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), 7s 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 2PM is: 0.3m 7s primary swell from a Southeast direction and 0.2m 8s secondary swell from a South direction (forecast issued at 08:00am September 23). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 1.5ft (0.4m) | 7s |
| 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 21°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||
Wednesday 23 | Thursday 24 | Friday 25 | ||||||||||||||||||||
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) | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SSE 9 | SSE 9 | E 10 | E 10 | E 10 | SSE 8 | SE 8 | SE 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 16 | 14 | 14 | 8 | 8 | 8 | 8 | 7 | 7 | 8 | 7 | 16 | 7 | 11 | 11 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | on | on | glassy | glassy | cross-off | off | off | glassy | on | on | glassy | cross-off | off | off | off | glassy | on | on | glassy | glassy |
High Tide | 3:23AM1.49m | 4:45PM1.62m | 4:07AM1.63m | 5:04PM1.71m | 4:46AM1.75m | 5:25PM1.78m | ||||||||||||||||
Low Tide | 10:04AM0.43m | 10:28PM0.84m | 10:36AM0.35m | 10:54PM0.68m | 11:07AM0.31m | |||||||||||||||||
 | | | | |  | |  | |  | | | | | | | | | | | | | |
 | 5:52 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | 5:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 25 | 26 | 26 | 24 | 23 | 22 | 22 | 21 | 25 | 26 | 26 | 25 | 23 | 21 | 21 | 21 | 24 | 26 | 26 | 24 | 23 |
Feels °C | 20 | 27 | 27 | 27 | 27 | 26 | 24 | 24 | 22 | 28 | 28 | 28 | 28 | 26 | 22 | 21 | 21 | 26 | 27 | 28 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | ENE 4 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 6 | SSE 9 | SSE 9 | E 10 | E 10 | SSE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | E 5 | E 9 | E 4 | E 9 |
| kJ | 3 | 14 | 14 | 8 | 7 | 7 | 7 | 6 | 7 | 7 | 7 | 16 | 7 | 11 | 11 | 7 | 7 | 7 | 2 | 6 | 1 | 7 |
Swell 2 Height (m) Direction Period (s) | SE 8 | E 4 | S 8 | S 8 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | ESE 6 | E 10 | SSE 9 | SSE 8 | E 6 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 4 | E 9 | SSE 8 |
| kJ | 16 | 1 | 5 | 5 | 8 | 8 | 8 | 7 | 4 | 8 | 7 | 7 | 3 | 6 | 6 | 6 | 6 | 6 | 6 | 1 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | S 8 | S 8 | E 4 | SSE 9 | S 8 | S 8 | S 8 | S 8 | S 7 | ESE 6 | SE 6 | SE 6 | S 7 | E 6 | E 6 | S 7 | E 6 | ENE 5 | SSE 8 | SSE 8 | SSE 8 | E 4 |
| kJ | 5 | 5 | 1 | 8 | 5 | 4 | 4 | 4 | 4 | 4 | 1 | 1 | 4 | 3 | 3 | 4 | 2 | 3 | 7 | 7 | 7 | 1 |
Wind waves Height (m) Direction Period (s) | — | NE 5 | NE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 5 | ENE 5 | ENE 5 | — | — | — |
| kJ | — | 12 | 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 8 | 16 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 233 | 233 | 906 | 906 | 653 | 581 | 338 | 344 | 344 | 573 | 573 | 573 | 616 | 573 | 622 | 1505 | 2398 | 338 | 338 | 2398 | 638 | 585 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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