Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (04 Aug):
- Morning surf: Morning surf (04 Aug, local time) - 8ft (2.5m), 16s period with ESE swell.
- Afternoon surf: Afternoon surf (04 Aug, local time) - 11ft (3.5m), 17s period with ESE swell.
- Evening surf: Evening surf (04 Aug, local time) - 13ft (4.0m), 16s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 12AM is: 2.2m 17s primary swell from a East-southeast direction and 1.7m 7s secondary swell from a East direction (forecast issued at 08:00pm August 03). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Aug) | 8ft (2.5m) | 16s |
| Afternoon (04 Aug) | 11ft (3.5m) | 17s |
| Evening (04 Aug) | 13ft (4.0m) | 16s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Mon night. Warm (max 33°C on Thu morning, min 25°C on Tue night). Winds increasing (calm on Wed morning, fresh winds from the E by Thu morning). | ||||||||||||||||||
Mon 3 | Tuesday 4 | Wednesday 5 | ||||||||||||||||
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 17 | ESE 17 | ESE 17 | ESE 16 | ESE 16 | ESE 17 | ESE 17 | ESE 16 | ESE 16 | ESE 17 | ESE 16 | ESE 16 | ESE 16 | ESE 17 | SE 17 | SE 16 |
Wave Graph  | ||||||||||||||||||
 kJ | 1896 | 2269 | 2660 | 2923 | 3090 | 3277 | 3676 | 7069 | 6879 | 8300 | 8362 | 9668 | 9885 | 11004 | 12889 | 15861 | 16966 | 17746 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | cross | cross | cross-on | cross-on | glassy | cross-on | cross-on | glassy | glassy | off | glassy | on | cross-on | cross-on | cross-off |
High Tide | 8:54PM1.75m | 9:05AM1.58m | 9:23PM1.72m | 10:00AM1.47m | ||||||||||||||
Low Tide | 3:05AM0.57m | 3:05PM0.59m | 3:51AM0.55m | 3:42PM0.77m | ||||||||||||||
 |  | | | | |  | |  |  | |  |  | | |  | | | |
 | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | 7:04 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — |
mm | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 30 | 31 | 32 | 31 | 28 |
Feels °C | 34 | 33 | 32 | 32 | 32 | 31 | 30 | 32 | 31 | 30 | 31 | 30 | 29 | 34 | 33 | 33 | 33 | 31 |
Swell 1 Height (m) Direction Period (s) | ESE 16 | ESE 16 | ESE 17 | ESE 17 | ESE 17 | ESE 16 | ESE 16 | ESE 17 | ESE 17 | ESE 16 | ESE 16 | ESE 17 | ESE 16 | ESE 16 | ESE 16 | ESE 17 | SE 17 | SE 16 |
| kJ | 1896 | 2269 | 2660 | 2923 | 3090 | 3277 | 3676 | 7069 | 6879 | 7043 | 8362 | 9668 | 9885 | 11004 | 12889 | 15861 | 16966 | 17746 |
Swell 2 Height (m) Direction Period (s) | S 7 | — | — | — | SE 15 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | — | — | — | 9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 6 | ESE 7 | E 7 | E 8 | ESE 8 | ESE 8 | ESE 8 | E 9 | E 9 | ESE 16 | — | — | — | — | — | — | — | — |
| kJ | 176 | 269 | 295 | 367 | 473 | 497 | 588 | 888 | 874 | 8300 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 29 | 0 | 0 | 29 | 29 | 29 | 29 | 9 | 29 | 29 | 9 | 9 | 9 | 9 | 85 | 183 | 82 | 9 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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