Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (17 Oct):
- Morning surf: Morning surf (17 Oct, local time) - 1.5ft (0.5m), 8s period with E swell.
- Afternoon surf: Afternoon surf (17 Oct, local time) - 2ft (0.6m), 6s period with E swell.
- Evening surf: Evening surf (17 Oct, local time) - 3.5ft (1.0m), 5s period with E swell.
The current surf forecast for Niyodo Rivermouth at 12AM is: 0.5m 9s primary swell from a East direction and 0.1m 9s secondary swell from a Southeast direction (forecast issued at 08:00pm October 16). The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 1.5ft (0.5m) | 8s |
| Afternoon (17 Oct) | 2ft (0.6m) | 6s |
| Evening (17 Oct) | 3.5ft (1.0m) | 5s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Sun afternoon. Warm (max 25°C on Sat morning, min 18°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Fri 16 | Saturday 17 | Sunday 18 | ||||||||||||||||
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 | ESE 8 | E 8 | E 8 | ESE 9 | E 6 | E 4 | E 5 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 39 | 39 | 38 | 24 | 23 | 35 | 15 | 29 | 38 | 43 | 111 | 138 | 310 | 440 | 456 | 439 | 463 | 443 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | off | glassy | on | off | off | cross-off | off | glassy | cross | cross-on | cross-on | cross-on | cross |
High Tide | 7:53PM1.58m | 10:12AM1.33m | 8:21PM1.48m | 12:03PM1.28m | ||||||||||||||
Low Tide | 3:06AM0.50m | 2:43PM1.13m | 4:03AM0.62m | 3:43PM1.22m | ||||||||||||||
 |  |  | | |  | |  | | | | | | | |  |  | | |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:29 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 |
Temp °C | 22 | 19 | 19 | 18 | 18 | 21 | 25 | 24 | 22 | 19 | 19 | 19 | 19 | 21 | 23 | 23 | 22 | 21 |
Feels °C | 23 | 18 | 17 | 16 | 17 | 21 | 25 | 23 | 22 | 19 | 18 | 18 | 19 | 22 | 23 | 22 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | ESE 8 | E 8 | E 8 | E 6 | ESE 9 | SE 8 | ESE 8 | SE 8 | SSE 8 | E 13 | — | — | — | — | — |
| kJ | 39 | 39 | 38 | 24 | 23 | 35 | 20 | 15 | 10 | 14 | 9 | 6 | 3 | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | SE 10 | E 10 | SE 9 | SSE 9 | SE 9 | SE 8 | ESE 9 | SE 8 | — | SE 8 | — | SE 12 | — | — | — | — | — | — |
| kJ | 4 | 2 | 3 | 8 | 12 | 11 | 15 | 10 | — | 9 | — | 5 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | SE 10 | E 10 | SE 9 | SE 9 | SE 8 | SE 8 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 4 | 2 | 3 | 12 | 11 | 11 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | ENE 6 | E 6 | E 4 | E 5 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 |
| kJ | — | — | — | — | — | — | 141 | 29 | 38 | 43 | 111 | 138 | 310 | 440 | 456 | 439 | 463 | 443 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 229 | 229 | 229 | 29 | 55 | 0 | 2579 | 539 | 330 | 0 | 0 | 0 | 0 | 29 | 581 | 667 | 29 | 29 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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