Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (31 Jul):
- Afternoon surf: Afternoon surf (31 Jul, local time) - 1.5ft (0.4m), 9s 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 6PM is: 0.3m 12s primary swell from a Southeast direction and 0.4m 9s secondary swell from a Southeast direction, 0.3m 6s secondary swell from a South-southwest direction (forecast issued at 02:00pm July 31). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | - | - |
| Afternoon (31 Jul) | 1.5ft (0.4m) | 9s |
| 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 34°C on Sun morning, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | ||||||||||||||||||
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) | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 13 | SE 13 | ESE 10 | SE 10 | SE 10 | SE 10 | ESE 15 | ESE 16 | ESE 16 | ESE 16 | ESE 18 | ESE 15 | ESE 16 | ESE 16 | ESE 16 |
Wave Graph  | ||||||||||||||||||||
 kJ | 24 | 22 | 23 | 22 | 22 | 26 | 26 | 42 | 28 | 27 | 28 | 42 | 102 | 100 | 149 | 348 | 222 | 561 | 724 | 662 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | glassy | glassy | off | off | off | glassy | on | on | glassy | glassy | off | off | off | glassy | on | on | glassy | off |
High Tide | 7:38PM1.76m | 7:03AM1.79m | 8:03PM1.77m | 7:40AM1.75m | 8:28PM1.77m | |||||||||||||||
Low Tide | 1:19AM0.73m | 1:34PM0.21m | 1:51AM0.67m | 2:03PM0.30m | ||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — |
 | — | — | 7:06 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 32 | 31 | 30 | 28 | 27 | 27 | 26 | 31 | 32 | 31 | 30 | 29 | 28 | 28 | 28 | 33 | 34 | 32 | 31 | 29 |
Feels °C | 34 | 34 | 35 | 32 | 29 | 29 | 28 | 33 | 33 | 34 | 35 | 33 | 31 | 31 | 31 | 37 | 38 | 36 | 37 | 34 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 11 | ESE 16 | ESE 16 | ESE 16 | ESE 18 | ESE 15 | ESE 16 | ESE 16 | ESE 16 |
| kJ | 22 | 22 | 22 | 22 | 22 | 23 | 21 | 42 | 28 | 27 | 28 | 29 | 102 | 100 | 149 | 348 | 222 | 561 | 724 | 662 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SSW 6 | SSW 6 | SSW 5 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SW 6 | SSW 6 | ESE 15 | ESE 15 | SE 11 | SE 11 | SE 11 | SE 9 | ESE 18 | SE 9 | SSW 8 | SE 9 |
| kJ | 24 | 6 | 6 | 4 | 4 | 3 | 3 | 3 | 1 | 6 | 21 | 42 | 19 | 19 | 19 | 41 | 121 | 22 | 7 | 14 |
Swell 3 Height (m) Direction Period (s) | S 4 | SE 13 | SE 12 | SE 11 | SE 11 | SE 13 | SE 13 | S 7 | S 7 | ESE 16 | SSW 5 | SSW 5 | SSW 4 | SSW 4 | E 11 | S 9 | SE 9 | SSW 8 | SE 16 | SSW 8 |
| kJ | 1 | 7 | 23 | 20 | 20 | 26 | 26 | 1 | 1 | 25 | 3 | 2 | 2 | 2 | 21 | 2 | 20 | 7 | 10 | 7 |
Wind waves Height (m) Direction Period (s) | — | S 4 | — | — | — | — | — | — | S 4 | — | — | — | — | — | — | — | S 7 | — | — | — |
| kJ | — | 1 | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | 9 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 497 | 51 | 0 | 29 | 29 | 0 | 0 | 497 | 433 | 433 | 0 | 0 | 0 | 0 | 0 | 0 | 64 | 51 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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