Is El Nino Developing? - Storm Machine Is Primed! - Video Forecast HERE (12/15/24)

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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:   Friday, December 20, 2024 2:52 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 Saturday 12/21 Up more NE 5 2nd Gulf swell building to 9.8 ft @ 17 secs early 16.5 ft 330 degrees Sunday 12/22 Up, UP W 5+ Possible Strong Dateline/West Gulf swell building to 12.9 ft @ 19 secs mid-day 24.0 ft 330 degrees Monday 12/23 Down some ENE 15+ Dateline swell fading from 8.1 ft @ 15 secs early 12.0 ft 330 degrees Tuesday 12/24 Down some ESE 15 Dateline swell fading from 6.0 ft @ 12-13 secs early 7.5 ft 330 degrees Wednesday 12/25 Down some ESE 15+ Dateline swell fading from 3.9 ft @ 12 secs early 4.5 ft 330 degrees Extended Outlook Up more --- A broad system developed on the dateline tracking east Mon-Wed (12/18) with 29-30 ft seas aimed southeast. Swell arrival on Thurs (12/19). The first of 2 secondary gales to develop from it in the Southeast Gulf Thurs (12/19) with 31 ft seas targeting mainly Southern CA. A second to be right behind Thurs-Fri (12/20) with 38 ft seas aimed east again targeting Southern CA well. And then a monster storm remains forecast tracking east through the Gulf Fri-Sun (12/22) with up to 55 ft seas aimed east. And yet another is forecast off Japan on Mon (12/23) moving over the dateline Wed (12/25) with 38 ft seas aimed east. A progressive storm and swell pattern 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 Saturday 12/21 Down S 1-5 No swell of interest forecast 2 ft or less --- Sunday 12/22 Down NW 5 No swell of interest forecast 2 ft or less --- Monday 12/23 Down NE 15+ No swell of interest forecast 2 ft or less --- Tuesday 12/24 Down NE 10 No swell of interest forecast 2 ft or less --- Wednesday 12/25 Down E 5+ No swell of interest forecast 2 ft or less --- Extended Outlook Down --- No swell producing weather systems are forecast in the South Pacific. --- --- 129721

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