Surf Forecasts:
How big are the waves at Tengan today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 4ft (1.2m), 8s period with ESE swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3.5ft (1.1m), 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 3AM is: 1.2m 8s primary swell from a East-southeast direction (forecast issued at 08:00pm August 19). An open ocean swell of 0.4m 8s is not directed at the surf break, a second open ocean swell of 0.3m 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 (20 Aug) | 4ft (1.2m) | 8s |
| Afternoon (20 Aug) | 3.5ft (1.1m) | 7s |
| Evening (20 Aug) | 3ft (0.9m) | 7s |
Table - waves today at Tengan. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Thu morning. Warm (max 29°C on Sat morning, min 27°C on Wed night). Winds increasing (moderate winds from the SE on Wed night, near gales from the ESE by Fri afternoon). | ||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | ||||||||||||||||
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 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | SE 9 | SE 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 181 | 186 | 210 | 163 | 149 | 183 | 178 | 120 | 82 | 79 | 73 | 137 | 365 | 237 | 229 | 392 | 1824 | 1373 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:22PM1.90m | 12:02PM1.49m | 10:56PM1.79m | 2:22PM1.43m | ||||||||||||||
Low Tide | 4:16PM1.03m | 5:27AM0.75m | 4:49PM1.21m | 6:38AM0.83m | 5:48PM1.37m | |||||||||||||
 |  | | | | | | | |  | | | | | | | | | |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — |
 | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — |
mm | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 |
Temp °C | 28 | 28 | 27 | 28 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 29 | 30 | 29 | 31 | 29 | 30 | 30 | 30 | 28 | 28 | 26 | 25 | 26 | 27 | 26 | 26 | 23 | 25 |
Swell 1 Height (m) Direction Period (s) | SW 9 | S 9 | S 9 | S 8 | ESE 8 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | SSW 9 | SW 8 | SW 8 | SSW 9 | SSW 9 | SW 9 | SW 8 |
| kJ | 12 | 13 | 14 | 22 | 149 | 44 | 64 | 78 | 99 | 99 | 102 | 132 | 57 | 82 | 129 | 161 | 77 | 57 |
Swell 2 Height (m) Direction Period (s) | S 8 | SW 8 | SW 8 | SW 8 | S 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | WSW 9 | — | S 9 | S 8 | S 9 | — | — |
| kJ | 5 | 11 | 11 | 11 | 46 | 12 | 13 | 13 | 13 | 12 | 13 | 8 | — | 39 | 65 | 23 | — | — |
Swell 3 Height (m) Direction Period (s) | S 8 | — | — | SW 8 | SW 8 | — | SW 9 | SW 9 | SE 10 | SE 10 | SE 10 | — | — | — | — | — | — | — |
| kJ | 1 | — | — | 3 | 11 | — | 12 | 12 | 4 | 4 | 4 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 7 | ESE 7 | ESE 8 | ESE 8 | — | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | SE 9 | SE 9 |
| kJ | 181 | 186 | 210 | 163 | — | 183 | 178 | 120 | 82 | 79 | 73 | 137 | 365 | 237 | 229 | 392 | 1824 | 1373 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 647 | 631 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 613 | 613 | 613 | 613 | 613 | 613 | 613 | 613 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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