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Surf Forecasts:
Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Wednesday 06 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 1.0°C colder than average for this time of year)How big are the waves at Castles today?
The current surf forecast for Castles at 4AM is: 1.2m 9s primary swell from a East direction and 0.1m 6s secondary swell from a North direction (forecast issued at 08:00pm May 06). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | 4ft (1.2m) | 9s |
| Afternoon (07 May) | 4ft (1.2m) | 9s |
| Evening (07 May) | 4ft (1.2m) | 9s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Fri afternoon. Warm (max 25°C on Fri afternoon, min 16°C on Sat afternoon). Winds increasing (light winds from the ESE on Thu afternoon, strong winds from the NE by Fri night). | ||||||||||||||||||||||||
Wed 6 | Thursday 7 | Friday 8 | Saturday 9 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | NE 6 | NE 6 | NE 7 | |
240 | 246 | 246 | 246 | 240 | 240 | 235 | 248 | 243 | 243 | 243 | 206 | 206 | 218 | 222 | 227 | 227 | 227 | 227 | 201 | 218 | 245 | 278 | 278 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross-on | cross | cross | cross-on | on | on | cross-on | cross-on | cross-on | on | on | cross-on | cross-off | off | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 10:19PM1.54m | 9:01AM1.78m | 11:04PM1.48m | 9:41AM1.69m | 00:00AM1.45m | 10:38AM1.59m | ||||||||||||||||||
Low Tide | 3:38PM0.25m | 3:25AM1.04m | 4:16PM0.35m | 4:06AM1.09m | 5:03PM0.46m | 5:07AM1.12m | ||||||||||||||||||
 |  |  | |  | | | | | | | | | |  |  |  |  | |  | | | | | |
 | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — | — | — |
 | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | 7:04 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 | — | — | 1 | 1 | — | 1 | 3 | |
Temp °C | 21 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 22 | 23 | 23 | 24 | 25 | 23 | 20 | 20 | 20 | 19 | 18 | 17 | 16 |
22 | 22 | 22 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 26 | 28 | 24 | 15 | 16 | 16 | 14 | 12 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | ESE 9 | 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 10 | ESE 10 | ESE 10 |
 kJ | 240 | 246 | 246 | 246 | 240 | 240 | 235 | 248 | 243 | 243 | 243 | 206 | 206 | 218 | 222 | 227 | 227 | 227 | 227 | 201 | 218 | 214 | 255 | 223 |
Swell 2 Height (m) Direction Period (s) | NNW 6 | NNW 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 5 | NE 6 | NE 5 | NE 5 | NE 7 | NE 7 | — | — | NNW 7 | NW 8 | NNW 8 | NNW 7 | NNW 7 |
| kJ | 4 | 4 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | — | — | 77 | 88 | 74 | 48 | 47 |
Swell 3 Height (m) Direction Period (s) | NE 6 | — | — | — | — | — | — | — | — | — | — | N 5 | N 5 | NE 8 | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | N 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNE 4 | NNE 5 | NE 6 | NE 6 | NE 6 | NE 6 | NE 7 |
| kJ | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 14 | 116 | 101 | 133 | 245 | 278 | 278 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 687 | 65 | 65 | 94 | 50 | 16 | 92 | 16 | 16 | 16 | 50 | 48 | 65 | 106 | 94 | 0 | 0 | 697 | 688 | 688 | 687 | 687 | 688 | 1029 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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