Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (15 Oct):
- Morning surf: Morning surf (15 Oct, local time) - 2.5ft (0.8m), 9s period with E swell.
- Afternoon surf: Afternoon surf (15 Oct, local time) - 1.5ft (0.5m), 10s period with E swell.
- Evening surf: Evening surf (15 Oct, local time) - 1.5ft (0.5m), 9s period with E swell.
The current surf forecast for Niyodo Rivermouth at 4PM is: 0.5m 10s primary swell from a East direction and 0.4m 8s secondary swell from a East-southeast direction (forecast issued at 08:00am October 15). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Oct) | 2.5ft (0.8m) | 9s |
| Afternoon (15 Oct) | 1.5ft (0.5m) | 10s |
| Evening (15 Oct) | 1.5ft (0.5m) | 9s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Thu morning, min 16°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||
Thursday 15 | Friday 16 | Saturday 17 | ||||||||||||||||||||
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) | E 9 | E 9 | E 9 | E 10 | E 10 | E 9 | E 8 | ESE 9 | ESE 9 | E 8 | E 8 | E 9 | E 8 | E 8 | E 8 | SE 9 | E 7 | ESE 9 | E 6 | E 6 | E 4 | ESE 8 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 106 | 106 | 104 | 44 | 30 | 41 | 36 | 26 | 26 | 37 | 35 | 40 | 21 | 52 | 49 | 14 | 21 | 15 | 29 | 40 | 32 | 13 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | glassy | on | glassy | cross-off | off | off | off | glassy | glassy | glassy | off | off | off | off | off | off | on | on | glassy | off |
High Tide | 8:29AM1.57m | 7:29PM1.66m | 9:12AM1.45m | 7:53PM1.58m | 10:12AM1.33m | 8:21PM1.48m | ||||||||||||||||
Low Tide | 1:48PM0.94m | 2:24AM0.38m | 2:13PM1.04m | 3:06AM0.50m | 2:43PM1.13m | |||||||||||||||||
 |  | |  |  | |  | | | |  | | | | | | | | | | | | |
 | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — |
 | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 19 | 23 | 22 | 20 | 19 | 18 | 17 | 16 | 20 | 22 | 23 | 21 | 19 | 18 | 17 | 16 | 20 | 23 | 23 | 21 | 19 |
Feels °C | 13 | 18 | 22 | 21 | 21 | 19 | 18 | 17 | 15 | 20 | 22 | 23 | 21 | 17 | 16 | 15 | 14 | 19 | 22 | 22 | 21 | 19 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 10 | E 10 | E 9 | E 8 | ESE 9 | ESE 9 | E 8 | E 8 | E 9 | E 8 | E 8 | E 8 | E 7 | E 7 | E 6 | E 6 | E 6 | SE 8 | ESE 8 |
| kJ | 106 | 106 | 104 | 44 | 30 | 41 | 36 | 26 | 26 | 37 | 35 | 40 | 21 | 52 | 49 | 23 | 21 | 20 | 29 | 40 | 10 | 13 |
Swell 2 Height (m) Direction Period (s) | ENE 5 | S 7 | S 7 | ESE 8 | ESE 8 | ESE 9 | E 9 | E 10 | E 9 | E 10 | E 9 | ENE 8 | ESE 9 | SE 10 | SE 9 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 8 | — | SE 8 |
| kJ | 11 | 1 | 1 | 28 | 28 | 29 | 7 | 7 | 6 | 8 | 7 | 14 | 16 | 4 | 3 | 14 | 14 | 15 | 15 | 13 | — | 9 |
Swell 3 Height (m) Direction Period (s) | — | SW 4 | SW 7 | S 7 | E 4 | E 12 | E 4 | S 7 | S 7 | W 7 | S 7 | — | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | — | — |
| kJ | — | 1 | 2 | 1 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | — | 4 | 4 | 3 | 13 | 12 | 11 | 11 | 11 | — | — |
Wind waves Height (m) Direction Period (s) | NNW 2 | NNW 2 | — | — | — | — | — | — | W 7 | — | — | — | — | — | ENE 7 | ENE 6 | — | NE 6 | ENE 6 | ENE 6 | E 4 | E 4 |
| kJ | 1 | 1 | — | — | — | — | — | — | 1 | — | — | — | — | — | 49 | 74 | — | 102 | 196 | 59 | 32 | 33 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 344 | 0 | 0 | 229 | 229 | 229 | 51 | 51 | 51 | 51 | 0 | 0 | 55 | 55 | 229 | 183 | 330 | 224 | 55 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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