Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (04 Sep):
- Morning surf: Morning surf (04 Sep, local time) - 6ft (1.8m), 10s period with S swell.
- Afternoon surf: Afternoon surf (04 Sep, local time) - 6ft (1.8m), 10s period with S swell.
- Evening surf: Evening surf (04 Sep, local time) - 4.5ft (1.4m), 10s period with S swell.
The current surf forecast for Niyodo Rivermouth at 12PM is: 1.8m 10s primary swell from a South direction and 0.4m 10s secondary swell from a East direction (forecast issued at 08:00am September 04). An open ocean swell of 1.0m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Sep) | 6ft (1.8m) | 10s |
| Afternoon (04 Sep) | 6ft (1.8m) | 10s |
| Evening (04 Sep) | 4.5ft (1.4m) | 10s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 168mm), heaviest during Fri afternoon. Warm (max 28°C on Sun morning, min 20°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||||||||
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 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 10 | SSW 10 | SSW 10 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 7 | ESE 8 | E 9 | ESE 9 | E 10 | E 10 | E 11 | E 11 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 657 | 618 | 625 | 612 | 464 | 377 | 227 | 218 | 235 | 277 | 285 | 279 | 236 | 270 | 456 | 695 | 1119 | 1331 | 1672 | 2016 | 4231 | 5915 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | off | off | cross-off | glassy | cross-off | off | cross-off | glassy | glassy | off | off | off | cross-off | cross-off | off | off | cross-off | off | off | off |
High Tide | 11:15AM1.35m | 9:51PM1.57m | 1:52PM1.33m | 11:11PM1.47m | 3:38PM1.46m | |||||||||||||||||
Low Tide | 4:17AM0.45m | 3:53PM1.10m | 5:43AM0.50m | 5:37PM1.25m | 7:35AM0.47m | 8:37PM1.23m | ||||||||||||||||
 |  |  | | |  |  |  | |  | | | |  |  | | | |  | | | | |
 | 5:39 | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — |
 | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — |
mm | — | 1 | 20 | 53 | 13 | 9 | 12 | 5 | — | 1 | 1 | 1 | 1 | — | 1 | 2 | 1 | 1 | — | 11 | 15 | 10 |
Temp °C | 25 | 26 | 21 | 21 | 21 | 20 | 20 | 22 | 23 | 23 | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 26 | 28 | 25 | 24 | 24 |
Feels °C | 29 | 31 | 20 | 23 | 24 | 22 | 22 | 24 | 26 | 26 | 28 | 27 | 27 | 27 | 28 | 27 | 27 | 30 | 32 | 28 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | E 7 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 9 | SSW 9 | SSW 9 | E 11 | E 11 |
| kJ | 657 | 618 | 625 | 612 | 464 | 377 | 227 | 218 | 235 | 201 | 285 | 177 | 169 | 134 | 103 | 80 | 57 | 45 | 27 | 16 | 2582 | 3762 |
Swell 2 Height (m) Direction Period (s) | E 10 | — | E 10 | E 10 | E 10 | E 14 | SSE 8 | SSE 8 | E 16 | SSE 7 | SSW 9 | — | E 13 | E 13 | E 13 | — | — | — | S 15 | SE 14 | SSE 10 | SSE 11 |
| kJ | 47 | — | 30 | 30 | 16 | 4 | 39 | 34 | 5 | 11 | 216 | — | 3 | 3 | 3 | — | — | — | 4 | 8 | 40 | 197 |
Swell 3 Height (m) Direction Period (s) | SE 10 | — | — | E 15 | E 15 | E 15 | SE 9 | SE 9 | E 14 | E 16 | — | — | — | — | — | — | — | — | — | — | SSW 9 | SSW 9 |
| kJ | 15 | — | — | 4 | 4 | 4 | 13 | 13 | 4 | 5 | — | — | — | — | — | — | — | — | — | — | 16 | 8 |
Wind waves Height (m) Direction Period (s) | ENE 4 | E 10 | E 4 | ENE 5 | ENE 6 | ENE 7 | ENE 6 | E 6 | E 7 | E 7 | — | E 7 | E 7 | E 7 | ESE 7 | ESE 8 | E 9 | ESE 9 | E 10 | E 10 | E 11 | E 11 |
| kJ | 10 | 154 | 41 | 66 | 117 | 231 | 170 | 110 | 178 | 277 | — | 279 | 236 | 270 | 456 | 695 | 1119 | 1331 | 1672 | 2016 | 4231 | 5915 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 9 | 9 | 9 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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