Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (20 Oct):
- Afternoon surf: Afternoon surf (20 Oct, local time) - 5ft (1.6m), 13s period with SE swell.
- Evening surf: Evening surf (20 Oct, local time) - 6ft (1.8m), 13s period with SE swell.
The current surf forecast for Niyodo Rivermouth at 6PM is: 1.8m 14s primary swell from a Southeast direction and 0.8m 15s secondary swell from a South-southeast direction (forecast issued at 02:00pm October 20). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | - | - |
| Afternoon (20 Oct) | 5ft (1.6m) | 13s |
| Evening (20 Oct) | 6ft (1.8m) | 13s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Tue night. Warm (max 26°C on Wed morning, min 15°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | ||||||||||||||||||
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) | SE 9 | SE 13 | SE 14 | SE 13 | SE 13 | SE 14 | SE 14 | SSE 17 | SSE 17 | SSE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | S 14 | SSE 14 | S 14 | SSE 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 275 | 865 | 1363 | 1092 | 1182 | 1130 | 1271 | 1259 | 1470 | 3436 | 3373 | 3774 | 3013 | 3017 | 2480 | 2725 | 2570 | 1740 | 1977 | 1883 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | glassy | cross-on | cross-on | glassy | glassy | cross-on | on | on | off | cross-off | cross-off | off | off | off | off | off | off | off |
High Tide | 2:53PM1.42m | 1:44AM1.32m | 3:20PM1.52m | 2:53AM1.44m | 3:45PM1.61m | |||||||||||||||
Low Tide | 8:43PM1.07m | 8:28AM0.64m | 9:18PM0.90m | 9:14AM0.57m | ||||||||||||||||
 | |  | |  | |  |  | | | |  | | | |  | | | | | |
 | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — |
 | — | 5:25 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:23 | — | — |
mm | 1 | 1 | 1 | 1 | 2 | 2 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 25 | 26 | 26 | 24 | 21 | 20 | 18 | 15 | 18 | 21 | 22 | 17 | 16 |
Feels °C | 29 | 28 | 28 | 27 | 27 | 27 | 29 | 29 | 28 | 28 | 27 | 21 | 20 | 17 | 12 | 15 | 18 | 20 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 13 | SE 14 | SE 13 | SE 13 | SE 14 | SE 14 | SSE 13 | SSE 17 | SSE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | S 14 | SSE 14 | S 14 | SSE 14 |
| kJ | 275 | 865 | 1363 | 1092 | 1182 | 1130 | 1271 | 1103 | 1470 | 3436 | 3373 | 3774 | 3013 | 3017 | 2480 | 2725 | 2570 | 1740 | 1977 | 1883 |
Swell 2 Height (m) Direction Period (s) | SE 13 | SSE 15 | SSE 15 | SSE 18 | SSE 17 | SSE 17 | SSE 18 | SSE 17 | SE 13 | ESE 10 | ESE 10 | E 10 | S 19 | S 17 | S 18 | E 9 | ESE 9 | S 17 | S 18 | S 16 |
| kJ | 239 | 256 | 249 | 263 | 394 | 492 | 516 | 1259 | 878 | 72 | 71 | 90 | 722 | 1237 | 871 | 133 | 88 | 1116 | 785 | 1055 |
Swell 3 Height (m) Direction Period (s) | SSE 16 | — | SSE 19 | SSE 16 | — | — | — | ESE 10 | ESE 9 | — | — | SW 5 | E 9 | — | — | — | NE 6 | ESE 9 | ESE 9 | ESE 9 |
| kJ | 226 | — | 201 | 146 | — | — | — | 32 | 66 | — | — | 14 | 106 | — | — | — | 15 | 88 | 73 | 56 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 4 | SSW 5 | SSW 5 | SW 5 | SSW 5 | SSW 5 | SW 5 | WSW 5 | NW 4 | E 9 | NNW 4 | NNE 4 | — | NE 6 | NE 6 | ENE 6 |
| kJ | — | — | — | — | 25 | 40 | 48 | 64 | 45 | 52 | 48 | 57 | 28 | 136 | 25 | 21 | — | 75 | 164 | 93 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 9 | 51 | 0 | 51 | 51 | 0 | 0 | 51 | 51 | 51 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Niyodo Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest