Active MJO Pushes East - What Effect Will Coming Inactive Phase Have? - Video Forecast HERE (12/7/25)

Buoys | Buoy Forecast | Bulletins | Models: Wave - Weather - Surf - Altimetry - Snow | Pacific Forecast | QuikCAST | El Nino | Tutorials | Great Circles | Video

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 12, 2025 1:37 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 12/13 Down some SW 10+ Dateline windswell fading from 3.9 ft @ 10-11 secs 4.0 ft 345 degrees Sunday 12/14 Up some SW 5+ New Dateline swell building to 5.6 ft @ 13-14 secs late 7.0 ft 310 degrees Monday 12/15 Down some S 10-15 Dateline swell fading from 4.8 ft @ 12-13 secs early 5.5 ft 310 degrees Tuesday 12/16 Up some SE 10 Possible local swell building to 4.1 ft @ 13 secs early 5.0 ft 360 degrees Wednesday 12/17 Down some S 10+ Local swell holding at 3.3 ft @ 13 secs 4.0 ft 005 degrees Extended Outlook Down some --- A small gale developed while tracking east from the dateline to the Gulf Sat-Tues (12/9) producing 26-27 ft seas aimed east. Swell fading Sat (12/13). Nothing else meaningful to follow with the Inactive Phase of the MJO in control. A small gale developed just west of the dateline Wed-Thurs (12/11) with 34-37 ft seas aimed east. Swell arrival on Sun (12/14). Another local gael is forecast north of the Islands Mon-Thurs (12/18) with maybe 20 ft seas aimed southeast. And a gale is forecast just off the South Kurils Mon (12/15) with 26 ft sea aimed east. --- --- 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 12/13 Down SW 10+ No swell of interest forecast 2 ft or less --- Sunday 12/14 Down S 5+ No swell of interest forecast 2 ft or less --- Monday 12/15 Down S 10-15 No swell of interest forecast 2 ft or less --- Tuesday 12/16 Down SE 5 No swell of interest forecast 2 ft or less --- Wednesday 12/17 Down S 10+ No swell of interest forecast 2 ft or less --- Extended Outlook Down --- No swell producing weather systems of interest are forecast. --- --- 1945

.

Contact | About | Disclaimer | Privacy Advertise/Content | Links Copyright © 2025 STORMSURF - All Rights Reserved This page cannot be duplicated, reused or framed in another window without express written permission. But links are always welcome. Buoys | Buoy Forecast | Bulletins | Models: Wave - Weather - Surf - Altimetry - Snow | Pacific Forecast | QuikCAST | El Nino | Tutorials | Great Circles | Calculator