####018002340#### FZPN40 PHFO 171036 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1100 UTC WED APR 17 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. SECURITE NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E SYNOPSIS VALID 0600 UTC APR 17 2024. 24 HOUR FORECAST VALID 0600 UTC APR 18 2024. 48 HOUR FORECAST VALID 0600 UTC APR 19 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .LOW 26N152W 1013 MB MOVING NE 15 KT. FRONT FROM LOW TO 30N152W...AND FROM 30N144W TO 25N147W TO 20N153W THENCE TROUGH TO 16N158W. MOVING E SLOWLY. S TO SE WINDS 20 TO 25 KT N OF 26N E OF FRONT. ISOLATED MODERATE TSTMS WITHIN 210 NM OF FRONT N OF 25N. .24 HOUR FORECAST LOW DISSIPATED. FRONT FROM 30N141W TO 21N147W...THENCE TROUGH TO 16N153W. WINDS DECREASED TO 20 KT OR BELOW. .48 HOUR FORECAST FRONT FROM 29N140W TO 24N145W. .FRONT FROM 30N167E TO 25N165E TO 20N160E MOVING E SLOWLY. S OF SE WINDS 20 TO 25 KT N OF 27N WITHIN 240 NM E FRONT. ISOLATED MODERATE TSTMS N OF 25N WITHIN 210 NM E OF FRONT. .24 HOUR FORECAST FRONT FROM 30N170E TO 25N165E. WINDS DECREASED TO 20 KT OR BELOW. .48 HOUR FORECAST FRONT WEAKENED TO A TROUGH FROM 30N173E TO 26N168E. .WINDS 20 TO 25 KT FROM 10N TO 15N BETWEEN 178W AND 170W. .24 HOUR FORECAST WINDS 20 TO 25 KT N OF LINE FROM 30N180W TO 05N175E TO 05N160W TO 25N160W. .48 HOUR FORECAST WINDS 20 TO 25 KT E OF LINE FROM 20N180W TO 10N170E TO 05N175E...AND FROM 20N TO 25N BETWEEN 180W AND 160W. .OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 8 TO 12 FT N OF LINE FROM 25N160E TO 20N175E TO 10N180W TO 10N160W TO 30N145W. .24 HOUR FORECAST SEAS 8 TO 10 FT FROM 05N TO 25N BETWEEN 180W AND 165W. .48 HOUR FORECAST SEAS SUBSIDING TO BELOW 8 FT. .OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA. .ITCZ FROM 05N140W TO 03N166W. SCATTERED MODERATE WITHIN 210 NM OF ITCZ BETWEEN 170W AND 160W. $$ .FORECASTER PECHACEK. HONOLULU HI. ####018002110#### FZPS40 PHFO 171038 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1130 UTC WED APR 17 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. THIS HIGH SEAS FORECAST USES 1-MINUTE AVERAGE WINDS WHICH MAY BE HIGHER THAN 10-MINUTE AVERAGE WINDS. SECURITE SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E SYNOPSIS VALID 0600 UTC APR 17 2024. 24 HOUR FORECAST VALID 0600 UTC APR 18 2024. 48 HOUR FORECAST VALID 0600 UTC APR 19 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT FROM 16S142W TO 16S129W TO 21S120W NEARLY STATIONARY AND WEAKENING. WINDS 20 TO 25 KT S OF FRONT...AND S OF 16S BETWEEN 152W AND 140W. .24 HOUR FORECAST FRONT WEAKENED TO A TROUGH FROM 16S144W TO 19S129W TO 22S120W. .48 HOUR FORECAST TROUGH FROM 20S136W TO 22S125W TO 22S120W. .FRONT FROM 23S160W TO 25S165W MOVING SE SLOWLY. .24 HOUR FORECAST FRONT MOVED S OF AREA. .TROUGH FROM 08S162E TO 08S174E TO 12S175W TO 13S167W. SCATTERED MODERATE TO STRONG TSTMS WITHIN 300 NM OF TROUGH BETWEEN 175W AND 175E. .24 HOUR FORECAST TROUGH FROM 15S165E TO 10S175E TO 10S180W. .48 HOUR FORECAST TROUGH FROM 08S160E TO 10S172E TO 16S177W. .WINDS 20 TO 25 KT S OF LINE FROM 12S160E TO 15S170E TO 20S175W TO 25S175W. .24 HOUR FORECAST WINDS 20 TO 25 KT S OF 15S W OF 175W. .48 HOUR FORECAST WINDS 20 TO 25 KT S OF 15S BETWEEN 170E AND 170W. .OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 8 TO 10 FT S OF 12S W OF 180W...AND S OF 18S E OF 140W. .24 HOUR FORECAST SEAS 8 TO 10 FT S OF 15S W OF 180W...AND S OF 20S E OF 145W. .48 HOUR FORECAST SEAS 8 TO 10 FT S OF 15S BETWEEN 170E AND 180W...AND S OF 20S E OF 140W. .OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA. .SCATTERED MODERATE TSTMS WITHIN 300 NM OF POINT 03S163E. $$ .FORECASTER PECHACEK. HONOLULU HI.