- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Wednesday 13 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
24.1° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Castles today?
The current surf forecast for Castles at 3AM is: 0.8m 10s primary swell from a East-southeast direction and 0.6m 9s secondary swell from a East-northeast direction, 0.4m 3s secondary swell from a East-northeast direction (forecast issued at 08:00pm May 13). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 2.5ft (0.8m) | 10s |
| Afternoon (14 May) | 2.5ft (0.8m) | 10s |
| Evening (14 May) | 2.5ft (0.8m) | 9s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 23°C on Wed night, min 22°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Saturday 16 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ENE 9 | E 5 | E 5 | E 6 | E 6 | E 6 | E 6 | E 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 6 | |
157 | 136 | 163 | 128 | 125 | 125 | 123 | 120 | 115 | 115 | 88 | 132 | 69 | 92 | 123 | 170 | 194 | 233 | 303 | 167 | 236 | 168 | 141 | 139 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | |
High Tide | 4:26PM1.76m | 4:28AM1.88m | 5:23PM1.89m | 5:08AM2.00m | 6:15PM1.98m | 5:48AM2.10m | ||||||||||||||||||
Low Tide | 10:27PM0.63m | 10:59AM0.27m | 11:15PM0.64m | 11:45AM0.06m | 00:01AM0.66m | 12:30PM-0.10m | ||||||||||||||||||
 |  |  | |  | | | | | | | | | | | |  |  | | | | | | | |
 | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — |
 | 7:06 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | 7:07 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 23 |
24 | 24 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 23 | 21 | 20 | 19 | 18 | 20 | 19 | 19 | 18 | 18 | 19 | 19 | 18 | 20 | 20 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 11 | E 10 | E 10 | ESE 11 | ESE 7 | ENE 9 | ESE 8 | ESE 8 | ESE 10 |
 kJ | 157 | 136 | 163 | 128 | 125 | 125 | 123 | 120 | 115 | 115 | 88 | 90 | 69 | 66 | 71 | 13 | 49 | 52 | 12 | 77 | 34 | 54 | 68 | 98 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SSE 7 | SSE 7 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SSE 6 | SSE 6 | SE 12 | SE 12 | S 6 | SE 12 | SE 11 | SE 15 | ENE 9 | ESE 10 | ESE 10 | ESE 10 | SE 11 |
| kJ | 86 | 108 | 64 | 65 | 10 | 10 | 46 | 46 | 47 | 47 | 47 | 4 | 4 | 6 | 6 | 3 | 5 | 5 | 9 | 48 | 35 | 33 | 34 | 5 |
Swell 3 Height (m) Direction Period (s) | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | — | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SE 12 | SE 12 | S 6 | S 6 | SE 16 | S 6 | S 6 | S 6 | ESE 10 | ESE 11 | ENE 9 | ESE 11 | SE 14 |
| kJ | 11 | 11 | 11 | 11 | 10 | — | 9 | 9 | 9 | 9 | 4 | 6 | 6 | 3 | 3 | 10 | 1 | 1 | 1 | 33 | 12 | 33 | 12 | 8 |
Wind waves Height (m) Direction Period (s) | — | — | ENE 3 | ENE 3 | ENE 9 | ENE 9 | E 4 | E 4 | E 4 | E 4 | E 4 | ENE 9 | E 5 | E 5 | E 6 | E 6 | E 6 | E 6 | E 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 6 |
| kJ | — | — | 3 | 4 | 84 | 84 | 6 | 7 | 9 | 12 | 12 | 132 | 54 | 92 | 123 | 170 | 194 | 233 | 303 | 167 | 236 | 168 | 141 | 139 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 32 | 32 | 32 | 32 | 41 | 32 | 32 | 588 | 67 | 624 | 687 | 687 | 607 | 605 | 1309 | 1078 | 1019 | 687 | 29 | 29 | 29 | 29 | 687 | 29 |
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