Surf Forecasts:
How big are the waves at Tengan today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 3.5ft (1.1m), 6s period with SE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 1ft (0.3m), 8s period with ENE swell.
The current surf forecast for Tengan at 5AM is: 1.2m 6s primary swell from a Southeast direction (forecast issued at 08:00pm August 20). An open ocean swell of 0.7m 9s is not directed at the surf break, a second open ocean swell of 0.4m 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 (21 Aug) | 3.5ft (1.1m) | 6s |
| Afternoon (21 Aug) | 1ft (0.3m) | 8s |
| Evening (21 Aug) | - | - |
Table - waves today at Tengan. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Thu night. Warm (max 28°C on Sat morning, min 27°C on Thu night). Winds increasing (moderate winds from the ESE on Thu night, strong winds from the SE by Fri night). | ||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||
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 7 | ESE 7 | ESE 6 | ESE 6 | SE 6 | SE 6 | SE 6 | ENE 8 | SSE 9 | SSE 9 | E 9 | SSE 9 | SSE 9 | E 14 | SSE 9 | SSE 9 | SSE 9 | E 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 84 | 99 | 97 | 128 | 104 | 94 | 363 | 14 | 0 | 0 | 2 | 0 | 0 | 4 | 0 | 0 | 0 | 2 |
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 |
High Tide | 10:56PM1.79m | 2:22PM1.43m | 11:51PM1.67m | 4:38PM1.54m | ||||||||||||||
Low Tide | 4:49PM1.21m | 6:38AM0.83m | 5:48PM1.37m | 8:31AM0.85m | 8:45PM1.43m | |||||||||||||
 |  | |  | | | | |  | | | |  | |  | | | | |
 | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — |
mm | 2 | 2 | 1 | — | — | 2 | 2 | 2 | — | — | — | 1 | — | 1 | — | 1 | — | 1 |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 29 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 9 | SW 8 | SW 8 | SW 10 | SW 8 | SW 9 | SW 9 | SW 10 | SW 9 | SW 9 | SW 10 | SW 10 | SW 10 | SW 10 |
| kJ | 99 | 99 | 99 | 78 | 74 | 57 | 43 | 59 | 86 | 95 | 99 | 110 | 106 | 52 | 104 | 120 | 120 | 108 |
Swell 2 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | S 8 | SW 10 | ENE 8 | — | — | E 9 | — | — | E 14 | — | — | — | E 9 |
| kJ | 12 | 12 | 13 | 25 | 24 | 47 | 16 | 14 | — | — | 2 | — | — | 4 | — | — | — | 2 |
Swell 3 Height (m) Direction Period (s) | E 11 | SE 10 | SE 10 | WSW 9 | SE 11 | SE 10 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 4 | 4 | 8 | 5 | 4 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 6 | ESE 6 | SE 6 | SE 6 | SE 6 | SSE 8 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 |
| kJ | 84 | 99 | 97 | 128 | 104 | 94 | 363 | 730 | 1373 | 1502 | 1306 | 1104 | 884 | 992 | 883 | 909 | 802 | 482 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 13 | 13 | 28 | 13 | 613 | 613 | 613 | 613 | 613 | 613 | 613 | 613 | 613 | 613 | 621 | 613 | 613 | 613 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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