VALID 0000 UTC SEP 18. .WARNINGS. ...STORM WARNING... .LOW 45N161E 996 MB MOVING NE 25 KT. WITHIN 360 NM S AND SE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST LOW 53N179W 985 MB. WITHIN 420 NM S AND SE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. ELSEWHERE FROM 40N TO 56N BETWEEN 168W AND 176E WINDS TO 25 KT. SEAS TO 12 FT. .36 HOUR FORECAST LOW 57N174W 978 MB. WITHIN 120 NM S QUADRANT WINDS 40 TO 50 KT. SEAS 10 TO 18 FT. .48 HOUR FORECAST LOW 58N167W 971 MB. WITHIN 240 NM S AND SE QUADRANTS WINDS 35 TO 50 KT. SEAS 18 TO 27 FT. ELSEWHERE WITHIN 480 NM S SEMICIRCLE AND 360 NM N SEMICIRCLE WINDS 25 TO 40 KT. SEAS 8 TO 18 FT. .SYNOPSIS AND FORECAST. .LOW 63N163W 982 MB MOVING NE 10 KT. WITHIN 480 NM S AND 240 NM W QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT. .24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS DIMINISHED. .LOW INLAND 61N141W 994 MB MOVING NE 20 KT. IN THE GULF OF ALASKA N OF 54N E OF 160W WINDS 20 TO 30 KT. SEAS TO 12 FT. .24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS DIMINISHED. .FROM 37N TO 50N BETWEEN 122W AND 133W AREA OF N WINDS TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST FROM 35N TO 45N BETWEEN 122W AND 130W AREA OF N WINDS TO 25 KT. SEAS TO 10 FT. .48 HOUR FORECAST CONDITIONS DIMINISHED. .LOW 52N162W 1014 MB MOVING NE 20 KT THEN SE 10 KT AFTER 24 HOURS. WITHIN 240 NM SE OF A LINE FROM 52N153W TO 50N161W TO 45N169W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST LOW 53N137W 1007 MB. WITHIN 240 NM S AND SE OF LINE FROM LOW TO 47N150W WINDS TO 25 KT. SEAS TO 9 FT. .48 HOUR FORECAST LOW 49N126W 1006 MB. FROM 40N TO 55N BETWEEN 126W AND 137W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST LOW 54N170E 997 MB. FROM 46N TO 55N W OF 175E WINDS 20 TO 30 KT. SEAS TO 10 FT. .48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 58N167W DESCRIBED ABOVE. .48 HOUR FORECAST LOW 41N160E 1010 MB. FROM 35N TO 42N W OF 165E WINDS 20 TO 30 KT. SEAS TO 9 FT. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 48N W OF 173E. .24 HOUR FORECAST DENSE FOG FROM 43N TO 54N BETWEEN 172W AND 179W. .48 HOUR FORECAST DENSE FOG FROM 46N TO 52N BETWEEN 150W AND 160W. .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 0000 UTC MON SEP 16. 24 HOUR FORECAST VALID 0000 UTC TUE SEP 17. 48 HOUR FORECAST VALID 0000 UTC WED SEP 18. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 14N137W TO 15N138W TO 15N140W TO 12N140W TO 13N138W TO 14N137W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL. .24 HOUR FORECAST WITHIN 16N136W TO 16N137W TO 16N138W TO 16N139W TO 15N139W TO 15N137W TO 16N136W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL. .42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .03 HOUR FORECAST GULF OF CALIFORNIA WITHIN 31N113.5W TO 31.5N114W TO 30N114.5W TO 30N114W TO 30.5N114W TO 31N113.5W S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST GULF OF CALIFORNIA WITHIN 30.5N113.5W TO 31N113.5W TO 31N114W TO 30.5N114W TO 30.5N114.5W TO 30N114W TO 30.5N113.5W SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .39 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 0240 UTC MON SEP 16... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH EXTENDS FROM 11N73.5W TO 10.5N85W TO 11N103W TO 07.5N117W...WHERE IT TRANSITIONS TO ITCZ CONTINUING ON TO 07N130W. ANOTHER SEGMENT OF ITCZ EXTENDS FROM LOW PRESSURE 1010 MB NEAR 15.5N126W TO 13N136W TO BEYOND 12N140W. SCATTERED MODERATE TO STRONG CONVECTION WITHIN 120 NM OF THE COAST OF CENTRAL AMERICA FROM 79W TO 95W. SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 06N TO 09N BETWEEN 119W AND 129W. SCATTERED MODERATE CONVECTION FROM 09N TO 13.5N WEST OF 137W. $$ .FORECASTER STRIPLING. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E SYNOPSIS VALID 0000 UTC SEP 16 2024. 24 HOUR FORECAST VALID 0000 UTC SEP 17 2024. 48 HOUR FORECAST VALID 0000 UTC SEP 18 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 30N168E 23N169E MOVING W 10 KT. ISOLATED MODERATE TSTMS WITHIN 90 NM OF TROUGH. .24 HOUR FORECAST TROUGH 30N164E 26N163E. .48 HOUR FORECAST TROUGH DISSIPATED. .TROUGH 30N170W 24N170W NEARLY STATIONARY. ISOLATED MODERATE TSTMS WITHIN 210 NM E OF TROUGH. .24 HOUR FORECAST TROUGH DISSIPATED. .WINDS 20 TO 30 KT FROM 10N TO 15N BETWEEN 171W AND 164W...AND FROM 00N TO 21N E OF 153W. .24 HOUR FORECAST WINDS 20 TO 30 KT FROM 11N TO 19N BETWEEN E OF 162W. .48 HOUR FORECAST WINDS 20 TO 25 KT FROM 10N TO 15N BETWEEN 168W AND 158W. .WINDS 20 KT OR LESS REMAINDER FORECAST AREA. .SEAS 8 TO 10 FT FROM 09N TO 16N BETWEEN 171W AND 158W. SEAS 8 TO 9 FT FROM 11N TO 17N E OF 151W. .24 HOUR FORECAST SEAS 8 TO 10 FT FROM 10N TO 19N BETWEEN 157W AND 141W. .48 HOUR FORECAST SEAS 8 TO 10 FT FROM 10N TO 19N BETWEEN 165W AND 149W. .SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. .ITCZ 11N140W 10N146W 10N155W 09N165W 09N170E 10N162E. SCATTERED MODERATE TSTMS WITHIN 180 NM OF ITCZ. .ISOLATED MODERATE TSTMS FROM 12N TO 16N BETWEEN 174E AND 179W. $$ .FORECASTER PIERCE. HONOLULU HI.