Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (28 Aug):
- Morning surf: Morning surf (28 Aug, local time) - 3ft (0.9m), 10s period with SW swell.
- Afternoon surf: Afternoon surf (28 Aug, local time) - 3.5ft (1.0m), 7s period with S swell.
- Evening surf: Evening surf (28 Aug, local time) - 3ft (0.9m), 8s period with SSW swell.
The current surf forecast for Niyodo Rivermouth at 7AM is: 1.3m 8s primary swell from a South direction and 0.4m 11s secondary swell from a East-southeast direction (forecast issued at 02:00am August 28). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Aug) | 3ft (0.9m) | 10s |
| Afternoon (28 Aug) | 3.5ft (1.0m) | 7s |
| Evening (28 Aug) | 3ft (0.9m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Fri afternoon. Warm (max 29°C on Fri morning, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | ||||||||||||||||||||||
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 | 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) | S 9 | S 9 | S 8 | SW 10 | SSW 8 | S 7 | E 13 | SSW 8 | S 8 | SSW 8 | SSW 8 | S 8 | S 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 318 | 306 | 258 | 180 | 123 | 100 | 82 | 92 | 111 | 96 | 96 | 90 | 90 | 94 | 94 | 91 | 91 | 91 | 70 | 70 | 52 | 52 | 51 | 37 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | glassy | on | on | cross-on | cross-on | cross-on | glassy | glassy | glassy | on | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | on | on | on | glassy |
High Tide | 5:39AM1.81m | 6:34PM1.80m | 6:14AM1.86m | 6:56PM1.84m | 6:50AM1.86m | 7:19PM1.85m | ||||||||||||||||||
Low Tide | 11:53PM0.72m | 12:08PM0.18m | 00:21AM0.60m | 12:37PM0.21m | 00:51AM0.50m | 1:05PM0.28m | ||||||||||||||||||
 | |  |  | |  | | |  | | | | | | | | | | | | | | |  | |
 | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:34 | — |
mm | 2 | 1 | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 27 | 27 | 26 | 26 | 27 | 29 | 29 | 28 | 27 | 26 | 26 | 25 | 28 | 29 | 29 | 28 | 26 |
Feels °C | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 31 | 32 | 32 | 33 | 32 | 33 | 33 | 31 | 31 | 29 | 33 | 33 | 32 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 8 | S 8 | S 7 | S 7 | SSE 8 | SSW 8 | S 8 | SSW 8 | SSW 8 | S 8 | S 8 | E 12 | E 12 | E 11 | E 11 | E 10 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 |
| kJ | 318 | 306 | 258 | 149 | 123 | 100 | 76 | 92 | 111 | 96 | 96 | 90 | 90 | 44 | 43 | 41 | 38 | 33 | 70 | 70 | 52 | 52 | 51 | 37 |
Swell 2 Height (m) Direction Period (s) | SSW 8 | SSW 8 | ESE 11 | SSW 8 | E 13 | E 13 | E 13 | SSE 7 | E 12 | E 12 | E 12 | E 12 | E 12 | SE 9 | SE 11 | SE 11 | SE 11 | SE 11 | E 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 47 | 46 | 40 | 59 | 85 | 83 | 82 | 48 | 75 | 72 | 45 | 44 | 44 | 14 | 19 | 19 | 19 | 19 | 22 | 17 | 27 | 27 | 36 | 27 |
Swell 3 Height (m) Direction Period (s) | E 11 | ESE 11 | SW 8 | ESE 11 | SSW 8 | SSE 8 | SW 11 | E 13 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 14 | SE 9 | SSE 9 | SE 9 | SSE 9 | SE 11 | E 11 | E 11 | E 11 | E 11 | E 11 |
| kJ | 38 | 39 | 17 | 39 | 22 | 24 | 4 | 80 | 14 | 14 | 14 | 14 | 14 | 7 | 3 | 8 | 3 | 8 | 19 | 22 | 21 | 21 | 21 | 21 |
Wind waves Height (m) Direction Period (s) | SW 8 | — | — | SW 10 | SSW 8 | SSW 7 | SSW 7 | — | — | — | — | — | — | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | — | — | — | — | — | — |
| kJ | 162 | — | — | 180 | 116 | 86 | 78 | — | — | — | — | — | — | 94 | 94 | 91 | 91 | 91 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 51 | 0 | 0 | 0 | 51 | 51 | 51 | 51 | 51 | 0 | 0 | 0 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 51 | 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