Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 3.5ft (1.1m), 8s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 3ft (0.9m), 7s period with SSW swell.
- Evening surf: Evening surf (18 Jun, local time) - 2.5ft (0.8m), 7s period with SSW swell.
The current surf forecast for Niyodo Rivermouth at 12PM is: 1.0m 8s primary swell from a South-southwest direction and 0.6m 6s secondary swell from a East direction (forecast issued at 08:00am June 18). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 3.5ft (1.1m) | 8s |
| Afternoon (18 Jun) | 3ft (0.9m) | 7s |
| Evening (18 Jun) | 2.5ft (0.8m) | 7s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 57mm), heaviest during Sat afternoon. Warm (max 25°C on Thu morning, min 22°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SE 10 | SSW 6 | SE 10 | SSW 6 | SSW 6 | SSW 7 | SW 8 | SSW 8 | SSW 8 | SW 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 223 | 147 | 120 | 97 | 71 | 69 | 117 | 91 | 111 | 99 | 68 | 51 | 37 | 35 | 35 | 39 | 35 | 119 | 254 | 472 | 703 | 680 | 654 | 699 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | on | glassy | glassy | glassy | glassy | glassy | glassy | on | glassy | glassy | glassy | cross-on | glassy | glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | glassy |
High Tide | 7:23AM1.81m | 9:15PM1.74m | 8:15AM1.72m | 10:00PM1.67m | 9:11AM1.61m | 10:44PM1.61m | ||||||||||||||||||
Low Tide | 2:20PM0.03m | 2:43AM0.94m | 3:07PM0.19m | 3:37AM0.91m | 3:55PM0.38m | |||||||||||||||||||
 | | |  | |  | | |  | | | | |  |  | |  | |  |  | |  | | | |
 | 4:54 | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 |
 | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | 7:17 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 10 | 6 | 3 | 1 | 6 | 16 | 7 | 2 | 1 | — |
Temp °C | 22 | 25 | 25 | 25 | 24 | 23 | 22 | 22 | 23 | 25 | 25 | 24 | 24 | 22 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
Feels °C | 25 | 28 | 28 | 28 | 28 | 27 | 25 | 25 | 26 | 28 | 28 | 28 | 28 | 26 | 27 | 27 | 28 | 28 | 26 | 26 | 26 | 27 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 5 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SSW 8 |
| kJ | 223 | 147 | 120 | 97 | 71 | 69 | 117 | 91 | 111 | 99 | 68 | 51 | 37 | 35 | 25 | 23 | 35 | 25 | 34 | 34 | 33 | 24 | 23 | 521 |
Swell 2 Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | ESE 6 | SE 10 | SE 10 | ESE 6 | ESE 6 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | E 8 | SE 13 | SE 13 | — | SE 12 | SE 12 | SE 12 | SE 10 |
| kJ | 81 | 36 | 24 | 18 | 12 | 15 | 15 | 8 | 8 | 13 | 14 | 23 | 23 | 24 | 35 | 35 | 1 | 7 | 7 | — | 6 | 6 | 6 | 32 |
Swell 3 Height (m) Direction Period (s) | SSE 10 | SE 10 | E 12 | E 12 | SE 10 | E 6 | ESE 7 | SE 10 | SSE 9 | ESE 11 | SE 5 | SE 14 | S 8 | SE 14 | SE 14 | E 8 | SE 13 | SE 13 | — | — | — | — | — | SE 12 |
| kJ | 10 | 15 | 11 | 11 | 15 | 6 | 9 | 15 | 8 | 12 | 4 | 8 | 1 | 7 | 7 | 1 | 7 | 7 | — | — | — | — | — | 6 |
Wind waves Height (m) Direction Period (s) | WSW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 6 | SSW 5 | SSW 6 | SSW 6 | SSW 7 | SW 8 | SSW 8 | SSW 8 | SW 8 |
| kJ | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 39 | 33 | 119 | 254 | 472 | 703 | 680 | 654 | 699 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 0 | 0 | 0 | 51 | 0 | 0 | 55 | 432 | 432 | 82 | 82 | 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