Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (18 Oct):
- 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 8PM is: 1.8m 8s primary swell from a East-southeast direction (forecast issued at 02:00pm October 18). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | - | - |
| 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 ForecastModerate rain (total 14mm), heaviest on Sun night. Warm (max 26°C on Wed morning, min 21°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | ||||||||||||||||||
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 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 13 | SE 14 | SE 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 423 | 397 | 362 | 372 | 347 | 291 | 344 | 248 | 246 | 253 | 221 | 257 | 283 | 311 | 287 | 266 | 255 | 865 | 1363 | 1185 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross | cross-off | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | on | glassy | glassy |
High Tide | 9:04PM1.36m | 2:10PM1.33m | 11:26PM1.27m | 2:53PM1.42m | ||||||||||||||||
Low Tide | 3:43PM1.22m | 5:36AM0.70m | 7:22PM1.21m | 7:20AM0.70m | 8:43PM1.07m | |||||||||||||||
 | |  |  | |  | | |  |  |  | | | | |  | | | |  | |
 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — |
 | — | 5:29 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:25 | — | — |
mm | 1 | 1 | 1 | 2 | 1 | — | — | 1 | 2 | 1 | — | — | — | — | — | — | 1 | 1 | 1 | — |
Temp °C | 22 | 23 | 23 | 23 | 22 | 21 | 21 | 22 | 22 | 24 | 23 | 22 | 22 | 23 | 22 | 24 | 25 | 25 | 24 | 23 |
Feels °C | 23 | 23 | 23 | 23 | 23 | 22 | 23 | 25 | 25 | 28 | 27 | 25 | 25 | 27 | 25 | 28 | 28 | 28 | 29 | 27 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | ESE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 13 | SE 14 | SE 13 |
| kJ | — | — | — | — | 347 | 291 | 248 | 248 | 246 | 253 | 221 | 257 | 283 | 311 | 287 | 266 | 255 | 865 | 1363 | 1185 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SE 18 | SSE 17 | SE 16 | SE 16 | SE 15 | SE 14 | SE 13 | SE 13 | SSE 15 | SSE 15 | SSE 19 |
| kJ | — | — | — | — | — | — | — | — | — | 12 | 29 | 66 | 118 | 106 | 99 | 176 | 242 | 199 | 339 | 271 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SSE 19 | SE 19 | SSE 18 | SSE 17 | SSE 16 | — | — | SSE 16 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 34 | 92 | 123 | 168 | 226 | — | — | 102 |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | ESE 8 | — | — | SE 8 | — | — | — | SSW 6 | — | SSW 5 | — | — | SW 4 | — | — | — | — |
| kJ | 423 | 397 | 362 | 372 | — | — | 344 | — | — | — | 50 | — | 28 | — | — | 7 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 29 | 739 | 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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