Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 1ft (0.3m), 13s period with SE swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 1ft (0.3m), 13s period with SE swell.
- Evening surf: Evening surf (31 Jul, local time) - 1.5ft (0.4m), 9s period with SE swell.
The current surf forecast for Niyodo Rivermouth at 5AM is: 0.4m 9s primary swell from a Southeast direction and 0.3m 4s secondary swell from a South-southwest direction (forecast issued at 08:00pm July 30). The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 1ft (0.3m) | 13s |
| Afternoon (31 Jul) | 1ft (0.3m) | 13s |
| Evening (31 Jul) | 1.5ft (0.4m) | 9s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 32°C on Fri morning, min 27°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | ||||||||||||||||
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 | ESE 9 | ESE 9 | ESE 9 | SE 9 | SE 13 | SE 9 | SE 13 | SE 9 | SE 9 | SE 9 | SE 13 | SE 13 | ESE 10 | ESE 10 | SE 10 | SE 10 | ESE 15 |
Wave Graph  | ||||||||||||||||||
 kJ | 35 | 35 | 35 | 35 | 23 | 25 | 24 | 26 | 23 | 22 | 22 | 26 | 26 | 42 | 42 | 27 | 28 | 42 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | off | off | off | glassy | on | on | glassy | glassy | off | off | off | glassy | on | on | glassy | glassy |
High Tide | 7:14PM1.74m | 6:28AM1.79m | 7:38PM1.76m | 7:03AM1.79m | 8:03PM1.77m | |||||||||||||
Low Tide | 00:48AM0.81m | 1:05PM0.16m | 1:19AM0.73m | 1:34PM0.21m | ||||||||||||||
 |  | | | | | | | | | | | | | | | | | |
 | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — |
 | 7:07 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:05 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 29 | 28 | 27 | 27 | 30 | 32 | 31 | 29 | 28 | 27 | 27 | 27 | 31 | 31 | 31 | 30 | 28 |
Feels °C | 34 | 33 | 31 | 29 | 29 | 33 | 34 | 34 | 34 | 32 | 29 | 28 | 29 | 34 | 33 | 34 | 35 | 32 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | SSW 5 | SSW 5 | ESE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 10 | ESE 10 | SE 10 | SE 10 | ESE 9 |
| kJ | 35 | 9 | 8 | 35 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 21 | 42 | 42 | 27 | 28 | 16 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | ESE 9 | ESE 9 | SSW 4 | SSW 4 | SSW 4 | SE 12 | SSW 6 | SSW 6 | SE 11 | SE 11 | SSW 4 | SE 13 | SSW 4 | S 4 | S 4 | ESE 15 | ESE 15 |
| kJ | 21 | 35 | 35 | 4 | 3 | 2 | 24 | 6 | 3 | 20 | 20 | 3 | 26 | 1 | 1 | 1 | 21 | 42 |
Swell 3 Height (m) Direction Period (s) | SE 12 | S 7 | S 7 | S 7 | S 7 | SE 13 | S 4 | SE 13 | SE 12 | SSW 5 | SSW 4 | SE 13 | SSW 4 | S 7 | SW 6 | ESE 16 | S 4 | SE 11 |
| kJ | 6 | 4 | 4 | 4 | 4 | 25 | 1 | 26 | 23 | 2 | 2 | 26 | 3 | 1 | 1 | 25 | 1 | 19 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SW 4 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 7 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 51 | 29 | 55 | 55 | 0 | 432 | 344 | 29 | 55 | 0 | 0 | 0 | 432 | 523 | 85 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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