Surf Forecasts:
ADs/Doubles surf forecast from 6 Aug 2026:
- Most powerful swell: Wednesday 12 Aug, 11AM (local time) - 3.5ft (1.0m), 18s period, S swell with 627 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 1.0m 18s and forecast to arrive on Wednesday (Aug 12) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 15s period and expected on Wednesday (Aug 05) at 11PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11AM (Wed 12th Aug) | 3.5ft (1.0m) 18s |
Table - best surf conditions forecast for ADs/Doubles over the next 16 days.
The Lowdown
Right then, Rusty here again. Let’s run through it in feet and miles.
Looking at ADs/Doubles for the next 16 days, it’s a tough one. There’s nothing worth paddling out for from the start. The first surf shows up on Wednesday the 5th of August, but it’s a no-go from there. The whole forecast is blown out with messy cross-shore winds and lumpy conditions. A blank run like this is just how it goes here sometimes.
On Wednesday afternoon, the 5th, we see the first swell – about 4ft from the ENE with a short period of 9 seconds. The combined energy is moderate (408), but with 25 km/h cross wind from the NE, it’s messy. Water temp is 27°, which is pretty average for this time of year, but that doesn’t help the surf.
Thursday the 6th and Friday the 7th drop to a tiny 1ft from the SSW with a long 14-second period. Winds are still 25-30 km/h, cross or cross-on, chopping it up. Energy is low to moderate (150-235).
Saturday the 8th brings a bump to 5-6ft from the ENE, still short period (7 seconds), with 35 km/h cross winds. Energy hits 386. For a beginner, that 5ft is a handful even without the wind. By Sunday the 9th, we’re at 7ft from the ENE with 7-8 second period and 35 km/h winds. Energy is strong (716), but it’s a lumpy mess.
The second week is all bad. From Monday the 10th through Thursday the 20th of August, winds are 30-45 km/h, and swell sizes run from 3ft up to a solid 10ft. The biggest day is Saturday the 15th of August with a 10ft ENE swell at 8 seconds and 45 km/h winds – energy is very strong (1253). Over 8ft, that’s expert-only, and with that wind, it’s more of a kite session than a surf. The 12th of August has a 3ft south swell with a very long 18-second period and strong energy (980), but the cross wind ruins any chance of clean lines.
The only highlight? There isn’t one. If I had to pick the least bad moment, it’d be Thursday morning the 13th – 4ft from the south, 16-second period, strong energy (869), but still with 35 km/h cross wind. It’s not good.
So yeah, board stays in the car. Nothing to get excited about.
Rusty.
Short Range ForecastMostly dry. Warm (max 25°C on Wed afternoon, min 24°C on Thu night). Mainly fresh winds. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Sun night. Warm (max 26°C on Sat afternoon, min 25°C on Sat afternoon). Mainly fresh winds. | |||||||||||||||||||
Wed 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | ||||||||||||||
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) | ENE 9 | ENE 9 | ENE 6 | SSW 14 | ENE 5 | SSW 14 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | SSW 14 | S 20 |
Wave Graph  | ||||||||||||||||||||
 kJ | 232 | 228 | 82 | 81 | 46 | 78 | 87 | 150 | 187 | 268 | 302 | 414 | 426 | 375 | 220 | 208 | 193 | 188 | 269 | 373 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross |
High Tide | 7:10PM0.29m | 10:22AM0.61m | 8:39PM0.22m | 11:25AM0.67m | 10:36PM0.19m | 12:21PM0.73m | 00:00AM0.20m | 1:10PM0.77m | 1:01AM0.23m | 1:55PM0.79m | 1:52AM0.27m | 2:36PM0.79m | 2:40AM0.31m | |||||||
Low Tide | 4:33PM0.27m | 2:24AM0.02m | 6:43PM0.21m | 3:25AM0.02m | 7:38PM0.16m | 4:32AM0.00m | 8:16PM0.11m | 5:38AM-0.02m | 8:50PM0.08m | 6:37AM-0.03m | 9:21PM0.06m | 7:31AM-0.04m | 9:52PM0.05m | |||||||
 |  |  | | | | | | | | | | |  | | | |  | | | |
 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — |
 | 7:07 | — | — | 7:06 | — | — | 7:06 | — | — | 7:05 | — | — | 7:05 | — | — | 7:04 | — | — | 7:02 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 |
Feels °C | 24 | 25 | 26 | 23 | 24 | 24 | 23 | 24 | 23 | 24 | 23 | 23 | 23 | 24 | 25 | 24 | 24 | 25 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SW 15 | ENE 8 | ENE 8 | ENE 8 | ENE 5 | SSW 14 | SSW 14 | SW 18 | SW 18 | SSW 13 | SSW 13 | SSW 12 | S 16 | SSW 15 | SSW 16 | ENE 7 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 88 | 54 | 59 | 54 | 37 | 51 | 73 | 107 | 164 | 154 | 99 | 98 | 86 | 131 | 184 | 191 | 193 | 165 | 269 | 243 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | SSE 12 | SSW 14 | SSW 14 | SW 14 | ENE 7 | SW 20 | SSW 19 | SSW 13 | SSW 13 | SW 18 | SSW 17 | SSW 16 | SSW 12 | SSW 12 | SSE 9 | SSW 15 | SSW 11 | SSE 9 | S 20 |
| kJ | 39 | 49 | 82 | 81 | 102 | 21 | 100 | 148 | 67 | 99 | 150 | 108 | 102 | 57 | 56 | 33 | 186 | 40 | 25 | 373 |
Swell 3 Height (m) Direction Period (s) | SSE 12 | SSW 10 | SSE 12 | SSE 11 | SSE 11 | SSW 14 | SSE 11 | NE 11 | SSW 15 | SSE 10 | NE 9 | SSW 17 | SSW 18 | NNW 10 | SSE 10 | SSW 11 | SSE 9 | SSE 9 | S 21 | SSE 8 |
| kJ | 49 | 20 | 26 | 41 | 40 | 78 | 23 | 31 | 71 | 19 | 29 | 96 | 102 | 33 | 31 | 49 | 27 | 26 | 79 | 14 |
Wind waves Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 6 | ENE 6 | ENE 5 | — | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | — | ENE 7 | ENE 7 | ENE 7 |
| kJ | 232 | 228 | 62 | 59 | 46 | — | 87 | 150 | 187 | 268 | 302 | 414 | 426 | 375 | 220 | 208 | — | 188 | 163 | 143 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 18 | 18 | 49 | 22 | 19 | 49 | 49 | 49 | 56 | 56 | 50 | 49 | 56 | 49 | 50 | 49 | 20 | 18 | 18 | 22 |
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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