High Seas Forecast
Issued by NWS
Issued by NWS
283 FZPN40 PHFO 262255 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 2300 UTC THU SEP 26 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. THIS HIGH SEAS FORECAST USES 1-MINUTE AVERAGE WINDS WHICH MAY BE HIGHER THAN 10-MINUTE AVERAGE WINDS. 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 OFFSHORE AND HIGH SEAS AREAS ONLY. TO LEARN MORE PLEASE VISIT HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP SECURITE NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E SYNOPSIS VALID 1800 UTC SEP 26 2024. 24 HOUR FORECAST VALID 1800 UTC SEP 27 2024. 48 HOUR FORECAST VALID 1800 UTC SEP 28 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FIRST LOW NEAR 14N173W 1011 MB. SECOND LOW NEAR 08N169E 1010 MB. TROUGH 20N169W TO FIRST LOW TO 11N176W TO SECOND LOW TO 04N166E. LOWS AND TROUGH MOVING NW SLOWLY. ISOLATED MODERATE TSTMS WITHIN 120 NM OF LOWS AND TROUGH. .24 HOUR FORECAST FIRST LOW DISSIPATED. SECOND LOW NEAR 08N166E TROUGH 13N175W TO SECOND LOW TO 04N160E. .48 HOUR FORECAST SECOND LOW DISSIPATED. TROUGH 13N171E 04N161E. .24 HOUR FORECAST NEW TROUGH 12N160W 04N165W. .48 HOUR FORECAST TROUGH 13N167W 05N171W. .WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA. .SEAS 8 FT OR LESS OVER REMAINDER FORECAST AREA. .MONSOON TROUGH 05N163W 12N153W 10N146W 09N160W. ISOLATED MODERATE TSTMS WITHIN 90 NM OF TROUGH. .ISOLATED MODERATE TSTMS WITHIN 240 NM OF POINT 26N172W. $$ .FORECASTER PECHACEK. HONOLULU HI.