High Seas Forecast
Issued by NWS
Issued by NWS
267 FZPS40 PHFO 171514 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1730 UTC TUE SEP 17 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC SEP 17 2024. 24 HOUR FORECAST VALID 1200 UTC SEP 18 2024. 48 HOUR FORECAST VALID 1200 UTC SEP 19 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S134W 21S139W THENCE TROUGH 16S150W 10S170W 08S179W MOVING E SLOWLY. SCATTERED MODERATE TSTMS WITHIN 90 NM OF FRONT. .24 HOUR FORECAST FRONT WEAKENED TO TROUGH 25S132W 20S135W. .48 HOUR FORECAST TROUGH MOVED S OF AREA. .FRONT 25S163W 20S170W 17S176W THENCE TROUGH 13S173E 11S160E MOVING NE 10 KT. .24 HOUR FORECAST FRONT 25S155W 18S156W THENCE TROUGH 12S166E 09S177E. .48 HOUR FORECAST FRONT 25S148W 18S153W THENCE TROUGH 14S161W 09S179E. .48 HOUR FORECAST NEW TROUGH 23S159W 16S170W 12S169E. .WINDS 20 TO 25 KT W OF LINE 11S160E 15S172E 17S166E 21S164E 22S160E. .24 HOUR FORECAST WINDS 20 TO 25 KT FROM 17S TO 11S W OF 173E. .48 HOUR FORECAST WINDS EASED TO 20 KT OR LESS. .WINDS 20 KT OR LESS REMAINDER FORECAST AREA. .SEAS 8 TO 11 FT S OF LINE 12S160E 11S162E 15S166E 18S163E 23S166E 20S171E 25S178W. SEAS 8 TO 9 FT FROM 13S TO 06S E OF 126W. .24 HOUR FORECAST SEAS 12 TO 13 FT S OF LINE 25S168E 23S172E 25S178E. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 11S160E 11S163E 12S165E 18S163E 23S167E 14S174E 25S168W. .48 HOUR FORECAST SEAS 8 TO 11 FT S OF LINE 25S168E 12S173E 13S179E 17S171W 25S160W. .SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. .ISOLATED MODERATE TSTMS FROM 11S TO 06S BETWEEN 171E AND 176E. $$ .FORECASTER PIERCE. HONOLULU HI.