Surf Forecasts:
How big are the waves at Tengan today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 8ft (2.4m), 16s period with SE swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 8ft (2.5m), 16s period with SE swell.
- Evening surf: Evening surf (21 Oct, local time) - 10ft (3.0m), 16s period with SE swell.
The current surf forecast for Tengan at 1AM is: 1.9m 15s primary swell from a Southeast direction and 0.2m 8s secondary swell from a North-northwest direction, 1.1m 9s secondary swell from a East-northeast direction (forecast issued at 08:00pm October 20). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 8ft (2.4m) | 16s |
| Afternoon (21 Oct) | 8ft (2.5m) | 16s |
| Evening (21 Oct) | 10ft (3.0m) | 16s |
Table - waves today at Tengan. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 42mm), heaviest during Thu morning. Warm (max 28°C on Wed morning, min 24°C on Wed night). Winds increasing (light winds from the ENE on Tue night, strong winds from the NE by Wed night). | ||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 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 13 | SE 15 | SE 15 | SE 14 | SE 15 | SE 16 | SE 17 | SE 16 | SE 16 | SE 16 | SE 16 | SE 16 | SE 16 | NNE 8 | NNE 8 | NE 8 | N 9 | N 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 587 | 1376 | 1343 | 1426 | 2102 | 2938 | 3791 | 3772 | 3937 | 4631 | 5083 | 3880 | 2157 | 1205 | 1226 | 589 | 536 | 440 |
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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on |
High Tide | 3:19PM1.59m | 2:19AM1.53m | 3:54PM1.70m | 3:27AM1.66m | 4:23PM1.82m | |||||||||||||
Low Tide | 8:56PM1.13m | 9:07AM0.70m | 9:46PM0.95m | 9:54AM0.62m | ||||||||||||||
 | | | | |  | |  |  | | | |  |  | | | | | |
 | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 4 | 8 | 9 | 3 | 6 | 2 | 1 |
Temp °C | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 26 | 26 | 25 | 24 | 25 | 25 | 25 | 26 | 27 |
Feels °C | 28 | 28 | 29 | 29 | 28 | 29 | 29 | 27 | 27 | 24 | 24 | 22 | 20 | 22 | 23 | 24 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | ESE 13 | SE 15 | SE 15 | SE 14 | SE 15 | SE 16 | SE 17 | SE 16 | SE 16 | SE 16 | SE 16 | SE 16 | SSE 18 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | SSE 16 |
| kJ | 587 | 1376 | 1343 | 1426 | 2102 | 2938 | 3791 | 3772 | 3937 | 4631 | 5083 | 3880 | 4185 | 5501 | 5547 | 5936 | 6043 | 5894 |
Swell 2 Height (m) Direction Period (s) | SE 16 | SSE 16 | NNW 8 | SSE 15 | SSE 16 | — | — | NNW 7 | — | — | — | SSE 18 | SE 16 | — | NNW 9 | NNW 9 | N 9 | N 9 |
| kJ | 437 | 25 | 6 | 131 | 50 | — | — | 9 | — | — | — | 2371 | 2157 | — | 245 | 383 | 536 | 440 |
Swell 3 Height (m) Direction Period (s) | SSE 16 | NNW 8 | — | NNW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 51 | 6 | — | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | ENE 10 | ENE 9 | ENE 10 | NNE 7 | NNE 7 | N 7 | NE 4 | NE 4 | NNE 5 | NE 6 | NNE 7 | NNE 7 | NNE 8 | NNE 8 | NE 8 | ENE 7 | ENE 7 |
| kJ | — | 210 | 197 | 210 | 16 | 18 | 22 | 17 | 42 | 143 | 266 | 486 | 857 | 1205 | 1226 | 589 | 289 | 395 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 12 | 12 | 10 | 10 | 12 | 12 | 679 | 679 | 648 | 648 | 648 | 647 | 647 | 647 | 647 | 647 | 737 | 737 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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