ADs/Doubles Surf Break

Lat Long: 21.30° N 157.66° W

ADs/Doubles Surf Forecast and Surf Report

Issued: 7 pm 28 Aug 2026 (local time)

Forecast update in  hr  min

Today's ADs/Doubles sea temperature is
27.0°C
0.2° 

ADs/Doubles surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


ADs/Doubles surf forecast from 29 Aug 2026:

  • Most powerful swell: Friday 4 Sep, 11AM (local time) - 5ft (1.5m), 13s period, E swell with 752 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 1.5m 13s and forecast to arrive on Friday (Sep 04) 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 17s period and expected on Saturday (Aug 29) at 11PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11AM (Fri 4th Sep)5ft (1.5m) 13s

Table - best surf conditions forecast for ADs/Doubles over the next 16 days.


The Lowdown

Hey, Rusty here. Let’s get into it for A-Ds-Doubles.

Honestly, the first week is a grind. From Saturday, August 29th through Friday, September 4th, the wind is hammering away cross-shore at 20 to 25 mph, and it’s keeping the ocean all chopped up. The swell sits around 5 to 8 ft, coming from the ENE with a short, weak period. The combined energy is moderate, from the 490 to 960 range. Water temp is nothing special for this time of year. Not a lot of reason to get wet unless you’re really keen on a rough paddle.

There’s a hint of improvement on Saturday, September 5th. The swell is still about 5 ft from the ENE, but the period stretches to 12 seconds – that’s a longer period groundswell starting to push in. Wind drops to 15 mph cross-shore, but we’re still dealing with some cross-chop. The energy is strong at 879, but the surf is only marginal. Better, but still not clean.

Now, Monday, September 7th brings the power. Swell jumps to 10 ft from the ENE. That is a very strong event, with combined energy hitting 2066. Wind and tide are favorable, but this is a serious size. This is expert-only territory. Beginners, stay on the beach. The same big energy sticks around for Tuesday, September 8th, with 10 ft in the morning and 8 ft in the afternoon. It’s still cross-shore and lumpy.

The real standout comes on Wednesday, September 9th. The swell drops to a more manageable 7 ft from the ENE, and the wind turns light cross-offshore in the afternoon. The sea state cleans right up. That afternoon is your best window – clean conditions, moderate energy at 694. Not the biggest, but the best shape and quality of the whole stretch.

After that, from Thursday, September 10th to Sunday, September 13th, it drops back into poor or marginal surf with onshore or cross winds and smaller swell.

So, for my money, the call is Wednesday, September 9th afternoon. Clean, light winds, head-high to slightly overhead swell from the ENE. That’s the one to aim for. The big 10 ft days on the 7th and 8th? That’s just for the brave and the skilled. For everyone else, it’s a waiting game.

Rusty, out.

Short Range Forecast

Some drizzle, heaviest during Sun night. Warm (max 26°C on Sat morning, min 25°C on Fri night). Mainly strong winds.

Days 5-7 Weather Summary

Some drizzle, heaviest during Wed night. Warm (max 26°C on Wed morning, min 25°C on Mon night). Mainly fresh winds.

Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
S
13
1.7
ENE
7
1.6
ENE
7
2.4
ENE
7
2.1
ENE
7
1.8
ENE
7
1.9
ENE
7
1.9
ENE
7
2.3
ENE
7
2.1
ENE
8
2.1
ENE
8
2.1
ENE
8
2.2
ENE
8
0.9
S
16
0.9
S
16
1.8
ENE
8
1.7
ENE
8
1.5
ENE
8
1.4
ENE
8
Wave Graph
Metric surfscale
Energy kJ
229
240
220
555
419
307
338
376
531
514
527
569
589
427
401
353
331
257
238
Wind (km/h)
35
ENE
35
ENE
40
ENE
40
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
NE
35
ENE
35
ENE
35
ENE
35
ENE
30
ENE
30
ENE
30
NE
25
NE
Wind State
cross-on
cross
cross
cross-on
cross
cross
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
High Tide
3:47AM0.44m
3:48PM0.58m
4:31AM0.49m
4:17PM0.51m
5:19AM0.53m
4:46PM0.43m
6:14AM0.56m
5:18PM0.36m
7:19AM0.59m
5:54PM0.28m
8:36AM0.61m
7:01PM0.22m
Low Tide
10:10PM0.06m
9:43AM0.10m
10:32PM0.05m
10:34AM0.14m
10:56PM0.04m
11:35AM0.19m
11:23PM0.04m
12:53PM0.23m
11:56PM0.04m
2:47PM0.24m
00:39AM0.05m
5:18PM0.21m
1:39AM0.06m
part cloud
part cloud
clear
part cloud
clear
clear
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
6:13
6:13
6:13
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:50
6:49
6:47
6:46
6:45
6:45
6:45
 mm
1
1
Temp °C
25
26
25
25
25
26
25
25
25
25
25
25
25
26
26
25
25
25
25
Feels °C
22
23
21
21
21
22
22
22
22
22
23
22
22
24
24
23
22
22
23
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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