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High Seas Forecast
Issued by NWS
Issued by NWS
254 FZPS40 PHFO 042228 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 2330 UTC THU JUL 04 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 JULY 29 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 1800 UTC JUL 04 2024. 24 HOUR FORECAST VALID 1800 UTC JUL 05 2024. 48 HOUR FORECAST VALID 1800 UTC JUL 06 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 25S179E 16S170E MOVING E 15 KT. .24 HOUR FORECAST TROUGH STRENGTHENED TO FRONT 25S174W 17S178W THENCE TROUGH 08S168E. WINDS 20 TO 25 KT S 07S W OF 170E...AND S OF 23S BETWEEN 178E AND 164W. .48 HOUR FORECAST FRONT 25S163W 19S170W THENCE TROUGH 10S179E. WINDS EASED TO 20 KT OR LESS. .48 HOUR FORECAST NEW TROUGH 17S177E 10S160E. WINDS 20 TO 25 KT S OF A LINE FROM 05S160E 14S170E 25S177E. .E TO SE WINDS 20 TO 25 KT FROM 20S TO 08S BETWEEN 179W AND 132E. .24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 22S TO 06S E OF 158W. .48 HOUR FORECAST WINDS 20 TO 25 KT S OF 08S E OF 140W. .OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 8 TO 12 FT FROM 20S TO 02S E OF 177E. SEAS 8 TO 10 FT S OF LINE 18S160E 23S167E. SEAS 8 TO 9 FT S OF LINE 17S174E 25S168W. .24 HOUR FORECAST SEAS 12 TO 13 FT FROM 17S TO 13S W OF 162E. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 08S160E 09S165E 16S173W 24S179W. SEAS 8 TO 10 FT IN AREA BOUNDED BY 25S177W 10S171W 05S155W 03S139W 08S120W 21S120W 21S143W 13S149W 21S157W 25S155W 25S177W. .48 HOUR FORECAST SEAS 12 TO 14 FT FROM 24S TO 21S W OF 175W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 07S162E 15S177W 25S160W. SEAS 8 TO 10 FT S OF 08S E OF 142W. SEAS 8 TO 9 FT S OF 18S BETWEEN 155W AND 142W...AND FROM 16S TO 07S BETWEEN 163W AND 151W. .OTHERWISE...SEAS 8 FT OR LESS OVER REMAINDER OF FORECAST AREA. .NUMEROUS STRONG TSTMS N OF 10S BETWEEN 166E AND 171W. $$ .FORECASTER PIERCE. HONOLULU HI.