Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (08 Sep):
- Afternoon surf: Afternoon surf (08 Sep, local time) - 6ft (1.8m), 9s period with S swell.
- Evening surf: Evening surf (08 Sep, local time) - 10ft (3.0m), 10s period with SSE swell.
The current surf forecast for Niyodo Rivermouth at 10PM is: 3.5m 10s primary swell from a South-southeast direction and 3.0m 10s secondary swell from a South-southeast direction (forecast issued at 02:00pm September 08). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Sep) | - | - |
| Afternoon (08 Sep) | 6ft (1.8m) | 9s |
| Evening (08 Sep) | 10ft (3.0m) | 10s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 84mm), heaviest during Tue night. Warm (max 27°C on Tue afternoon, min 22°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Tue 8 | Wednesday 9 | Thursday 10 | ||||||||||||||||||
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) | S 9 | S 9 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 431 | 568 | 1601 | 1966 | 1863 | 1916 | 1848 | 1108 | 498 | 400 | 383 | 338 | 230 | 188 | 188 | 158 | 158 | 151 | 177 | 169 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-off | cross-off | cross | off | cross-off | cross-off | off | off | off | off | off | off | off | glassy | glassy | glassy | glassy |
High Tide | 4:57PM1.71m | 4:03AM1.71m | 5:26PM1.79m | 4:52AM1.83m | 5:53PM1.84m | |||||||||||||||
Low Tide | 10:32PM0.91m | 10:46AM0.15m | 11:08PM0.74m | 11:25AM0.13m | ||||||||||||||||
 |  | |  |  |  | |  |  | |  |  | |  | | | | | | | |
 | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — |
 | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:19 | — |
mm | 5 | 3 | 3 | 3 | 4 | 20 | 25 | 12 | 4 | 1 | — | — | — | — | — | 1 | — | — | 1 | 1 |
Temp °C | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 24 | 23 | 23 | 22 | 22 | 22 | 23 | 25 | 23 | 23 |
Feels °C | 31 | 32 | 31 | 30 | 29 | 29 | 32 | 31 | 28 | 27 | 25 | 24 | 24 | 23 | 23 | 23 | 26 | 28 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | SSE 10 | SSE 10 | E 19 | E 19 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
| kJ | 431 | 568 | 1247 | 1593 | 7 | 7 | 1469 | 892 | 498 | 400 | 383 | 338 | 230 | 188 | 188 | 158 | 158 | 151 | 177 | 169 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 10 | — | — | — | — | E 18 | E 18 | E 18 | E 18 | E 18 | NE 5 | ENE 7 | E 7 | ENE 7 | ENE 7 | E 5 | ENE 5 | E 15 | E 15 |
| kJ | 237 | 56 | — | — | — | — | 6 | 6 | 6 | 6 | 6 | 7 | 33 | 27 | 21 | 28 | 13 | 9 | 17 | 39 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | — | — | — | — | — | — | — | E 18 | E 18 | — | E 17 | SSW 8 | SSW 8 | S 8 | SSW 8 | SSW 8 | E 15 | E 18 | SSW 8 |
| kJ | 40 | — | — | — | — | — | — | — | 6 | 6 | — | 23 | 23 | 22 | 5 | 7 | 13 | 18 | 6 | 11 |
Wind waves Height (m) Direction Period (s) | — | ESE 8 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | S 9 | WSW 6 | — | NE 4 | N 2 | NNW 3 | N 2 | NNW 3 | NE 6 | ENE 5 | ENE 5 | NE 4 | NE 5 |
| kJ | — | 220 | 1601 | 1966 | 1863 | 1916 | 1848 | 1108 | 62 | — | 8 | 1 | 1 | 1 | 1 | 181 | 26 | 19 | 9 | 12 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 29 | 9 | 58 | 183 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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