Surf Forecasts:
ADs/Doubles surf forecast from 29 Jul 2026:
- Best quality surf: Wednesday 29 Jul, 11AM (local time) - 7ft (2.1m), 10s period, ENE swell with cross-offshore winds.
- Most powerful swell: Saturday 1 Aug, 2PM (local time) - 10ft (3.0m), 8s period, ENE swell with 1,332 kJ wave energy.
- Next surfable swell (1★+): Wednesday 29 Jul, 11AM (local time) - 7ft (2.1m), 10s period with ENE swell.
Best Forecast Surf Conditions for ADs/Doubles this week:
The surf forecast for ADs/Doubles over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 29) at 11AM. The primary swell is predicted to be 2.1m and 10s period with a secondary swell of 0.5m and 13s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at ADs/Doubles in the next 16 days are 3.0m 8s and forecast to arrive on Saturday (Aug 01) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 15s period and expected on Friday (Jul 31) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Wed 29th Jul) | 7ft (2.1m) 10s |
| Best Surf | 11AM (Wed 29th Jul) | 7ft (2.1m) 10s |
| Most Powerful | 2PM (Sat 1st Aug) | 10ft (3.0m) 8s |
Table - best surf conditions forecast for ADs/Doubles over the next 16 days.
The Lowdown
Alright, let’s get into it.
The surf window kicks off on Wednesday, July 29, with clean conditions early before the wind turns on us.
Wednesday morning (July 29) is the real standout here. ADs/Doubles has a solid 7ft of ENE groundswell running with a 10-second period, and the water temp is sitting at 80° – that’s about average for this time of year (only 0.4° warmer than usual). The wind is light out of the north, which is cross-offshore, keeping those faces clean. Wave energy is moderate (939). This is the best you’re gonna see for a while – get out there early.
Wednesday afternoon the wind swings to NE and goes light cross, swell drops to 6ft and the period drops to 9 seconds – still okay but not as good as the morning.
Then from Thursday July 30 all the way through to Tuesday August 12, it’s pretty much a write-off. The wind locks in from the ENE and kicks up strong, with speeds from 12 mph right up to 31 mph. The swell sticks around 5ft to 10ft for the first week, but the period stays short (8 seconds or less), and the wind state is cross or cross-on with heavy chop. Even when the swell hits 10ft on August 1, the wind is a near gale and blowing cross-shore – that’s only for experienced chargers or kite surfers, not paddle surfing.
A couple of days in there (August 4) we get a bit of a reprieve with a longer-period swell (11-12 seconds) and lighter winds, but the wave heights drop to 5ft-6ft and the forecast is only marginal. It might be rideable but nothing special.
From August 5 onward, the swell drops further to 2ft-4ft and the period gets choppy or long-period southerly swells come through (16-18 seconds) but the wind is still onshore or cross. Not worth suiting up.
Then on August 13, the pattern shifts again to short-period ENE swell (5ft at 6 seconds) but it’s cross-on and messy.
So, bottom line: Wednesday morning July 29 is your one true standout. After that, there’s a solid two-week stretch of poor to marginal conditions. The setup is better for kiting than paddling once the wind cranks up. Keep an eye on things – it can turn quick.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Wed afternoon, min 24°C on Fri night). Winds increasing (light winds from the NE on Wed afternoon, strong winds from the ENE by Fri night). | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Sat morning, min 24°C on Sat morning). Winds decreasing (strong winds from the ENE on Sat morning, light winds from the ENE by Mon night). | ||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | |||||||||||||||
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) | ENE 10 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | E 7 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 12 | ENE 12 | ENE 11 | ENE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 782 | 475 | 256 | 318 | 234 | 320 | 459 | 518 | 1003 | 1072 | 1282 | 1222 | 908 | 740 | 686 | 457 | 370 | 918 | 741 | 597 | 446 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross-on | cross | cross | cross | cross | cross | cross-on | cross | cross-off | cross-on |
High Tide | 3:28PM0.69m | 3:26AM0.26m | 3:57PM0.68m | 4:08AM0.30m | 4:25PM0.65m | 4:55AM0.33m | 4:53PM0.60m | 5:48AM0.38m | 5:22PM0.53m | 6:48AM0.43m | 5:53PM0.45m | 7:57AM0.48m | 6:26PM0.37m | ||||||||
Low Tide | 8:21AM0.00m | 10:49PM0.08m | 8:58AM0.02m | 11:13PM0.07m | 9:38AM0.05m | 11:37PM0.06m | 10:23AM0.11m | 00:02AM0.05m | 11:17AM0.16m | 00:29AM0.04m | 12:27PM0.23m | 00:59AM0.04m | 2:07PM0.27m | 1:37AM0.03m | |||||||
 | |  |  | |  | | | | | | | | | | | |  |  | | | |
 | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — |
 | — | 7:10 | — | — | 7:09 | — | — | 7:09 | — | — | 7:08 | — | — | 7:08 | — | — | 7:07 | — | — | 7:07 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 |
Feels °C | 28 | 29 | 29 | 27 | 26 | 25 | 24 | 21 | 21 | 20 | 21 | 21 | 22 | 21 | 21 | 23 | 23 | 23 | 27 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | ENE 9 | ENE 8 | S 14 | ENE 8 | S 13 | E 15 | E 16 | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 | E 12 | ENE 12 | ENE 12 | SSW 11 | ENE 10 |
| kJ | 782 | 475 | 256 | 181 | 234 | 166 | 216 | 301 | 267 | 264 | 257 | 253 | 236 | 257 | 125 | 119 | 146 | 918 | 741 | 43 | 446 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 14 | SSW 13 | SW 18 | S 13 | SSW 16 | S 13 | SW 15 | SW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SW 12 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SW 16 | SSW 11 |
| kJ | 87 | 192 | 133 | 154 | 173 | 177 | 115 | 239 | 176 | 129 | 123 | 131 | 133 | 68 | 40 | 33 | 29 | 48 | 47 | 68 | 41 |
Swell 3 Height (m) Direction Period (s) | S 15 | SSW 20 | N 7 | E 19 | SSW 18 | E 16 | SW 16 | S 12 | S 12 | S 12 | S 11 | S 11 | N 9 | N 9 | SSW 13 | SW 13 | SW 13 | SSE 9 | SSW 16 | S 14 | SW 15 |
| kJ | 70 | 37 | 31 | 29 | 207 | 127 | 206 | 106 | 72 | 42 | 39 | 23 | 15 | 14 | 58 | 42 | 41 | 8 | 26 | 35 | 57 |
Wind waves Height (m) Direction Period (s) | — | — | — | ENE 8 | — | E 7 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | — | ENE 11 | — |
| kJ | — | — | — | 318 | — | 320 | 459 | 518 | 1003 | 1072 | 1282 | 1222 | 908 | 740 | 686 | 457 | 370 | — | — | 597 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 7 | 7 | 41 | 50 | 49 | 56 | 62 | 110 | 131 | 140 | 58 | 58 | 61 | 56 | 18 | 51 | 18 | 7 | 7 | 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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