Surf Forecasts:
How big are the waves at Tengan today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 3.5ft (1.1m), 8s period with ESE swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3.5ft (1.0m), 7s period with ESE swell.
- Evening surf: Evening surf (20 Aug, local time) - 3ft (0.9m), 7s period with ESE swell.
The current surf forecast for Tengan at 4PM is: 1.0m 7s primary swell from a East-southeast direction (forecast issued at 08:00am August 20). An open ocean swell of 0.8m 9s is not directed at the surf break, a second open ocean swell of 0.3m 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 (20 Aug) | 3.5ft (1.1m) | 8s |
| Afternoon (20 Aug) | 3.5ft (1.0m) | 7s |
| Evening (20 Aug) | 3ft (0.9m) | 7s |
Table - waves today at Tengan. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 31mm), heaviest during Fri afternoon. Warm (max 28°C on Thu morning, min 26°C on Fri afternoon). Winds increasing (moderate winds from the ESE on Thu afternoon, strong winds from the SE by Fri afternoon). | ||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||||||||
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) | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 4 | ESE 7 | SE 7 | SE 6 | SE 6 | SE 7 | SE 8 | SE 9 | SE 9 | SSE 9 | SSE 9 | SE 9 | SE 9 | SE 9 | SSE 9 | SSE 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 149 | 146 | 145 | 91 | 91 | 64 | 47 | 170 | 234 | 167 | 176 | 623 | 981 | 1270 | 0 | 0 | 0 | 910 | 1019 | 0 | 0 | 0 |
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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 12:02PM1.49m | 10:56PM1.79m | 2:22PM1.43m | 11:51PM1.67m | 4:38PM1.54m | |||||||||||||||||
Low Tide | 5:27AM0.75m | 4:49PM1.21m | 6:38AM0.83m | 5:48PM1.37m | 8:31AM0.85m | 8:45PM1.43m | ||||||||||||||||
 |  | | | |  | | | | | |  | | | | | | | | | | | |
 | 6:01 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — |
 | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — |
mm | — | 1 | 2 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 2 | 1 | 3 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 |
Feels °C | 31 | 30 | 30 | 30 | 31 | 29 | 27 | 28 | 28 | 28 | 25 | 24 | 22 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 28 | 26 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | SW 8 | SW 8 | S 8 | SW 10 | SW 9 | SW 9 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 |
| kJ | 30 | 44 | 64 | 78 | 99 | 127 | 99 | 78 | 24 | 57 | 44 | 74 | 79 | 81 | 90 | 63 | 63 | 163 | 120 | 82 | 77 | 80 |
Swell 2 Height (m) Direction Period (s) | SW 8 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | ENE 8 | S 8 | SW 8 | — | — | ENE 9 | — | — | — | — | — | — | — | — |
| kJ | 11 | 12 | 13 | 13 | 12 | 12 | 13 | 25 | 21 | 50 | 43 | — | — | 8 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SW 8 | — | SW 9 | ENE 8 | E 11 | SE 10 | — | — | ESE 11 | — | SW 10 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 11 | — | 12 | 27 | 2 | 4 | — | — | 12 | — | 16 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 4 | ESE 7 | SE 7 | SE 6 | SE 6 | SE 7 | SE 8 | SE 9 | SE 9 | SSE 9 | SSE 9 | SE 9 | SE 9 | SE 9 | SSE 9 | SSE 9 |
| kJ | 149 | 146 | 145 | 91 | 91 | 64 | 47 | 170 | 234 | 167 | 176 | 623 | 981 | 1270 | 989 | 1107 | 990 | 910 | 1019 | 1057 | 846 | 658 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 613 | 613 | 13 | 613 | 613 | 613 | 613 | 613 | 613 | 613 | 621 | 621 | 621 | 621 | 613 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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