Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (29 Aug):
- Afternoon surf: Afternoon surf (29 Aug, local time) - 4.5ft (1.3m), 8s period with SSW swell.
- Evening surf: Evening surf (29 Aug, local time) - 3.5ft (1.0m), 5s period with SSW swell.
The current surf forecast for Niyodo Rivermouth at 10PM is: 1.0m 5s primary swell from a South-southwest direction and 0.7m 7s secondary swell from a South direction, 0.4m 11s secondary swell from a East direction (forecast issued at 02:00pm August 29). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | - | - |
| Afternoon (29 Aug) | 4.5ft (1.3m) | 8s |
| Evening (29 Aug) | 3.5ft (1.0m) | 5s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Sat afternoon. Warm (max 30°C on Sun morning, min 25°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | ||||||||||||||||||
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) | S 8 | SSW 8 | SSW 5 | SSW 5 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | S 7 | S 7 | SSW 8 | SSW 8 | S 8 | S 9 | S 8 | S 9 | S 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 115 | 176 | 64 | 56 | 136 | 117 | 91 | 89 | 89 | 89 | 69 | 66 | 66 | 87 | 94 | 68 | 94 | 92 | 73 | 74 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | glassy | glassy | glassy | glassy | glassy | on | on | on | glassy | glassy | cross-off | glassy | glassy | on | on | on | glassy |
High Tide | 6:56PM1.84m | 6:50AM1.86m | 7:19PM1.85m | 7:27AM1.82m | 7:43PM1.84m | |||||||||||||||
Low Tide | 00:51AM0.50m | 1:05PM0.28m | 1:22AM0.42m | 1:34PM0.40m | ||||||||||||||||
 |  | |  | |  |  | | | | |  | | | | | | | | | |
 | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | — | 6:35 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:32 | — |
mm | — | 2 | 3 | — | — | — | — | — | — | — | 2 | 3 | 1 | — | — | — | 1 | — | — | — |
Temp °C | 29 | 28 | 28 | 27 | 27 | 26 | 26 | 28 | 30 | 30 | 28 | 27 | 26 | 26 | 26 | 28 | 29 | 29 | 28 | 26 |
Feels °C | 33 | 32 | 33 | 33 | 33 | 31 | 31 | 33 | 34 | 35 | 33 | 33 | 31 | 31 | 31 | 33 | 33 | 32 | 33 | 31 |
Swell 1 Height (m) Direction Period (s) | E 12 | E 12 | S 7 | S 7 | E 10 | SSW 7 | SSW 7 | SSW 7 | SE 10 | SE 10 | SSW 7 | S 7 | S 7 | SSW 8 | SSW 8 | S 8 | S 9 | S 8 | S 9 | S 9 |
| kJ | 44 | 44 | 53 | 53 | 35 | 117 | 91 | 89 | 27 | 27 | 69 | 66 | 66 | 87 | 94 | 68 | 94 | 92 | 73 | 74 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | E 12 | E 11 | SE 11 | E 10 | E 11 | SE 10 | E 11 | E 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 14 | 13 | 43 | 41 | 19 | 33 | 20 | 28 | 21 | 21 | 36 | 37 | 16 | 26 | 17 | 16 | 25 | 24 | 24 | 24 |
Swell 3 Height (m) Direction Period (s) | SE 13 | SE 14 | SSE 11 | SE 11 | SSE 9 | SE 11 | SE 11 | E 11 | SE 10 | SW 10 | E 11 | E 11 | E 11 | E 11 | E 11 | SSW 10 | E 11 | E 11 | E 14 | E 14 |
| kJ | 7 | 7 | 12 | 19 | 8 | 19 | 30 | 22 | 4 | 4 | 21 | 21 | 21 | 21 | 9 | 10 | 9 | 9 | 16 | 37 |
Wind waves Height (m) Direction Period (s) | S 8 | SSW 8 | SSW 5 | SSW 5 | SSW 7 | — | — | — | SSW 7 | SSW 7 | — | — | — | SW 4 | SW 4 | SW 3 | — | — | — | — |
| kJ | 115 | 176 | 64 | 56 | 136 | — | — | — | 89 | 89 | — | — | — | 6 | 6 | 4 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 51 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 51 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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