High Seas Forecast
Issued by NWS
Issued by NWS
833 FZPS40 PHFO 281511 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1730 UTC SUN APR 28 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC APR 28 2024. 24 HOUR FORECAST VALID 1200 UTC APR 29 2024. 48 HOUR FORECAST VALID 1200 UTC APR 30 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 25S171W 14S170E 10S160E NEARLY STATIONARY. SE WINDS 20 TO 25 KT S OF TROUGH W OF 168E.. AND S OF TROUGH BETWEEN 180W AND 175W. SEAS 8 TO 9 FT S OF 22S W OF 176E. SCATTERED MODERATE TSTMS WITHIN 390 NM OF TROUGH W OF 180W. .24 HOUR FORECAST TROUGH 25S176E 16S173E 12S160E. SE WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT S OF TROUGH W OF 170E. .48 HOUR FORECAST TROUGH 25S171W 16S178E. E TO SE WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT FROM 15S TO 21S W OF 172E. SEAS DIMINISHED TO 8 FT OR LESS. .TROUGH 25S131W 19S133W 11S134W MOVING W SLOWLY S OF 19S AND NEARLY STATIONARY N OF 19S. .24 HOUR FORECAST TROUGH 25S134W 17S140W. .48 HOUR FORECAST TROUGH 25S134W 16S140W. .TROUGH 21S168W 16S170W MOVING SW SLOWLY. .24 HOUR FORECAST TROUGH DISSIPATED. .48 HOUR FORECAST NEW TROUGH 10S170W 05S177W. .E TO SE WINDS 20 TO 25 KT FROM 20S TO 12S BETWEEN 162W AND 145W. .24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 22S TO 12S BETWEEN 167W AND 145W. .48 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 19S TO 14S BETWEEN 160W AND 148W. .WINDS 20 KT OR LESS OVER REMAINDER OF AREA. .SEAS 8 TO 9 FT S OF LINE 25S125W 18S140W 12S160W... AND S OF 21S W OF 176E. .24 HOUR FORECAST SEAS 8 TO 9 FT S OF 21S E OF 135W... AND FROM 19S TO 12S BETWEEN 166W AND 153W. .48 HOUR FORECAST SEAS 8 TO 9 FT FROM 20S TO 16S W OF 164E. .SEAS 8 FT OR LOWER OVER REMAINDER OF AREA. .SCATTERED MODERATE TO STRONG TSTMS N OF 10S W OF 180W... AND FROM 12S TO 04S BETWEEN 180W AND 163W. ISOLATED MODERATE TSTMS S OF 20S BETWEEN 164W AND 160W... AND N OF 04S BETWEEN 160W AND 153W. $$ .FORECASTER SHIGESATO. HONOLULU HI.