Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 5.5ft (1.7m), 7s period with ESE swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 6ft (1.9m), 7s period with ESE swell.
- Evening surf: Evening surf (18 Oct, local time) - 6ft (1.8m), 8s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 4AM is: 0.8m 6s primary swell from a East direction and 0.4m 8s secondary swell from a East-southeast direction, 0.3m 7s secondary swell from a Southeast direction (forecast issued at 08:00pm October 17). The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 5.5ft (1.7m) | 7s |
| Afternoon (18 Oct) | 6ft (1.9m) | 7s |
| Evening (18 Oct) | 6ft (1.8m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Sun morning. Warm (max 25°C on Mon morning, min 19°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Sat 17 | Sunday 18 | Monday 19 | ||||||||||||||||
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) | E 6 | ESE 8 | E 6 | E 6 | ESE 5 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 47 | 12 | 47 | 47 | 87 | 261 | 417 | 397 | 408 | 362 | 345 | 318 | 278 | 236 | 236 | 221 | 256 | 252 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | glassy | glassy | glassy | glassy | glassy |
High Tide | 8:21PM1.48m | 12:03PM1.28m | 9:04PM1.36m | 2:10PM1.33m | ||||||||||||||
Low Tide | 4:03AM0.62m | 3:43PM1.22m | 5:36AM0.70m | 7:22PM1.21m | ||||||||||||||
 | | |  |  |  | | |  | | | | |  | | | | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:28 | — | — |
mm | — | — | — | — | — | 1 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 22 | 20 | 19 | 19 | 20 | 19 | 22 | 23 | 23 | 22 | 22 | 21 | 21 | 23 | 25 | 24 | 24 | 23 |
Feels °C | 22 | 20 | 19 | 18 | 21 | 20 | 23 | 23 | 23 | 22 | 23 | 22 | 22 | 26 | 27 | 26 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 11 | SE 11 | — | — | — | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 9 |
| kJ | 14 | 12 | 19 | 19 | 5 | 5 | — | — | — | 362 | 345 | 318 | 278 | 236 | 236 | 221 | 256 | 252 |
Swell 2 Height (m) Direction Period (s) | SE 8 | E 6 | SE 7 | SE 7 | E 10 | — | — | — | — | — | — | — | — | E 13 | — | SE 18 | SSE 17 | SE 16 |
| kJ | 10 | 7 | 9 | 9 | 2 | — | — | — | — | — | — | — | — | 3 | — | 12 | 29 | 66 |
Swell 3 Height (m) Direction Period (s) | — | SE 8 | — | SE 12 | E 13 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 9 | — | 5 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 6 | E 5 | E 6 | E 6 | ESE 5 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | — | — | — | — | — | — | — | — | — |
| kJ | 47 | 21 | 47 | 47 | 87 | 261 | 417 | 397 | 408 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 55 | 0 | 0 | 0 | 0 | 29 | 29 | 29 | 29 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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