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 5AM is: 2.4m 17s primary swell from a East-southeast direction and 0.1m 15s secondary swell from a Southeast direction, 2.0m 8s secondary swell from a East direction (forecast issued at 02:00am August 04). The wind direction is predicted to be cross-shore.
| 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 3mm), mostly falling on Tue morning. Warm (max 32°C on Thu morning, min 25°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 4 | Wednesday 5 | Thursday 6 | ||||||||||||||||||||||
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 | 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 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 16 | ESE 16 | SE 16 | SE 16 | SE 16 | SE 16 | SE 16 | SE 16 | SE 16 | SE 16 | SE 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2660 | 2923 | 3090 | 3522 | 5706 | 7069 | 7246 | 7403 | 8362 | 9784 | 9764 | 10117 | 11188 | 13103 | 16981 | 15305 | 15184 | 15047 | 15355 | 15847 | 19194 | 19834 | 19912 | 18347 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | glassy | cross-on | cross-on | on | cross-on | glassy | glassy | glassy | glassy | glassy | on | on | on | off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross |
High Tide | 9:05AM1.58m | 9:23PM1.72m | 10:00AM1.47m | 9:57PM1.67m | 11:18AM1.36m | |||||||||||||||||||
Low Tide | 3:05AM0.57m | 3:05PM0.59m | 3:51AM0.55m | 3:42PM0.77m | 4:49AM0.54m | 4:29PM0.96m | ||||||||||||||||||
 | |  | |  | |  |  | |  |  | | | | | | | | | | | | | | |
 | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — |
mm | 2 | 3 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 25 | 25 | 29 | 30 | 31 | 30 | 27 | 27 | 26 | 27 | 31 | 32 | 32 | 30 | 28 |
Feels °C | 34 | 32 | 32 | 33 | 30 | 32 | 31 | 32 | 30 | 29 | 29 | 34 | 32 | 34 | 34 | 31 | 30 | 28 | 30 | 32 | 31 | 31 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | 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 16 | SE 16 | SE 16 | SE 16 | SE 16 | SE 16 | SE 16 | SE 16 | SE 16 | SE 16 | SE 16 |
| kJ | 2660 | 2923 | 3090 | 3522 | 5706 | 7069 | 7246 | 7403 | 8362 | 9784 | 9764 | 10117 | 11188 | 13103 | 14414 | 15305 | 15184 | 15047 | 15355 | 15847 | 19194 | 19834 | 19912 | 18347 |
Swell 2 Height (m) Direction Period (s) | — | — | SE 15 | — | — | — | — | — | SE 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 9 | — | — | — | — | — | 2349 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 7 | E 7 | ESE 8 | E 8 | E 9 | — | — | — | — | — | — | — | — | — | ESE 16 | — | — | — | — | — | — | — | — | — |
| kJ | 276 | 491 | 473 | 418 | 663 | — | — | — | — | — | — | — | — | — | 16981 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 0 | 0 | 29 | 29 | 29 | 29 | 9 | 29 | 29 | 9 | 9 | 9 | 9 | 85 | 183 | 82 | 9 | 9 | 9 | 9 | 566 | 566 | 522 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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