Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (28 Aug):
- 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 7PM is: 0.9m 8s primary swell from a South-southwest direction and 0.7m 8s secondary swell from a South-southeast direction, 0.5m 13s secondary swell from a East direction (forecast issued at 02:00pm August 28). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Aug) | - | - |
| 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 4mm), mostly falling on Fri afternoon. Warm (max 29°C on Fri afternoon, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | ||||||||||||||||||
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 7 | S 7 | E 13 | SSW 8 | S 8 | S 8 | S 8 | S 8 | SSW 8 | S 8 | S 7 | S 7 | SSW 7 | SSW 7 | SSW 7 | S 7 | S 7 | S 7 | S 7 | S 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 123 | 97 | 82 | 92 | 115 | 115 | 118 | 115 | 94 | 115 | 112 | 112 | 91 | 91 | 91 | 70 | 68 | 68 | 51 | 51 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | on | on | glassy | glassy | glassy | glassy | glassy | glassy | on | on | on | glassy |
High Tide | 6:34PM1.80m | 6:14AM1.86m | 6:56PM1.84m | 6:50AM1.86m | 7:19PM1.85m | |||||||||||||||
Low Tide | 00:21AM0.60m | 12:37PM0.21m | 00:51AM0.50m | 1:05PM0.28m | ||||||||||||||||
 |  | |  |  | |  | | | | | | | | | | | |  | | |
 | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | — | 6:37 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:34 | — |
mm | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 29 | 29 | 28 | 27 | 27 | 27 | 26 | 27 | 29 | 29 | 28 | 27 | 27 | 26 | 26 | 28 | 29 | 29 | 28 | 27 |
Feels °C | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 33 | 33 | 33 | 33 | 32 |
Swell 1 Height (m) Direction Period (s) | S 7 | S 7 | SSE 8 | SSE 7 | S 8 | E 12 | S 8 | S 8 | SSW 8 | E 12 | E 12 | E 11 | E 11 | E 10 | SSW 7 | S 7 | S 7 | S 7 | S 7 | S 7 |
| kJ | 123 | 97 | 76 | 48 | 115 | 72 | 118 | 115 | 94 | 44 | 43 | 41 | 38 | 33 | 91 | 70 | 68 | 68 | 51 | 51 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 13 | E 12 | SSE 9 | E 12 | E 12 | E 12 | SE 9 | SSE 11 | SE 11 | SE 11 | SE 11 | E 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 85 | 82 | 82 | 80 | 75 | 8 | 45 | 44 | 44 | 13 | 12 | 19 | 19 | 19 | 22 | 17 | 27 | 27 | 36 | 27 |
Swell 3 Height (m) Direction Period (s) | SSW 8 | SSE 8 | SW 11 | SE 9 | SE 9 | SE 12 | SE 9 | SSE 9 | SE 9 | SE 14 | SSE 9 | SSE 9 | SE 9 | SE 9 | SE 11 | E 11 | E 11 | E 11 | E 11 | E 11 |
| kJ | 22 | 24 | 4 | 23 | 14 | 6 | 14 | 9 | 14 | 7 | 8 | 8 | 3 | 3 | 19 | 22 | 21 | 9 | 21 | 21 |
Wind waves Height (m) Direction Period (s) | SSW 8 | SSW 7 | SSW 7 | SSW 8 | — | S 8 | — | — | — | S 8 | S 7 | S 7 | SSW 7 | SSW 7 | SW 4 | — | — | — | — | — |
| kJ | 103 | 86 | 78 | 92 | — | 115 | — | — | — | 115 | 112 | 112 | 91 | 91 | 9 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 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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