Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (23 Aug):
- Morning surf: Morning surf (23 Aug, local time) - 2.5ft (0.7m), 8s period with SSW swell.
- Afternoon surf: Afternoon surf (23 Aug, local time) - 2.5ft (0.7m), 8s period with SSW swell.
- Evening surf: Evening surf (23 Aug, local time) - 2ft (0.6m), 12s period with SE swell.
The current surf forecast for Niyodo Rivermouth at 5PM is: 0.7m 8s primary swell from a South-southwest direction and 0.4m 10s secondary swell from a East direction (forecast issued at 08:00am August 23). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | 2.5ft (0.7m) | 8s |
| Afternoon (23 Aug) | 2.5ft (0.7m) | 8s |
| Evening (23 Aug) | 2ft (0.6m) | 12s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 30°C on Sun morning, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 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) | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SE 12 | SE 12 | SE 13 | SE 13 | SE 19 | SE 18 | SE 17 | SE 16 | SE 16 | SE 16 | SE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 14 | SSE 14 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 72 | 72 | 72 | 72 | 72 | 120 | 93 | 132 | 168 | 621 | 844 | 2180 | 3296 | 3589 | 3784 | 3746 | 6041 | 5298 | 5364 | 4986 | 4463 | 3779 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | on | on | glassy | glassy | glassy | glassy | glassy | glassy | on | on | on | glassy | glassy | glassy | off | glassy | on | on | glassy | glassy |
High Tide | 4:50PM1.43m | 2:38AM1.41m | 5:10PM1.53m | 3:40AM1.52m | 5:30PM1.61m | |||||||||||||||||
Low Tide | 9:06AM0.57m | 9:54PM1.19m | 9:59AM0.46m | 10:30PM1.08m | 10:37AM0.35m | |||||||||||||||||
 | | | | |  | | | | | | |  | | | | | | | | | | |
 | 5:31 | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:39 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 28 | 30 | 30 | 28 | 27 | 26 | 26 | 25 | 28 | 30 | 29 | 28 | 27 | 26 | 25 | 25 | 27 | 29 | 29 | 28 | 26 |
Feels °C | 29 | 32 | 33 | 34 | 33 | 33 | 32 | 31 | 30 | 33 | 34 | 32 | 33 | 33 | 32 | 30 | 30 | 31 | 32 | 32 | 33 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SE 12 | SE 13 | SE 13 | SE 19 | SE 18 | SE 17 | SE 16 | SE 16 | SE 16 | SE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 14 | SSE 14 |
| kJ | 72 | 72 | 72 | 72 | 72 | 54 | 93 | 132 | 168 | 621 | 844 | 2180 | 3296 | 3589 | 3784 | 3746 | 6041 | 5298 | 5364 | 4986 | 4463 | 3779 |
Swell 2 Height (m) Direction Period (s) | ESE 13 | E 10 | E 10 | E 10 | E 10 | SE 12 | S 8 | SSW 8 | SE 18 | SE 12 | SE 14 | S 8 | E 12 | SSE 20 | SSE 19 | SSE 18 | E 12 | E 15 | E 15 | E 14 | E 14 | E 14 |
| kJ | 55 | 35 | 31 | 30 | 30 | 120 | 34 | 27 | 162 | 146 | 520 | 28 | 72 | 1244 | 2022 | 2492 | 44 | 109 | 104 | 103 | 103 | 100 |
Swell 3 Height (m) Direction Period (s) | E 10 | SE 11 | SE 11 | SE 11 | ESE 11 | E 9 | SSW 8 | S 8 | SW 8 | E 12 | S 8 | E 12 | E 16 | E 16 | E 12 | E 12 | E 16 | — | — | — | E 11 | — |
| kJ | 31 | 29 | 29 | 29 | 22 | 27 | 27 | 21 | 18 | 73 | 33 | 47 | 5 | 20 | 44 | 44 | 19 | — | — | — | 37 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 58 | 58 | 9 | 0 | 9 | 9 | 9 | 9 | 82 | 58 | 9 | 9 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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