Surf Forecasts:
How big are the waves at Castles today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 10ft (3.0m), 14s period with ENE swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 10ft (3.0m), 14s period with ENE swell.
- Evening surf: Evening surf (20 Sep, local time) - 10ft (3.0m), 14s period with ENE swell.
The current surf forecast for Castles at 6AM is: 3.0m 14s primary swell from a East-northeast direction and 0.4m 8s secondary swell from a South direction (forecast issued at 02:00am September 20). An open ocean swell of 0.5m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 10ft (3.0m) | 14s |
| Afternoon (20 Sep) | 10ft (3.0m) | 14s |
| Evening (20 Sep) | 10ft (3.0m) | 14s |
Table - waves today at Castles. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Sun morning, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | E 15 | E 14 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | NE 12 | NE 11 | NE 11 | NE 11 | ENE 11 | NE 11 | NE 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2868 | 2850 | 3025 | 3293 | 3578 | 3228 | 3331 | 3230 | 2895 | 2376 | 1787 | 1376 | 1013 | 830 | 734 | 536 | 456 | 386 | 293 | 288 | 246 | 215 | 147 | 142 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:04PM1.72m | 4:00PM1.45m | 00:32AM1.62m | 4:42PM1.56m | 2:43AM1.63m | 5:05PM1.67m | ||||||||||||||||||
Low Tide | 7:24AM0.81m | 6:55PM1.42m | 8:56AM0.78m | 9:25PM1.34m | 10:03AM0.70m | |||||||||||||||||||
 | | |  | | | | | |  | |  | | | | | | |  |  | | | | | |
 | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — |
 | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:25 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 |
Feels °C | 29 | 29 | 29 | 28 | 29 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 26 | 25 | 27 | 27 | 27 | 27 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | E 15 | E 14 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | NE 12 | NE 11 | NE 11 | NE 11 | ENE 11 | NE 11 | NE 11 |
| kJ | 2868 | 2850 | 3025 | 3293 | 3578 | 3228 | 3331 | 3230 | 2895 | 2376 | 1787 | 1376 | 1013 | 830 | 734 | 536 | 456 | 386 | 293 | 288 | 246 | 215 | 147 | 142 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | N 8 | N 8 | N 8 | S 7 | E 10 | N 8 |
| kJ | 35 | 34 | 21 | 21 | 21 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 5 | 5 | 5 | 5 | 4 | 64 | 48 | 48 | 4 | 8 | 46 |
Swell 3 Height (m) Direction Period (s) | S 8 | S 8 | — | — | — | ESE 18 | — | — | — | — | — | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | S 8 | S 8 | S 7 | ESE 9 | ESE 9 | ESE 9 |
| kJ | 22 | 22 | — | — | — | 31 | — | — | — | — | — | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 8 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | NNW 9 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 6 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | N 8 | N 8 | N 8 | N 8 | — | — | — | N 8 | N 8 | — |
| kJ | 30 | 26 | 30 | 50 | 64 | 49 | 68 | 51 | 60 | 89 | 151 | 173 | 143 | 133 | 131 | 130 | 105 | 82 | — | — | — | 48 | 46 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 50 | 64 | 596 | 596 | 687 | 687 | 687 | 596 | 596 | 596 | 596 | 596 | 805 | 719 | 687 | 596 | 64 | 0 | 0 | 0 | 0 | 1012 | 1027 | 0 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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