- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Saturday 23 May 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
24.3° C
(Which is 1.4°C colder than average for this time of year)How big are the waves at Castles today?
The current surf forecast for Castles at 8AM is: 0.8m 9s primary swell from a East-southeast direction and 0.1m 6s secondary swell from a North direction (forecast issued at 02:00am May 23). An open ocean swell of 1.6m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 2.5ft (0.8m) | 9s |
| Afternoon (23 May) | 2.5ft (0.8m) | 9s |
| Evening (23 May) | 3ft (0.9m) | 9s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 34mm), heaviest during Sat morning. Warm (max 27°C on Sat night, min 24°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | ||||||||||||||||||||||
12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | |
144 | 144 | 144 | 115 | 115 | 113 | 121 | 121 | 113 | 115 | 126 | 129 | 126 | 124 | 121 | 119 | 119 | 119 | 96 | 96 | 100 | 105 | 107 | 109 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross-off | cross | cross-off | cross-off | cross-on | cross | cross | cross-off | cross-off | glassy | off | cross-off | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on | |
High Tide | 00:33AM1.61m | 11:37AM1.65m | 1:37AM1.60m | 1:14PM1.56m | 2:33AM1.63m | 2:49PM1.56m | ||||||||||||||||||
Low Tide | 5:55AM1.06m | 6:37PM0.55m | 7:21AM0.99m | 7:48PM0.68m | 8:41AM0.85m | 8:55PM0.78m | ||||||||||||||||||
 | |  | |  | |  |  |  | | | | |  | |  | |  |  | | | |  | | |
 | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:13 | — |
1 | 1 | 2 | 2 | 8 | 2 | 2 | 2 | — | — | 2 | 1 | 2 | 4 | 2 | 1 | 1 | — | — | 1 | 2 | 1 | — | 1 | |
Temp °C | 26 | 26 | 26 | 26 | 24 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 26 | 25 |
26 | 27 | 26 | 26 | 25 | 27 | 26 | 26 | 27 | 28 | 29 | 29 | 28 | 29 | 27 | 27 | 27 | 26 | 29 | 30 | 30 | 30 | 30 | 28 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | WSW 6 | WSW 6 | WSW 5 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 9 | WSW 6 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 144 | 144 | 144 | 115 | 90 | 43 | 46 | 121 | 113 | 115 | 126 | 129 | 126 | 47 | 121 | 119 | 119 | 119 | 96 | 96 | 100 | 105 | 107 | 109 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 9 | — | N 6 | ESE 9 | ESE 9 | ESE 9 | NNW 7 | NNW 7 | WNW 6 | WNW 6 | WNW 7 | W 6 | ESE 9 | SW 6 | SW 6 | WSW 5 | SW 6 | SW 6 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 |
| kJ | 2 | 2 | — | 1 | 115 | 113 | 121 | 5 | 5 | 12 | 11 | 15 | 12 | 124 | 38 | 20 | 19 | 18 | 19 | 48 | 79 | 77 | 76 | 94 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | N 8 | SSE 4 | SSE 4 | — | N 8 | NNW 7 | NNW 7 | NNW 7 | N 7 | W 7 | W 7 | W 7 | NE 10 | NE 10 | NE 10 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 |
| kJ | — | — | — | — | 1 | 6 | 3 | — | 1 | 5 | 4 | 4 | 1 | 14 | 28 | 27 | 35 | 47 | 46 | 19 | 18 | 18 | 12 | 13 |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 5 | SW 5 | WSW 6 | — | — | — | WSW 6 | WSW 6 | SW 5 | SW 6 | WSW 6 | SW 6 | N 6 | — | — | — | — | — | — | — | — | — | — |
| kJ | 53 | 58 | 74 | 151 | — | — | — | 53 | 55 | 34 | 35 | 46 | 47 | 1 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 588 | 94 | 48 | 48 | 16 | 48 | 48 | 16 | 16 | 16 | 16 | 16 | 16 | 0 | 0 | 0 | 48 | 48 | 48 | 48 | 16 | 16 | 48 | 92 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
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.
Nearest