High Seas Forecast
Issued by NWS
Issued by NWS
630 FZPS40 PHFO 191525 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1730 UTC WED JUN 19 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC JUN 19 2024. 24 HOUR FORECAST VALID 1200 UTC JUN 20 2024. 48 HOUR FORECAST VALID 1200 UTC JUN 21 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S130W 19S133W 13S139W THENCE TROUGH 05S149W MOVING NE 10 KT. WINDS 20 TO 30 KT S OF 18S E OF 140W. SCATTERED MODERATE TSTMS WITHIN 180 NM E OF FRONT S OF 17S. .24 HOUR FORECAST FRONT 25S123W 20S128W THENCE TROUGH 10S136W. WINDS 20 TO 30 KT S OF 22S E OF 132W. .48 HOUR FORECAST FRONT 23S120W 21S125W THENCE TROUGH 13S135W. WINDS EASED TO 20 KT OR LESS. .FRONT 25S173W 15S171E 09S160E MOVING NE 10 KT S OF 20S AND NEARLY STATIONARY ELSEWHERE. ISOLATED MODERATE TSTMS WITHIN 180 NM OF FRONT S OF 20S. .24 HOUR FORECAST FRONT 25S165W 19S173W THENCE TROUGH 12S177E 09S162E. .48 HOUR FORECAST FRONT 25S156W 17S170W 12S160E. TROUGH DISSIPATED. SE WINDS 20 TO 25 KT FROM 20S TO 10S W OF 179E. W TO NW WINDS 20 TO 30 KT S OF 22S BETWEEN 148W AND 173W. .TROUGH 09S169E 06S164E 04S161E MOVING W SLOWLY. NUMEROUS STRONG TSTMS N OF 13S W OF 179E. .24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED DIRECTLY ABOVE. .SEAS 12 TO 17 FT S OF 19S BETWEEN 147W AND 135W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 13S156W 17S141W 07S132W 05S120W. .24 HOUR FORECAST SEAS 8 TO 12 FT S OF LINE 15S149W 11S138W 02S127W 01S120W. .48 HOUR FORECAST SEAS 8 TO 11 FT S 21S BETWEEN 178W AND 150W. SEAS 8 TO 10 FT FROM 17S TO 12S W OF 175E...AND S OF 06S E OF 133W. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS. .ISOLATED TO LOCALLY SCATTERED MODERATE TSTMS FROM 17S TO 04S BETWEEN 170W AND 175W. $$ .FORECASTER ALMANZA/PIERCE. HONOLULU HI.