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:
Radz surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Saturday 20 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Radz surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Radz sea temperature is
25.5° C
(Which is slightly warmer than usual)Nearby Cam: 8km away, Pipeline Cam powered by EXPLORE.org
How big are the waves at Radz today?
The current surf forecast for Radz at 8AM is: 1.8m 11s primary swell from a North direction and 0.8m 15s secondary swell from a North direction (forecast issued at 01:00am December 20). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Dec) | 5.5ft (1.7m) | 11s |
| Afternoon (20 Dec) | 5.5ft (1.7m) | 11s |
| Evening (20 Dec) | 6ft (1.9m) | 13s |
Table - waves today at Radz. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||||||||||||
| 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 | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 821 | 819 | 819 | 804 | 695 | 695 | 1370 | 1178 | 1036 | 870 | 749 | 736 | 652 | 651 | 556 | 482 | 474 | 401 | 401 | 396 | 332 | 326 | 319 | 249 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | glass | glass | glass | cross | cross | 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) | 3:39AM 0.78 | 1:01PM 0.34 | 4:12AM 0.78 | 1:32PM 0.34 | 4:43AM 0.77 | 2:11PM 0.33 | ||||||||||||||||||
Low Tide / height (m) | 11:25AM 0.34 | 8:05PM 0.02 | 12:04PM 0.34 | 8:36PM 0.03 | 12:37PM 0.33 | |||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:53 | - |
 |  |  |  |  |  | | | | | |  | | | | | | |  | | | |  | | |
Rain (mm) | 1 | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - |
| Temp. °C | 24 | 24 | 23 | 24 | 25 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 |
| Feels °C (?) | 27 | 28 | 26 | 27 | 27 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 24 | 25 | 23 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 19 |
- 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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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Radz surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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