Oku surfForecast / Okinawa / Japan

information circle12 Day Weather and Surf, issued 2 am Saturday 20 Dec 2025 JST
Forecast update in hr  min  s Forecast update imminent
Oku surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Oku sea temperature is
23.8° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Oku this week:

The surf forecast for Oku over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Dec 24) at 3AM. The primary swell is predicted to be 1.6m and 10s period with a secondary swell of 0.3m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Oku in the next 12 days are 3.5m 10s and forecast to arrive on Monday (Dec 22) at 3AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 7s period and expected on Saturday (Dec 20) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Wed 24th Dec)5ft (1.6m) 10s
Best Surf 3AM (Wed 24th Dec)5ft (1.6m) 10s
Most Powerful 3AM (Mon 22nd Dec)11ft (3.5m) 10s

Table - best surf conditions forecast for Oku over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 19mm), heaviest on Sat afternoon. Warm (max 22°C on Sat night, min 17°C on Sun night). Winds increasing (calm on Sat night, strong winds from the N by Sun afternoon).

Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Tue night. Warm (max 21°C on Tue morning, min 17°C on Thu morning). Winds increasing (calm on Tue night, strong winds from the NNE by Thu afternoon).

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
NE
0.2
ENE
0.2
ENE
0.2
ENE
1.6
N
3.5
NNW
2.1
N
2.4
N
1.7
E
1.9
E
1.8
E
1.6
E
1.4
E
1.2
E
1.5
E
1.5
E
2.4
NNW
3
N
3
N
2.5
N
2.2
N
Period(s) (?)15141313691091099101010101089998
Wave
Graph
(?)Metric surfscale
Energy kJ (?)542117161631820878915529588526453384279486461713123312751075659
Wind
(km/h)
15
S
15
S
5
SSW
15
WNW
35
N
40
N
25
NNE
30
NNE
35
E
35
E
20
E
10
SE
20
NNW
25
N
20
N
35
N
45
N
40
NNE
35
NNE
30
NNE
30
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
glasscross-
off
cross-
on
cross-
on
ononcross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
ononon
High Tide
/ height (m)
6:38PM
1.79
8:14AM
1.68
7:13PM
1.80
8:48AM
1.67
7:48PM
1.80
9:23AM
1.66
8:25PM
1.76
9:58AM
1.65
9:05PM
1.70
10:35AM
1.64
9:51PM
1.62
11:15AM
1.63
10:48PM
1.52
Low Tide
/ height (m)
1:00PM
0.94
1:30AM
0.14
1:33PM
0.93
2:04AM
0.14
2:08PM
0.92
2:39AM
0.17
2:44PM
0.92
3:14AM
0.22
3:24PM
0.91
3:50AM
0.30
4:11PM
0.89
4:30AM
0.40
5:06PM
0.86
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Sunrise7:09--7:09--7:11--7:11--7:11--7:11--7:13--
Sunset-5:37--5:37--5:37--5:38--5:38--5:39--5:39-
light rain
mod rain
light rain
light rain
light rain
cloud
cloud
part cloud
rain showers
part cloud
part cloud
rain showers
clear
cloud
part cloud
cloud
light rain
light rain
cloud
cloud
part cloud
Rain (mm)
36432---1--1----21---
Temp. °C202122222218181921212121212120181717171717
Feels °C (?)202223221711131418171820191816139891011
  • 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 12 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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