Surf Forecasts:
ADs/Doubles surf forecast from 16 Aug 2026:
- Most powerful swell: Sunday 16 Aug, 8AM (local time) - 15ft (4.5m), 10s period, E swell with 3,544 kJ wave energy.
Best Forecast Surf Conditions for ADs/Doubles this week:
The most powerful waves expected at ADs/Doubles in the next 16 days are 4.5m 10s and forecast to arrive on Sunday (Aug 16) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 16s period and expected on Friday (Aug 21) at 2AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8AM (Sun 16th Aug) | 15ft (4.5m) 10s |
Table - best surf conditions forecast for ADs/Doubles over the next 16 days.
The Lowdown
Alright, Rusty here. Let's break down the next couple of weeks.
Honestly, I'm not going to sugarcoat it – this is a pretty grim outlook. We've got a solid 14-day stretch where you wouldn't want to paddle out. The wind is the main culprit, blowing hard from the East and East-North-East almost every single day, making a mess of everything. There's some swell forecast, but it's all wind-affected junk. The only spot in the mix is A-Ds-Doubles, and it's not offering anything good.
The first week, from Sunday the 16th through to Thursday the 27th of August, is a total write-off. Too much wind, too much chop, and the surf quality is just terrible. Leave your board in the car.
There's a little bit of a change right at the end, on Friday the 28th and Saturday the 29th of August. The swell builds up to 10ft from the East, with moderate to strong energy, but the notes say it's predicted to be too big for this break. That size, with a short 8-second period and a fresh cross-shore wind, is just going to be a dangerous close-out for experts only. It's not clean, and it's not fun.
The water's about 80°, which is normal for this time of year, so you won't need a wetsuit.
So, to sum it up: there are no good options. It's a complete blank run. Things can change quickly, but for now, don't expect anything worth your time.
- Rusty
Short Range ForecastHeavy rain (total 56mm), heaviest during Sun morning. Warm (max 27°C on Sun night, min 25°C on Sun morning). Winds decreasing (strong winds from the ESE on Sun morning, light winds from the E by Sun night). | Days 4-6 Weather SummaryMostly dry. Warm (max 26°C on Fri morning, min 24°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||
AM | 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) | E 9 | ENE 8 | ENE 8 | ENE 8 | S 14 | ENE 7 | S 13 | ENE 7 | ENE 8 | E 8 | E 8 | E 8 | SSW 18 | SSW 17 | ENE 7 | NE 7 | NE 7 | SSW 16 | ENE 6 | ENE 7 | E 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1619 | 847 | 427 | 338 | 261 | 188 | 165 | 158 | 207 | 169 | 100 | 82 | 207 | 202 | 108 | 69 | 79 | 322 | 96 | 118 | 270 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross-on | cross | cross |
High Tide | 5:21PM0.47m | 6:52AM0.50m | 5:48PM0.38m | 7:56AM0.52m | 6:10PM0.31m | 9:08AM0.53m | 10:20AM0.55m | 8:45PM0.20m | 11:21AM0.57m | 10:59PM0.20m | 12:10PM0.60m | 00:02AM0.21m | |||||||||
Low Tide | 11:53AM0.20m | 00:11AM0.05m | 1:08PM0.25m | 00:39AM0.07m | 2:59PM0.27m | 1:14AM0.09m | 2:00AM0.10m | 7:38PM0.20m | 3:06AM0.11m | 7:49PM0.17m | 4:20AM0.10m | 8:09PM0.14m | |||||||||
 | |  |  | |  | | | |  | | | | | | | | | | |  | |
 | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — |
 | — | 7:00 | — | — | 6:59 | — | — | 6:58 | — | — | 6:57 | — | — | 6:57 | — | — | 6:55 | — | — | 6:54 | — |
mm | 42 | 7 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 27 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 27 | 26 |
Feels °C | 24 | 26 | 28 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 25 | 26 | 25 | 25 | 29 | 28 | 27 | 27 | 27 | 25 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | ENE 8 | ENE 8 | S 14 | S 14 | S 13 | ENE 7 | S 13 | S 13 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 7 | NE 7 | NE 7 | ENE 7 | ENE 6 | SW 16 | SSW 16 |
| kJ | 559 | 847 | 427 | 338 | 257 | 170 | 147 | 119 | 117 | 169 | 84 | 82 | 74 | 54 | 108 | 69 | 79 | 81 | 96 | 251 | 212 |
Swell 2 Height (m) Direction Period (s) | S 16 | SSE 8 | SSE 7 | SSE 6 | SW 6 | E 9 | S 13 | SSW 18 | SW 18 | SW 16 | S 12 | NE 6 | NE 6 | NE 6 | SW 16 | SW 17 | SW 16 | SSW 16 | SW 16 | S 12 | SSE 12 |
| kJ | 188 | 238 | 62 | 20 | 13 | 15 | 165 | 123 | 79 | 129 | 71 | 39 | 40 | 43 | 278 | 295 | 264 | 322 | 261 | 76 | 51 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 13 | S 14 | SW 6 | SSE 5 | SW 6 | SW 17 | WSW 7 | W 12 | S 12 | SSW 16 | SW 16 | SSW 18 | SSW 17 | S 11 | E 8 | E 8 | S 13 | S 13 | SSE 15 | SW 9 |
| kJ | 81 | 125 | 250 | 13 | 6 | 5 | 74 | 10 | 11 | 44 | 100 | 129 | 207 | 202 | 21 | 21 | 21 | 54 | 84 | 42 | 21 |
Wind waves Height (m) Direction Period (s) | E 9 | — | — | ENE 8 | ENE 7 | ENE 7 | ENE 6 | ENE 7 | ENE 8 | — | NE 6 | — | — | — | — | — | — | E 5 | — | ENE 7 | E 7 |
| kJ | 1619 | — | — | 310 | 261 | 188 | 85 | 158 | 207 | — | 40 | — | — | — | — | — | — | 20 | — | 118 | 270 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 139 | 41 | 7 | 49 | 49 | 21 | 49 | 20 | 18 | 49 | 18 | 18 | 17 | 18 | 7 | 7 | 16 | 7 | 49 | 49 | 18 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the ADs/Doubles Surf forecast
The above surf forecast table for ADs/Doubles provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at ADs/Doubles can be found by selecting the local surf guide option on the grey menu. Our ADs/Doubles 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 (ADs/Doubles) 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 ADs/Doubles 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.
ADs/Doubles is 14 km (9 miles) from the city of Kailua. If you plan a vacation in Oahu, look for hotels and other accommodation in Kailua. Kailua has rooms for a wide range of budgets as well as car hire and transport links.
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