Is This the Last Inactive MJO of Out Current La Nina?. - Video Forecast HERE (12/21/25)

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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:   Saturday, December 27, 2025 1:25 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 Sunday 12/28 Down E 10 No swell of interest forecast 2 ft or less --- Monday 12/29 Up some ESE 10+ North Dateline windswell building to 4.8 ft @ 11-12 secs later 5.0 ft 315 degrees Tuesday 12/30 Up some E 15+ North Dateline swell building to 5.6 ft @ 13-14 secs later 7.5 ft 335 degrees Wednesday 12/31 Down some E 15 North dateline swell fading from 6.0 ft @ 14 secs early 8.5 ft 340 degrees Thursday 1/1 Down some ENE 15+ early North Dateline swell fading from 3.9 ft @ 12 secs early 4.5 ft 350 degrees Extended Outlook Up some --- The Inactive Phase of the MJO remains in control splitting the jetstream and hampering gale development. A gale is developing over the North Dateline Region Sat-Mon (12/29) producing 26-29 ft seas targeting the Hawaiian Islands. Swell arrival on Mon (12/29). Another is to develop west of the dateline Mon-Tues (1/30) with 25-26 ft seas again targeting only Hawaii. Generic low pressure is to be in the Northern Gulf Mon-Thurs (1/1) producing 18 ft sea targeting the US West Coast. --- --- 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 Sunday 12/28 Down NE 1-5 No swell of interest forecast 2 ft or less --- Monday 12/29 Down ENE 10 No swell of interest forecast 2 ft or less --- Tuesday 12/30 Down ENE 10 No swell of interest forecast 2 ft or less --- Wednesday 12/31 Down ENE 15 No swell of interest forecast 2 ft or less --- Thursday 1/1 Down ENE 15 No swell of interest forecast 2 ft or less --- Extended Outlook Down --- No swell producing weather systems of interest are forecast. --- --- 3773

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