Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Keaulanas surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Sunday 21 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Keaulanas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Keaulanas sea temperature is
25.6° C
(Which is slightly warmer than usual)How big are the waves at Keaulanas today?
The current surf forecast for Keaulanas at 4PM is: 1.5m 11s primary swell from a North direction (forecast issued at 01:00pm December 21). An open ocean swell of 0.4m 9s is not directed at the surf break, a second open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Dec) | 5ft (1.6m) | 11s |
| Afternoon (21 Dec) | 5ft (1.5m) | 11s |
| Evening (21 Dec) | 4.5ft (1.4m) | 11s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||||||||
| 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 16 | 16 | 16 | 15 | 15 | 15 | 9 | 10 | 11 | 12 | 14 | 14 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 652 | 573 | 566 | 485 | 476 | 476 | 467 | 451 | 449 | 388 | 381 | 125 | 124 | 121 | 112 | 107 | 106 | 0 | 138 | 127 | 137 | 102 | 100 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:18PM 0.22 | 5:30AM 0.73 | 5:04PM 0.22 | 6:03AM 0.70 | 6:02PM 0.23 | 6:34AM 0.67 | ||||||||||||||||||
Low Tide / height (m) | 12:38PM 0.15 | 9:38PM 0.04 | 1:13PM 0.15 | 10:12PM 0.07 | 1:46PM 0.15 | 10:48PM 0.12 | ||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:07 |
| Sunset | - | - | 5:54 | - | - | - | - | - | - | - | 5:55 | - | - | - | - | - | - | - | 5:55 | - | - | - | - | - |
 | | |  | | |  |  |  | | | | | | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 26 | 26 | 26 | 25 | 24 | 24 | 25 | 25 | 25 | 26 | 26 | 24 | 24 | 24 | 24 | 23 | 24 | 25 | 24 | 23 | 23 | 22 | 22 | 22 |
| Feels °C (?) | 27 | 27 | 27 | 27 | 25 | 24 | 26 | 27 | 25 | 26 | 27 | 25 | 24 | 22 | 22 | 21 | 21 | 24 | 22 | 21 | 22 | 20 | 20 | 21 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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