Super El Nino - A Brutal Lie? - Video HERE (5/17/26)

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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:   Sunday, May 17, 2026 2:02 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 Monday 5/18 Down some NW 15+ early Local northwest windswell fading from 7.3 ft @ 10 secs early Southern hemi swell 0.9 ft @ 15-16 secs later Dateline/Northwest Gulf swell 1.4 ft @ 17-18 secs later 6.5 ft 1.5 ft 2.5 ft 310 degrees 190 degs 300 degrees Tuesday 5/19 Down some NW 5 early Local northwest windswell fading from 6.2 ft @ 9-10 secs early Southern hemi swell fading from 1.0 ft @ 15 secs early Dateline/Northwest Gulf swell 2.8 ft @ 14 secs later 5.5 ft 1.5 ft 3.5 ft 310 degrees 190 degs 300 degrees Wednesday 5/20 Down some NW 5+ early Local northwest windswell holding at 4.9 ft @ 9 secs Dateline/Northwest Gulf swell fading from 3.2 ft @ 12-13 secs early 4.0 ft 4.0 ft 310 degrees 300 degrees Thursday 5/21 Holding NW 1-5 early Local northwest windswell fading from 5.2 ft @ 9-10 secs early 4.5 ft 310 degrees Friday 5/22 Holding S 10 early Local northwest windswell holding at 4.8 ft @ 10 secs Background southern hemi swell 1.8 ft @ 13 secs later 4.5 ft 2.0-2.5 ft 310 degrees 185 degs Extended Outlook Up some --- Down south a broad gale is forecast developing under New Zealand tracking northeast Fri-Sun (5/25) with up to 39 ft seas aimed northeast. Up north a gale is forecast tracking east from the Northwest Gulf Sat-Sun (5/24) with 21-23 ft seas aimed east. --- --- Surf Height Animation: Northeast Pacific - North CA - Central CA Wind Animations: US West Coast - North CA - Central CA Local Model: Surf - Wind 51563

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