Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (17 Sep):
- Afternoon surf: Afternoon surf (17 Sep, local time) - 3.5ft (1.1m), 9s period with E swell.
- Evening surf: Evening surf (17 Sep, local time) - 5ft (1.6m), 8s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 10PM is: 1.6m 8s primary swell from a East-southeast direction and 0.2m 12s secondary swell from a East direction (forecast issued at 02:00pm September 17). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | - | - |
| Afternoon (17 Sep) | 3.5ft (1.1m) | 9s |
| Evening (17 Sep) | 5ft (1.6m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat afternoon. Warm (max 29°C on Sun morning, min 22°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | ||||||||||||||||||
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 9 | E 9 | E 5 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 10 | E 10 | E 10 | E 10 | E 10 | ESE 13 | ESE 15 | ESE 14 | ESE 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 99 | 186 | 102 | 300 | 416 | 497 | 647 | 777 | 866 | 900 | 863 | 825 | 826 | 783 | 1184 | 783 | 2024 | 4529 | 4824 | 4013 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | glassy | glassy | glassy | cross-off | glassy | glassy | on | cross-on | cross-on | cross | glassy | glassy | off | glassy | on | on | glassy | off |
High Tide | 8:30PM1.59m | 10:36AM1.27m | 8:52PM1.49m | |||||||||||||||||
Low Tide | 2:36PM0.99m | 3:41AM0.56m | 2:51PM1.11m | 4:47AM0.66m | ||||||||||||||||
 | |  |  |  | | | |  | | |  | | | | | | |  |  | |
 | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | 6:09 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
Temp °C | 27 | 27 | 26 | 24 | 24 | 23 | 23 | 25 | 26 | 26 | 25 | 24 | 24 | 23 | 22 | 26 | 28 | 27 | 26 | 24 |
Feels °C | 29 | 30 | 29 | 27 | 27 | 26 | 26 | 29 | 28 | 29 | 27 | 27 | 27 | 26 | 24 | 29 | 30 | 29 | 30 | 27 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | E 12 | E 12 | E 12 | E 12 | E 12 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | E 10 | E 10 | E 10 | ESE 13 | ESE 15 | ESE 14 | ESE 13 |
| kJ | 99 | 25 | 25 | 25 | 11 | 12 | 2 | 2 | 2 | 2 | 8 | 8 | 7 | 783 | 861 | 783 | 2024 | 4529 | 4824 | 4013 |
Swell 2 Height (m) Direction Period (s) | ENE 6 | S 7 | S 7 | — | E 15 | — | — | — | — | — | — | — | — | S 9 | ESE 14 | ESE 13 | ESE 16 | S 9 | S 8 | S 8 |
| kJ | 10 | 1 | 1 | — | 4 | — | — | — | — | — | — | — | — | 7 | 123 | 444 | 926 | 6 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | E 12 | S 7 | — | — | — | — | — | — | — | — | — | — | — | — | S 9 | ESE 18 | S 9 | — | — | — |
| kJ | 25 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 214 | 6 | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 5 | E 9 | E 5 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 10 | E 10 | — | E 10 | — | — | — | — | — |
| kJ | 28 | 186 | 102 | 300 | 416 | 497 | 647 | 777 | 866 | 900 | 863 | 825 | 826 | — | 1184 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 330 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 29 | 29 | 29 | 0 | 0 | 0 | 0 | 29 | 29 | 9 | 9 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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