High Seas Forecast
Issued by NWS
Issued by NWS
638 FZPN40 PHFO 152233 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 2300 UTC SAT JUN 15 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E SYNOPSIS VALID 1800 UTC JUN 15 2024. 24 HOUR FORECAST VALID 1800 UTC JUN 16 2024. 48 HOUR FORECAST VALID 1800 UTC JUN 17 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 30N170E 27N160E MOVING SE 10 KT. SEE SEAS BELOW. .24 HOUR FORECAST FRONT 30N175E 27N170E 25N160E. .48 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N175E 26N166E. .WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA. .SEAS 8 TO 10 FT N OF LINE 30N163E 29N167E 30N170E. SEAS 8 TO 9 FT FROM 21N TO 26N E OF 154W. .24 HOUR FORECAST SEAS DECREASED TO 8 FT OR LESS ENTIRE FORECAST AREA. .48 HOUR FORECAST SEAS 8 FT OR LESS ENTIRE FORECAST AREA. .OTHERWISE SEAS 8 FT OR LESS OVER ENTIRE FORECAST AREA. .ITCZ 08N140W 06N147W 09N158W 05N170W 03N177E. SCATTERED MODERATE TSTMS WITHIN 120 NM OF ITCZ W OF 173W. ISOLATED MODERATE TSTMS WITHIN 120 NM N OF OTCZ E OF 144W. .ISOLATED MODERATE TSTMS S OF 10N W OF 177E. $$ .FORECASTER POWELL. HONOLULU HI.