Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (04 Sep):
- Afternoon surf: Afternoon surf (04 Sep, local time) - 5.5ft (1.7m), 10s period with S swell.
- Evening surf: Evening surf (04 Sep, local time) - 5ft (1.6m), 10s period with S swell.
The current surf forecast for Niyodo Rivermouth at 7PM is: 1.6m 10s primary swell from a South direction and 0.3m 10s secondary swell from a East direction (forecast issued at 02:00pm September 04). An open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Sep) | - | - |
| Afternoon (04 Sep) | 5.5ft (1.7m) | 10s |
| Evening (04 Sep) | 5ft (1.6m) | 10s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 162mm), heaviest during Fri afternoon. Warm (max 26°C on Sat afternoon, min 21°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Fri 4 | Saturday 5 | Sunday 6 | ||||||||||||||||||
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 10 | S 10 | S 10 | S 10 | SSW 10 | SSW 10 | S 10 | SSW 9 | E 7 | SSW 9 | E 7 | E 6 | E 6 | E 7 | E 8 | SE 10 | E 9 | E 10 | E 11 | E 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 625 | 546 | 522 | 480 | 263 | 218 | 262 | 248 | 245 | 203 | 166 | 166 | 272 | 416 | 332 | 555 | 1817 | 2141 | 2930 | 3927 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | glassy | cross-off | glassy | glassy | cross-off | off | off | glassy | glassy | off | off | off | off | off | cross-off | off | cross-off | off |
High Tide | 9:51PM1.57m | 1:52PM1.33m | 11:11PM1.47m | 3:38PM1.46m | ||||||||||||||||
Low Tide | 3:53PM1.10m | 5:43AM0.50m | 5:37PM1.25m | 7:35AM0.47m | 8:37PM1.23m | |||||||||||||||
 | | |  | |  |  |  | | | |  | | | | | | |  |  | |
 | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — |
 | — | — | 6:28 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — |
mm | 16 | 52 | 16 | 2 | 2 | 1 | — | 1 | — | — | — | — | 1 | 2 | 1 | — | 1 | 4 | 8 | 8 |
Temp °C | 24 | 22 | 22 | 21 | 21 | 22 | 22 | 23 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 25 | 24 | 23 |
Feels °C | 26 | 24 | 25 | 23 | 24 | 25 | 24 | 26 | 29 | 30 | 30 | 28 | 27 | 27 | 27 | 28 | 30 | 29 | 28 | 26 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | SSW 10 | SSW 10 | E 7 | SSW 9 | E 7 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SE 8 | SE 10 | SSW 9 | SSW 9 | E 11 | E 11 |
| kJ | 625 | 546 | 522 | 480 | 263 | 218 | 154 | 248 | 245 | 202 | 166 | 134 | 103 | 55 | 256 | 535 | 16 | 16 | 2481 | 2500 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 5 | E 10 | E 9 | SSE 8 | SSE 8 | S 10 | — | SSW 9 | — | E 9 | SSE 7 | E 13 | E 13 | SSW 8 | SSW 9 | S 9 | SSE 10 | SSE 10 | SSE 10 |
| kJ | 30 | 47 | 16 | 16 | 47 | 34 | 262 | — | 188 | — | 15 | 5 | 3 | 3 | 41 | 31 | 2 | 10 | 85 | 208 |
Swell 3 Height (m) Direction Period (s) | — | E 10 | E 15 | E 14 | E 7 | SE 9 | E 16 | E 14 | SSE 7 | — | E 13 | E 13 | — | — | E 13 | — | — | SE 14 | SSW 9 | SW 9 |
| kJ | — | 30 | 4 | 4 | 37 | 13 | 5 | 4 | 28 | — | 3 | 3 | — | — | 3 | — | — | 7 | 8 | 3 |
Wind waves Height (m) Direction Period (s) | ENE 4 | NNE 4 | ENE 6 | ENE 6 | ENE 6 | E 6 | NE 4 | E 7 | — | ESE 7 | E 7 | E 6 | E 6 | E 7 | E 8 | E 8 | E 9 | E 10 | E 11 | E 11 |
| kJ | 31 | 21 | 89 | 101 | 77 | 74 | 19 | 203 | — | 203 | 148 | 166 | 272 | 416 | 332 | 555 | 1817 | 2141 | 2930 | 3927 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 9 | 9 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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