High Seas Forecast
Issued by NWS
Issued by NWS
139 FZPS40 PHFO 230307 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 0530 UTC MON SEP 23 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E SYNOPSIS VALID 0000 UTC SEP 23 2024. 24 HOUR FORECAST VALID 0000 UTC SEP 24 2024. 48 HOUR FORECAST VALID 0000 UTC SEP 25 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S128W 20S133W NEARLY STATIONARY. .24 HOUR FORECAST FRONT 25S125W 21S127W. .48 HOUR FORECAST FRONT EXITS REGION SE. .TROUGH 19S147W 10S160W 11S175E 09S165E 03S160E MOVING SW SLOWLY. SCATTERED TO NUMEROUS MODERATE TSTMS WITHIN 150 NM OF EITHER SIDE OF TROUGH W OF 170W...AND WITHIN 240 NM N OF TROUGH BETWEEN 155W AND 165W. .24 HOUR FORECAST TROUGH 21S151W 12S177W 11S171E 14S164E 11S160E. .48 HOUR FORECAST TROUGH STRENGTHENS TO FRONT 24S148W 17S164W THENCE TROUGH 10S160W. .WINDS 20 KT OR LESS REMAINDER FORECAST AREA. .48 HOUR FORECAST SEAS 20 TO 25 KT S OF 10S W OF 180W. .SEAS 8 FT OR LESS REMAINDER FORECAST AREA. $$ .FORECASTER PECHACEK. HONOLULU HI.