Dune Circle Surf Break

Lat Long: 21.41° N 157.74° W

Dune Circle Surf Forecast and Surf Report

Issued: 1 am 05 Aug 2026 (local time)

Forecast update in  hr  min

Today's Dune Circle sea temperature is
26.8° C
0.3° 

Dune Circle surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Dune Circle surf forecast from 5 Aug 2026:

  • Most powerful swell: Sunday 9 Aug, 11PM (local time) - 7ft (2.1m), 7s period, ENE swell with 397 kJ wave energy.

Best Forecast Surf Conditions for Dune Circle this week:

The most powerful waves expected at Dune Circle in the next 16 days are 2.1m 7s and forecast to arrive on Sunday (Aug 09) at 11PM. 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 14s period and expected on Tuesday (Aug 11) at 11PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11PM (Sun 9th Aug)7ft (2.1m) 7s

Table - best surf conditions forecast for Dune Circle over the next 16 days.


Short Range Forecast

Light rain (total 2mm), mostly falling on Thu morning. Warm (max 25°C on Wed morning, min 24°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 4mm), mostly falling on Sun afternoon. Warm (max 26°C on Mon afternoon, min 25°C on Sat morning). Mainly fresh winds.

Wednesday
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
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
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)
1.3
ENE
10
1.1
ENE
9
1.3
ENE
9
1.3
ENE
6
1
ENE
6
1.1
ENE
8
0.9
ENE
5
1.1
ENE
5
1.4
ENE
6
1.4
ENE
6
1.5
ENE
7
1.9
ENE
7
1.9
ENE
7
1.9
ENE
7
1.9
ENE
7
1.6
ENE
7
1.6
ENE
7
1.7
ENE
7
1.5
ENE
7
1.6
ENE
7
1.6
ENE
7
Wave Graph
Metric surfscale
Energy kJ
312
203
238
104
69
128
50
66
131
165
181
326
366
376
362
284
261
293
215
219
219
Wind (km/h)
15
ENE
20
NE
20
ENE
15
ENE
20
ENE
20
ENE
20
ENE
20
ENE
25
E
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
25
ENE
25
ENE
20
ENE
25
E
25
ENE
25
ENE
25
E
Wind State
cross-on
on
cross-on
cross-on
on
on
on
on
cross-on
on
on
cross-on
on
on
cross-on
cross-on
on
cross-on
on
cross-on
cross-on
High Tide
8:35AM0.61m
5:05PM0.58m
10:38AM0.68m
11:52AM0.77m
12:41PM0.84m
9:57PM0.40m
1:22PM0.90m
11:49PM0.42m
1:59PM0.94m
00:53AM0.47m
2:32PM0.94m
1:46AM0.51m
Low Tide
1:20PM0.54m
1:33AM0.15m
2:46AM0.13m
4:07AM0.10m
8:55PM0.40m
5:18AM0.06m
8:36PM0.37m
6:16AM0.03m
8:52PM0.34m
7:06AM0.01m
9:13PM0.30m
part cloud
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
rain showers
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:05
6:05
6:07
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:07
7:06
7:06
7:05
7:04
7:04
 mm
2
2
2
Temp °C
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
26
25
26
26
25
Feels °C
26
25
26
27
25
25
24
24
25
24
23
23
24
24
24
25
27
25
26
26
24
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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Information about the Dune Circle Surf forecast

The above surf forecast table for Dune Circle provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Dune Circle can be found by selecting the local surf guide option on the grey menu. Our Dune Circle 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 (Dune Circle) 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 Dune Circle 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.

Dune Circle is 1 km (1 miles) from 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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