- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Thursday 23 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
24.1° C
(Which is normal for this time of year)How big are the waves at Castles today?
The current surf forecast for Castles at 9AM is: 0.7m 10s primary swell from a East-northeast direction and 0.4m 13s secondary swell from a Southeast direction, 1.3m 5s secondary swell from a Southwest direction (forecast issued at 02:00am April 23). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 2.5ft (0.7m) | 10s |
| Afternoon (23 Apr) | 2.5ft (0.7m) | 10s |
| Evening (23 Apr) | 2ft (0.6m) | 10s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 19mm), heaviest on Thu morning. Warm (max 24°C on Thu morning, min 19°C on Sat afternoon). Winds decreasing (fresh winds from the SSW on Thu morning, calm by Sat night). | ||||||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 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 |    |    |    | |||||||||||||||||||||
ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | ENE 10 | N 8 | N 8 | ENE 10 | ENE 10 | N 8 | N 8 | ENE 10 | N 8 | N 8 | |
136 | 136 | 104 | 104 | 106 | 106 | 80 | 80 | 83 | 83 | 60 | 60 | 53 | 52 | 33 | 28 | 84 | 31 | 31 | 64 | 46 | 18 | 31 | 29 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | |
High Tide | 11:37PM1.50m | 10:13AM1.73m | 1:07AM1.42m | 11:27AM1.58m | 2:38AM1.44m | 1:24PM1.50m | ||||||||||||||||||
Low Tide | 4:34AM1.06m | 5:44PM0.32m | 5:51AM1.13m | 7:07PM0.46m | 7:45AM1.10m | 8:36PM0.52m | ||||||||||||||||||
 | |  |  |  |  | | |  |  |  | | | |  | | |  | | | | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:57 | — |
— | — | — | 1 | 8 | 4 | 1 | — | 1 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 22 | 21 | 21 | 21 | 21 | 22 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 |
22 | 22 | 21 | 23 | 23 | 23 | 24 | 25 | 24 | 21 | 21 | 21 | 20 | 21 | 20 | 20 | 18 | 18 | 18 | 19 | 19 | 18 | 18 | 19 | |
Swell 1 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | WSW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SSW 7 | SSW 7 | SSW 7 | SW 7 | SSW 7 | SW 7 | SW 7 | SSW 7 | SSW 7 | N 8 | N 8 | S 6 | N 8 | N 8 |
 kJ | 136 | 136 | 104 | 104 | 106 | 176 | 162 | 144 | 136 | 126 | 116 | 96 | 88 | 67 | 79 | 36 | 46 | 50 | 38 | 64 | 46 | 10 | 31 | 29 |
Swell 2 Height (m) Direction Period (s) | NNW 7 | SE 13 | SE 13 | SE 13 | SE 13 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | WNW 7 | ENE 10 | E 10 | SSE 6 | ENE 10 | SSE 6 | ENE 10 | N 8 | ENE 10 | SSW 6 | S 6 | ENE 10 | SSW 6 | S 5 |
| kJ | 9 | 44 | 44 | 44 | 44 | 106 | 80 | 80 | 83 | 83 | 44 | 60 | 53 | 18 | 33 | 17 | 32 | 22 | 31 | 31 | 19 | 18 | 10 | 5 |
Swell 3 Height (m) Direction Period (s) | SE 13 | NNW 7 | NNW 7 | N 6 | N 7 | SE 13 | SE 13 | SE 13 | SE 13 | ESE 13 | ENE 10 | NW 6 | W 7 | E 10 | N 8 | N 8 | SE 5 | ENE 10 | ESE 12 | ENE 9 | ENE 9 | ESE 12 | ENE 10 | ENE 10 |
| kJ | 44 | 9 | 4 | 3 | 1 | 43 | 43 | 43 | 42 | 16 | 60 | 19 | 14 | 52 | 29 | 28 | 7 | 31 | 14 | 29 | 17 | 14 | 18 | 18 |
Wind waves Height (m) Direction Period (s) | SSW 4 | SW 4 | SW 5 | SW 5 | SW 6 | — | — | — | — | NW 5 | NW 8 | NNW 5 | NNW 6 | NNW 6 | NNW 6 | NNE 3 | N 8 | NNW 5 | NNW 8 | — | — | NNW 8 | — | — |
| kJ | 22 | 29 | 53 | 86 | 155 | — | — | — | — | 10 | 45 | 8 | 34 | 25 | 24 | 3 | 84 | 23 | 70 | — | — | 47 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 94 | 596 | 596 | 94 | 596 | 16 | 48 | 0 | 0 | 5 | 0 | 5 | 0 | 0 | 5 | 772 | 772 | 50 | 29 | 0 | 0 | 50 | 23 | 0 |
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