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) - 2ft (0.6m), 13s period with E swell.
The current surf forecast for Niyodo Rivermouth at 11AM is: 0.5m 13s primary swell from a East direction and 0.5m 9s secondary swell from a East-southeast direction, 0.3m 4s secondary swell from a East-southeast direction (forecast issued at 08:00am September 13). The wind direction is predicted to be glassy.
| 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) | 2ft (0.6m) | 13s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Mon night. Warm (max 28°C on Sun morning, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | ||||||||||||||||||||
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) | E 13 | E 13 | E 13 | ESE 13 | E 13 | E 13 | SE 8 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 88 | 85 | 87 | 257 | 126 | 121 | 118 | 170 | 166 | 166 | 162 | 132 | 166 | 132 | 236 | 307 | 307 | 342 | 327 | 261 | 255 | 203 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-on | on | glassy | glassy | glassy | glassy | glassy | glassy | on | on | glassy | on | glassy | glassy | glassy | cross-off | glassy | glassy | glassy | off |
High Tide | 6:55AM1.89m | 7:06PM1.85m | 7:33AM1.81m | 7:27PM1.81m | 8:10AM1.69m | 7:49PM1.75m | ||||||||||||||||
Low Tide | 1:01PM0.39m | 1:18AM0.30m | 1:29PM0.54m | 1:49AM0.31m | 1:53PM0.70m | |||||||||||||||||
 |  | |  | |  |  |  | | | | |  | |  | | |  | | | |  | |
 | 5:46 | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — |
 | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:13 | — |
mm | — | 1 | 1 | — | — | — | 1 | — | — | — | 1 | 1 | — | 2 | 2 | 1 | — | 1 | — | — | — | 1 |
Temp °C | 25 | 26 | 28 | 28 | 27 | 26 | 25 | 25 | 24 | 27 | 28 | 28 | 26 | 25 | 24 | 24 | 23 | 24 | 26 | 28 | 26 | 24 |
Feels °C | 30 | 31 | 32 | 32 | 32 | 31 | 29 | 29 | 27 | 31 | 32 | 32 | 30 | 29 | 28 | 28 | 27 | 27 | 29 | 31 | 29 | 27 |
Swell 1 Height (m) Direction Period (s) | E 4 | ESE 9 | ESE 9 | ESE 13 | E 13 | SE 8 | SE 8 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
| kJ | 10 | 48 | 55 | 257 | 126 | 80 | 118 | 170 | 166 | 166 | 162 | 132 | 166 | 132 | 236 | 307 | 307 | 342 | 327 | 261 | 255 | 203 |
Swell 2 Height (m) Direction Period (s) | E 13 | 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 | E 12 | E 12 | E 12 | E 14 | E 14 | E 14 | E 13 | E 13 |
| kJ | 88 | 85 | 87 | 8 | 65 | 121 | 83 | 83 | 83 | 53 | 50 | 73 | 71 | 103 | 68 | 46 | 47 | 37 | 35 | 57 | 56 | 54 |
Swell 3 Height (m) Direction Period (s) | ESE 9 | ESE 4 | S 7 | ESE 4 | S 6 | S 7 | S 6 | S 6 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | E 15 | E 12 | E 12 | S 6 | S 6 | S 7 |
| kJ | 32 | 6 | 14 | 3 | 7 | 8 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 1 | 4 | 11 | 11 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | ESE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 58 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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