Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 7ft (2.1m), 10s period with ESE swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 11ft (3.5m), 16s period with ESE swell.
- Evening surf: Evening surf (19 Sep, local time) - 11ft (3.5m), 14s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 3PM is: 3.5m 16s primary swell from a East-southeast direction (forecast issued at 08:00am September 19). The wind direction is predicted to be glassy and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 7ft (2.1m) | 10s |
| Afternoon (19 Sep) | 11ft (3.5m) | 16s |
| Evening (19 Sep) | 11ft (3.5m) | 14s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 31°C on Sun morning, min 19°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | ||||||||||||||||||||
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 16 | ESE 16 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 896 | 800 | 5789 | 6575 | 5603 | 5448 | 5502 | 5643 | 5105 | 5029 | 5397 | 5183 | 4637 | 4177 | 3358 | 3076 | 3223 | 3018 | 2265 | 1807 | 1302 | 882 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-on | glassy | glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 9:22PM1.39m | 4:06PM1.33m | 00:05AM1.30m | 4:10PM1.43m | ||||||||||||||||||
Low Tide | 4:47AM0.66m | 6:47AM0.71m | 8:43PM1.27m | 8:31AM0.64m | ||||||||||||||||||
 |  | | | |  |  | | | | | | | | | | | | | | | | |
 | 5:50 | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:04 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 26 | 28 | 27 | 26 | 25 | 24 | 23 | 23 | 27 | 31 | 30 | 26 | 24 | 23 | 23 | 23 | 25 | 28 | 27 | 24 | 21 |
Feels °C | 26 | 29 | 30 | 31 | 30 | 28 | 26 | 24 | 24 | 27 | 31 | 29 | 26 | 24 | 23 | 23 | 22 | 24 | 28 | 26 | 23 | 20 |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 16 | ESE 16 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 |
| kJ | 896 | 800 | 5789 | 6575 | 5603 | 5448 | 5502 | 5643 | 5105 | 5029 | 5397 | 5183 | 4637 | 4177 | 3358 | 3076 | 3223 | 3018 | 2265 | 1807 | 1302 | 882 |
Swell 2 Height (m) Direction Period (s) | ESE 14 | ESE 13 | ESE 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 9 | S 9 | S 9 |
| kJ | 168 | 669 | 2480 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | ESE 20 | SE 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 38 | 727 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 4 | NNW 4 | NNW 4 | NW 4 | WSW 3 | NNW 3 | NNW 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 11 | 16 | 20 | 11 | 2 | 7 | 13 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 183 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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