Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 1.5ft (0.4m), 8s period with SE swell.
- Afternoon surf: Afternoon surf (23 Sep, local time) - 1ft (0.3m), 7s period with SE swell.
- Evening surf: Evening surf (23 Sep, local time) - 1ft (0.3m), 7s period with SE swell.
The current surf forecast for Niyodo Rivermouth at 5AM is: 0.4m 8s primary swell from a Southeast direction (forecast issued at 08:00pm September 22). An open ocean swell of 0.4m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 1.5ft (0.4m) | 8s |
| Afternoon (23 Sep) | 1ft (0.3m) | 7s |
| Evening (23 Sep) | 1ft (0.3m) | 7s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Wed morning, min 20°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Tue 22 | Wednesday 23 | Thursday 24 | ||||||||||||||||
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) | E 9 | ESE 8 | SE 8 | ESE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SSE 9 | E 10 | SE 9 | E 10 | SE 8 | SSE 8 | SE 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 39 | 22 | 17 | 6 | 16 | 14 | 14 | 8 | 8 | 8 | 11 | 8 | 8 | 12 | 7 | 11 | 7 | 11 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | off | off | off | off | glassy | on | on | glassy | glassy | cross-off | off | off | glassy | on | on | glassy | off |
High Tide | 4:26PM1.53m | 3:23AM1.49m | 4:45PM1.62m | 4:07AM1.63m | 5:04PM1.71m | |||||||||||||
Low Tide | 10:02PM1.00m | 10:04AM0.43m | 10:28PM0.84m | 10:36AM0.35m | ||||||||||||||
 |  | | | | | | | |  | | | |  | | | | | |
 | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | 6:02 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 23 | 21 | 20 | 20 | 24 | 26 | 25 | 24 | 23 | 22 | 22 | 21 | 24 | 26 | 26 | 24 | 22 |
Feels °C | 28 | 25 | 22 | 20 | 20 | 25 | 27 | 26 | 27 | 26 | 25 | 24 | 22 | 27 | 28 | 28 | 27 | 24 |
Swell 1 Height (m) Direction Period (s) | E 9 | ESE 8 | E 6 | E 6 | ENE 4 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 6 | SSE 9 | SE 9 | SSE 9 | SE 8 | SSE 8 | SE 8 |
| kJ | 39 | 22 | 20 | 20 | 4 | 14 | 14 | 8 | 7 | 7 | 11 | 8 | 7 | 12 | 7 | 11 | 7 | 11 |
Swell 2 Height (m) Direction Period (s) | ENE 6 | ENE 6 | SE 8 | ESE 8 | SE 8 | E 4 | E 4 | E 4 | E 4 | SSE 9 | SSE 9 | SSE 9 | ESE 6 | E 10 | E 10 | E 10 | E 6 | E 9 |
| kJ | 13 | 13 | 17 | 6 | 16 | 3 | 1 | 1 | 1 | 8 | 8 | 8 | 4 | 8 | 7 | 7 | 3 | 6 |
Swell 3 Height (m) Direction Period (s) | SE 10 | S 8 | S 8 | E 8 | S 8 | S 8 | S 8 | S 8 | SSE 9 | S 8 | S 8 | S 8 | E 10 | S 7 | SE 6 | S 7 | S 7 | E 6 |
| kJ | 15 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 8 | 4 | 4 | 4 | 8 | 4 | 1 | 4 | 4 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | NE 6 | — | NE 5 | NE 5 | ENE 4 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 124 | — | 32 | 24 | 8 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 55 | 55 | 55 | 233 | 233 | 330 | 906 | 283 | 645 | 585 | 344 | 344 | 573 | 615 | 573 | 573 | 627 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
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Ocean Swells (m)- Wind Speed (km/h)
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