Surf Forecasts:
Castles surf forecast from 14 Nov 2026:
- Best quality surf: Wednesday 25 Nov, 3AM (local time) - 4.5ft (1.4m), 9s period, SE swell with glassy winds.
- Most powerful swell: Wednesday 25 Nov, 9PM (local time) - 7ft (2.1m), 8s period, N swell with 593 kJ wave energy.
- Next surfable swell (1★+): Sunday 15 Nov, 9AM (local time) - 2.5ft (0.8m), 8s period with E swell.
Best Forecast Surf Conditions for Castles this week:
The surf forecast for Castles over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Nov 15) at 9AM. The primary swell is predicted to be 0.8m and 8s period with a secondary swell of 0.9m and 6s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Castles in the next 16 days are 2.1m 8s and forecast to arrive on Wednesday (Nov 25) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 8s period and expected on Wednesday (Nov 25) at 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Sun 15th Nov) | 2.5ft (0.8m) 8s |
| Best Surf | 3AM (Wed 25th Nov) | 4.5ft (1.4m) 9s |
| Most Powerful | 9PM (Wed 25th Nov) | 7ft (2.1m) 8s |
Table - best surf conditions forecast for Castles over the next 16 days.
Short Range ForecastHeavy rain (total 68mm), heaviest during Sat night. Warm (max 25°C on Sat afternoon, min 22°C on Mon night). Winds decreasing (fresh winds from the SSW on Sat night, calm by Mon night). | Days 5-7 Weather SummaryLight rain (total 4mm), mostly falling on Wed morning. Warm (max 24°C on Wed morning, min 18°C on Wed night). Winds increasing (calm on Tue night, fresh winds from the NNW by Wed night). | |||||||||||||||||||
Sat 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | ESE 10 | E 9 | E 8 | E 8 | ESE 8 | ESE 8 | E 9 | ESE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | N 7 | E 10 | E 10 | E 10 | E 11 | E 11 | E 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 133 | 109 | 78 | 76 | 65 | 81 | 57 | 147 | 108 | 96 | 96 | 98 | 104 | 124 | 94 | 94 | 74 | 88 | 85 | 57 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | on | cross | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:55PM1.80m | 10:58AM1.54m | 9:33PM1.70m | 11:45AM1.51m | 10:24PM1.60m | 12:39PM1.51m | 11:39PM1.51m | 1:35PM1.55m | 1:17AM1.49m | 2:27PM1.62m | 2:48AM1.54m | 3:14PM1.72m | ||||||||
Low Tide | 3:24PM1.07m | 4:09AM0.36m | 4:04PM1.11m | 4:50AM0.47m | 4:59PM1.12m | 5:40AM0.56m | 6:13PM1.08m | 6:42AM0.65m | 7:36PM0.97m | 7:51AM0.69m | 8:47PM0.79m | 8:57AM0.71m | 9:44PM0.56m | |||||||
 |  |  |  |  |  | | | | | |  |  |  | | |  | | |  | |
 | — | — | 6:46 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — |
 | 5:39 | — | — | 5:39 | — | — | 5:38 | — | — | 5:38 | — | — | 5:38 | — | — | 5:37 | — | — | 5:37 | — |
mm | — | 45 | 23 | — | — | — | — | — | — | — | — | 3 | 1 | — | — | — | — | — | — | 1 |
Temp °C | 25 | 25 | 23 | 24 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 23 | 22 | 18 | 19 | 20 | 18 | 19 | 19 |
Feels °C | 24 | 24 | 23 | 24 | 23 | 24 | 24 | 23 | 24 | 24 | 25 | 23 | 20 | 17 | 13 | 13 | 14 | 12 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | ESE 10 | E 9 | SSE 6 | E 8 | ESE 8 | ESE 8 | NNW 6 | ESE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 11 | E 11 | E 11 |
| kJ | 133 | 97 | 52 | 76 | 65 | 81 | 26 | 147 | 108 | 96 | 96 | 98 | 104 | 98 | 94 | 94 | 74 | 88 | 85 | 57 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | E 11 | E 8 | SSW 6 | SSW 5 | NNW 6 | E 9 | NW 6 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | NE 7 | — | — | ESE 9 | ESE 9 | ENE 5 | SE 8 | ESE 8 |
| kJ | 61 | 2 | 78 | 46 | 16 | 51 | 57 | 20 | 19 | 15 | 8 | 4 | 8 | — | — | 8 | 8 | 2 | 11 | 7 |
Swell 3 Height (m) Direction Period (s) | E 11 | E 11 | E 11 | SE 6 | E 10 | SSW 5 | ESE 7 | SW 5 | SE 10 | NE 8 | NE 8 | ENE 8 | N 8 | — | — | — | ESE 9 | SE 9 | NE 12 | — |
| kJ | 2 | 2 | 2 | 14 | 33 | 5 | 35 | 1 | 4 | 2 | 3 | 6 | 1 | — | — | — | 8 | 13 | 6 | — |
Wind waves Height (m) Direction Period (s) | SSE 5 | SSE 5 | WSW 6 | WNW 6 | NNW 6 | NE 4 | NE 4 | NE 4 | — | NE 4 | NE 2 | — | NNW 6 | N 7 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 8 |
| kJ | 28 | 109 | 77 | 50 | 61 | 5 | 2 | 1 | — | 1 | 1 | — | 7 | 124 | 139 | 212 | 268 | 197 | 270 | 287 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 588 | 596 | 0 | 688 | 29 | 0 | 23 | 16 | 0 | 0 | 16 | 16 | 737 | 731 | 714 | 714 | 731 | 697 | 797 | 0 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Castles Surf forecast
The above surf forecast table for Castles provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Castles can be found by selecting the local surf guide option on the grey menu. Our Castles surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Castles) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Castles may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Castles is 6 km (4 miles) from the city of Itoman. If you plan a holiday in Okinawa, look for hotels and other accommodation in Itoman. Itoman has rooms for a wide range of budgets as well as car hire and transport links.
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