Surf Forecasts:
How big are the waves at Castles today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 5ft (1.5m), 6s period with E swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 5ft (1.5m), 6s period with E swell.
- Evening surf: Evening surf (18 Aug, local time) - 5ft (1.6m), 6s period with E swell.
The current surf forecast for Castles at 9AM is: 1.5m 6s primary swell from a East direction and 0.4m 7s secondary swell from a South direction (forecast issued at 02:00am August 18). An open ocean swell of 0.7m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 5ft (1.5m) | 6s |
| Afternoon (18 Aug) | 5ft (1.5m) | 6s |
| Evening (18 Aug) | 5ft (1.6m) | 6s |
Table - waves today at Castles. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 109mm), heaviest during Thu night. Warm (max 28°C on Tue morning, min 26°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
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) | ENE 10 | ENE 10 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | SSE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 77 | 85 | 120 | 164 | 187 | 170 | 200 | 200 | 240 | 254 | 311 | 240 | 261 | 254 | 298 | 362 | 430 | 460 | 579 | 476 | 520 | 689 | 729 | 769 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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-on | cross-on | cross-on | on | cross-on | on | on | on | on | on | on |
High Tide | 9:59PM2.05m | 10:35AM1.85m | 10:26PM1.99m | 11:22AM1.67m | 10:53PM1.92m | 12:25PM1.50m | ||||||||||||||||||
Low Tide | 4:22AM0.57m | 4:23PM0.87m | 5:06AM0.64m | 4:49PM1.05m | 5:57AM0.73m | 5:15PM1.21m | ||||||||||||||||||
 | |  |  | |  | |  | | | | | | | | | | | | | | | | | |
 | — | — | 6:01 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — |
 | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — |
mm | — | — | 1 | 1 | 1 | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 3 | — | 2 | 5 | 5 | 3 | 2 | 2 | 1 | 2 |
Temp °C | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 29 | 28 | 28 | 27 | 29 | 29 | 29 | 27 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 29 | 27 | 27 | 27 | 27 | 26 | 28 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 8 | SW 8 | SW 8 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | ENE 8 | SW 8 | SW 8 | S 8 | S 8 | S 9 | S 9 | S 9 | S 9 | SSW 8 | SW 9 | SW 9 | SW 9 |
| kJ | 104 | 100 | 69 | 71 | 74 | 73 | 76 | 73 | 43 | 41 | 44 | 55 | 25 | 25 | 19 | 33 | 57 | 110 | 101 | 73 | 39 | 28 | 28 | 28 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 8 | S 8 | SW 8 | S 7 | S 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 | SW 9 | SW 9 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 77 | 75 | 74 | 17 | 15 | 8 | 15 | 9 | 8 | 12 | 11 | 35 | 10 | 10 | 25 | 25 | 25 | 25 | 26 | 28 | 39 | 41 | 28 | 24 |
Swell 3 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 8 | S 8 | SE 10 | — | — | SSE 8 | SW 8 | SW 9 | SSE 10 | SW 9 | SW 9 | ENE 8 | ENE 8 |
| kJ | 17 | 15 | 15 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 1 | 4 | — | — | 14 | 25 | 26 | 37 | 39 | 39 | 28 | 24 |
Wind waves Height (m) Direction Period (s) | ESE 5 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | SSE 8 |
| kJ | 43 | 85 | 120 | 164 | 187 | 170 | 200 | 200 | 240 | 254 | 311 | 240 | 261 | 254 | 298 | 362 | 430 | 460 | 579 | 476 | 520 | 689 | 729 | 769 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 28 | 28 | 28 | 28 | 31 | 29 | 687 | 687 | 29 | 29 | 605 | 608 | 1591 | 770 | 687 | 605 | 28 | 588 | 588 | 588 | 596 | 28 | 596 | 588 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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