How Warm Will the NINO3.4 Region Get....Exactly? - Video HERE (8/16/26)

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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 - North California 5 Day Surf Forecast Forecast Updated:   Thursday, August 20, 2026 1:24 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 North California Surf Forecast (Centered on San Francisco) Day Trend Wind (kts) Details (Swell Number, Swell Size & Period, Arrival Time and Profile) Waves (Set wave max face height) Swell Direction Friday 8/21 Down some NW 5+ early New Zealand background swell fading from 1.8 ft @ 14 secs early 2.5 ft 195 degrees Saturday 8/22 Down NW 10 early No swell of interest forecast 2 ft or less --- Sunday 8/23 Up slightly NW 5+ early Local northwest windswell fading from 3.8 ft @ 7 secs Background swell 1.8 ft @ 14-15 secs 2.0 ft 2.5 ft 310 degrees 196 degrees Monday 8/24 Holding NW 5 early Background swell 1.8 ft @ 14 secs 2.5 ft 190 degrees Tuesday 8/25 Holding NW 1-5 early Background swell 1.9 ft @ 13-14 secs 2.5 ft 185 degrees- Extended Outlook Up some --- A gale is forecast developing over the upper reaches of the Central S. Pacific Fri-Sun (8/23) with up to 35 ft seas over a small area aimed well north. Another gale is forecast under New Zealand Wed-Thurs (8/27) with 32 ft seas aimed northeast. And possibly more behind that. --- --- Surf Height Animation: Northeast Pacific - North CA - Central CA Wind Animations: US West Coast - North CA - Central CA Local Model: Surf - Wind 103609

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