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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:   Tuesday, September 30, 2025 2:00 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 Wednesday 10/1 Down E 10+ No swell of interest forecast 2 ft or less --- Thursday 10/2 Down E 10+ No swell of interest is forecast 2 ft or less --- Friday 10/3 Up slightly ESE 10+ Background swell building to 1.5 ft @ 11 secs later 1.5 ft 315 degrees Saturday 10/4 Down E 10+ No swell of interest forecast 2 ft or less --- Sunday 10/5 Up some ENE 10+ Possible Dateline swell building to 4.5 ft @ 12-13 secs later 5.5 ft 330 degrees Extended Outlook Up some maybe --- A gale is developing off Oregon Tues-Wed (10/1) with 23-24 ft seas aimed southeast but well east of the Hawaiian swell window. No swell to result. A small gale is forecast falling southeast from the dateline Thurs-Fri (10/3) with 20-21 ft seas targeting only Hawaii. A broad and strong system is forecast off Kamchatka Tues (10/5) with 40 ft seas aimed east. Low odds of this occurring. --- --- 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 Wednesday 10/1 Up slightly ENE 10+ Background Tasman swell building to 0.9 ft @ 19 secs later 1.5 ft 215 degrees Thursday 10/2 Up some ENE 5+ Background Tasman swell building to 1.2 ft @ 16-17 secs later 2.0 ft 215 degrees Friday 10/3 Up some ENE 5 Background Tasman swell building to 1.3 ft @ 15-16 secs early 2.0 ft 215 degrees Saturday 10/4 Down some E 10+ Background Tasman swell fading from 1.1 ft @ 14-15 secs early 1.5 ft 210 degrees Sunday 10/5 Down ENE 10+ No swell of interest is forecast 2 ft or less --- Extended Outlook Down --- A gale tracked east through the South Tasman Sea Wed (9/25) producing 29 ft seas aimed northeast. Swell arrival on Wed (10/1). Otherwise down south no significant swell producing weather systems of interest are forecast for the South Pacific. --- --- 153551

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