Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (24 Aug):
- Morning surf: Morning surf (24 Aug, local time) - 3ft (0.9m), 19s period with SE swell.
- Afternoon surf: Afternoon surf (24 Aug, local time) - 7ft (2.1m), 17s period with SE swell.
- Evening surf: Evening surf (24 Aug, local time) - 10ft (3.0m), 16s period with SE swell.
The current surf forecast for Niyodo Rivermouth at 2PM is: 1.8m 17s primary swell from a Southeast direction and 0.4m 12s secondary swell from a East direction (forecast issued at 08:00am August 24). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Aug) | 3ft (0.9m) | 19s |
| Afternoon (24 Aug) | 7ft (2.1m) | 17s |
| Evening (24 Aug) | 10ft (3.0m) | 16s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Wed afternoon. Warm (max 30°C on Mon morning, min 25°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||
Monday 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||||||||
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) | SE 13 | SE 19 | SE 18 | SE 17 | SE 16 | SE 16 | SE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | SSW 12 | SSW 12 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 168 | 621 | 968 | 2352 | 3256 | 4158 | 4588 | 4734 | 4608 | 2866 | 3507 | 2497 | 2088 | 2021 | 3753 | 3141 | 2491 | 2074 | 1805 | 1843 | 1697 | 1369 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | on | on | glassy | glassy | glassy | glassy | off | on | on | on | glassy | cross-off | glassy | off | off | glassy | on | on | glassy | glassy |
High Tide | 5:10PM1.53m | 3:40AM1.52m | 5:30PM1.61m | 4:25AM1.63m | 5:51PM1.69m | |||||||||||||||||
Low Tide | 9:59AM0.46m | 10:30PM1.08m | 10:37AM0.35m | 10:58PM0.96m | 11:10AM0.25m | |||||||||||||||||
 | | | | |  | | | | | | | | | | | | | |  | | | |
 | 5:33 | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:38 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 26 | 28 | 30 | 30 | 28 | 27 | 26 | 25 | 25 | 28 | 29 | 30 | 28 | 26 | 25 | 25 | 26 | 29 | 30 | 30 | 29 | 27 |
Feels °C | 31 | 33 | 34 | 34 | 33 | 33 | 31 | 30 | 29 | 32 | 32 | 33 | 32 | 30 | 28 | 28 | 30 | 33 | 34 | 34 | 35 | 32 |
Swell 1 Height (m) Direction Period (s) | SE 13 | SE 19 | SE 18 | SE 17 | SE 16 | SE 16 | SE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | SSW 12 | SSW 12 |
| kJ | 168 | 621 | 968 | 2352 | 3256 | 4158 | 4588 | 4734 | 4608 | 2866 | 3507 | 2497 | 2088 | 2021 | 3753 | 3141 | 2491 | 2074 | 1805 | 1843 | 1697 | 1369 |
Swell 2 Height (m) Direction Period (s) | SE 18 | SE 12 | SE 14 | E 12 | E 12 | E 16 | E 16 | E 16 | SSE 18 | SSE 16 | E 12 | S 17 | S 15 | S 15 | E 14 | E 13 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 |
| kJ | 162 | 146 | 520 | 47 | 72 | 20 | 20 | 19 | 1202 | 1287 | 43 | 783 | 1164 | 1275 | 131 | 127 | 217 | 185 | 159 | 179 | 183 | 193 |
Swell 3 Height (m) Direction Period (s) | SW 8 | E 12 | S 8 | S 8 | E 16 | E 16 | E 16 | E 9 | E 12 | E 15 | E 15 | E 14 | E 14 | E 14 | — | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 |
| kJ | 18 | 73 | 33 | 18 | 5 | 20 | 20 | 14 | 98 | 109 | 38 | 103 | 103 | 100 | — | 125 | 85 | 121 | 84 | 82 | 82 | 79 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 58 | 51 | 0 | 9 | 9 | 9 | 9 | 58 | 58 | 51 | 0 | 0 | 9 | 9 | 0 | 0 | 51 | 51 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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