Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (21 Sep):
- Evening surf: Evening surf (21 Sep, local time) - 5.5ft (1.7m), 11s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 11PM is: 1.5m 11s primary swell from a East direction and 0.1m 9s secondary swell from a South direction (forecast issued at 08:00pm September 21). An open ocean swell of 0.6m 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 (21 Sep) | - | - |
| Afternoon (21 Sep) | - | - |
| Evening (21 Sep) | 5.5ft (1.7m) | 11s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Tue morning, min 19°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||
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) | ESE 11 | ESE 11 | ESE 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | ESE 8 | ESE 8 | ESE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 |
Wave Graph  | ||||||||||||||||||
 kJ | 1249 | 724 | 443 | 250 | 154 | 110 | 83 | 59 | 39 | 22 | 13 | 6 | 16 | 14 | 14 | 8 | 8 | 8 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | glassy | glassy | glassy | off | off | off | off | glassy | on | on | glassy | glassy |
High Tide | 4:10PM1.43m | 2:22AM1.37m | 4:26PM1.53m | 3:23AM1.49m | 4:45PM1.62m | |||||||||||||
Low Tide | 9:35PM1.14m | 9:26AM0.53m | 10:02PM1.00m | 10:04AM0.43m | ||||||||||||||
 |  |  | |  | | | | | | | | | | | | | | |
 | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | 6:04 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:01 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 23 | 21 | 20 | 20 | 25 | 28 | 28 | 25 | 22 | 21 | 20 | 19 | 24 | 25 | 25 | 24 | 22 |
Feels °C | 24 | 22 | 20 | 19 | 19 | 24 | 28 | 29 | 28 | 23 | 22 | 20 | 18 | 25 | 25 | 26 | 27 | 24 |
Swell 1 Height (m) Direction Period (s) | ESE 11 | ESE 11 | ESE 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | ESE 8 | ENE 6 | ENE 6 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 |
| kJ | 1249 | 724 | 443 | 250 | 154 | 110 | 83 | 59 | 39 | 22 | 13 | 13 | 16 | 14 | 14 | 8 | 7 | 7 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 8 | SE 11 | SE 11 | S 8 | ENE 4 | SE 10 | ENE 6 | ESE 8 | ESE 8 | ENE 5 | E 4 | E 4 | S 8 | S 8 | SSE 9 |
| kJ | 2 | 1 | 1 | 1 | 18 | 4 | 5 | 2 | 15 | 8 | 13 | 6 | 5 | 1 | 1 | 5 | 5 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | N 6 | S 8 | S 8 | S 8 | N 3 | S 8 | E 5 | SSE 9 | S 8 | SE 9 | S 8 | S 8 | S 8 | SSE 9 | SSE 9 | S 8 |
| kJ | — | — | 1 | 6 | 6 | 5 | 1 | 5 | 2 | 8 | 5 | 3 | 5 | 5 | 5 | 8 | 8 | 5 |
Wind waves Height (m) Direction Period (s) | NNW 4 | NNW 4 | NNW 4 | NNW 4 | NNW 3 | N 3 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 12 | 11 | 10 | 7 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 0 | 55 | 55 | 55 | 55 | 279 | 906 | 906 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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