Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (19 Jul):
- Morning surf: Morning surf (19 Jul, local time) - 1.5ft (0.5m), 9s period with E swell.
- Afternoon surf: Afternoon surf (19 Jul, local time) - 1.5ft (0.5m), 9s period with E swell.
- Evening surf: Evening surf (19 Jul, local time) - 1.5ft (0.5m), 10s period with E swell.
The current surf forecast for Niyodo Rivermouth at 12AM is: 0.5m 9s primary swell from a East direction and 0.4m 8s secondary swell from a Southeast direction, 0.3m 4s secondary swell from a East-southeast direction (forecast issued at 08:00pm July 18). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Jul) | 1.5ft (0.5m) | 9s |
| Afternoon (19 Jul) | 1.5ft (0.5m) | 9s |
| Evening (19 Jul) | 1.5ft (0.5m) | 10s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat night. Warm (max 30°C on Sun morning, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | ||||||||||||||||
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 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 38 | 42 | 41 | 43 | 43 | 44 | 42 | 43 | 45 | 45 | 47 | 44 | 60 | 60 | 60 | 60 | 59 | 65 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | glassy | glassy | glassy | on | on | on | glassy | glassy | glassy | glassy | glassy | on | on | on | glassy |
High Tide | 9:12PM1.74m | 8:56AM1.65m | 9:43PM1.69m | 9:48AM1.51m | ||||||||||||||
Low Tide | 3:06AM0.70m | 3:16PM0.45m | 3:52AM0.67m | 3:50PM0.66m | ||||||||||||||
 |  |  | |  | | | | |  | | | | | | | | | |
 | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — |
 | 7:15 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:14 | — |
mm | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 28 | 27 | 27 | 26 | 28 | 30 | 30 | 29 | 27 | 26 | 26 | 26 | 29 | 29 | 29 | 29 | 27 |
Feels °C | 34 | 34 | 33 | 33 | 31 | 33 | 34 | 34 | 34 | 33 | 31 | 31 | 31 | 34 | 33 | 33 | 35 | 33 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 |
| kJ | 38 | 42 | 41 | 43 | 43 | 44 | 42 | 43 | 45 | 45 | 47 | 44 | 60 | 60 | 60 | 60 | 59 | 65 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SSW 7 | SE 8 | SE 8 | SE 8 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | SE 5 | SE 4 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 18 | 9 | 17 | 11 | 11 | 5 | 10 | 9 | 9 | 5 | 6 | 5 | 8 | 7 | 14 | 14 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | SSW 7 | SE 8 | SSW 6 | SSW 7 | SSW 7 | SE 8 | SE 8 | SE 8 | SE 7 | SSW 6 | SSW 6 | SSE 9 | SSW 7 | ESE 12 | SSW 5 | ESE 12 | SSW 6 | SW 5 |
| kJ | 9 | 11 | 3 | 9 | 9 | 10 | 9 | 9 | 9 | 3 | 3 | 8 | 4 | 14 | 3 | 14 | 4 | 1 |
Wind waves Height (m) Direction Period (s) | E 3 | ESE 4 | ESE 4 | — | SSE 3 | — | — | — | — | — | — | — | — | — | — | SSW 5 | — | — |
| kJ | 1 | 1 | 2 | — | 1 | — | — | — | — | — | — | — | — | — | — | 2 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 297 | 0 | 0 | 0 | 0 | 0 | 433 | 51 | 29 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 51 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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