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) - 13ft (4.0m), 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 2AM is: 2.3m 10s primary swell from a East-southeast direction and 0.2m 9s secondary swell from a South direction (forecast issued at 08:00pm September 18). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 7ft (2.1m) | 10s |
| Afternoon (19 Sep) | 13ft (4.0m) | 16s |
| Evening (19 Sep) | 11ft (3.5m) | 14s |
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 30°C on Sun morning, min 22°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | ||||||||||||||||
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 10 | E 10 | E 10 | ESE 10 | ESE 16 | ESE 16 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 |
Wave Graph  | ||||||||||||||||||
 kJ | 1086 | 1043 | 978 | 1424 | 1255 | 800 | 5954 | 6807 | 5875 | 5448 | 4975 | 5029 | 4804 | 4390 | 4324 | 4660 | 4589 | 4398 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | glassy | glassy | glassy | glassy | cross-on | glassy | glassy | off | off | off | off | off | off | off | off | off |
High Tide | 8:52PM1.49m | 9:22PM1.39m | 4:06PM1.33m | |||||||||||||||
Low Tide | 4:47AM0.66m | 6:47AM0.71m | 8:43PM1.27m | |||||||||||||||
 |  | |  |  | | |  | |  |  | | | | | | | | |
 | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — |
mm | 1 | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 25 | 24 | 24 | 23 | 23 | 26 | 28 | 27 | 26 | 24 | 23 | 23 | 23 | 27 | 30 | 30 | 25 | 23 |
Feels °C | 28 | 27 | 28 | 26 | 26 | 30 | 30 | 30 | 30 | 27 | 24 | 25 | 24 | 28 | 30 | 29 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | S 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 16 | ESE 16 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 |
| kJ | 2 | 1043 | 978 | 939 | 959 | 800 | 5954 | 6807 | 5875 | 5448 | 4975 | 5029 | 4804 | 4390 | 4324 | 4660 | 4589 | 4398 |
Swell 2 Height (m) Direction Period (s) | — | S 10 | S 10 | S 9 | ESE 14 | ESE 13 | ESE 16 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 8 | 7 | 7 | 168 | 669 | 2480 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | ESE 20 | SE 18 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 38 | 727 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 10 | — | — | E 10 | E 10 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1086 | — | — | 1424 | 1255 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 29 | 0 | 0 | 9 | 0 | 0 | 29 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
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Surf Rating (10 Max)
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