Oku Surf Break

Lat Long: 26.85° N 128.29° E

Oku Surf Forecast and Surf Report

Issued: 2 pm 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Oku sea temperature is
28.2° C
0.5° 

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


Oku surf forecast from 21 Aug 2026:

  • Best quality surf: Tuesday 25 Aug, 6PM (local time) - 18ft (5.5m), 16s period, E swell with cross-onshore winds.
  • Most powerful swell: Tuesday 25 Aug, 6PM (local time) - 18ft (5.5m), 16s period, E swell with 15,012 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 25 Aug, 6PM (local time) - 18ft (5.5m), 16s period with E swell.

Best Forecast Surf Conditions for Oku this week:

The surf forecast for Oku over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 25) at 6PM. The primary swell is predicted to be 5.5m and 16s period. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Oku in the next 16 days are 5.5m 16s and forecast to arrive on Tuesday (Aug 25) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 18s period and expected on Tuesday (Aug 25) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Tue 25th Aug)18ft (5.5m) 16s
Best Surf 6PM (Tue 25th Aug)18ft (5.5m) 16s
Most Powerful 6PM (Tue 25th Aug)18ft (5.5m) 16s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Fri afternoon. Warm (max 28°C on Sat morning, min 27°C on Fri afternoon). Mainly strong winds.

Days 5-7 Weather Summary

Light rain (total 6mm), mostly falling on Tue afternoon. Warm (max 29°C on Tue night, min 27°C on Tue night). Mainly fresh winds.

Fri
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
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
7
3
2
3
2
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
ENE
8
0.3
ENE
8
0.2
E
14
0.3
ENE
9
0.9
SE
4
1.1
SE
5
1
ESE
5
0.9
ESE
5
0.9
E
5
1.2
E
6
1.3
ENE
6
4.5
E
17
5
E
16
4.5
ENE
14
4
NNW
11
3
NNW
10
2.5
NW
11
2.5
W
11
3
W
12
2.5
W
12
Wave Graph
Metric surfscale
Energy kJ
12
11
16
16
29
55
54
46
34
101
140
11839
12249
8216
4140
1602
1684
1704
2582
1825
Wind (km/h)
40
SSE
40
SE
40
SE
35
SE
30
SE
30
ESE
30
ESE
25
ESE
35
E
35
E
30
ENE
25
NNE
30
N
25
WNW
25
W
25
W
20
WSW
35
W
35
WNW
40
WNW
Wind State
cross-off
cross-off
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
00:28AM1.45m
4:48PM1.30m
2:15AM1.42m
5:30PM1.40m
3:45AM1.48m
5:57PM1.50m
4:43AM1.59m
6:22PM1.59m
5:28AM1.70m
6:46PM1.67m
6:07AM1.79m
7:09PM1.74m
Low Tide
5:55PM1.17m
8:47AM0.67m
8:47PM1.22m
10:07AM0.59m
10:29PM1.15m
11:00AM0.48m
11:16PM1.04m
11:39AM0.37m
11:50PM0.93m
12:12PM0.28m
00:21AM0.81m
12:43PM0.23m
00:51AM0.69m
thunderstorm
clear
clear
clear
thunderstorm
clear
clear
clear
thunderstorm
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
clear
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:01
6:01
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:59
6:58
6:57
6:55
6:54
6:53
6:52
 mm
3
2
2
3
2
1
1
1
Temp °C
27
27
28
28
28
28
28
28
28
28
28
28
28
29
28
28
28
28
28
28
Feels °C
25
25
26
28
29
29
29
29
28
28
29
30
29
30
29
28
30
28
28
28
  • 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 Oku Surf forecast

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

Oku is 38 km (24 miles) from the city of Okinawa. If you plan a holiday in Okinawa, look for hotels and other accommodation in Okinawa. Okinawa has rooms for a wide range of budgets as well as car hire and transport links.

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