
Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (20 Jul):
- Afternoon surf: Afternoon surf (20 Jul, local time) - 2ft (0.6m), 9s period with E swell.
- Evening surf: Evening surf (20 Jul, local time) - 2ft (0.6m), 9s period with E swell.
The current surf forecast for Niyodo Rivermouth at 10PM is: 0.6m 9s primary swell from a East direction and 0.2m 4s secondary swell from a South-southwest direction (forecast issued at 02:00pm July 20). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | - | - |
| Afternoon (20 Jul) | 2ft (0.6m) | 9s |
| Evening (20 Jul) | 2ft (0.6m) | 9s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Wed afternoon. Warm (max 31°C on Mon afternoon, min 27°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||
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) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 11 | E 11 | E 10 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 10 | E 10 | E 11 | E 10 | E 10 | E 10 | E 10 |
Wave Graph | ||||||||||||||||||||
60 | 60 | 59 | 60 | 60 | 42 | 58 | 58 | 55 | 22 | 22 | 22 | 22 | 21 | 22 | 36 | 33 | 18 | 17 | 18 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | glassy | glassy | glassy | glassy | glassy | on | on | glassy | glassy | glassy | glassy | glassy | glassy | on | on | glassy | glassy |
High Tide | 10:14PM1.63m | 10:51AM1.37m | 10:46PM1.56m | 12:17PM1.26m | ||||||||||||||||
Low Tide | 3:50PM0.66m | 4:44AM0.67m | 4:25PM0.85m | 5:45AM0.66m | 5:07PM1.03m | |||||||||||||||
— | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | |
— | — | 7:14 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:12 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 31 | 31 | 30 | 28 | 27 | 27 | 27 | 29 | 30 | 30 | 29 | 28 | 27 | 27 | 27 | 30 | 30 | 30 | 29 | 28 |
Feels °C | 35 | 35 | 35 | 34 | 32 | 33 | 32 | 34 | 34 | 34 | 35 | 35 | 33 | 33 | 32 | 36 | 34 | 35 | 35 | 34 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 11 | E 11 | E 10 | E 8 | E 8 | E 8 | E 8 | ESE 10 | E 10 | E 11 | E 10 | E 10 | E 10 | E 10 |
60 | 60 | 59 | 60 | 60 | 42 | 58 | 58 | 55 | 12 | 12 | 12 | 12 | 21 | 18 | 36 | 33 | 18 | 17 | 18 | |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SSW 4 | SSE 8 | SSW 7 | SSE 8 | SSE 8 | SSE 8 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | E 8 | ESE 10 | ESE 10 | ESE 11 | ESE 11 | SSW 4 | SSW 4 |
14 | 14 | 7 | 2 | 13 | 5 | 7 | 7 | 7 | 22 | 22 | 22 | 22 | 12 | 22 | 10 | 11 | 11 | 2 | 2 | |
Swell 3 Height (m) Direction Period (s) | SSW 5 | ESE 12 | ESE 11 | SSE 8 | SSW 3 | SSE 8 | SSW 3 | — | E 13 | SSE 8 | SSE 8 | E 11 | E 11 | E 11 | SSW 3 | SSE 8 | SSE 8 | SSE 8 | ESE 10 | ESE 11 |
2 | 14 | 13 | 7 | 1 | 7 | 1 | — | 3 | 6 | 6 | 9 | 9 | 10 | 1 | 6 | 6 | 6 | 11 | 11 | |
Wind waves Height (m) Direction Period (s) | — | SSW 4 | SSW 4 | — | SSW 7 | — | SW 8 | — | SSW 8 | SSW 2 | SSW 3 | SSW 3 | SSW 3 | SSW 3 | — | SSW 3 | SSW 3 | SSW 4 | SW 4 | — |
— | 2 | 4 | — | 5 | — | 9 | — | 6 | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 | 3 | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 51 | 573 | 51 | 0 | 0 | 0 | 0 | 0 | 51 | 906 | 51 | 229 | 51 | 29 | 29 | 0 | 51 | 647 | 283 | 279 |
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)











