Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 3ft (0.9m), 8s period with SSE swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 3.5ft (1.0m), 8s period with SSE swell.
- Evening surf: Evening surf (10 Sep, local time) - 3.5ft (1.1m), 8s period with SE swell.
The current surf forecast for Niyodo Rivermouth at 3AM is: 1.1m 8s primary swell from a Southeast direction (forecast issued at 08:00pm September 09). An open ocean swell of 0.6m 7s is not directed at the surf break, a second open ocean swell of 1.6m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 3ft (0.9m) | 8s |
| Afternoon (10 Sep) | 3.5ft (1.0m) | 8s |
| Evening (10 Sep) | 3.5ft (1.1m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 22mm), heaviest during Thu night. Warm (max 27°C on Sat morning, min 22°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Wed 9 | Thursday 10 | Friday 11 | ||||||||||||||||
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 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 |
Wave Graph  | ||||||||||||||||||
 kJ | 322 | 256 | 206 | 158 | 154 | 114 | 126 | 123 | 145 | 140 | 121 | 107 | 107 | 88 | 97 | 125 | 117 | 153 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | on | glassy | glassy | glassy |
High Tide | 5:26PM1.79m | 4:52AM1.83m | 5:53PM1.84m | 5:36AM1.91m | 6:18PM1.86m | |||||||||||||
Low Tide | 11:08PM0.74m | 11:25AM0.13m | 11:42PM0.58m | 12:00PM0.17m | ||||||||||||||
 |  | |  | |  | | |  |  | | | | |  | | | | |
 | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — |
 | 6:21 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:17 | — |
mm | — | — | — | — | — | — | — | — | 2 | 5 | — | — | 1 | — | 1 | 1 | 1 | — |
Temp °C | 25 | 24 | 23 | 22 | 22 | 24 | 24 | 24 | 22 | 22 | 23 | 23 | 24 | 25 | 26 | 26 | 25 | 25 |
Feels °C | 26 | 25 | 23 | 23 | 23 | 26 | 27 | 27 | 26 | 26 | 27 | 26 | 28 | 29 | 30 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 |
| kJ | 322 | 256 | 206 | 158 | 154 | 114 | 126 | 123 | 145 | 125 | 121 | 107 | 107 | 88 | 97 | 125 | 117 | 153 |
Swell 2 Height (m) Direction Period (s) | E 18 | S 8 | ENE 7 | ENE 7 | ENE 5 | E 5 | E 5 | E 15 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | E 9 | E 9 | E 9 | E 14 | E 14 | E 14 |
| kJ | 6 | 35 | 42 | 42 | 15 | 14 | 13 | 18 | 12 | 12 | 12 | 12 | 25 | 55 | 53 | 61 | 59 | 61 |
Swell 3 Height (m) Direction Period (s) | E 18 | E 17 | SSW 8 | SSW 8 | SSW 8 | ENE 7 | E 16 | E 7 | E 15 | E 15 | ESE 11 | E 15 | E 15 | E 15 | E 14 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 24 | 23 | 23 | 23 | 14 | 10 | 20 | 1 | 17 | 39 | 22 | 38 | 39 | 74 | 63 | 19 | 20 | 18 |
Wind waves Height (m) Direction Period (s) | N 3 | NE 6 | NE 7 | NE 7 | NE 7 | NE 6 | ENE 5 | E 5 | ENE 5 | SE 7 | — | E 5 | E 5 | ENE 8 | — | E 8 | E 4 | E 4 |
| kJ | 2 | 20 | 244 | 220 | 230 | 223 | 30 | 16 | 24 | 140 | — | 20 | 12 | 79 | — | 41 | 13 | 9 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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