Surf Forecasts:
ADs/Doubles surf forecast from 2 Sep 2026:
- Most powerful swell: Saturday 5 Sep, 5PM (local time) - 8ft (2.5m), 14s period, ENE swell with 2,468 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 2.5m 14s and forecast to arrive on Saturday (Sep 05) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 14s period and expected on Tuesday (Sep 08) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5PM (Sat 5th Sep) | 8ft (2.5m) 14s |
Table - best surf conditions forecast for ADs/Doubles over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what ADs/Doubles has in store for us over the next couple of weeks.
Right off the bat, it’s a rough start. The first few days are a write-off. We’ve got a strong cross-shore wind blowing and messy conditions that just aren't worth paddling out for. You’ll want to sit this one out until at least Saturday the 5th.
Saturday the 5th sees the swell jump up to 8 ft from the ENE, with a very long 14-second period packing a punch. The combined energy is ramped right up (2931 on Saturday morning), but the cross-shore wind is still fresh and keeping things lumpy. It’s looking marginal at best, with questionable tide conditions. The swell will be powerful, but you’ll be fighting the bump.
Sunday the 6th is much the same story: a solid 8 ft of ENE groundswell but still with that cross-shore wind. By the afternoon we’ve got light rain showers moving in with a moderate breeze. It’s still a bit of a battle.
Now, hold on for Monday the 7th. The wind finally drops right off. We’re talking a light breeze, about 6 mph from the SE. The swell is still a good 8 ft from the ENE with a 12-second period. The conditions look like they might clean up nicely. The combined energy (1979) is still pumping. This is the first real window of opportunity.
The standout window is shaping up for Monday the 14th of September. That afternoon, the wind goes glassy. Absolutely glassy. Swell is a solid 8 ft from the ENE with 11-second period, and the combined energy is up at 1965. This is excellent for experienced surfers. That’s the one you want to circle on your calendar. Just keep in mind we’re talking about a day that’s over a week out, so treat it as promising but not locked in.
From the 15th onward, we see the energy drop off significantly. Swell sizes drop below 3 ft, and the quality fades. The long-range signal fizzles out.
Overall, it’s a two-part story: a week of onshore mess and frustration, followed by a very promising, clean and powerful window around the 7th and especially the 14th. Keep your eyes on that Monday the 14th.
Rusty out.
Short Range ForecastSome drizzle, heaviest during Tue night. Warm (max 26°C on Tue afternoon, min 25°C on Tue night). Mainly strong winds. | Days 5-7 Weather SummaryLight rain (total 9mm), mostly falling on Sun night. Warm (max 26°C on Sat morning, min 25°C on Fri afternoon). Winds decreasing (strong winds from the ENE on Fri afternoon, light winds from the E by Mon morning). | |||||||||||||||||||
Tue 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | ||||||||||||||
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 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 14 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 488 | 564 | 520 | 549 | 929 | 821 | 800 | 806 | 729 | 659 | 852 | 2244 | 2468 | 2091 | 1931 | 1905 | 1757 | 1493 | 1455 | 1027 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-on | on | cross-on |
High Tide | 5:18PM0.36m | 7:19AM0.59m | 5:54PM0.28m | 8:36AM0.61m | 7:01PM0.22m | 9:55AM0.64m | 9:27PM0.19m | 11:03AM0.68m | 11:10PM0.21m | 12:00PM0.71m | 00:14AM0.26m | 12:48PM0.73m | 1:03AM0.31m | |||||||
Low Tide | 11:56PM0.04m | 2:47PM0.24m | 00:39AM0.05m | 5:18PM0.21m | 1:39AM0.06m | 6:33PM0.16m | 3:03AM0.07m | 7:10PM0.12m | 4:28AM0.06m | 7:41PM0.09m | 5:40AM0.04m | 8:09PM0.07m | ||||||||
 |  |  | |  | | | | | |  | | | | |  |  |  | | | |
 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — |
 | 6:45 | — | — | 6:45 | — | — | 6:45 | — | — | 6:44 | — | — | 6:43 | — | — | 6:42 | — | — | 6:40 | — |
mm | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 5 | 2 | 3 | — |
Temp °C | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 24 | 24 | 24 | 23 | 22 | 21 | 21 | 20 | 20 | 20 | 21 | 24 | 25 | 25 | 26 | 25 | 26 | 28 | 27 | 29 |
Swell 1 Height (m) Direction Period (s) | S 18 | S 17 | S 16 | S 16 | S 15 | S 14 | SSE 12 | SSE 12 | S 12 | E 14 | E 14 | SSW 12 | SSW 12 | ENE 13 | SW 11 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 11 |
| kJ | 314 | 364 | 422 | 401 | 279 | 206 | 241 | 447 | 480 | 659 | 852 | 550 | 569 | 2091 | 273 | 1905 | 1757 | 1493 | 1455 | 1027 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 10 | E 14 | E 14 | S 11 | SSE 13 | S 14 | E 14 | E 14 | S 11 | S 12 | SSW 17 | SSW 18 | SSW 11 | SSW 16 | SSW 11 | SW 11 | SSW 17 | SSW 17 | SSW 15 |
| kJ | 77 | 35 | 36 | 66 | 37 | 147 | 146 | 334 | 439 | 235 | 538 | 117 | 61 | 270 | 173 | 204 | 229 | 486 | 610 | 519 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SW 14 | SSE 10 | S 11 | SE 15 | S 10 | SSE 16 | SW 18 | SW 12 | S 13 | NNE 11 | NNE 10 | NNE 10 | SSW 16 | S 12 | SSW 19 | SSW 18 | SW 11 | SW 11 | SW 12 |
| kJ | 52 | 51 | 19 | 37 | 60 | 18 | 84 | 12 | 6 | 168 | 12 | 20 | 32 | 169 | 26 | 283 | 432 | 224 | 263 | 287 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 14 | ENE 14 | — | ENE 13 | — | — | — | — | — |
| kJ | 488 | 564 | 520 | 549 | 929 | 821 | 800 | 806 | 729 | 637 | 542 | 2244 | 2468 | — | 1931 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 109 | 49 | 56 | 62 | 110 | 112 | 110 | 109 | 112 | 109 | 56 | 49 | 56 | 18 | 19 | 21 | 18 | 7 | 4 | 4 |
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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