
Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (05 Aug):
- Morning surf: Morning surf (05 Aug, local time) - 15ft (4.5m), 16s period with ESE swell.
- Afternoon surf: Afternoon surf (05 Aug, local time) - 16ft (5.0m), 16s period with ESE swell.
- Evening surf: Evening surf (05 Aug, local time) - 16ft (5.0m), 16s period with SE swell.
The current surf forecast for Niyodo Rivermouth at 5PM is: 5.0m 16s primary swell from a East-southeast direction (forecast issued at 08:00am August 05). The wind direction is predicted to be onshore and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Aug) | 15ft (4.5m) | 16s |
| Afternoon (05 Aug) | 16ft (5.0m) | 16s |
| Evening (05 Aug) | 16ft (5.0m) | 16s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Fri afternoon. Warm (max 33°C on Thu morning, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | ||||||||||||||||||||
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) | ESE 16 | ESE 16 | ESE 16 | ESE 16 | ESE 16 | SE 16 | SE 15 | SE 15 | SE 15 | SE 14 | SE 14 | SE 15 | SE 15 | SE 15 | SE 15 | SE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | S 14 |
Wave Graph | ||||||||||||||||||||||
9764 | 10592 | 11893 | 12401 | 12779 | 12158 | 10034 | 10539 | 9738 | 9433 | 10266 | 11757 | 11477 | 11737 | 11906 | 12016 | 11740 | 11135 | 10384 | 9568 | 8940 | 5846 | |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | on | on | cross-on | glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross |
High Tide | 10:00AM1.47m | 9:57PM1.67m | 11:18AM1.36m | 10:41PM1.60m | 1:19PM1.32m | |||||||||||||||||
Low Tide | 3:51AM0.55m | 3:42PM0.77m | 4:49AM0.54m | 4:29PM0.96m | 6:05AM0.52m | 5:47PM1.13m | ||||||||||||||||
5:18 | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | |
— | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 1 | 3 | 1 |
Temp °C | 25 | 29 | 31 | 31 | 30 | 27 | 27 | 26 | 26 | 31 | 33 | 33 | 30 | 28 | 27 | 27 | 27 | 30 | 31 | 30 | 28 | 27 |
Feels °C | 29 | 33 | 33 | 33 | 34 | 31 | 31 | 29 | 28 | 33 | 32 | 32 | 31 | 31 | 30 | 30 | 29 | 30 | 30 | 30 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | ESE 16 | ESE 16 | ESE 16 | ESE 16 | ESE 16 | SE 16 | SE 15 | SE 15 | SE 15 | SE 14 | SE 14 | SE 15 | SE 15 | SE 15 | SE 15 | SE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | S 14 |
9764 | 10592 | 11893 | 12401 | 12779 | 12158 | 10034 | 10539 | 9738 | 9433 | 10266 | 11757 | 11477 | 11737 | 11906 | 12016 | 11740 | 11135 | 10384 | 9568 | 8081 | 5846 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 16 | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 14 | ESE 10 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8940 | 1022 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 9 | 9 | 85 | 573 | 63 | 9 | 9 | 9 | 9 | 85 | 566 | 522 | 539 | 9 | 9 | 9 | 535 | 539 | 522 | 522 | 645 | 522 |
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)












