Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (09 Sep):
- Morning surf: Morning surf (09 Sep, local time) - 7.5ft (2.3m), 9s period with SSE swell.
- Afternoon surf: Afternoon surf (09 Sep, local time) - 5.5ft (1.7m), 8s period with SSE swell.
- Evening surf: Evening surf (09 Sep, local time) - 5ft (1.5m), 8s period with SE swell.
The current surf forecast for Niyodo Rivermouth at 5AM is: 3.5m 9s primary swell from a South-southeast direction and 3.0m 9s secondary swell from a South-southeast direction, 0.1m 18s secondary swell from a East direction (forecast issued at 02:00am September 09). The wind direction is predicted to be offshore and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Sep) | 7.5ft (2.3m) | 9s |
| Afternoon (09 Sep) | 5.5ft (1.7m) | 8s |
| Evening (09 Sep) | 5ft (1.5m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Wed morning. Warm (max 28°C on Wed morning, min 22°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | ||||||||||||||||||||||
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) | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SSE 8 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2042 | 1875 | 1411 | 828 | 468 | 400 | 315 | 299 | 201 | 158 | 151 | 122 | 126 | 103 | 147 | 146 | 105 | 105 | 88 | 101 | 95 | 110 | 107 | 78 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross-off | off | off | off | off | off | off | off | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | on | on | glassy | glassy |
High Tide | 4:03AM1.71m | 5:26PM1.79m | 4:52AM1.83m | 5:53PM1.84m | 5:36AM1.91m | 6:18PM1.86m | ||||||||||||||||||
Low Tide | 10:32PM0.91m | 10:46AM0.15m | 11:08PM0.74m | 11:25AM0.13m | 11:42PM0.58m | 12:00PM0.17m | ||||||||||||||||||
 |  |  | |  | | |  |  | |  | | | | | | | | |  | |  |  |  | |
 | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:17 | — |
mm | 6 | 2 | 5 | 5 | — | 1 | — | — | — | — | — | 1 | 1 | — | 2 | 1 | — | — | — | — | — | 1 | 1 | — |
Temp °C | 26 | 26 | 26 | 26 | 28 | 25 | 24 | 24 | 23 | 23 | 22 | 23 | 23 | 24 | 22 | 23 | 23 | 23 | 24 | 25 | 27 | 27 | 26 | 25 |
Feels °C | 30 | 29 | 30 | 30 | 29 | 26 | 25 | 25 | 24 | 24 | 23 | 25 | 26 | 27 | 26 | 27 | 27 | 27 | 28 | 29 | 30 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SSE 8 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 7 |
| kJ | 1670 | 1651 | 1411 | 828 | 468 | 400 | 315 | 299 | 201 | 158 | 151 | 122 | 126 | 103 | 147 | 125 | 105 | 105 | 88 | 101 | 95 | 110 | 107 | 78 |
Swell 2 Height (m) Direction Period (s) | E 19 | E 19 | E 18 | E 18 | E 18 | E 18 | E 18 | S 8 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | E 5 | E 15 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | E 9 | E 8 | E 8 | E 7 | E 7 | E 7 |
| kJ | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 35 | 38 | 44 | 42 | 38 | 20 | 18 | 12 | 12 | 12 | 12 | 39 | 31 | 50 | 27 | 23 | 15 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 7 | W 7 | W 6 | E 17 | E 17 | SSW 8 | SSW 8 | S 8 | SSW 8 | ENE 7 | E 7 | E 15 | E 15 | ESE 11 | ESE 11 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 |
| kJ | — | — | — | 1 | 1 | 1 | 6 | 23 | 23 | 22 | 5 | 13 | 5 | 1 | 39 | 39 | 23 | 23 | 39 | 74 | 63 | 61 | 59 | 61 |
Wind waves Height (m) Direction Period (s) | SSE 10 | SSE 9 | — | NNW 3 | — | — | ENE 4 | N 3 | NE 7 | NE 7 | NE 7 | NE 7 | ENE 5 | E 5 | NE 4 | ESE 7 | E 6 | E 5 | — | — | — | — | — | — |
| kJ | 2042 | 1875 | — | 1 | — | — | 24 | 2 | 287 | 198 | 237 | 230 | 44 | 17 | 10 | 146 | 30 | 20 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 55 | 29 | 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