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 (0.4m), 8s period with ESE swell.
- Evening surf: Evening surf (15 Oct, local time) - 1.5ft (0.4m), 9s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 9AM is: 0.8m 9s primary swell from a East direction and 0.1m 7s secondary swell from a South direction (forecast issued at 02:00am October 15). The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Oct) | 2.5ft (0.8m) | 9s |
| Afternoon (15 Oct) | 1.5ft (0.4m) | 8s |
| Evening (15 Oct) | 1.5ft (0.4m) | 9s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Sat morning, min 16°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 15 | Friday 16 | Saturday 17 | ||||||||||||||||||||||
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) | E 10 | E 9 | E 9 | E 9 | E 9 | ESE 8 | E 10 | E 9 | E 8 | ESE 9 | E 9 | ESE 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | ESE 9 | E 6 | E 6 | ESE 8 | SE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 120 | 110 | 104 | 104 | 104 | 28 | 46 | 29 | 36 | 26 | 40 | 26 | 55 | 69 | 52 | 40 | 49 | 46 | 32 | 15 | 30 | 29 | 14 | 15 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | glassy | on | glassy | cross-off | off | off | off | glassy | glassy | glassy | glassy | 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 | 1:49AM0.27m | 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 | 17 | 16 | 15 | 19 | 22 | 22 | 20 | 18 | 17 | 17 | 16 | 19 | 22 | 22 | 21 | 19 | 18 | 17 | 16 | 20 | 23 | 23 | 21 | 19 |
Feels °C | 15 | 14 | 13 | 18 | 21 | 21 | 21 | 18 | 17 | 16 | 15 | 19 | 22 | 22 | 22 | 17 | 16 | 15 | 14 | 20 | 22 | 22 | 21 | 19 |
Swell 1 Height (m) Direction Period (s) | E 10 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 9 | E 8 | ESE 9 | E 9 | ESE 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 6 | E 6 | ESE 8 | ESE 8 |
| kJ | 120 | 110 | 104 | 104 | 104 | 46 | 46 | 26 | 36 | 26 | 40 | 26 | 55 | 69 | 52 | 40 | 49 | 46 | 32 | 22 | 30 | 29 | 14 | 13 |
Swell 2 Height (m) Direction Period (s) | ENE 6 | E 4 | NE 6 | S 7 | S 7 | ESE 8 | ESE 8 | ESE 9 | E 9 | E 10 | W 7 | ENE 8 | — | — | SE 10 | ESE 8 | SE 9 | SSE 9 | ESE 8 | ESE 9 | ESE 9 | ESE 8 | SE 8 | SE 8 |
| kJ | 4 | 1 | 17 | 1 | 1 | 28 | 28 | 29 | 7 | 7 | 1 | 20 | — | — | 4 | 7 | 3 | 8 | 14 | 15 | 15 | 14 | 10 | 15 |
Swell 3 Height (m) Direction Period (s) | SW 4 | SW 4 | — | SW 4 | SW 7 | S 7 | — | E 12 | E 4 | — | E 10 | — | — | — | SE 10 | SE 10 | SE 9 | SE 9 | SSE 9 | SE 8 | SE 8 | SE 8 | — | — |
| kJ | 1 | 1 | — | 1 | 2 | 1 | — | 3 | 1 | — | 8 | — | — | — | 4 | 4 | 3 | 13 | 7 | 11 | 11 | 11 | — | — |
Wind waves Height (m) Direction Period (s) | NNW 3 | NNW 3 | — | — | — | — | — | — | — | — | NE 4 | — | — | — | — | — | — | ENE 6 | ENE 6 | ENE 4 | ENE 6 | ENE 6 | E 4 | E 4 |
| kJ | 7 | 2 | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 69 | 80 | 13 | 176 | 42 | 20 | 26 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 183 | 0 | 0 | 229 | 229 | 229 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 229 | 985 | 330 | 229 | 330 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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