
Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (07 Aug):
- Afternoon surf: Afternoon surf (07 Aug, local time) - 13ft (4.0m), 12s period with SSE swell.
- Evening surf: Evening surf (07 Aug, local time) - 10ft (3.0m), 12s period with S swell.
The current surf forecast for Niyodo Rivermouth at 8PM is: 3.0m 12s primary swell from a South direction and 0.1m 15s secondary swell from a East direction, 2.5m 10s secondary swell from a East-southeast direction (forecast issued at 02:00pm August 07). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Aug) | - | - |
| Afternoon (07 Aug) | 13ft (4.0m) | 12s |
| Evening (07 Aug) | 10ft (3.0m) | 12s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Fri afternoon. Warm (max 30°C on Fri afternoon, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Fri 7 | Saturday 8 | Sunday 9 | ||||||||||||||||||
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) | SE 12 | SSE 12 | SSE 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 12 | E 13 | E 13 | E 13 | E 13 | E 13 |
Wave Graph | ||||||||||||||||||||
5399 | 5070 | 4467 | 2239 | 1880 | 1825 | 1398 | 1222 | 1006 | 807 | 724 | 655 | 582 | 604 | 648 | 600 | 704 | 782 | 683 | 683 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross | cross | cross-off | off | cross-on | cross-on | cross-on | cross-on | cross | off | off | off | glassy | on | on | glassy | glassy |
High Tide | 11:46PM1.54m | 3:23PM1.42m | 1:20AM1.53m | 4:31PM1.57m | ||||||||||||||||
Low Tide | 5:47PM1.13m | 7:38AM0.45m | 8:01PM1.21m | 9:02AM0.31m | ||||||||||||||||
— | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | |
— | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | |
mm | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 30 | 28 | 27 | 26 | 25 | 25 | 28 | 30 | 30 | 28 | 26 | 25 | 25 | 25 | 28 | 29 | 29 | 28 | 26 |
Feels °C | 31 | 31 | 30 | 30 | 29 | 28 | 28 | 32 | 32 | 30 | 32 | 30 | 28 | 28 | 28 | 32 | 32 | 32 | 33 | 31 |
Swell 1 Height (m) Direction Period (s) | SE 12 | SSE 12 | SSE 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 12 | E 13 | E 13 | E 13 | E 13 | E 13 |
5399 | 5070 | 4467 | 2239 | 1880 | 1825 | 1398 | 1222 | 1006 | 807 | 724 | 655 | 582 | 604 | 648 | 600 | 704 | 782 | 683 | 683 | |
Swell 2 Height (m) Direction Period (s) | E 16 | E 15 | SE 10 | E 15 | E 15 | E 15 | ESE 9 | E 15 | E 15 | ESE 10 | SE 8 | SE 8 | SE 8 | SE 8 | E 14 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 |
5 | 19 | 145 | 4 | 4 | 4 | 704 | 4 | 4 | 163 | 335 | 256 | 196 | 203 | 618 | 443 | 436 | 436 | 378 | 319 | |
Swell 3 Height (m) Direction Period (s) | — | — | E 15 | — | — | — | E 15 | — | SE 16 | SE 17 | E 9 | E 10 | E 10 | E 9 | SE 8 | S 10 | S 11 | S 11 | SE 7 | S 11 |
— | — | 4 | — | — | — | 4 | — | 10 | 11 | 180 | 226 | 231 | 217 | 147 | 218 | 181 | 189 | 91 | 307 | |
Wind waves Height (m) Direction Period (s) | — | — | ESE 9 | ESE 10 | ESE 10 | ESE 9 | — | ESE 9 | ESE 9 | SE 9 | — | — | — | — | — | SE 8 | SE 8 | SE 7 | — | — |
— | — | 739 | 1186 | 1139 | 766 | — | 666 | 632 | 492 | — | — | — | — | — | 165 | 149 | 91 | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 539 | 522 | 432 | 432 | 82 | 0 | 0 | 29 | 82 | 29 | 29 | 9 | 0 | 0 | 0 | 0 | 29 | 82 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












