Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (31 Oct):
- Morning surf: Morning surf (31 Oct, local time) - 5ft (1.5m), 10s period with ESE swell.
- Afternoon surf: Afternoon surf (31 Oct, local time) - 3.5ft (1.0m), 20s period with SE swell.
- Evening surf: Evening surf (31 Oct, local time) - 6ft (1.8m), 17s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 8AM is: 1.5m 10s primary swell from a East-southeast direction and 0.6m 21s secondary swell from a East-southeast direction (forecast issued at 02:00am October 31). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Oct) | 5ft (1.5m) | 10s |
| Afternoon (31 Oct) | 3.5ft (1.0m) | 20s |
| Evening (31 Oct) | 6ft (1.8m) | 17s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 22°C on Mon afternoon, min 12°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 31 | Sunday 1 | Monday 2 | ||||||||||||||||||||||
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 | 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) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SE 21 | SE 20 | SE 19 | ESE 17 | SE 18 | SE 17 | SE 17 | SE 17 | SE 17 | SE 16 | SE 16 | SE 16 | SE 15 | SE 14 | SE 14 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 483 | 464 | 446 | 455 | 517 | 776 | 930 | 1955 | 2842 | 2794 | 2630 | 3005 | 3248 | 2901 | 2829 | 2567 | 2094 | 1712 | 1262 | 919 | 755 | 755 | 669 | 710 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | glassy | glassy | on | glassy | cross-off | glassy | glassy | glassy | glassy | cross-off | off | off | off |
High Tide | 10:03AM1.55m | 8:32PM1.61m | 11:30AM1.47m | 9:42PM1.47m | 1:03PM1.47m | |||||||||||||||||||
Low Tide | 2:54AM0.19m | 3:06PM1.11m | 3:58AM0.35m | 4:32PM1.18m | 5:21AM0.48m | 6:40PM1.13m | ||||||||||||||||||
 | | |  | | | | | | | | | | | |  |  | | |  | | | | | |
 | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — |
 | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:14 | — | — | — | — | — | — | — | 5:13 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 16 | 15 | 18 | 21 | 21 | 17 | 15 | 14 | 14 | 13 | 16 | 19 | 19 | 17 | 16 | 18 | 18 | 18 | 19 | 19 | 22 | 19 | 16 |
Feels °C | 18 | 14 | 13 | 17 | 19 | 17 | 14 | 13 | 12 | 12 | 11 | 15 | 18 | 17 | 16 | 14 | 18 | 19 | 19 | 21 | 20 | 21 | 17 | 14 |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 11 | ESE 17 | SE 18 | SE 17 | SE 17 | SE 17 | SE 17 | SE 16 | SE 16 | SE 16 | SE 15 | SE 14 | SE 14 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 |
| kJ | 483 | 464 | 446 | 455 | 358 | 452 | 401 | 1955 | 2842 | 2794 | 2630 | 3005 | 3248 | 2901 | 2829 | 2567 | 2094 | 1712 | 1262 | 919 | 755 | 755 | 669 | 710 |
Swell 2 Height (m) Direction Period (s) | SE 21 | SSW 5 | SSW 5 | ESE 21 | SE 21 | SE 20 | SE 19 | SE 20 | — | SE 20 | ESE 10 | ESE 10 | — | E 9 | — | — | — | — | — | E 10 | SSW 7 | SW 7 | SW 7 | SW 6 |
| kJ | 18 | 15 | 10 | 294 | 517 | 776 | 930 | 753 | — | 1061 | 173 | 125 | — | 57 | — | — | — | — | — | 16 | 192 | 168 | 114 | 68 |
Swell 3 Height (m) Direction Period (s) | SE 22 | SE 15 | SE 20 | SSW 5 | SE 14 | ESE 14 | ESE 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | E 10 | E 10 | — | E 10 |
| kJ | 18 | 56 | 101 | 5 | 189 | 123 | 121 | — | — | — | — | — | — | — | — | — | — | — | — | — | 16 | 16 | — | 30 |
Wind waves Height (m) Direction Period (s) | SW 5 | WNW 3 | WNW 3 | WNW 3 | SW 5 | WSW 5 | WNW 4 | — | — | — | — | — | — | — | — | — | — | SW 4 | SW 5 | SW 6 | WSW 7 | SW 7 | — | NW 4 |
| kJ | 30 | 9 | 8 | 4 | 7 | 9 | 10 | — | — | — | — | — | — | — | — | — | — | 29 | 35 | 206 | 73 | 244 | — | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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