Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (25 Aug):
- Afternoon surf: Afternoon surf (25 Aug, local time) - 11ft (3.5m), 14s period with SSE swell.
- Evening surf: Evening surf (25 Aug, local time) - 10ft (3.0m), 13s period with SSE swell.
The current surf forecast for Niyodo Rivermouth at 7PM is: 3.0m 13s primary swell from a South-southeast direction and 0.5m 14s secondary swell from a East direction (forecast issued at 02:00pm August 25). The wind direction is predicted to be glassy and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Aug) | - | - |
| Afternoon (25 Aug) | 11ft (3.5m) | 14s |
| Evening (25 Aug) | 10ft (3.0m) | 13s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Wed night. Warm (max 30°C on Tue afternoon, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Tue 25 | Wednesday 26 | Thursday 27 | ||||||||||||||||||
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 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | S 12 | S 12 | S 11 | S 12 | SSW 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | SSE 10 | SSE 9 | SSE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 3200 | 4247 | 3521 | 2853 | 2422 | 1898 | 1480 | 1055 | 1170 | 959 | 913 | 593 | 496 | 380 | 325 | 305 | 176 | 226 | 201 | 188 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | on | glassy | off | glassy | glassy | glassy | on | on | on | glassy | glassy | glassy | glassy | on | on | on | on | glassy |
High Tide | 5:30PM1.61m | 4:25AM1.63m | 5:51PM1.69m | 5:03AM1.74m | 6:12PM1.76m | |||||||||||||||
Low Tide | 10:58PM0.96m | 11:10AM0.25m | 11:25PM0.84m | 11:40AM0.20m | ||||||||||||||||
 | | |  | | | | | | |  | |  |  |  |  | | | | | |
 | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — |
 | — | — | 6:39 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 1 | — | — | 1 |
Temp °C | 30 | 30 | 28 | 27 | 26 | 26 | 26 | 29 | 30 | 30 | 29 | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 27 |
Feels °C | 33 | 34 | 33 | 33 | 31 | 31 | 31 | 34 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | S 12 | S 12 | S 11 | S 12 | SSW 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSE 8 | SSE 10 | SSE 9 | SSE 9 |
| kJ | 3200 | 4247 | 3521 | 2853 | 2422 | 1898 | 1480 | 1055 | 1170 | 959 | 913 | 593 | 496 | 380 | 325 | 305 | 143 | 226 | 201 | 188 |
Swell 2 Height (m) Direction Period (s) | S 16 | E 14 | E 14 | E 14 | E 14 | E 13 | SE 10 | SE 10 | E 13 | SE 9 | SE 9 | SSE 9 | SSE 9 | SSE 8 | SE 9 | SSE 9 | SSW 9 | SSW 9 | SSW 9 | SSW 8 |
| kJ | 1778 | 66 | 103 | 100 | 91 | 88 | 167 | 262 | 83 | 183 | 206 | 228 | 197 | 188 | 174 | 154 | 176 | 154 | 119 | 131 |
Swell 3 Height (m) Direction Period (s) | E 15 | E 11 | E 11 | — | — | E 13 | E 13 | E 13 | SE 18 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 11 |
| kJ | 67 | 36 | 37 | — | — | 87 | 85 | 85 | 12 | 82 | 82 | 79 | 74 | 71 | 44 | 68 | 44 | 42 | 42 | 39 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 51 | 9 | 9 | 9 | 9 | 0 | 0 | 0 | 51 | 51 | 51 | 0 | 0 | 0 | 0 | 51 | 51 | 51 | 51 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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