High Seas Forecast
Issued by NWS
Issued by NWS
233 FZPS40 PHFO 192101 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 2330 UTC WED JUN 19 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 JUN 19 2024. 24 HOUR FORECAST VALID 1800 UTC JUN 20 2024. 48 HOUR FORECAST VALID 1800 UTC JUN 21 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S128W 17S132W 12S138W THENCE TROUGH 04S145W MOVING NE 10 KT. WINDS 20 TO 30 KT S OF A LINE 23S120W 18S130W 23S142W. NUMEROUS STRONG TSTMS WITHIN 180 NM E OF FRONT S OF 17S. .24 HOUR FORECAST FRONT 25S121W 16S130W THENCE TROUGH 12S132W. WINDS 20 TO 30 KT S OF 22S E OF 130W. .48 HOUR FORECAST FRONT 21S120W 17S129W THENCE TROUGH 14S135W. WINDS DIMINISHED TO 20 KT OR LESS. .FRONT 25S171W 19S178E 10S160E MOVING E 15 KT S OF 20S AND NEARLY STATIONARY ELSEWHERE. SE WINDS 20 TO 25 KT FROM 15S TO 09S W OF 166E. ISOLATED MODERATE TSTMS WITHIN 180 NM OF FRONT S OF 22S. .24 HOUR FORECAST FRONT 25S161W 17S172W THENCE TROUGH 12S174E 10S160E. WINDS 20 TO 25 KT S OF 23S BETWEEN 170W AND 158W... AND FROM 18S TO 15S W OF 177E.. AND FROM 15S TO 10S W OF 164E. .48 HOUR FORECAST FRONT 25S155W 17S170W THENCE TROUGH 13S170E 10S160E. WINDS 20 TO 25 KT FROM 18S TO 12S W OF 177W... AND S OF A LINE 25S145W 20S160W 24S177W. .TROUGH 09S170E 06S164E 03S160E MOVING W SLOWLY. SCATTERED MODERATE TO STRONG TSTMS N OF 13S W OF 180W. ISOLATED MODERATE TSTMS ELSEWHERE FROM 10S TO 05S BETWEEN 180W AND 175W. .24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED DIRECTLY ABOVE. .SEAS 12 TO 15 FT S OF 22S BETWEEN 144W AND 135W. SEAS 8 TO 12 FT ELSEWHERE S OF 17S BETWEEN 151W AND 128W. SEAS 8 TO 10 FT S OF 08S E OF 128W. .24 HOUR FORECAST SEAS 8 TO 11 FT S OF A LINE 23S120W 19S130W 18S144W. SEAS 8 TO 9 FT FROM 12S TO 07S E OF 123W. .48 HOUR FORECAST SEAS 8 TO 11 FT S OF A LINE 25S150W 21S160W 25S180W. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS. $$ .FORECASTER SHIGESATO. HONOLULU HI.