Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (10 Oct):
- Morning surf: Morning surf (10 Oct, local time) - 3.5ft (1.1m), 15s period with E swell.
- Afternoon surf: Afternoon surf (10 Oct, local time) - 4ft (1.2m), 14s period with E swell.
- Evening surf: Evening surf (10 Oct, local time) - 4ft (1.2m), 13s period with E swell.
The current surf forecast for Niyodo Rivermouth at 3AM is: 1.2m 16s primary swell from a East direction and 0.2m 11s secondary swell from a East-southeast direction, 1.6m 7s secondary swell from a East-southeast direction (forecast issued at 08:00pm October 09). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Oct) | 3.5ft (1.1m) | 15s |
| Afternoon (10 Oct) | 4ft (1.2m) | 14s |
| Evening (10 Oct) | 4ft (1.2m) | 13s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Sat morning, min 19°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Fri 9 | Saturday 10 | Sunday 11 | ||||||||||||||||
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) | E 17 | E 17 | E 17 | E 16 | E 16 | E 15 | E 15 | E 14 | E 14 | E 13 | E 13 | ESE 13 | ESE 12 | E 12 | ESE 12 | ESE 12 | E 12 | E 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 716 | 724 | 675 | 728 | 843 | 531 | 619 | 610 | 569 | 521 | 591 | 1139 | 1108 | 1194 | 1064 | 1047 | 894 | 746 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross-off | off | glassy | on | cross-on | glassy | glassy | off | off | off | glassy | cross-on | on | glassy | glassy |
High Tide | 5:10PM1.80m | 5:28AM1.86m | 5:34PM1.83m | 6:05AM1.88m | 5:57PM1.83m | |||||||||||||
Low Tide | 11:17PM0.39m | 11:33AM0.43m | 11:47PM0.27m | 12:03PM0.52m | ||||||||||||||
 |  | | | |  |  | | | |  | | | | | | | | |
 | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:38 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 22 | 21 | 20 | 19 | 23 | 25 | 24 | 23 | 22 | 21 | 20 | 20 | 22 | 25 | 25 | 23 | 21 |
Feels °C | 22 | 22 | 22 | 20 | 19 | 24 | 25 | 25 | 24 | 23 | 22 | 21 | 21 | 24 | 26 | 26 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | E 17 | E 17 | E 17 | E 16 | E 16 | E 15 | E 15 | ESE 8 | ESE 8 | ESE 7 | E 13 | ESE 13 | ESE 12 | E 12 | ESE 12 | ESE 12 | E 12 | E 11 |
| kJ | 716 | 724 | 675 | 728 | 843 | 531 | 619 | 226 | 199 | 193 | 591 | 1139 | 1108 | 1194 | 1064 | 1047 | 894 | 746 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 11 | SE 11 | ESE 11 | — | — | — | E 14 | E 14 | E 13 | ESE 8 | S 9 | S 8 | S 8 | S 8 | S 8 | ESE 19 | SE 18 |
| kJ | 21 | 20 | 20 | 13 | — | — | — | 610 | 569 | 521 | 174 | 2 | 6 | 5 | 5 | 5 | 37 | 82 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | S 9 | S 9 | S 9 | — | — | — | — | SE 20 | S 8 | S 8 |
| kJ | — | — | — | — | — | — | — | — | 2 | 1 | 2 | — | — | — | — | 15 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 302 | 261 | 261 | 268 | 244 | 220 | 232 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 82 | 29 | 0 | 0 | 0 | 0 | 29 | 82 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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