Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (22 Aug):
- Evening surf: Evening surf (22 Aug, local time) - 2.5ft (0.7m), 8s period with SSW swell.
The current surf forecast for Niyodo Rivermouth at 11PM is: 0.7m 8s primary swell from a South-southwest direction and 0.4m 10s secondary swell from a East direction (forecast issued at 08:00pm August 22). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Aug) | - | - |
| Afternoon (22 Aug) | - | - |
| Evening (22 Aug) | 2.5ft (0.7m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Tue afternoon. Warm (max 30°C on Sun morning, min 25°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Sat 22 | Sunday 23 | Monday 24 | ||||||||||||||||
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 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SE 12 | SE 12 | SE 13 | SE 13 | SE 16 | SE 18 | SE 16 | SE 17 | SE 16 |
Wave Graph | ||||||||||||||||||
96 | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 120 | 93 | 132 | 168 | 322 | 522 | 942 | 2621 | 3978 | |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | glassy | glassy | glassy | on | on | glassy | glassy | glassy | off | off | glassy | on | on | glassy | glassy |
High Tide | 4:35PM1.33m | 00:46AM1.36m | 4:50PM1.43m | 2:38AM1.41m | 5:10PM1.53m | |||||||||||||
Low Tide | 8:21PM1.28m | 9:06AM0.57m | 9:54PM1.19m | 9:59AM0.46m | ||||||||||||||
— | — | — | 5:31 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | |
6:44 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:42 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 26 | 25 | 25 | 28 | 30 | 30 | 28 | 27 | 26 | 25 | 25 | 28 | 30 | 29 | 28 | 27 |
Feels °C | 33 | 33 | 31 | 30 | 29 | 32 | 33 | 33 | 32 | 32 | 31 | 29 | 29 | 32 | 33 | 33 | 34 | 33 |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SE 12 | SE 13 | SE 13 | SE 16 | SE 14 | SE 16 | SE 17 | SE 16 |
96 | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 54 | 93 | 132 | 168 | 322 | 520 | 942 | 2621 | 3978 | |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | ESE 13 | E 10 | E 10 | E 10 | E 10 | SE 12 | S 8 | SSW 8 | SE 18 | SE 12 | SE 18 | SE 18 | E 12 | E 16 |
31 | 31 | 31 | 30 | 55 | 35 | 31 | 30 | 30 | 120 | 34 | 27 | 152 | 146 | 522 | 657 | 46 | 20 | |
Swell 3 Height (m) Direction Period (s) | ESE 10 | ESE 13 | ESE 13 | ESE 13 | E 10 | SE 11 | SE 11 | SE 11 | ESE 11 | E 9 | SSW 8 | S 8 | SW 8 | E 12 | E 12 | S 8 | SW 8 | E 16 |
10 | 35 | 34 | 35 | 31 | 29 | 29 | 29 | 22 | 27 | 27 | 21 | 18 | 71 | 77 | 31 | 16 | 20 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 58 | 51 |
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)











