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Surf Forecasts:
Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 am Sunday 05 Apr 2026 JSTForecast update in hr min s Forecast update imminent
Castles surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castles sea temperature is
22.8° C
(Which is slightly cooler than normal)How big are the waves at Castles today?
The current surf forecast for Castles at 1PM is: 0.8m 7s primary swell from a East direction and 0.5m 3s secondary swell from a East direction (forecast issued at 08:00am April 05). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Apr) | 2.5ft (0.8m) | 7s |
| Afternoon (05 Apr) | 3ft (0.9m) | 7s |
| Evening (05 Apr) | 3ft (0.9m) | 9s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 05 | Monday 06 | Tuesday 07 | Wed 08 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 5 | 6 | 10 | 6 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 64 | 64 | 64 | 82 | 89 | 126 | 129 | 104 | 102 | 102 | 102 | 102 | 103 | 102 | 104 | 133 | 184 | 87 | 89 | 83 | 83 | 83 | 81 | 81 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- on | on | cross- on | cross | cross- on | cross- on | glass | cross- on | on | cross- on | cross- on | cross | cross- on | cross | cross- on | cross | cross | cross- off | cross | cross | cross | cross | cross |
High Tide / height (m) | 8:17AM 1.90 | 9:19PM 1.66 | 8:39AM 1.85 | 9:53PM 1.53 | 9:01AM 1.78 | 10:31PM 1.41 | ||||||||||||||||||
Low Tide / height (m) | 2:56PM 0.08 | 2:52AM 0.71 | 3:28PM 0.17 | 3:15AM 0.83 | 4:02PM 0.27 | |||||||||||||||||||
Sunday 05 | Monday 06 | Tuesday 07 | Wed 08 | |||||||||||||||||||||
| Sunrise | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:47 | - | - | - | - | - | - | - | 6:47 | - | - | - |
 |  |  |  | |  | | | | | |  |  |  |  |  | |  | | | |  | | | |
Rain (mm) | 8 | 23 | 1 | - | - | - | - | - | - | - | 1 | - | 1 | 1 | 1 | - | - | - | 27 | 2 | - | - | - | - |
| Temp. °C | 18 | 19 | 20 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 22 | 23 | 23 | 22 | 23 | 23 | 23 | 23 | 21 | 20 | 20 | 20 | 20 | 20 |
| Feels °C (?) | 16 | 19 | 21 | 22 | 22 | 21 | 22 | 22 | 21 | 23 | 22 | 23 | 23 | 23 | 23 | 21 | 20 | 20 | 21 | 16 | 17 | 16 | 16 | 16 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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 Castles 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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