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Surf Forecasts:
Oku surfForecast / Okinawa / Japan
16 Day Weather and Surf, issued 8 am Saturday 21 Mar 2026 JSTForecast 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
21.3° C
(Which is 1.0°C colder than average for this time of year)Best Forecast Surf Conditions for Oku this week:
The most powerful waves expected at Oku in the next 16 days are 0.7m 13s and forecast to arrive on Saturday (Mar 21) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Wednesday (Mar 25) at 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 3PM (Sat 21st Mar) | 2.5ft (0.7m) 13s |
Table - best surf conditions forecast for Oku over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Moderate rain (total 13mm), heaviest on Sat night. Warm (max 22°C on Sun afternoon, min 17°C on Sat afternoon). Mainly fresh winds. | Days 3-6 Weather Summary Light rain (total 5mm), mostly falling on Wed morning. Warm (max 21°C on Wed morning, min 18°C on Thu afternoon). Mainly fresh winds. | ||||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 12 | 12 | 6 | 6 | 6 | 8 | 8 | 8 | 4 | 9 | 6 | 7 | 7 | 9 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 154 | 151 | 140 | 81 | 115 | 69 | 65 | 40 | 37 | 41 | 28 | 15 | 21 | 35 | 30 | 26 | 74 | 76 | 73 | 42 | 58 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- off | off | off | cross | cross- on | cross- on | on | cross- on | cross | off | cross | cross- on | cross- on | cross- on | on | cross | cross- off | cross- off |
High Tide / height (m) | 8:48PM 1.90 | 8:36AM 1.93 | 9:34PM 1.78 | 9:07AM 1.87 | 10:26PM 1.63 | 9:42AM 1.79 | 11:33PM 1.46 | 10:24AM 1.67 | 1:17AM 1.36 | 11:28AM 1.54 | 3:29AM 1.39 | 1:30PM 1.46 | |||||||||
Low Tide / height (m) | 2:26PM 0.15 | 2:39AM 0.55 | 3:05PM 0.14 | 3:12AM 0.71 | 3:49PM 0.19 | 3:48AM 0.88 | 4:42PM 0.30 | 4:29AM 1.04 | 5:51PM 0.43 | 5:35AM 1.18 | 7:31PM 0.51 | 8:14AM 1.22 | 9:16PM 0.50 | ||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||
| Sunrise | 6:30 | - | - | 6:28 | - | - | 6:28 | - | - | 6:26 | - | - | 6:26 | - | - | 6:24 | - | - | 6:24 | - | - |
| Sunset | - | 6:37 | - | - | 6:37 | - | - | 6:38 | - | - | 6:38 | - | - | 6:39 | - | - | 6:39 | - | - | 6:40 | - |
 |  |  |  | | | | |  |  | | | | | | |  | | |  | | |
Rain (mm) | - | 2 | 7 | 1 | - | 1 | 2 | - | - | - | - | - | 4 | 1 | - | - | - | - | - | 7 | 2 |
| Temp. °C | 19 | 18 | 20 | 21 | 22 | 20 | 20 | 20 | 20 | 19 | 19 | 20 | 21 | 20 | 20 | 19 | 18 | 19 | 19 | 18 | 20 |
| Feels °C (?) | 16 | 15 | 19 | 20 | 21 | 20 | 20 | 18 | 18 | 18 | 18 | 20 | 19 | 17 | 18 | 17 | 13 | 16 | 17 | 16 | 21 |
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Oku surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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