Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (30 Sep):
- Afternoon surf: Afternoon surf (30 Sep, local time) - 3.5ft (1.1m), 9s period with SSE swell.
- Evening surf: Evening surf (30 Sep, local time) - 3ft (0.9m), 8s period with SSE swell.
The current surf forecast for Niyodo Rivermouth at 5PM is: 1.0m 9s primary swell from a South-southeast direction and 0.7m 7s secondary swell from a East direction (forecast issued at 02:00pm September 30). An open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | - | - |
| Afternoon (30 Sep) | 3.5ft (1.1m) | 9s |
| Evening (30 Sep) | 3ft (0.9m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Thu morning, min 15°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Wed 30 | Thursday 1 | Friday 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) | SSE 9 | SSE 9 | SSE 9 | SSE 8 | E 8 | E 8 | E 8 | E 9 | E 8 | E 8 | ESE 8 | ESE 7 | E 8 | E 8 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | ESE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 188 | 194 | 157 | 117 | 117 | 117 | 124 | 119 | 111 | 84 | 99 | 73 | 48 | 21 | 27 | 19 | 15 | 21 | 16 | 28 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | glassy | glassy | glassy | glassy | off | glassy | on | glassy | glassy | off | off | off | off | off | off | glassy | off | off |
High Tide | 7:30PM1.82m | 8:50AM1.64m | 8:01PM1.74m | 9:53AM1.49m | 8:37PM1.64m | |||||||||||||||
Low Tide | 1:41PM0.73m | 2:12AM0.19m | 2:15PM0.89m | 3:00AM0.27m | 2:55PM1.05m | |||||||||||||||
 | |  | |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | 5:52 | — | — | — | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:49 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 23 | 22 | 22 | 22 | 21 | 24 | 26 | 26 | 24 | 21 | 21 | 21 | 19 | 22 | 25 | 25 | 21 | 18 |
Feels °C | 27 | 27 | 26 | 25 | 25 | 25 | 23 | 26 | 27 | 28 | 27 | 21 | 21 | 21 | 18 | 20 | 24 | 25 | 19 | 16 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | SSE 8 | E 8 | E 8 | E 8 | E 9 | E 8 | E 8 | ESE 8 | ESE 7 | E 8 | E 8 | SE 7 | SE 7 | E 6 | ENE 6 | E 5 | E 7 |
| kJ | 188 | 194 | 157 | 117 | 117 | 117 | 124 | 119 | 111 | 84 | 99 | 73 | 48 | 21 | 27 | 19 | 20 | 14 | 12 | 24 |
Swell 2 Height (m) Direction Period (s) | E 6 | E 7 | E 7 | E 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 8 | SE 11 | SE 7 | SE 7 | E 8 | ENE 6 | SE 8 | ENE 5 | ENE 7 | ESE 8 |
| kJ | 30 | 32 | 63 | 90 | 93 | 60 | 46 | 44 | 34 | 33 | 2 | 5 | 16 | 16 | 12 | 13 | 15 | 8 | 15 | 28 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | — | — | S 6 | SW 6 | SE 12 | SW 6 | SE 11 | SE 11 | SE 11 | S 6 | SE 11 | SE 11 | E 7 | E 8 | E 9 | SE 8 | SE 8 | E 11 |
| kJ | 2 | 2 | — | — | 1 | 2 | 6 | 1 | 5 | 5 | 5 | 1 | 5 | 4 | 8 | 12 | 6 | 21 | 16 | 2 |
Wind waves Height (m) Direction Period (s) | — | ENE 6 | — | — | — | — | — | — | — | — | — | — | — | NNW 2 | NNW 2 | NNW 3 | ENE 6 | ENE 6 | NE 6 | — |
| kJ | — | 98 | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 170 | 128 | 139 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 61 | 61 | 0 | 0 | 0 | 0 | 0 | 0 | 58 | 0 | 0 | 0 | 0 | 55 | 55 | 432 | 3259 | 439 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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