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Surf Forecasts:
Radz surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Friday 20 Mar 2026 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
24.2° C
(Which is normal for this time of year)How big are the waves at Radz today?
The current surf forecast for Radz at 9PM is: 1.5m 11s primary swell from a North direction and 0.7m 5s secondary swell from a Southwest direction (forecast issued at 01:00pm March 20). An open ocean swell of 0.4m 7s 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 (20 Mar) | 3.5ft (1.0m) | 10s |
| Afternoon (20 Mar) | 4.5ft (1.3m) | 12s |
| Evening (20 Mar) | 5ft (1.5m) | 11s |
Table - waves today at Radz. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| 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) (?) | 10 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 12 | 11 | 11 | 10 | 11 | 11 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 200 | 393 | 431 | 457 | 577 | 566 | 646 | 696 | 785 | 1342 | 1365 | 1230 | 543 | 571 | 425 | 348 | 372 | 362 | 357 | 347 | 264 | 257 | 253 | 217 |
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 | cross | cross | glass | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | glass | glass | cross- off | cross- off | glass | glass |
High Tide / height (m) | 4:10PM 0.67 | 3:07AM 0.52 | 5:01PM 0.68 | 3:12AM 0.47 | 6:03PM 0.68 | 2:35AM 0.44 | ||||||||||||||||||
Low Tide / height (m) | 9:18AM 0.09 | 10:09PM 0.32 | 9:42AM 0.07 | 11:10PM 0.39 | 10:09AM 0.06 | 12:59AM 0.44 | ||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:33 |
| Sunset | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - |
 | | |  | |  | | | | | | | | | | | |  | | | | | | | |
Rain (mm) | 1 | 1 | 1 | 2 | 1 | - | 1 | 2 | 1 | 2 | 3 | 3 | 1 | - | - | 2 | 2 | - | - | 1 | 2 | 1 | - | - |
| Temp. °C | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 |
| Feels °C (?) | 25 | 25 | 26 | 25 | 26 | 27 | 26 | 27 | 28 | 26 | 26 | 26 | 25 | 26 | 24 | 24 | 24 | 26 | 27 | 26 | 25 | 25 | 25 | 25 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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