Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 5ft (1.5m), 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) - 5.5ft (1.7m), 8s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 2PM is: 1.9m 7s primary swell from a East-southeast direction (forecast issued at 08:00am October 18). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 5ft (1.5m) | 7s |
| Afternoon (18 Oct) | 6ft (1.9m) | 7s |
| Evening (18 Oct) | 5.5ft (1.7m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Sun morning. Warm (max 25°C on Tue morning, min 20°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | ||||||||||||||||||||
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) | E 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SSE 16 | SE 13 | SE 14 | SE 12 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 76 | 206 | 405 | 397 | 362 | 337 | 314 | 278 | 236 | 211 | 225 | 231 | 210 | 239 | 238 | 287 | 294 | 300 | 242 | 796 | 1484 | 761 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | glassy | glassy | glassy | cross-off | glassy | glassy | glassy | glassy | glassy | glassy | on | glassy | glassy |
High Tide | 12:03PM1.28m | 9:04PM1.36m | 2:10PM1.33m | 11:26PM1.27m | 2:53PM1.42m | |||||||||||||||||
Low Tide | 4:03AM0.62m | 3:43PM1.22m | 5:36AM0.70m | 7:22PM1.21m | 7:20AM0.70m | 8:43PM1.07m | ||||||||||||||||
 |  |  | |  | | |  | | |  |  | | | | | | |  | |  |  | |
 | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — |
 | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:25 | — | — |
mm | — | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 1 | — |
Temp °C | 20 | 20 | 22 | 23 | 23 | 22 | 23 | 21 | 21 | 22 | 22 | 23 | 23 | 22 | 22 | 23 | 23 | 24 | 25 | 25 | 24 | 23 |
Feels °C | 20 | 21 | 22 | 23 | 23 | 22 | 24 | 22 | 22 | 25 | 25 | 26 | 26 | 25 | 25 | 27 | 27 | 28 | 29 | 28 | 29 | 27 |
Swell 1 Height (m) Direction Period (s) | SE 7 | SE 11 | — | — | — | — | ESE 8 | ESE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 13 | SE 14 | SE 12 |
| kJ | 8 | 5 | — | — | — | — | 314 | 278 | 236 | 211 | 225 | 231 | 210 | 239 | 238 | 287 | 294 | 300 | 231 | 796 | 1484 | 761 |
Swell 2 Height (m) Direction Period (s) | SE 11 | E 13 | — | — | — | — | — | — | — | — | — | SE 18 | SSE 17 | SE 16 | SE 16 | SE 15 | SE 14 | SE 13 | SE 13 | SSE 15 | SSE 15 | SSE 15 |
| kJ | 5 | 4 | — | — | — | — | — | — | — | — | — | 12 | 29 | 66 | 118 | 106 | 99 | 176 | 242 | 291 | 348 | 512 |
Swell 3 Height (m) Direction Period (s) | E 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 19 | SE 19 | SSE 18 | SSE 17 | SSE 16 | — | — | — |
| kJ | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | 34 | 92 | 121 | 116 | 229 | — | — | — |
Wind waves Height (m) Direction Period (s) | E 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 76 | 206 | 405 | 397 | 362 | 337 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 29 | 58 | 29 | 58 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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