
Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (27 Jul):
- Afternoon surf: Afternoon surf (27 Jul, local time) - 2.5ft (0.7m), 9s period with S swell.
- Evening surf: Evening surf (27 Jul, local time) - 2ft (0.6m), 9s period with S swell.
The current surf forecast for Niyodo Rivermouth at 8PM is: 0.4m 14s primary swell from a Southeast direction and 0.6m 9s secondary swell from a South direction, 0.5m 10s secondary swell from a Southeast direction, 0.3m 3s secondary swell from a Southwest direction (forecast issued at 02:00pm July 27). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Jul) | - | - |
| Afternoon (27 Jul) | 2.5ft (0.7m) | 9s |
| Evening (27 Jul) | 2ft (0.6m) | 9s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Mon afternoon. Warm (max 34°C on Wed afternoon, min 27°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Mon 27 | Tuesday 28 | Wednesday 29 | ||||||||||||||||||
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 14 | S 9 | S 9 | SE 14 | SE 10 | SE 10 | SE 14 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 10 |
Wave Graph | ||||||||||||||||||||
71 | 73 | 74 | 55 | 52 | 51 | 51 | 50 | 50 | 67 | 67 | 67 | 65 | 65 | 65 | 48 | 48 | 48 | 38 | 38 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | glassy | glassy | off | glassy | glassy | glassy | on | on | cross | glassy | off | cross-off | cross-off | glassy | cross-on | cross-on | off | off |
High Tide | 5:56PM1.60m | 4:35AM1.62m | 6:23PM1.66m | 5:15AM1.70m | 6:49PM1.71m | |||||||||||||||
Low Tide | 11:15PM1.04m | 11:31AM0.23m | 11:47PM0.96m | 12:04PM0.17m | ||||||||||||||||
— | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | |
— | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:07 | — | |
mm | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 31 | 31 | 30 | 28 | 28 | 27 | 27 | 30 | 32 | 32 | 30 | 29 | 28 | 28 | 28 | 31 | 32 | 34 | 32 | 29 |
Feels °C | 34 | 35 | 36 | 33 | 33 | 31 | 32 | 35 | 36 | 36 | 34 | 33 | 31 | 31 | 31 | 34 | 35 | 37 | 36 | 32 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | ESE 10 | ESE 10 | ESE 10 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SE 10 | ESE 10 | ESE 10 |
51 | 73 | 74 | 55 | 52 | 51 | 51 | 50 | 35 | 67 | 67 | 67 | 33 | 31 | 26 | 18 | 17 | 48 | 38 | 38 | |
Swell 2 Height (m) Direction Period (s) | SE 10 | ESE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | S 8 | S 8 | SSW 8 | ESE 10 | ESE 10 | ESE 10 | SE 10 | SE 10 | SSW 8 | SSW 8 | SSW 8 |
53 | 68 | 68 | 51 | 51 | 51 | 50 | 50 | 50 | 34 | 34 | 22 | 65 | 65 | 65 | 48 | 48 | 19 | 20 | 12 | |
Swell 3 Height (m) Direction Period (s) | SE 14 | SE 14 | SE 14 | SE 14 | SE 14 | SE 14 | SE 14 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SE 13 | SE 13 | SE 13 |
71 | 71 | 70 | 49 | 29 | 29 | 46 | 28 | 28 | 28 | 27 | 28 | 22 | 22 | 22 | 21 | 18 | 27 | 27 | 26 | |
Wind waves Height (m) Direction Period (s) | — | — | SSW 3 | SW 3 | SW 3 | SW 3 | SW 4 | SW 4 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | W 4 | WNW 3 | — | WNW 2 | SW 6 | SW 6 | SW 4 | SW 5 |
— | — | 1 | 1 | 4 | 4 | 3 | 8 | 4 | 14 | 28 | 39 | 7 | 3 | — | 1 | 26 | 15 | 13 | 17 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 344 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 29 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)











