Surf Forecasts:
How big are the waves at Tengan today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 1ft (0.3m), 10s period with ENE swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 1ft (0.3m), 10s period with ENE swell.
- Evening surf: Evening surf (17 Aug, local time) - 1ft (0.3m), 10s period with ENE swell.
The current surf forecast for Tengan at 11AM is: 0.3m 10s primary swell from a East-northeast direction and 0.4m 5s secondary swell from a East-southeast direction (forecast issued at 08:00am August 17). An open ocean swell of 0.6m 9s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 1ft (0.3m) | 10s |
| Afternoon (17 Aug) | 1ft (0.3m) | 10s |
| Evening (17 Aug) | 1ft (0.3m) | 10s |
Table - waves today at Tengan. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Wed night. Warm (max 29°C on Mon morning, min 27°C on Mon night). Winds increasing (light winds from the ESE on Mon morning, strong winds from the ESE by Wed night). | ||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||||||
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 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | E 6 | E 6 | E 6 | E 6 | E 4 | E 6 | E 5 | E 6 | E 7 | E 7 | E 7 | E 8 | E 8 | ESE 8 | ESE 8 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 20 | 20 | 20 | 19 | 19 | 20 | 19 | 24 | 44 | 54 | 56 | 29 | 71 | 63 | 137 | 177 | 267 | 279 | 201 | 201 | 273 | 375 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 9:22AM1.96m | 9:29PM2.06m | 10:05AM1.80m | 9:55PM1.99m | 10:54AM1.63m | |||||||||||||||||
Low Tide | 3:19AM0.60m | 3:21PM0.66m | 3:57AM0.62m | 3:48PM0.85m | 4:38AM0.67m | 4:16PM1.03m | ||||||||||||||||
 |  | | | | |  | | |  | | | | | |  | |  | | | | | |
 | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — |
 | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | 2 | 1 | 2 | 3 |
Temp °C | 27 | 28 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 27 | 28 | 27 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 30 | 31 | 32 | 31 | 30 | 30 | 29 | 29 | 29 | 29 | 30 | 30 | 29 | 29 | 28 | 30 | 28 | 28 | 28 | 29 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 9 | SW 9 | SW 9 | SSW 9 | SW 9 | SSW 9 | SW 9 | SW 8 | SW 8 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | SSW 8 | SW 8 | SW 8 | SW 9 | SW 9 | SW 8 | SW 8 |
| kJ | 58 | 61 | 61 | 59 | 49 | 81 | 52 | 59 | 35 | 35 | 36 | 36 | 36 | 37 | 35 | 27 | 18 | 18 | 12 | 12 | 11 | 11 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | S 7 | SE 10 | SE 10 | SE 10 | S 7 | S 7 | S 8 | SW 9 | S 8 | SW 9 | — |
| kJ | 20 | 20 | 20 | 19 | 19 | 20 | 19 | 19 | 19 | 18 | 9 | 4 | 4 | 4 | 4 | 9 | 4 | 5 | 12 | 5 | 3 | — |
Swell 3 Height (m) Direction Period (s) | W 6 | W 6 | W 6 | W 6 | W 6 | ESE 11 | SE 10 | S 8 | S 7 | S 7 | S 7 | SE 10 | ESE 10 | ESE 10 | S 6 | — | — | S 8 | S 8 | SSW 8 | S 8 | — |
| kJ | 3 | 3 | 3 | 3 | 3 | 11 | 4 | 4 | 4 | 4 | 4 | 4 | 10 | 10 | 1 | — | — | 1 | 1 | 6 | 1 | — |
Wind waves Height (m) Direction Period (s) | ESE 5 | ESE 5 | SE 5 | ESE 5 | ESE 3 | E 5 | E 5 | E 6 | E 6 | E 6 | E 6 | E 4 | E 6 | E 5 | E 6 | E 7 | E 7 | E 7 | E 8 | E 8 | ESE 8 | ESE 8 |
| kJ | 9 | 10 | 6 | 9 | 9 | 16 | 18 | 24 | 44 | 54 | 56 | 29 | 71 | 63 | 137 | 177 | 267 | 279 | 201 | 201 | 273 | 375 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 13 | 13 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 647 | 647 | 647 | 12 | 631 | 633 | 873 | 873 | 621 | 631 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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