Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (28 Aug):
- Morning surf: Morning surf (28 Aug, local time) - 3.5ft (1.1m), 8s period with S swell.
- Afternoon surf: Afternoon surf (28 Aug, local time) - 3.5ft (1.0m), 7s period with S swell.
- Evening surf: Evening surf (28 Aug, local time) - 3ft (0.9m), 8s period with SSW swell.
The current surf forecast for Niyodo Rivermouth at 1PM is: 1.1m 7s primary swell from a South direction and 0.5m 13s secondary swell from a East direction, 0.8m 8s secondary swell from a South-southwest direction (forecast issued at 08:00am August 28). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Aug) | 3.5ft (1.1m) | 8s |
| Afternoon (28 Aug) | 3.5ft (1.0m) | 7s |
| Evening (28 Aug) | 3ft (0.9m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Fri afternoon. Warm (max 29°C on Fri morning, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | ||||||||||||||||||||
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) | S 8 | S 8 | S 7 | S 7 | E 13 | SSW 8 | S 8 | SSW 8 | SSW 8 | S 8 | S 8 | S 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 258 | 153 | 123 | 97 | 82 | 83 | 111 | 96 | 96 | 90 | 90 | 90 | 94 | 91 | 91 | 91 | 70 | 70 | 52 | 51 | 50 | 36 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | on | on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | on | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | on | on | on | glassy |
High Tide | 5:39AM1.81m | 6:34PM1.80m | 6:14AM1.86m | 6:56PM1.84m | 6:50AM1.86m | 7:19PM1.85m | ||||||||||||||||
Low Tide | 12:08PM0.18m | 00:21AM0.60m | 12:37PM0.21m | 00:51AM0.50m | 1:05PM0.28m | |||||||||||||||||
 |  |  | | |  |  | | | | | | | | |  | | | | | | | |
 | 5:35 | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:34 | — |
mm | 1 | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 27 | 28 | 29 | 29 | 28 | 27 | 27 | 26 | 26 | 28 | 29 | 29 | 28 | 27 | 26 | 26 | 25 | 28 | 29 | 29 | 28 | 26 |
Feels °C | 33 | 34 | 33 | 33 | 33 | 32 | 32 | 31 | 31 | 33 | 33 | 33 | 33 | 33 | 31 | 31 | 29 | 33 | 33 | 33 | 33 | 31 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 7 | S 7 | SSE 8 | SSW 8 | S 8 | SSW 8 | SSW 8 | S 8 | S 8 | E 12 | E 12 | E 11 | E 11 | SSW 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 |
| kJ | 258 | 153 | 123 | 97 | 76 | 83 | 111 | 96 | 96 | 90 | 90 | 44 | 42 | 40 | 38 | 91 | 70 | 70 | 52 | 51 | 50 | 36 |
Swell 2 Height (m) Direction Period (s) | ESE 11 | SSW 8 | E 13 | E 13 | E 13 | SSE 7 | E 12 | E 12 | E 12 | E 12 | E 12 | SE 9 | SE 11 | SE 11 | SE 11 | E 10 | E 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 40 | 59 | 85 | 82 | 82 | 48 | 75 | 72 | 44 | 44 | 44 | 14 | 19 | 19 | 19 | 33 | 36 | 28 | 27 | 27 | 36 | 27 |
Swell 3 Height (m) Direction Period (s) | SW 8 | ESE 11 | SSW 8 | SSE 8 | SW 11 | E 13 | SE 9 | SE 9 | SSE 9 | SE 9 | SE 9 | SE 14 | SE 9 | SSE 9 | SE 9 | SE 11 | SE 11 | E 11 | E 11 | E 11 | E 11 | E 11 |
| kJ | 17 | 39 | 22 | 24 | 4 | 80 | 14 | 14 | 8 | 14 | 14 | 7 | 3 | 8 | 3 | 19 | 18 | 22 | 21 | 21 | 21 | 21 |
Wind waves Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | — | — | — | — | — | — | S 8 | SSW 8 | SSW 7 | SSW 7 | — | — | — | — | — | — | — |
| kJ | 146 | 103 | 80 | 78 | 78 | — | — | — | — | — | — | 90 | 94 | 91 | 91 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 51 | 51 | 51 | 51 | 51 | 51 | 0 | 0 | 51 | 51 | 0 | 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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