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Surf Forecasts:
Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 am Thursday 11 Dec 2025 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
25.1° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Castles today?
The current surf forecast for Castles at 4PM is: 1.1m 7s primary swell from a East-southeast direction and 0.7m 9s secondary swell from a East-southeast direction, 0.4m 3s secondary swell from a Southwest direction (forecast issued at 08:00am December 11). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 4.5ft (1.4m) | 8s |
| Afternoon (11 Dec) | 4ft (1.2m) | 7s |
| Evening (11 Dec) | 4ft (1.2m) | 9s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 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) (?) | 8 | 8 | 8 | 7 | 7 | 9 | 9 | 10 | 10 | 6 | 7 | 7 | 8 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 8 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 250 | 231 | 215 | 157 | 106 | 208 | 184 | 200 | 169 | 216 | 290 | 463 | 545 | 408 | 228 | 307 | 196 | 168 | 138 | 98 | 79 | 92 | 103 | 189 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | off | off | off | off | off | cross- off | cross- off |
High Tide / height (m) | 12:21PM 1.58 | 11:51PM 1.51 | 1:12PM 1.55 | 1:17AM 1.41 | 2:01PM 1.56 | 2:46AM 1.37 | ||||||||||||||||||
Low Tide / height (m) | 5:31AM 0.38 | 6:05PM 0.87 | 6:26AM 0.56 | 7:19PM 0.81 | 7:25AM 0.72 | 8:32PM 0.71 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - |
| Sunset | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:38 | - | - | - | - |
 |  | |  |  | |  | | |  | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | 2 | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 24 | 23 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 20 | 20 | 20 |
| Feels °C (?) | 22 | 21 | 22 | 21 | 20 | 17 | 18 | 17 | 16 | 16 | 16 | 17 | 17 | 18 | 20 | 21 | 21 | 22 | 20 | 19 | 17 | 15 | 15 | 13 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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