ADs/Doubles Surf Break

Lat Long: 21.30° N 157.66° W

ADs/Doubles Surf Forecast and Surf Report

Issued: 7 am 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's ADs/Doubles sea temperature is
26.5° C
0.3° 

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 18 Jul 2026:

  • Most powerful swell: Saturday 25 Jul, 2AM (local time) - 8ft (2.5m), 8s period, ENE swell with 816 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 8s and forecast to arrive on Saturday (Jul 25) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 13s period and expected on Saturday (Jul 18) at 11AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Sat 25th Jul)8ft (2.5m) 8s

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


The Lowdown

### Imperial

Let's talk about ADs/Doubles in feet and miles per hour, because that’s how we feel it. It's a rough outlook, and I'm not gonna sugarcoat it.

We’re starting off with a total flat spell for the next week and a half, seriously. The wind is ripping from the ENE at 22 to 25 mph, cross-shore, tearing up anything that tries to stand up. The water temperature is 80° on average – nothing weird there. Surf size today, the 18th, is 8ft from the same direction as the wind, and that energy reading (644 to 671) is just a sign of a blown-out mess. Saturday afternoon is the same story: 7ft and garbage. Sunday and Monday are no different – we’ve got 5ft of cross-shore chop.

For ten straight days, from July 18th to the 28th, it’s either poor or marginal. A long-period S swell rolls in on Monday the 20th, 3ft at 16 seconds, but the breeze is moderate and cross-shore – so it’s lumpy. There’s no way to get a clean wave.

The only thing that gets the pulse going is that massive pulse at the end of the month. Wednesday, July 29th has an ENE swell that's forecast at 13ft in the morning, jumping to a massive 20ft in the afternoon. The wind swings light cross-off from the NNE at 16 mph, and it’s reported as clean. That energy reading is off the charts – 7407 and 14147. That’s a mountain of water, and the forecast specifically says it’s too big for this break. Only the hardcore, pro-level guys need apply. Period is 14 seconds.

Thursday the 30th of July is the closest thing to a real window we get. You’re looking at an 12ft swell in the morning from the ENE with a light breeze at 6 mph from the NNE, and it’s still clean cross-off. That’s a solid, scary wave for the brave. By the afternoon it drops to 8ft but gets a slight cross-chop from a gentle breeze. Then we’re back into the wind and mess from July 31st through August 2nd with 7ft to 5ft and lumpy cross-shore conditions. The energy drops out completely.

So, here’s the deal: There isn’t a single day in the next two weeks I’d recommend for the average surfer. If you’re an expert, maybe have a crack on the 30th of July, but you better be ready for a heavy session. Otherwise, keep the board in the car and save your energy.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 26°C on Sat morning, min 24°C on Sat night). Mainly strong winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 25°C on Tue morning, min 24°C on Wed night). Mainly strong winds.

Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
AM
PM
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
1
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)
2.3
ENE
7
2
ENE
8
2
ENE
8
1.6
E
8
1.6
ENE
8
1.6
ENE
8
0.8
S
16
0.8
S
16
0.9
S
15
0.9
S
14
0.9
S
14
0.9
S
13
0.6
S
24
0.6
SSW
23
0.7
SSW
22
2.2
ENE
7
2.3
ENE
7
2.4
ENE
7
2.2
ENE
7
2.4
ENE
7
2.5
ENE
8
Wave Graph
Metric surfscale
Energy kJ
503
450
472
341
314
295
329
321
343
329
307
277
404
426
480
412
461
517
457
637
816
Wind (km/h)
40
ENE
40
ENE
35
ENE
35
ENE
30
ENE
30
ENE
25
ENE
30
NE
25
ENE
25
ENE
30
ENE
35
ENE
35
ENE
35
ENE
35
ENE
40
ENE
40
ENE
40
ENE
35
ENE
40
ENE
35
ENE
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross-on
cross
cross
cross-on
cross
cross
cross-on
High Tide
6:10PM0.55m
7:46AM0.40m
6:42PM0.45m
8:59AM0.45m
7:13PM0.37m
10:08AM0.51m
7:46PM0.29m
11:08AM0.55m
8:50PM0.23m
11:59AM0.59m
10:38PM0.19m
12:42PM0.62m
11:56PM0.19m
Low Tide
11:55AM0.16m
1:26AM0.03m
1:10PM0.23m
1:58AM0.03m
2:57PM0.28m
2:33AM0.04m
5:25PM0.28m
3:12AM0.05m
7:38PM0.23m
3:57AM0.05m
8:24PM0.18m
8:50PM0.15m
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:58
5:58
6:00
6:00
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
7:14
7:14
7:14
7:13
7:13
7:13
 mm
Temp °C
26
25
24
25
25
25
24
25
25
25
25
25
25
25
25
25
25
25
25
25
25
Feels °C
22
21
21
22
22
23
22
23
24
24
23
23
22
22
22
22
21
21
22
22
21
  • 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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