Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 1.5ft (0.5m), 13s period with E swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 3ft (0.9m), 13s period with ESE swell.
- Evening surf: Evening surf (13 Sep, local time) - 1.5ft (0.5m), 13s period with E swell.
The current surf forecast for Niyodo Rivermouth at 1AM is: 0.6m 14s primary swell from a East direction and 0.5m 7s secondary swell from a South direction, 0.6m 5s secondary swell from a East direction (forecast issued at 08:00pm September 12). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 1.5ft (0.5m) | 13s |
| Afternoon (13 Sep) | 3ft (0.9m) | 13s |
| Evening (13 Sep) | 1.5ft (0.5m) | 13s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Sun morning. Warm (max 28°C on Sun morning, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Sat 12 | Sunday 13 | Monday 14 | ||||||||||||||||
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 14 | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 | ESE 13 | E 13 | E 13 | SE 8 | SE 9 | SE 8 | ESE 8 | ESE 8 | SE 8 | SE 8 | SE 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 89 | 134 | 142 | 93 | 88 | 85 | 87 | 257 | 126 | 84 | 138 | 170 | 166 | 188 | 188 | 151 | 162 | 151 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | glassy | glassy | on | on | glassy | glassy | glassy | off | cross-off | glassy | on | on | glassy | glassy |
High Tide | 6:43PM1.87m | 6:55AM1.89m | 7:06PM1.85m | 7:33AM1.81m | 7:27PM1.81m | |||||||||||||
Low Tide | 00:46AM0.35m | 1:01PM0.39m | 1:18AM0.30m | 1:29PM0.54m | ||||||||||||||
 |  | | |  | |  | | |  | | | | | | | |  | |
 | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — |
 | 6:16 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:14 | — |
mm | 1 | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | 2 |
Temp °C | 26 | 26 | 25 | 25 | 25 | 25 | 28 | 28 | 27 | 26 | 25 | 24 | 24 | 27 | 28 | 28 | 26 | 25 |
Feels °C | 32 | 31 | 30 | 29 | 29 | 29 | 32 | 32 | 32 | 31 | 29 | 27 | 27 | 32 | 31 | 31 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | E 14 | E 14 | E 14 | E 14 | E 13 | ESE 9 | ESE 9 | ESE 13 | E 13 | SE 8 | SE 8 | SE 9 | SE 8 | ESE 8 | ESE 8 | SE 8 | SE 8 | SE 8 |
| kJ | 89 | 134 | 142 | 93 | 88 | 48 | 55 | 257 | 126 | 80 | 138 | 170 | 166 | 188 | 188 | 151 | 162 | 151 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | S 7 | S 7 | ESE 9 | ESE 9 | E 13 | E 13 | S 7 | SE 9 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 |
| kJ | 15 | 23 | 23 | 32 | 32 | 85 | 87 | 8 | 65 | 84 | 83 | 83 | 83 | 53 | 50 | 73 | 71 | 103 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | — | ESE 9 | S 7 | E 4 | S 7 | S 7 | E 4 | S 6 | S 7 | S 7 | S 6 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 |
| kJ | 36 | — | 33 | 15 | 10 | 14 | 14 | 1 | 7 | 8 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | E 4 | ESE 5 | E 5 | E 5 | — | — | — | — | ENE 6 | — | — | — | — | — | — | — | — | — |
| kJ | 7 | 12 | 16 | 15 | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 58 | 58 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 0 | 0 |
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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