- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 pm Saturday 16 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
24.4° C
(Which is 1.1°C colder than average for this time of year)How big are the waves at Castles today?
The current surf forecast for Castles at 7PM is: 2.2m 8s primary swell from a East direction and 0.1m 14s secondary swell from a Southeast direction, 0.1m 7s secondary swell from a North direction (forecast issued at 02:00pm May 16). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | - | - |
| Afternoon (16 May) | 7ft (2.2m) | 8s |
| Evening (16 May) | 7.5ft (2.3m) | 8s |
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 Sat afternoon, min 22°C on Sat afternoon). Winds decreasing (fresh winds from the ENE on Sat night, light winds from the NW by Tue morning). | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | |
504 | 597 | 628 | 686 | 699 | 670 | 625 | 626 | 616 | 601 | 542 | 597 | 596 | 610 | 555 | 567 | 567 | 553 | 499 | 488 | 499 | 524 | 503 | 515 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | 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 | cross | cross | cross-off | |
High Tide | 7:05PM2.02m | 6:28AM2.16m | 7:54PM2.01m | 7:09AM2.18m | 8:43PM1.95m | 7:51AM2.14m | ||||||||||||||||||
Low Tide | 12:30PM-0.10m | 00:44AM0.71m | 1:16PM-0.18m | 1:27AM0.78m | 2:02PM-0.19m | 2:10AM0.85m | ||||||||||||||||||
 | |  |  | | | | | | | |  | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — |
 | — | — | 7:07 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | 7:09 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 23 |
18 | 20 | 18 | 18 | 18 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 19 | 19 | 18 | 21 | 20 | 20 | 21 | 23 | 22 | 23 | 25 | |
Swell 1 Height (m) Direction Period (s) | ESE 11 | SE 14 | SE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | SE 13 | ESE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | E 8 | E 8 | E 9 | E 9 | E 9 |
 kJ | 12 | 8 | 8 | 19 | 18 | 18 | 18 | 18 | 7 | 16 | 7 | 24 | 24 | 23 | 6 | 6 | 6 | 6 | 6 | 488 | 499 | 524 | 503 | 515 |
Swell 2 Height (m) Direction Period (s) | SE 15 | SE 10 | N 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | SE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | — | — | — | — |
| kJ | 504 | 597 | 628 | 686 | 699 | 670 | 625 | 626 | 616 | 601 | 542 | 597 | 596 | 610 | 555 | 567 | 567 | 553 | 499 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 687 | 687 | 687 | 687 | 687 | 29 | 29 | 687 | 1080 | 29 | 29 | 29 | 687 | 29 | 29 | 29 | 29 | 29 | 29 | 32 | 32 | 32 | 32 | 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