Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (21 Jun):
- Morning surf: Morning surf (21 Jun, local time) - 6ft (1.8m), 8s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Jun, local time) - 4.5ft (1.4m), 7s period with SW swell.
- Evening surf: Evening surf (21 Jun, local time) - 3.5ft (1.0m), 7s period with SSW swell.
The current surf forecast for Niyodo Rivermouth at 9AM is: 1.8m 8s primary swell from a South-southwest direction and 0.4m 9s secondary swell from a Southeast direction, 0.1m 18s secondary swell from a East direction (forecast issued at 02:00am June 21). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jun) | 6ft (1.8m) | 8s |
| Afternoon (21 Jun) | 4.5ft (1.4m) | 7s |
| Evening (21 Jun) | 3.5ft (1.0m) | 7s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Sun morning. Warm (max 29°C on Sun morning, min 20°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||||||||||||
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) | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 7 | SW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | S 14 | SE 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 504 | 542 | 560 | 382 | 279 | 211 | 117 | 88 | 50 | 45 | 43 | 46 | 48 | 48 | 47 | 63 | 61 | 47 | 48 | 35 | 35 | 42 | 102 | 101 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | cross | cross-on | cross-off | off | off | off | off | off | cross-off | on | cross-on | glassy | cross-off | cross-off | glassy | glassy | glassy | on | on | glassy | glassy |
High Tide | 10:44PM1.61m | 10:16AM1.48m | 11:28PM1.57m | 11:35AM1.37m | 00:12AM1.54m | 1:08PM1.32m | ||||||||||||||||||
Low Tide | 4:38AM0.87m | 4:44PM0.58m | 5:45AM0.81m | 5:37PM0.76m | 6:54AM0.73m | 6:39PM0.91m | ||||||||||||||||||
 |  |  |  |  |  | |  | | | | | | |  |  |  | | | | | | |  | |
 | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:17 | — |
mm | 10 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 25 | 27 | 29 | 29 | 26 | 23 | 21 | 20 | 20 | 25 | 27 | 26 | 23 | 22 | 22 | 21 | 21 | 23 | 23 | 22 | 22 | 21 |
Feels °C | 27 | 27 | 30 | 30 | 29 | 29 | 26 | 23 | 21 | 20 | 20 | 26 | 28 | 28 | 27 | 24 | 24 | 23 | 23 | 25 | 24 | 23 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | S 14 | SE 13 |
| kJ | 33 | 31 | 31 | 31 | 22 | 21 | 117 | 88 | 50 | 45 | 28 | 46 | 48 | 48 | 47 | 63 | 61 | 47 | 48 | 35 | 35 | 42 | 102 | 101 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | E 18 | SE 11 | SE 11 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SSW 6 | S 6 | SW 6 | SSW 5 | SSW 5 | SSW 5 | SSE 11 | SSW 5 | SSW 5 | SSE 10 | SE 13 | SE 11 | SSE 11 |
| kJ | 6 | 6 | 6 | 6 | 20 | 19 | 29 | 29 | 29 | 29 | 43 | 14 | 16 | 8 | 9 | 9 | 9 | 24 | 5 | 4 | 22 | 27 | 40 | 43 |
Swell 3 Height (m) Direction Period (s) | — | — | E 18 | — | E 18 | E 18 | SE 11 | SE 11 | SE 11 | SE 11 | S 14 | SSE 5 | SSE 13 | SSE 5 | SSE 13 | S 12 | SSE 10 | SSW 5 | SSE 11 | S 11 | SSW 5 | SSW 5 | SE 13 | S 14 |
| kJ | — | — | 6 | — | 6 | 6 | 19 | 19 | 19 | 19 | 4 | 5 | 16 | 5 | 32 | 12 | 10 | 5 | 12 | 10 | 5 | 2 | 26 | 58 |
Wind waves Height (m) Direction Period (s) | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 7 | SW 7 | WNW 3 | NW 3 | NNW 3 | NNW 3 | NNW 3 | N 3 | — | — | — | — | — | — | — | — | — | ENE 4 | ENE 4 | E 7 |
| kJ | 504 | 542 | 560 | 382 | 279 | 211 | 2 | 2 | 3 | 3 | 2 | 2 | — | — | — | — | — | — | — | — | — | 6 | 5 | 33 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 82 | 82 | 0 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 58 | 0 | 0 | 0 | 0 | 0 | 29 | 51 | 51 | 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