Surf Forecasts:
Radz surf forecast from 25 Oct 2026:
- Best quality surf: Monday 26 Oct, 11AM (local time) - 3.5ft (1.1m), 16s period, NW swell with cross-offshore winds.
- Most powerful swell: Saturday 31 Oct, 8PM (local time) - 4ft (1.2m), 20s period, NW swell with 1,145 kJ wave energy.
- Next surfable swell (1★+): Sunday 25 Oct, 11PM (local time) - 5ft (1.5m), 10s period with NNW swell.
Best Forecast Surf Conditions for Radz this week:
The surf forecast for Radz over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Oct 25) at 11PM. The primary swell is predicted to be 1.5m and 10s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Radz in the next 16 days are 1.2m 20s and forecast to arrive on Saturday (Oct 31) at 8PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Friday (Oct 30) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Sun 25th Oct) | 5ft (1.5m) 10s |
| Best Surf | 11AM (Mon 26th Oct) | 3.5ft (1.1m) 16s |
| Most Powerful | 8PM (Sat 31st Oct) | 4ft (1.2m) 20s |
Table - best surf conditions forecast for Radz over the next 16 days.
Short Range ForecastModerate rain (total 10mm), heaviest on Tue morning. Warm (max 25°C on Sat afternoon, min 22°C on Tue morning). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 74mm), heaviest during Tue night. Warm (max 25°C on Thu afternoon, min 20°C on Tue afternoon). Wind will be generally light. | |||||||||||||||||||
Sat 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | Friday 30 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | NNW 13 | NNW 12 | NNW 11 | NNW 10 | NNW 10 | NW 16 | NW 16 | NW 15 | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NNE 11 | NNE 11 | NNE 10 | NNE 10 | NNE 9 | NE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 367 | 593 | 582 | 478 | 349 | 686 | 917 | 1048 | 965 | 711 | 609 | 330 | 236 | 167 | 265 | 328 | 281 | 290 | 207 | 388 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 2:20AM0.72m | 1:10PM0.49m | 3:00AM0.77m | 1:30PM0.45m | 3:44AM0.80m | 1:45PM0.41m | 4:33AM0.79m | 1:40PM0.38m | 5:29AM0.77m | 6:34AM0.74m | ||||||||||
Low Tide | 7:14PM0.07m | 8:34AM0.32m | 7:37PM0.03m | 9:30AM0.34m | 8:04PM0.00m | 10:34AM0.36m | 8:35PM-0.01m | 12:04PM0.38m | 9:08PM0.00m | 9:45PM0.04m | 10:26PM0.10m | |||||||||
 |  |  | |  | | | |  |  |  |  | |  | |  |  |  | |  | |
 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — |
 | 6:00 | — | — | 5:59 | — | — | 5:59 | — | — | 5:58 | — | — | 5:58 | — | — | 5:57 | — | — | 5:55 | — |
mm | — | — | — | — | — | — | — | — | 10 | 18 | 39 | 4 | 5 | 3 | 3 | 1 | 1 | — | — | — |
Temp °C | 25 | 24 | 24 | 24 | 23 | 24 | 24 | 23 | 23 | 21 | 22 | 24 | 24 | 24 | 24 | 25 | 24 | 25 | 25 | 24 |
Feels °C | 25 | 23 | 23 | 23 | 23 | 25 | 24 | 23 | 23 | 20 | 22 | 26 | 26 | 26 | 27 | 27 | 25 | 26 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | NNW 13 | NNW 12 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NW 16 | NW 15 | NW 14 | NW 13 | NW 13 | NW 12 | E 5 | NW 12 | NNE 11 | NNE 11 | NNE 10 | NNE 10 | NNE 9 | SW 8 |
| kJ | 367 | 593 | 582 | 478 | 349 | 315 | 917 | 1048 | 965 | 711 | 609 | 330 | 57 | 167 | 265 | 328 | 281 | 290 | 207 | 35 |
Swell 2 Height (m) Direction Period (s) | E 7 | NE 9 | E 7 | NE 8 | NW 18 | NW 16 | N 9 | N 10 | N 9 | SSW 16 | N 9 | NNE 9 | NW 12 | E 6 | NW 11 | NW 11 | NW 10 | SW 9 | SW 9 | E 12 |
| kJ | 39 | 51 | 37 | 23 | 327 | 686 | 281 | 313 | 241 | 84 | 235 | 129 | 236 | 30 | 96 | 96 | 53 | 68 | 62 | 75 |
Swell 3 Height (m) Direction Period (s) | NW 10 | E 11 | NE 8 | SSW 16 | E 7 | E 7 | E 7 | NNW 9 | SSW 14 | E 7 | SSW 15 | SSW 14 | NNE 9 | NNE 8 | E 6 | E 7 | E 7 | E 13 | E 13 | NW 12 |
| kJ | 61 | 21 | 33 | 51 | 25 | 23 | 15 | 32 | 61 | 8 | 44 | 41 | 103 | 75 | 15 | 22 | 14 | 53 | 51 | 50 |
Wind waves Height (m) Direction Period (s) | NNE 9 | NE 7 | — | E 7 | — | — | — | — | — | NNE 9 | E 5 | E 6 | — | S 4 | — | SW 4 | — | E 6 | E 6 | NE 9 |
| kJ | 212 | 111 | — | 51 | — | — | — | — | — | 294 | 64 | 86 | — | 3 | — | 7 | — | 109 | 61 | 388 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 39 | 33 | 8 | 33 | 0 | 0 | 0 | 0 | 3 | 33 | 8 | 8 | 30 | 0 | 0 | 8 | 0 | 6 | 30 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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.
Information about the Radz Surf forecast
The above surf forecast table for Radz provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Radz can be found by selecting the local surf guide option on the grey menu. Our Radz surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Radz) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Radz may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Radz is 22 km (14 miles) from Wahiawa. If you plan a vacation in Oahu, look for hotels and other accommodation in Wahiawa. Wahiawa has rooms for a wide range of budgets as well as car hire and transport links.
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