Surf Forecasts:
How big are the waves at Castles today (23 Aug):
- Afternoon surf: Afternoon surf (23 Aug, local time) - 2.5ft (0.8m), 7s period with SSE swell.
- Evening surf: Evening surf (23 Aug, local time) - 1.5ft (0.5m), 12s period with ESE swell.
The current surf forecast for Castles at 9PM is: 0.5m 12s primary swell from a East-southeast direction and 0.5m 7s secondary swell from a South direction, 0.8m 4s secondary swell from a East-southeast direction (forecast issued at 02:00pm August 23). An open ocean swell of 1.3m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | - | - |
| Afternoon (23 Aug) | 2.5ft (0.8m) | 7s |
| Evening (23 Aug) | 1.5ft (0.5m) | 12s |
Table - waves today at Castles. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Tue night. Warm (max 29°C on Tue morning, min 27°C on Sun night). Winds increasing (light winds from the ESE on Sun afternoon, gales from the NW by Tue night). | ||||||||||||||||||||
Sun 23 | Monday 24 | Tuesday 25 | ||||||||||||||||||
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 |  |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SSE 7 | SSE 7 | SE 7 | ESE 12 | ESE 14 | ESE 13 | ESE 16 | ESE 16 | ESE 15 | ESE 17 | ESE 17 | ESE 17 | ESE 17 | E 17 | E 17 | E 17 | E 16 | E 16 | E 16 | ENE 15 |
Wave Graph  | ||||||||||||||||||||
 kJ | 62 | 70 | 91 | 89 | 115 | 156 | 146 | 277 | 845 | 2113 | 3127 | 4012 | 5441 | 7893 | 11062 | 13147 | 12554 | 14851 | 16630 | 13366 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 5:34PM1.58m | 3:15AM1.74m | 5:58PM1.69m | 4:26AM1.83m | 6:20PM1.81m | |||||||||||||||
Low Tide | 9:50AM0.74m | 9:50PM1.41m | 10:46AM0.63m | 10:55PM1.28m | 11:29AM0.51m | |||||||||||||||
 | | |  |  | | |  | | | | |  | | | | | |  | | |
 | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — |
 | — | — | 6:58 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:55 | — |
mm | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 28 |
Feels °C | 29 | 29 | 31 | 30 | 31 | 29 | 29 | 30 | 30 | 29 | 30 | 31 | 29 | 30 | 30 | 29 | 31 | 30 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 10 | ESE 15 | ESE 17 | ESE 17 | ESE 17 | ESE 17 | E 17 | E 17 | E 17 | E 16 | E 16 | E 16 | ENE 15 |
| kJ | 602 | 499 | 399 | 307 | 266 | 225 | 190 | 200 | 845 | 2113 | 3127 | 4012 | 5441 | 7893 | 11062 | 13147 | 12554 | 14851 | 16630 | 13366 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | ENE 9 | ESE 13 | S 7 | ESE 14 | ESE 13 | ESE 13 | ESE 16 | SW 9 | SW 9 | SW 9 | E 7 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 |
| kJ | 27 | 26 | 59 | 26 | 115 | 156 | 135 | 277 | 212 | 162 | 135 | 113 | 112 | 112 | 95 | 93 | 88 | 93 | 76 | 73 |
Swell 3 Height (m) Direction Period (s) | ESE 14 | ESE 13 | SE 9 | ESE 12 | S 7 | ENE 10 | ESE 16 | ESE 13 | SE 8 | S 7 | — | SW 9 | — | ENE 10 | NE 10 | — | — | — | — | — |
| kJ | 36 | 35 | 13 | 89 | 25 | 32 | 146 | 142 | 3 | 8 | — | 135 | — | 64 | 47 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 7 | SE 7 | ESE 4 | E 4 | E 5 | E 5 | E 11 | E 11 | E 11 | E 7 | — | ENE 7 | E 7 | — | — | — | N 4 | — | NNW 6 |
| kJ | 62 | 70 | 91 | 22 | 26 | 21 | 16 | 195 | 191 | 231 | 107 | — | 128 | 92 | — | — | — | 41 | — | 179 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 31 | 29 | 28 | 5 | 605 | 5 | 687 | 687 | 687 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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