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 10AM is: 1.5m 10s primary swell from a East-southeast direction and 0.6m 21s secondary swell from a 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 cross-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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