Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (26 Aug):
- Morning surf: Morning surf (26 Aug, local time) - 6.5ft (2.0m), 12s period with S swell.
- Afternoon surf: Afternoon surf (26 Aug, local time) - 6ft (1.8m), 12s period with S swell.
- Evening surf: Evening surf (26 Aug, local time) - 5ft (1.5m), 11s period with SSW swell.
The current surf forecast for Niyodo Rivermouth at 1AM is: 2.5m 12s primary swell from a South-southeast direction and 0.5m 14s secondary swell from a East direction (forecast issued at 08:00pm August 25). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Aug) | 6.5ft (2.0m) | 12s |
| Afternoon (26 Aug) | 6ft (1.8m) | 12s |
| Evening (26 Aug) | 5ft (1.5m) | 11s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Fri afternoon. Warm (max 30°C on Wed morning, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Tue 25 | Wednesday 26 | Thursday 27 | ||||||||||||||||
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 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 | 3521 | 2853 | 2422 | 1898 | 1480 | 1055 | 1170 | 879 | 805 | 515 | 505 | 419 | 331 | 275 | 232 | 226 | 201 | 188 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | off | glassy | glassy | glassy | on | on | on | glassy | glassy | glassy | glassy | glassy | 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 | — | — | — | — | — |
Temp °C | 29 | 27 | 26 | 26 | 26 | 29 | 30 | 30 | 29 | 28 | 27 | 27 | 26 | 28 | 30 | 29 | 28 | 27 |
Feels °C | 34 | 33 | 30 | 31 | 30 | 34 | 34 | 34 | 34 | 34 | 33 | 33 | 31 | 33 | 34 | 33 | 33 | 33 |
Swell 1 Height (m) Direction Period (s) | 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 |
| kJ | 3521 | 2853 | 2422 | 1898 | 1480 | 1055 | 1170 | 879 | 805 | 515 | 505 | 419 | 331 | 275 | 232 | 226 | 201 | 188 |
Swell 2 Height (m) Direction Period (s) | E 14 | E 14 | E 14 | E 13 | SE 10 | SE 10 | E 13 | SE 9 | SE 9 | SSE 9 | SSE 9 | SE 8 | SE 9 | SSE 8 | SSE 8 | SSW 9 | SSW 9 | SSW 8 |
| kJ | 103 | 100 | 91 | 88 | 167 | 262 | 83 | 242 | 206 | 238 | 197 | 162 | 178 | 147 | 112 | 158 | 121 | 111 |
Swell 3 Height (m) Direction Period (s) | 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 | 37 | — | — | 87 | 85 | 85 | 12 | 82 | 82 | 79 | 73 | 71 | 44 | 44 | 44 | 42 | 42 | 39 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 51 | 9 | 9 | 0 | 0 | 0 | 51 | 51 | 9 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 9 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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