Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (10 Jun):
- Morning surf: Morning surf (10 Jun, local time) - 3.5ft (1.0m), 8s period with S swell.
- Afternoon surf: Afternoon surf (10 Jun, local time) - 3.5ft (1.0m), 8s period with S swell.
- Evening surf: Evening surf (10 Jun, local time) - 3.5ft (1.1m), 8s period with S swell.
The current surf forecast for Niyodo Rivermouth at 8AM is: 1.0m 8s primary swell from a South-southwest direction and 0.3m 9s secondary swell from a East direction (forecast issued at 02:00am June 10). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Jun) | 3.5ft (1.0m) | 8s |
| Afternoon (10 Jun) | 3.5ft (1.0m) | 8s |
| Evening (10 Jun) | 3.5ft (1.1m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Thu night. Warm (max 24°C on Wed morning, min 18°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | ||||||||||||||||||||||
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 8 | SSW 8 | SSW 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 | S 9 | S 9 | SSW 9 | S 8 | S 8 | S 8 | S 8 | SSE 7 | S 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 |
Wave Graph | ||||||||||||||||||||||||
137 | 180 | 144 | 134 | 137 | 140 | 140 | 173 | 215 | 263 | 263 | 215 | 131 | 167 | 167 | 135 | 132 | 43 | 76 | 55 | 33 | 36 | 26 | 26 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | off | off | glassy | on | on | glassy | off | off | off | off | glassy | on | on | glassy | cross-off | off | off | off | glassy | on | on | glassy | off |
High Tide | 1:00AM1.58m | 1:50PM1.40m | 1:49AM1.62m | 3:08PM1.51m | 2:37AM1.67m | 4:13PM1.64m | ||||||||||||||||||
Low Tide | 7:37AM0.68m | 7:33PM0.81m | 8:35AM0.50m | 8:41PM0.87m | 9:27AM0.31m | |||||||||||||||||||
— | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | |
— | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:15 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — |
Temp °C | 18 | 17 | 17 | 22 | 24 | 23 | 22 | 20 | 19 | 18 | 18 | 23 | 24 | 23 | 23 | 20 | 18 | 18 | 18 | 23 | 23 | 24 | 23 | 20 |
Feels °C | 19 | 17 | 16 | 23 | 23 | 23 | 23 | 21 | 19 | 17 | 17 | 23 | 24 | 23 | 25 | 21 | 18 | 18 | 18 | 24 | 23 | 24 | 25 | 21 |
Swell 1 Height (m) Direction Period (s) | S 8 | SSW 8 | SSW 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 | S 9 | S 9 | SSW 9 | S 8 | S 8 | S 8 | S 8 | SSE 7 | S 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 |
137 | 180 | 144 | 134 | 137 | 140 | 140 | 173 | 215 | 263 | 263 | 215 | 131 | 167 | 167 | 135 | 132 | 43 | 76 | 55 | 31 | 36 | 26 | 26 | |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | ENE 9 | E 9 | E 9 | E 9 | ENE 9 | SSW 12 | E 9 | E 9 | E 8 | E 8 | SSE 8 | E 8 | E 9 | E 9 | SE 9 | SSW 8 | E 8 | SW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 |
17 | 16 | 17 | 15 | 6 | 6 | 16 | 26 | 6 | 6 | 6 | 1 | 55 | 1 | 1 | 1 | 3 | 39 | 5 | 17 | 33 | 23 | 23 | 20 | |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | E 16 | ENE 9 | NE 4 | — | — | — | S 12 | E 15 | E 15 | E 15 | E 8 | E 8 | SE 9 | E 8 | E 8 | E 8 | E 8 | E 8 |
3 | 3 | 3 | 3 | 3 | 3 | 5 | 16 | 3 | — | — | — | 11 | 4 | 4 | 4 | 1 | 1 | 3 | 5 | 1 | 1 | 5 | 5 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 7 | SSW 2 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 14 | 1 | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 61 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 58 | 58 | 0 | 0 | 0 | 0 | 0 | 0 | 103 | 523 | 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)












