Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (20 Sep):
- Afternoon surf: Afternoon surf (20 Sep, local time) - 13ft (4.0m), 13s period with ESE swell.
- Evening surf: Evening surf (20 Sep, local time) - 13ft (4.0m), 13s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 9PM is: 4.0m 13s primary swell from a East-southeast direction (forecast issued at 02:00pm September 20). The wind direction is predicted to be offshore and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | - | - |
| Afternoon (20 Sep) | 13ft (4.0m) | 13s |
| Evening (20 Sep) | 13ft (4.0m) | 13s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Tue afternoon, min 18°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||
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 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 9 | E 9 | E 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 4879 | 4879 | 5027 | 4755 | 4498 | 4642 | 4321 | 3678 | 3937 | 3097 | 1763 | 1072 | 629 | 332 | 202 | 122 | 65 | 43 | 28 | 16 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | cross-off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 4:06PM1.33m | 00:05AM1.30m | 4:10PM1.43m | 2:22AM1.37m | 4:26PM1.53m | |||||||||||||||
Low Tide | 8:43PM1.27m | 8:31AM0.64m | 9:35PM1.14m | 9:26AM0.53m | ||||||||||||||||
 |  | |  |  | | |  | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | 6:06 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:02 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 28 | 26 | 24 | 24 | 24 | 24 | 25 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 24 | 28 | 29 | 25 | 21 |
Feels °C | 31 | 29 | 28 | 25 | 24 | 23 | 23 | 24 | 26 | 25 | 24 | 23 | 22 | 20 | 19 | 22 | 26 | 28 | 26 | 21 |
Swell 1 Height (m) Direction Period (s) | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 9 | E 9 | SE 9 |
| kJ | 4879 | 4879 | 5027 | 4755 | 4498 | 4642 | 4321 | 3678 | 3937 | 3097 | 1763 | 1072 | 629 | 332 | 202 | 122 | 65 | 43 | 28 | 13 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SW 9 | S 9 | S 9 | S 8 | S 8 | SE 11 | SE 9 | SE 10 | SE 9 | E 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | 3 | 1 | 1 | 1 | 1 | 18 | 22 | 14 | 13 | 16 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | S 9 | NE 6 | W 4 | S 8 | S 8 | S 8 | S 8 | ENE 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 6 | 5 | 5 | 5 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NW 4 | NW 4 | NW 4 | NW 4 | NW 4 | NNW 3 | NNW 3 | NNW 3 | NNW 3 | N 3 | NNW 3 | NNW 3 | — | — | — |
| kJ | — | — | — | — | — | 12 | 12 | 12 | 24 | 12 | 9 | 8 | 7 | 9 | 8 | 4 | 1 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 9 | 29 | 9 | 9 | 9 | 9 | 9 | 9 | 29 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 55 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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