Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (08 Oct):
- Morning surf: Morning surf (08 Oct, local time) - 4ft (1.2m), 12s period with E swell.
- Afternoon surf: Afternoon surf (08 Oct, local time) - 3.5ft (1.0m), 11s period with E swell.
- Evening surf: Evening surf (08 Oct, local time) - 2.5ft (0.8m), 11s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 3AM is: 1.4m 13s primary swell from a East direction and 0.1m 21s secondary swell from a East direction (forecast issued at 08:00pm October 07). An open ocean swell of 0.3m 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 (08 Oct) | 4ft (1.2m) | 12s |
| Afternoon (08 Oct) | 3.5ft (1.0m) | 11s |
| Evening (08 Oct) | 2.5ft (0.8m) | 11s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Fri morning, min 15°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Wed 7 | Thursday 8 | Friday 9 | ||||||||||||||||
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 14 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 11 | E 11 | ESE 11 | E 10 | E 9 | E 9 | ESE 9 | ESE 8 | ESE 8 | E 17 | E 17 |
Wave Graph  | ||||||||||||||||||
 kJ | 1462 | 1121 | 759 | 613 | 485 | 400 | 322 | 244 | 240 | 153 | 539 | 664 | 617 | 547 | 483 | 498 | 716 | 724 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | glassy | glassy | glassy | off | off | off | cross-off | glassy | on | cross-on | cross | cross |
High Tide | 4:18PM1.69m | 4:01AM1.69m | 4:45PM1.76m | 4:47AM1.79m | 5:10PM1.80m | |||||||||||||
Low Tide | 10:12PM0.73m | 10:24AM0.35m | 10:45PM0.54m | 11:00AM0.38m | ||||||||||||||
 |  | | | |  | | | | | | | | | | | | | |
 | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:40 | — | — | — | — | — | — | — | 5:39 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 18 | 17 | 15 | 15 | 19 | 23 | 23 | 21 | 19 | 19 | 19 | 19 | 23 | 25 | 25 | 23 | 23 |
Feels °C | 18 | 16 | 15 | 13 | 13 | 18 | 22 | 22 | 20 | 18 | 18 | 18 | 19 | 25 | 25 | 25 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | E 14 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 11 | E 11 | E 8 | E 10 | E 17 | E 16 | E 17 | E 16 | E 16 | E 17 | E 17 |
| kJ | 1462 | 1121 | 759 | 613 | 485 | 400 | 322 | 244 | 240 | 127 | 539 | 138 | 262 | 265 | 255 | 243 | 716 | 724 |
Swell 2 Height (m) Direction Period (s) | — | — | ENE 6 | E 21 | E 20 | E 20 | E 19 | E 18 | E 18 | ESE 11 | E 18 | E 21 | SE 12 | SE 12 | E 20 | E 19 | — | — |
| kJ | — | — | 15 | 9 | 8 | 30 | 30 | 58 | 56 | 153 | 97 | 78 | 6 | 6 | 198 | 267 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 21 | E 20 | E 20 | E 19 | SE 13 | SE 13 | E 18 | E 22 | — | SE 12 | — | SE 12 | — | — | — |
| kJ | — | — | — | 9 | 8 | 30 | 30 | 7 | 7 | 99 | 36 | — | 6 | — | 6 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | N 3 | N 3 | NE 6 | NE 6 | NE 6 | NE 5 | E 8 | — | — | E 9 | E 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
| kJ | — | — | 3 | 2 | 120 | 80 | 47 | 27 | 76 | — | — | 664 | 617 | 547 | 483 | 498 | 516 | 457 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 82 | 82 | 29 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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