Surf Forecasts:
ADs/Doubles surf forecast from 6 Sep 2026:
- Most powerful swell: Monday 7 Sep, 8AM (local time) - 8ft (2.5m), 12s period, ENE swell with 1,786 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 12s and forecast to arrive on Monday (Sep 07) 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 3.0m 15s period and expected on Monday (Sep 07) at 8PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8AM (Mon 7th Sep) | 8ft (2.5m) 12s |
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’s in store for ADs/Doubles over the next couple of weeks.
Right off the bat, I’ve gotta be straight with you – it’s looking pretty grim. We’re starting with a long stretch of poor conditions. From Sunday the 6th right through the 15th, there’s just nothing to get excited about. The wind is a constant problem, blowing cross-shore or cross-onshore at 12 to 25 mph, and the swell is mixed up with a short period, keeping things lumpy and choppy. The water temp is about average for this time of year.
Wednesday the 9th morning offers a tiny glimmer – a 3ft SSW groundswell with a long 14-second period and light winds, but the energy is weak (542) and the conditions are still marginal. Not worth a paddle, honestly.
The only period that might get your heart beating is around Wednesday the 16th and into the following week. We’ve got a long-period SSW groundswell showing up. On Wednesday the 16th afternoon, it’s 3ft at 18 seconds, but the wind is a strong 25 mph cross-shore, making a mess of it. The energy is moderate (899). Thursday the 17th and Friday the 18th are similar stories – clean-looking swell lines but completely ruined by fresh to strong cross-shore winds. The best looking swell is on Friday the 18th morning with a 2ft SSW swell at 19 seconds – that’s a very long period groundswell, which would be sweet at a point break or reef, but here it’s just getting chopped up by a 22 mph cross-shore.
For a break like this, which is exposed to the swell, we need a calm day. The issue is that all the solid, long-period energy is paired with nasty wind. There is no standout session in this outlook. Not one day where the wind drops and the swell lines up. It’s a flat run for the books, and it’s not looking like it’ll change soon.
This is one of those times where the setup looks more interesting for kite surfing than paddle surfing, with that steady cross-shore wind.
Rusty.
Short Range ForecastHeavy rain (total 23mm), heaviest during Sun night. Warm (max 27°C on Mon afternoon, min 25°C on Sat night). Mainly fresh winds. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Tue night. Warm (max 27°C on Tue night, min 25°C on Wed night). Mainly fresh winds. | ||||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | ||||||||||||||
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 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 10 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | ENE 7 | ENE 7 | ENE 7 | ENE 12 | ENE 12 | ENE 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 1723 | 1485 | 1437 | 1590 | 1676 | 1468 | 1170 | 904 | 601 | 356 | 269 | 212 | 208 | 236 | 197 | 178 | 603 | 689 | 627 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on |
High Tide | 11:10PM0.21m | 12:00PM0.71m | 00:14AM0.26m | 12:48PM0.73m | 1:03AM0.31m | 1:30PM0.72m | 1:48AM0.38m | 2:07PM0.69m | 2:29AM0.44m | 2:41PM0.65m | 3:11AM0.50m | 3:13PM0.59m | 3:51AM0.55m | ||||||
Low Tide | 4:28AM0.06m | 7:41PM0.09m | 5:40AM0.04m | 8:09PM0.07m | 6:40AM0.03m | 8:36PM0.05m | 7:34AM0.03m | 9:01PM0.04m | 8:25AM0.05m | 9:26PM0.04m | 9:14AM0.08m | 9:49PM0.03m | |||||||
 |  |  |  | | |  | | | |  |  |  | | | |  | |  | |
 | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — |
 | 6:43 | — | 6:42 | — | — | 6:40 | — | — | 6:39 | — | — | 6:38 | — | — | 6:37 | — | — | 6:37 | — |
mm | 1 | — | 2 | 9 | 3 | 4 | 1 | 1 | 2 | 1 | — | 1 | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 25 |
Feels °C | 23 | 25 | 25 | 26 | 25 | 28 | 28 | 27 | 28 | 30 | 29 | 28 | 27 | 25 | 25 | 24 | 23 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | ENE 13 | SSW 12 | SSW 12 | SW 12 | SW 13 | ENE 12 | SW 14 | SW 11 | ENE 10 | ENE 9 | ENE 8 | ENE 8 | SSW 13 | E 12 | E 12 | SW 16 | ENE 12 | SW 15 | SW 15 |
| kJ | 1723 | 336 | 563 | 607 | 604 | 1468 | 3893 | 1744 | 601 | 340 | 192 | 181 | 195 | 139 | 137 | 268 | 603 | 229 | 226 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | SSW 16 | SSW 18 | SSW 18 | SW 15 | SW 15 | ENE 12 | ENE 11 | SSW 9 | SSW 8 | SSW 14 | SSW 13 | E 12 | SSW 13 | SSW 13 | E 11 | SW 16 | SSW 11 | SSW 11 |
| kJ | 497 | 322 | 195 | 437 | 557 | 2140 | 1170 | 904 | 454 | 179 | 269 | 204 | 144 | 133 | 93 | 125 | 261 | 43 | 25 |
Swell 3 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 12 | S 7 | SSW 17 | SSW 17 | SSW 15 | SSW 15 | W 10 | SSW 14 | SSW 8 | E 13 | SSW 7 | SSW 16 | SW 18 | S 12 | SW 8 | SW 8 | SW 8 |
| kJ | 20 | 19 | 46 | 25 | 498 | 625 | 507 | 498 | 333 | 356 | 81 | 212 | 35 | 179 | 155 | 71 | 25 | 17 | 10 |
Wind waves Height (m) Direction Period (s) | — | ENE 12 | ENE 12 | ENE 12 | ENE 12 | — | — | S 10 | — | — | — | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 12 | ENE 11 |
| kJ | — | 1485 | 1437 | 1590 | 1676 | — | — | 529 | — | — | — | — | 208 | 236 | 197 | 178 | 111 | 689 | 627 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 19 | 49 | 49 | 42 | 113 | 41 | 61 | 57 | 4 | 4 | 4 | 18 | 18 | 49 | 20 | 18 | 18 | 20 | 49 |
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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