Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 1.5ft (0.5m), 11s period with E swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 1ft (0.3m), 11s period with ESE swell.
- Evening surf: Evening surf (21 Jul, local time) - 1ft (0.3m), 11s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 4AM is: 0.5m 10s primary swell from a East direction and 0.2m 7s secondary swell from a South-southwest direction (forecast issued at 08:00pm July 20). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 1.5ft (0.5m) | 11s |
| Afternoon (21 Jul) | 1ft (0.3m) | 11s |
| Evening (21 Jul) | 1ft (0.3m) | 11s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 30°C on Tue morning, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||
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 11 | E 11 | E 10 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 10 | E 10 | E 11 | E 10 | E 10 | E 10 | E 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 59 | 60 | 60 | 42 | 58 | 58 | 55 | 22 | 22 | 22 | 22 | 21 | 22 | 36 | 33 | 18 | 17 | 18 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | glassy | glassy | on | on | on | glassy | glassy | glassy | glassy | glassy | on | on | on | glassy |
High Tide | 10:14PM1.63m | 10:51AM1.37m | 10:46PM1.56m | 12:17PM1.26m | ||||||||||||||
Low Tide | 3:50PM0.66m | 4:44AM0.67m | 4:25PM0.85m | 5:45AM0.66m | 5:07PM1.03m | |||||||||||||
 |  | | | | | | | | | | | | | | | | | |
 | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — |
 | 7:14 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:12 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 28 | 27 | 27 | 27 | 29 | 30 | 30 | 29 | 28 | 27 | 26 | 27 | 30 | 30 | 30 | 29 | 27 |
Feels °C | 35 | 34 | 32 | 32 | 32 | 34 | 34 | 34 | 35 | 35 | 33 | 31 | 32 | 36 | 34 | 35 | 35 | 33 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 11 | E 11 | E 10 | E 8 | E 8 | E 8 | E 8 | ESE 10 | E 10 | E 11 | E 10 | E 10 | E 10 | E 10 |
| kJ | 59 | 60 | 60 | 42 | 58 | 58 | 55 | 21 | 12 | 12 | 12 | 21 | 18 | 36 | 33 | 18 | 17 | 18 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SSW 7 | SSE 8 | SSE 8 | SSE 8 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | E 8 | ESE 10 | ESE 10 | ESE 11 | ESE 11 | ESE 10 | SW 3 |
| kJ | 7 | 7 | 13 | 5 | 7 | 7 | 7 | 22 | 22 | 22 | 22 | 12 | 22 | 10 | 11 | 11 | 11 | 2 |
Swell 3 Height (m) Direction Period (s) | ESE 11 | SSW 4 | SSW 4 | SSE 8 | SSW 3 | SSW 8 | E 13 | SSE 8 | SSE 8 | E 11 | E 11 | E 11 | SSW 3 | SSW 3 | SSE 8 | SSE 8 | SSE 8 | ESE 11 |
| kJ | 13 | 2 | 1 | 7 | 1 | 6 | 3 | 6 | 6 | 9 | 9 | 10 | 1 | 1 | 6 | 6 | 6 | 11 |
Wind waves Height (m) Direction Period (s) | SSW 4 | — | SSW 7 | — | SW 8 | SW 8 | SSW 8 | SSW 8 | SSW 3 | SSW 3 | SW 3 | SSW 3 | SW 3 | — | SSW 3 | SSW 2 | SSW 3 | SW 3 |
| kJ | 2 | — | 10 | — | 9 | 10 | 6 | 6 | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 906 | 51 | 233 | 51 | 29 | 29 | 51 | 51 | 297 | 283 | 279 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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