Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (10 Aug):
- Morning surf: Morning surf (10 Aug, local time) - 4ft (1.2m), 12s period with E swell.
- Afternoon surf: Afternoon surf (10 Aug, local time) - 3.5ft (1.1m), 12s period with E swell.
- Evening surf: Evening surf (10 Aug, local time) - 3.5ft (1.1m), 12s period with E swell.
The current surf forecast for Niyodo Rivermouth at 11AM is: 1.2m 12s primary swell from a East direction and 1.3m 10s secondary swell from a South-southwest direction (forecast issued at 08:00am August 10). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Aug) | 4ft (1.2m) | 12s |
| Afternoon (10 Aug) | 3.5ft (1.1m) | 12s |
| Evening (10 Aug) | 3.5ft (1.1m) | 12s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Wed night. Warm (max 29°C on Mon morning, min 22°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | ||||||||||||||||||||
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 12 | E 12 | E 12 | E 12 | E 12 | E 12 | S 10 | S 10 | S 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | S 10 | S 10 | S 10 | S 10 | S 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 555 | 444 | 423 | 350 | 347 | 347 | 278 | 308 | 308 | 302 | 306 | 265 | 265 | 265 | 265 | 270 | 265 | 121 | 120 | 116 | 115 | 110 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | on | on | glassy | glassy | glassy | off | off | glassy | cross-on | on | cross-on | off | off | off | off | cross | on | on | on | cross-on |
High Tide | 5:17PM1.70m | 3:58AM1.71m | 5:54PM1.79m | 4:53AM1.82m | 6:28PM1.85m | |||||||||||||||||
Low Tide | 10:06AM0.16m | 10:38PM1.05m | 10:58AM0.04m | 11:23PM0.92m | 11:43AM-0.03m | |||||||||||||||||
 | | | | |  | | |  | | | | | | | | | | | | |  | |
 | 5:22 | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:54 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 25 | 27 | 29 | 29 | 28 | 26 | 25 | 24 | 23 | 27 | 29 | 28 | 27 | 24 | 22 | 22 | 23 | 27 | 28 | 27 | 26 | 25 |
Feels °C | 28 | 31 | 32 | 32 | 33 | 31 | 29 | 27 | 25 | 29 | 30 | 30 | 30 | 25 | 22 | 23 | 24 | 29 | 29 | 29 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | E 13 | SSW 10 | S 10 | E 12 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | S 10 | S 10 | S 10 | S 10 | S 9 |
| kJ | 555 | 363 | 346 | 350 | 234 | 220 | 216 | 308 | 308 | 302 | 306 | 265 | 265 | 265 | 265 | 270 | 265 | 120 | 120 | 116 | 115 | 110 |
Swell 2 Height (m) Direction Period (s) | S 10 | E 12 | E 12 | S 10 | E 12 | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 12 | E 11 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 |
| kJ | 294 | 444 | 423 | 237 | 347 | 347 | 278 | 273 | 214 | 203 | 152 | 189 | 231 | 175 | 174 | 171 | 163 | 116 | 90 | 88 | 40 | 40 |
Swell 3 Height (m) Direction Period (s) | SSW 11 | SE 7 | SE 14 | SW 11 | SSW 10 | SSW 10 | SSW 10 | SE 14 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | E 13 | SE 13 | SE 13 | SE 13 | E 11 | E 11 | E 11 | E 11 | E 11 |
| kJ | 149 | 8 | 33 | 119 | 73 | 71 | 69 | 29 | 28 | 27 | 27 | 27 | 27 | 29 | 27 | 27 | 27 | 121 | 88 | 59 | 57 | 36 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | ENE 4 | NE 5 | — | ENE 5 | — | — | — | — | — | — | — | E 2 | ESE 3 | E 3 |
| kJ | — | — | — | — | — | — | — | — | 2 | 18 | — | 21 | — | — | — | — | — | — | — | 1 | 3 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 64 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 297 | 344 | 51 | 0 | 0 | 0 | 0 | 51 | 51 | 82 | 82 | 29 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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