Steady Gale Pattern Setting Up! - Video Forecast HERE (2/16/25)

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Stormsurf Mobile App Create Your Own Surf Forecast Swell Calculator Swell Decay Tables Sea Height Tables Swell Category Table Convert from GMT:   0Z 1Z 2Z 3Z 4Z 5Z 6Z 7Z 8Z 9Z 10Z 11Z 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z  to timezone: IDLE/NZST AEDT GST/AEST --> JST/AWDT CCT/AWST WAST/CXT --> MSD BT/MSK EET/CEST CET/SWT GMT/UTC WAT AT ADT AST/EDT EST/CDT CST/MDT MST/PDT PST/YDT YST/HADT AHST/HAST NT IDLW 7:00 ---

QuikCAST Surf Forecast - Hawaii 5 Day Surf Forecast Forecast Updated:   Thursday, February 20, 2025 12:45 PM Surf Scale: 3 ft = waist high, 4 ft = chest high, 5 ft = head high, 10 ft =double overhead Swell Direction is direction swell is coming from. 90°=East, 180°=South, 270°=West, 360-0 = North Forecast does NOT account for enhancing bathymetry (i.e the 'reef effect') common at best breaks. For top spots with swell period 14 +secs, multiply surf size X 1.25-1.5 with peaks X 2 (or consider the stated size 'Hawaiian Scale'). Hawaiian North Shore Surf Forecast (Valid for the North and East Shores of Oahu) Day Trend Wind (kts) Details (Swell Number, Swell Size & Period, Arrival Time and Profile) Waves (Set wave max face height) Swell Direction Friday 2/21 Down some ESE 10+ Kuril Island swell and secondary swell fading from 4.1 ft @ 13 secs early 5.0 ft 315 degrees Saturday 2/22 Down more ESE 10 Background swell fading from 2.6 ft @ 11-12 secs early 3.0 ft 315 degrees Sunday 2/23 Up some E 10+ New Japan-Dateline swell building to 6.7 ft @ 15 secs later 10.0 ft 315 degrees Monday 2/24 Down some ESE 10 Japan-Dateline swell fading from 5.3 ft @ 13-14 secs early 7.0 ft 315 degrees Tuesday 2/25 Down more NE 5+ japan-Dateline swell fading from 4.5 ft @ 12-13 secs early 5.5 ft 315 degrees Extended Outlook Up some --- A gale developed just off the Kuril's on Thurs-Fri (2/14) with up to 36 ft seas aimed east with secondary fetch pushing east off Japan Sat-Sun (2/16) with 27 ft seas aimed east and tertiary energy tracking from the dateline to the Northern Gulf Tues-Thurs (2/20) with 26-27 ft seas aimed east. Swell continuing Fri (2/21). Another gale followed off Japan Tues (2/18) with 29 ft seas steady and aimed east eventually reaching the dateline Fri (2/21) then slowly tracking up into the North Gulf into Sun (2/23) with seas up to 35 ft. Swell arrival on Sun (2/23). And another to follow tracking from the dateline to the Gulf Sun-Wed (2/26) with 26-30 ft seas aimed east. And maybe a stronger to follow on the dateline Tues-Wed (2/26) with 38 ft seas aimed east. A long run of moderate swell is forecast. --- --- Surf Height Animation: Northeast Pacific - Hawaii Wind Animations: Northeast Pacific - Hawaii - Hawaii hires Local Model: Surf - Wind Hawaiian South Shore Surf Forecast (Centered on the South Shore of Oahu) Day Trend Wind (kts) Details (Swell Number, Swell Size & Period, Arrival Time and Profile) Waves (Set wave max face height) Swell Direction Friday 2/21 Down ENE 5 No swell of interest forecast 2 ft or less --- Saturday 2/22 Down ENE 5 No swell of interest forecast 2 ft or less --- Sunday 2/23 Down ENE 10 No swell of interest forecast 2 ft or less --- Monday 2/24 Down ENE 5 No swell of interest forecast 2 ft or less --- Tuesday 2/25 Down ENE 5+ No swell of interest forecast 2 ft or less --- Extended Outlook Down --- No swell producing weather systems are forecast in the South Pacific --- --- 135349

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