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Mainside surf Forecast / Okinawa / Japan
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
How big are the waves at Mainside today?
The current surf forecast for Mainside at 4AM is: 0.4m 13s primary swell from a East-northeast direction and 0.3m 6s secondary swell from a North-northeast direction (forecast issued at 02:00am April 20). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 1ft (0.3m) | 12s |
| Afternoon (20 Apr) | 1ft (0.3m) | 12s |
| Evening (20 Apr) | 1ft (0.3m) | 12s |
Table - waves today at Mainside. (Swell directed towards the surf break)
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |    |    |    |    |    |    |    |    | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 5 | 5 | 4 | 11 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 4 | 5 | 6 | 4 | 4 | 6 | 6 | 5 | 5 | 5 | 5 | 6 | 10 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 5 | 5 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 8 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 58 | 57 | 55 | 30 | 28 | 28 | 27 | 26 | 12 | 12 | 12 | 14 | 15 | 13 | 11 | 30 | 31 | 44 | 38 | 39 | 40 | 39 | 32 | 4 | 16 | 21 | 13 | 16 | 3 | 16 | 1 | 3 | 1 | 13 | 16 | 0 | 0 | 0 | 8 | 7 | 4 | 13 | 14 | 14 | 18 | 15 | 9 | 5 | 17 | 5 | 5 | 6 | 5 | 5 | 2 | 2 | 2 | 7 | 19 | 51 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross- off | cross | cross- off | cross | cross | cross | cross- on | cross- on | cross | cross- off | cross | cross- off | cross | cross | cross- on | cross- on | on | cross- on | cross- on | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross | cross- on | cross- on | on | cross- on | cross- on | cross- on | on | on | glass | glass |
High Tide / height (m) | 5:44AM 1.68 | 5:46PM 1.57 | 6:06AM 1.74 | 6:19PM 1.66 | 6:25AM 1.80 | 6:49PM 1.74 | 6:45AM 1.85 | 7:18PM 1.79 | 7:05AM 1.89 | 7:48PM 1.83 | 7:27AM 1.92 | 8:21PM 1.83 | 7:52AM 1.94 | 8:57PM 1.79 | 8:21AM 1.93 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 11:19PM 0.52 | 11:56AM 0.63 | 11:52PM 0.50 | 12:21PM 0.49 | 12:20AM 0.50 | 12:43PM 0.37 | 12:46AM 0.52 | 1:06PM 0.26 | 1:10AM 0.55 | 1:31PM 0.16 | 1:35AM 0.59 | 1:58PM 0.09 | 2:02AM 0.65 | 2:29PM 0.05 | 2:31AM 0.74 | |||||||||||||||||||||||||||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | 6:00 | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - |
| Sunset | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:55 | - | - | - | - | - | - | - | 6:55 | - | - | - | - | - | - | - | 6:57 | - | - | - | - | - | - | - | 6:57 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - |
 | | |  |  | |  | | | | | | | | | | | |  | | |  | | | |  | | | | | | | | |  | | | | |  | | | | | |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 3 | - | - | 2 | 2 | - | 2 | 3 | 2 | 1 | 1 | - | - | - | - | - | - | 3 | - | - | - | - | - | 1 | - | - | 2 | 3 | 17 | 9 | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 21 | 21 | 22 | 23 | 23 | 24 | 23 | 23 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 25 | 24 | 24 | 24 | 25 | 26 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 26 | 25 | 24 | 23 | 22 | 22 | 22 | 22 | 21 | 20 | 20 | 21 | 21 | 21 | 22 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 |
| Feels °C (?) | 20 | 19 | 19 | 20 | 21 | 22 | 24 | 23 | 23 | 25 | 26 | 25 | 25 | 25 | 26 | 26 | 27 | 26 | 26 | 25 | 26 | 26 | 27 | 28 | 26 | 26 | 26 | 27 | 25 | 24 | 26 | 26 | 26 | 25 | 23 | 23 | 23 | 21 | 20 | 20 | 21 | 22 | 22 | 22 | 24 | 24 | 24 | 23 | 24 | 22 | 23 | 23 | 25 | 25 | 25 | 25 | 25 | 25 | 27 | 27 |
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 Mainside 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.
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