Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (20 Oct):
- Evening surf: Evening surf (20 Oct, local time) - 5ft (1.5m), 8s period with SE swell.
The current surf forecast for Niyodo Rivermouth at 12AM is: 1.3m 8s primary swell from a East-southeast direction and 0.7m 6s secondary swell from a South direction (forecast issued at 08:00pm October 19). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | - | - |
| Afternoon (20 Oct) | - | - |
| Evening (20 Oct) | 5ft (1.5m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Mon night. Warm (max 26°C on Wed morning, min 15°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Mon 19 | Tuesday 20 | Wednesday 21 | ||||||||||||||||
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) | SE 7 | SE 8 | ESE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 13 | SE 14 | SE 13 | SE 13 | SE 14 | SSE 14 | SSE 17 | SSE 17 | SSE 16 | SSE 16 | SSE 15 |
Wave Graph  | ||||||||||||||||||
 kJ | 239 | 244 | 212 | 304 | 351 | 325 | 246 | 940 | 1363 | 1092 | 1083 | 1349 | 1560 | 1259 | 1555 | 3479 | 3798 | 2899 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-off | glassy | glassy | glassy | glassy | on | glassy | glassy | cross-on | glassy | glassy | cross-on | on | cross-on | cross-off | cross-off |
High Tide | 11:26PM1.27m | 2:53PM1.42m | 1:44AM1.32m | 3:20PM1.52m | ||||||||||||||
Low Tide | 7:22PM1.21m | 7:20AM0.70m | 8:43PM1.07m | 8:28AM0.64m | ||||||||||||||
 |  | |  |  |  |  | |  | | | | | |  |  | | | |
 | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:24 | — | — |
mm | 3 | 1 | 1 | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | — | 1 | — | 1 | — | — |
Temp °C | 22 | 23 | 22 | 22 | 23 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 25 | 26 | 26 | 24 | 20 |
Feels °C | 26 | 27 | 25 | 25 | 27 | 28 | 29 | 29 | 29 | 28 | 27 | 27 | 26 | 28 | 28 | 29 | 26 | 20 |
Swell 1 Height (m) Direction Period (s) | SE 7 | SE 8 | ESE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 13 | SE 14 | SE 13 | SE 13 | SE 14 | SSE 14 | SE 13 | SSE 17 | SSE 16 | SSE 16 | SSE 15 |
| kJ | 239 | 244 | 212 | 304 | 351 | 325 | 246 | 940 | 1363 | 1092 | 1083 | 1349 | 1560 | 946 | 1555 | 3479 | 3798 | 2899 |
Swell 2 Height (m) Direction Period (s) | SSE 17 | SE 16 | S 6 | SE 15 | SE 14 | SE 13 | SE 13 | SSE 15 | SSE 15 | SSE 18 | SSE 17 | SSE 17 | SSE 18 | SSE 17 | SE 13 | ESE 10 | SE 9 | S 19 |
| kJ | 29 | 66 | 32 | 106 | 99 | 176 | 239 | 256 | 249 | 263 | 394 | 492 | 516 | 1259 | 878 | 105 | 81 | 1059 |
Swell 3 Height (m) Direction Period (s) | — | SE 16 | SE 16 | SE 19 | SSE 18 | SSE 17 | SSE 16 | — | SSE 19 | SSE 16 | — | — | — | ESE 9 | ESE 9 | — | ESE 9 | ESE 10 |
| kJ | — | 66 | 118 | 92 | 123 | 168 | 226 | — | 201 | 146 | — | — | — | 94 | 88 | — | 101 | 80 |
Wind waves Height (m) Direction Period (s) | S 6 | S 6 | — | — | — | — | — | — | — | SSW 4 | SSW 4 | SSW 4 | — | SSW 5 | SW 5 | SW 5 | SW 6 | WSW 5 |
| kJ | 52 | 50 | — | — | — | — | — | — | — | 6 | 9 | 19 | — | 24 | 43 | 98 | 88 | 39 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 51 | 0 | 0 | 51 | 51 | 51 | 9 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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