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 10AM is: 2.1m 11s primary swell from a South direction and 1.2m 10s secondary swell from a Southeast direction (forecast issued at 02:00am August 26). The wind direction is predicted to be onshore.
| 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 17mm), heaviest on Fri afternoon. Warm (max 30°C on Wed morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||||||||||||
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 | 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 12 | S 12 | S 12 | S 11 | S 12 | SSW 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSE 10 | SSE 9 | SSW 9 | SSE 9 | S 8 | S 8 | S 8 | SSW 8 | S 7 | SSW 8 | E 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2422 | 1898 | 1480 | 1055 | 1170 | 879 | 805 | 494 | 496 | 404 | 331 | 275 | 221 | 226 | 197 | 188 | 180 | 278 | 258 | 181 | 130 | 113 | 91 | 80 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | glassy | glassy | on | on | on | glassy | glassy | glassy | glassy | glassy | on | on | on | glassy | glassy | glassy | glassy | glassy | on | on | glassy | glassy |
High Tide | 4:25AM1.63m | 5:51PM1.69m | 5:03AM1.74m | 6:12PM1.76m | 5:39AM1.81m | 6:34PM1.80m | ||||||||||||||||||
Low Tide | 10:58PM0.96m | 11:10AM0.25m | 11:25PM0.84m | 11:40AM0.20m | 11:53PM0.72m | 12:08PM0.18m | ||||||||||||||||||
 |  |  | |  |  | | |  | |  | | | | | | | | | | | | | | |
 | — | 5:33 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | — | 1 | — | 1 | — | — | — | 1 | 3 | 3 | 1 |
Temp °C | 26 | 26 | 26 | 29 | 30 | 30 | 29 | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 27 | 27 | 26 | 26 | 28 | 29 | 28 | 28 | 27 |
Feels °C | 31 | 31 | 31 | 33 | 33 | 34 | 34 | 33 | 33 | 32 | 33 | 33 | 32 | 32 | 33 | 33 | 33 | 32 | 31 | 33 | 33 | 33 | 34 | 33 |
Swell 1 Height (m) Direction Period (s) | 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 10 | SSE 10 | SSE 9 | SSW 9 | SSE 9 | S 8 | S 8 | S 8 | S 7 | E 13 | SSE 8 | SSW 8 |
| kJ | 2422 | 1898 | 1480 | 1055 | 1170 | 879 | 805 | 494 | 496 | 404 | 331 | 275 | 221 | 226 | 197 | 168 | 180 | 278 | 258 | 181 | 130 | 85 | 64 | 47 |
Swell 2 Height (m) Direction Period (s) | E 14 | E 13 | SE 10 | SE 10 | E 13 | SE 9 | SE 9 | SSE 9 | SSE 9 | SE 8 | SSE 9 | SSE 8 | SSE 8 | SSW 9 | SSW 9 | SSE 9 | SW 8 | ESE 11 | E 11 | E 11 | E 13 | SSE 8 | E 13 | E 13 |
| kJ | 91 | 88 | 167 | 262 | 83 | 206 | 206 | 238 | 197 | 162 | 161 | 147 | 147 | 158 | 147 | 188 | 35 | 39 | 37 | 38 | 85 | 24 | 82 | 80 |
Swell 3 Height (m) Direction Period (s) | — | 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 | E 11 | SW 8 | E 14 | SE 10 | SSW 8 | SE 10 | SW 11 | SE 9 |
| kJ | — | 87 | 85 | 85 | 12 | 82 | 82 | 79 | 73 | 72 | 44 | 44 | 44 | 42 | 42 | 39 | 38 | 18 | 14 | 15 | 14 | 14 | 5 | 23 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 9 | SSW 8 | — | — | SSW 7 | SSW 8 | S 7 | SSW 8 | S 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 178 | 102 | — | — | 99 | 122 | 113 | 91 | 58 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 0 | 0 | 0 | 51 | 535 | 51 | 0 | 0 | 0 | 0 | 0 | 58 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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