
Surf Forecasts:
ADs/Doubles surf forecast from 13 Sep 2026:
- Most powerful swell: Thursday 17 Sep, 5PM (local time) - 7ft (2.2m), 10s period, ENE swell with 904 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 2.2m 10s and forecast to arrive on Thursday (Sep 17) 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 0.9m 18s period and expected on Wednesday (Sep 16) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5PM (Thu 17th Sep) | 7ft (2.2m) 10s |
Table - best surf conditions forecast for ADs/Doubles over the next 16 days.
The Lowdown
Oi, Rusty here again. Looking at the same 16-day window for ADs/Doubles, and I gotta say, it’s a tough watch. Mostly we’re sitting on our hands for a good chunk of it.
The run starts Sunday the 13th with tiny, weak surf. We’re talking 2-3ft NNE to NE swells with short periods, and the wind is a constant cross or cross-onshore breeze at 12-22 mph, chopping everything up. The water is a warm 81°F, normal for the season, but the energy is pitiful. It stays like that – small and ugly – until Wednesday the 16th.
Wednesday arvo, we get a bit of a pulse: a 3ft SSW groundswell with a long 18-second period. The energy reading jumps to 796, which is moderate, but that long period groundswell usually runs straight at beach breaks, and the wind is still cross, so it’s messy. No good.
From Thursday the 17th, the swell size comes up – 7ft from the ENE on Thursday, with energy over 1100. But the wind is a fresh 22-25 mph cross-shore, creating lumpy, messy waves. It’s getting a bit heavy for beginners, and the conditions are all chop. More for the kites than the paddles.
The back half of the outlook, from the 20th of September through to the 28th, brings consistent swell. Wave heights stay between 5ft and 8ft from the E to ENE, with huge energy numbers in the 900-1200 range. But here’s the whole story: the wind never lets up. It’s a constant cross to cross-onshore breeze from the ENE at 19-25 mph. The session on Wednesday the 23rd shows a marginal 8ft E swell with an 11-second period and 1266 energy, but it’s just too messy. There is no clean, offshore day anywhere in this window. No glassy dawny. No standouts.
If you’re keen on strong side wind and big chop, there’s plenty of that. But for a clean surf? It’s a big ol’ blank. The area can go through these runs; it just is what it is.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Mon afternoon, min 25°C on Sun morning). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 9mm), mostly falling on Fri morning. Warm (max 27°C on Fri morning, min 25°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | |||||||||||||||
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) | NNE 9 | NNE 9 | NE 9 | NE 8 | NE 8 | SSW 13 | NE 8 | NE 8 | SSW 19 | ENE 6 | SSW 18 | ENE 6 | ENE 10 | ENE 10 | ENE 9 | SSW 17 | SSW 17 | E 8 | E 8 | ENE 8 | E 8 |
Wave Graph | |||||||||||||||||||||
135 | 138 | 115 | 100 | 80 | 68 | 88 | 128 | 470 | 97 | 541 | 213 | 846 | 904 | 724 | 622 | 580 | 573 | 522 | 497 | 653 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross-on | cross-on | cross | cross-on |
High Tide | 4:10PM0.44m | 5:15AM0.59m | 4:37PM0.37m | 6:02AM0.58m | 5:04PM0.30m | 6:56AM0.56m | 5:30PM0.25m | 8:04AM0.54m | 6:18PM0.21m | 9:21AM0.54m | 9:37PM0.19m | 10:30AM0.55m | 11:10PM0.22m | ||||||||
Low Tide | 10:58AM0.16m | 10:34PM0.05m | 11:57AM0.20m | 10:58PM0.06m | 1:10PM0.23m | 11:24PM0.09m | 2:59PM0.23m | 11:56PM0.11m | 5:49PM0.21m | 00:44AM0.14m | 6:28PM0.17m | 2:11AM0.15m | 6:51PM0.15m | 3:49AM0.15m | |||||||
6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — | |
— | 6:35 | — | — | 6:34 | — | — | 6:32 | — | — | 6:31 | — | — | 6:30 | — | — | 6:30 | — | — | 6:29 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 4 | — | — | 1 | — | — |
Temp °C | 25 | 25 | 25 | 25 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 26 |
Feels °C | 24 | 24 | 24 | 24 | 25 | 24 | 26 | 26 | 26 | 25 | 24 | 25 | 24 | 24 | 25 | 26 | 25 | 25 | 26 | 24 | 26 |
Swell 1 Height (m) Direction Period (s) | NNE 9 | NNE 9 | NE 9 | NE 8 | NE 8 | NE 8 | SW 20 | SW 20 | SSW 19 | SW 18 | SSW 18 | SW 17 | SW 16 | SW 16 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
135 | 138 | 115 | 100 | 80 | 51 | 392 | 388 | 470 | 455 | 541 | 429 | 261 | 258 | 651 | 622 | 580 | 539 | 382 | 387 | 350 | |
Swell 2 Height (m) Direction Period (s) | ENE 9 | SSW 15 | SW 12 | SSW 14 | SW 22 | SW 21 | ENE 6 | E 12 | NNE 8 | E 10 | E 10 | E 10 | SSW 20 | SSW 19 | SSE 10 | SSE 10 | SSE 8 | SSE 6 | SSW 18 | S 18 | SW 16 |
82 | 84 | 38 | 77 | 227 | 224 | 29 | 66 | 32 | 73 | 128 | 123 | 152 | 210 | 9 | 9 | 13 | 14 | 108 | 99 | 122 | |
Swell 3 Height (m) Direction Period (s) | SW 15 | SW 12 | ENE 8 | SSW 24 | SW 14 | SSW 13 | E 12 | SW 12 | E 11 | SW 12 | SW 11 | SSW 11 | SW 11 | SSW 10 | WSW 8 | W 9 | S 21 | S 20 | SSE 6 | SSE 8 | SSW 14 |
107 | 23 | 13 | 54 | 49 | 68 | 46 | 38 | 58 | 35 | 31 | 12 | 18 | 10 | 7 | 2 | 36 | 67 | 7 | 14 | 37 | |
Wind waves Height (m) Direction Period (s) | ENE 4 | E 9 | E 4 | E 5 | ENE 5 | ENE 5 | NE 8 | NE 8 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 10 | ENE 10 | ENE 9 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 |
6 | 54 | 17 | 15 | 27 | 56 | 88 | 128 | 66 | 97 | 127 | 213 | 846 | 904 | 724 | 588 | 535 | 573 | 522 | 497 | 653 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 49 | 18 | 19 | 49 | 18 | 18 | 18 | 20 | 21 | 49 | 109 | 49 | 109 | 109 | 49 | 49 | 56 | 49 | 51 | 49 | 49 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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.










