High Seas Forecast
Issued by NWS
Issued by NWS
531 FZPS40 PHFO 161037 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1130 UTC MON SEP 16 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC SEP 16 2024. 24 HOUR FORECAST VALID 0600 UTC SEP 17 2024. 48 HOUR FORECAST VALID 0600 UTC SEP 18 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S138W 20S140W 17S148W THENCE TROUGH 13S160W 07S173W MOVING E SLOWLY. WINDS 20 TO 25 KT S OF 23S BETWEEN 136W AND 132W. ISOLATED MODERATE TSTMS S OF 20S BETWEEN 138W AND 129W... AND FROM 18S TO 09S BETWEEN 163W AND 147W. .24 HOUR FORECAST FRONT 25S135W 21S137W THENCE TROUGH 17S139W. .48 HOUR FORECAST FRONT 25S133W 20S135W THENCE TROUGH 18S138W. .FRONT 25S170W 19S179E THENCE TROUGH 10S160E MOVING E 10 KT. WINDS 20 TO 25 KT S OF 14S W OF 168E. ISOLATED MODERATE TSTMS FROM 20S TO 13S W OF 172E. .24 HOUR FORECAST FRONT 25S166W 21S171W 16S177E THENCE TROUGH 11S171E 09S162E. WINDS 20 TO 25 KT FROM 20S TO 11S W OF 170E. .48 HOUR FORECAST FRONT 25S158W 16S163W 12S173W THENCE TROUGH 10S176E 06S165E. WINDS 20 TO 25 KT FROM 16S TO 11S W OF 171E. .24 HOUR FORECAST NEW TROUGH 17S156W 13S163W 08S175W. .48 HOUR FORECAST TROUGH MERGED WITH FRONT LISTED ABOVE. .WINDS 20 KT OR LESS REMAINDER FORECAST AREA. .SEAS REDUCED TO 8 FT OR LESS. .24 HOUR FORECAST SEAS 8 TO 10 FT S OF LINE 25S177W 21S171E 22S166E 19S163E 12S164E 11S160E. .48 HOUR FORECAST SEAS 8 TO 12 FT S OF LINE 25S170W 17S176E 22S167E 18S162E 12S166E 10S160E. .SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. .ISOLATED MODERATE TSTMS FROM 13S TO 07S BETWEEN 171E AND 179E... AND S OF 21S BETWEEN 157W AND 147W. $$ .FORECASTER TROTTER. HONOLULU HI.