High Seas Forecast
Issued by NWS
Issued by NWS
140 FZPS40 PHFO 171531 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1730 UTC MON JUN 17 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. 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 17 2024. 24 HOUR FORECAST VALID 1200 UTC JUN 18 2024. 48 HOUR FORECAST VALID 1200 UTC JUN 19 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S149W 24S153W MOVING ENE 25 KT. SEE WINDS AND SEAS BELOW. .24 HOUR FORECAST FRONT 25S135W 19S142W. SEE WINDS AND SEAS BELOW. .48 HOUR FORECAST FRONT 25S130W 20S136W 17S145W. SEE WINDS AND SEAS BELOW. .TROUGH 25S175E 18S170E 10S160E MOVING E SLOWLY. ISOLATED MODERATE TSTMS WITHIN 90 NM OF TROUGH W OF 170E. .24 HOUR FORECAST TROUGH 25S178E 18S170E 10S160E. .48 HOUR FORECAST TROUGH STRENGTHENED TO FRONT 25S177W 20S176E THENCE TROUGH TO 10S160E. .TROUGH 02S174W 12S175W MOVING W SLOWLY. ISOLATED MODERATE TSTMS FROM 04S TO 12S BETWEEN 179E AND 162W. .24 HOUR FORECAST TROUGH DISSIPATED. .WEAK FRONT 21S139W 25S131W NEARLY STATIONARY. SEE SEAS BELOW. ISOLATED MODERATE TSTMS WITHIN 60 NM OF FRONT. .24 HOUR FORECAST FRONT DISSIPATED. .WINDS 20 TO 25 KT S OF 20S BETWEEN 177E AND 175W...AND E OF 128W BETWEEN 06S AND 15S. .24 HOUR FORECAST WINDS 20 TO 30 KT S OF LINE 25S152W 20S145W 20S135W 25S129W. .48 HOUR FORECAST WINDS 20 TO 25 KT S OF LINE 25S141W 20S130W 20S120W. .WINDS 20 KT OR LESS REMAINDER FORECAST AREA. .SEAS 8 TO 10 FT S OF LINE 22S160E 20S164E 25S179E...AND E OF 129W BETWEEN 04S AND 19S. SEAS 8 TO 9 FT S OF LINE 15S144W 23S135W 25S127W. .24 HOUR FORECAST SEAS 12 TO 15 FT S OF LINE 25S153W 22S148W 25S125W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 25S160W 20S155W 15S130W 05S120W. SEAS 8 TO 10 FT S OF LINE 20S160E 25S171E. .48 HOUR FORECAST SEAS 12 TO 18 FT S OF LINE 25S146W 20S145W 20S140W 25S132W. SEAS 8 TO 12 FT ELSEWHERE IN AREA 25S156W 12S162W 18S140W 06S130W 05S120W. SEAS 8 TO 9 FT S OF LINE 23S160E 25S168E. .SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. .ISOLATED MODERATE TSTMS FROM 04S TO 07S BETWEEN 134W AND 136W. $$ .FORECASTER POWELL. HONOLULU HI.