Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (02 Sep):
- Morning surf: Morning surf (02 Sep, local time) - 4ft (1.2m), 9s period with SSE swell.
- Afternoon surf: Afternoon surf (02 Sep, local time) - 4.5ft (1.3m), 9s period with SSE swell.
- Evening surf: Evening surf (02 Sep, local time) - 4ft (1.2m), 9s period with SSE swell.
The current surf forecast for Niyodo Rivermouth at 12AM is: 1.1m 8s primary swell from a South direction and 0.7m 12s secondary swell from a East direction (forecast issued at 08:00pm September 01). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Sep) | 4ft (1.2m) | 9s |
| Afternoon (02 Sep) | 4.5ft (1.3m) | 9s |
| Evening (02 Sep) | 4ft (1.2m) | 9s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 162mm), heaviest during Thu night. Warm (max 30°C on Wed morning, min 23°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||||
Tue 1 | Wednesday 2 | Thursday 3 | ||||||||||||||||
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 12 | E 12 | S 8 | S 8 | SSE 8 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 148 | 144 | 157 | 161 | 180 | 243 | 260 | 254 | 249 | 222 | 151 | 147 | 147 | 180 | 331 | 502 | 715 | 707 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | cross-off | off | cross-off | glassy | on | on | cross-on | cross-off | glassy | glassy | off | cross-off | off | off | cross-off | off |
High Tide | 8:08PM1.81m | 8:53AM1.62m | 8:36PM1.75m | 9:49AM1.48m | ||||||||||||||
Low Tide | 2:34AM0.36m | 2:35PM0.72m | 3:19AM0.39m | 3:09PM0.91m | ||||||||||||||
 |  | | |  | | |  |  |  |  |  |  | |  |  | |  | |
 | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — |
 | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — |
mm | — | — | — | — | — | — | — | — | 1 | 2 | — | 3 | 4 | 3 | 13 | 9 | 16 | 43 |
Temp °C | 28 | 26 | 25 | 25 | 25 | 28 | 30 | 29 | 28 | 26 | 26 | 25 | 24 | 24 | 24 | 23 | 23 | 23 |
Feels °C | 32 | 31 | 29 | 28 | 28 | 31 | 33 | 31 | 32 | 30 | 31 | 30 | 27 | 28 | 27 | 25 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | SSE 8 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
| kJ | 93 | 114 | 157 | 161 | 180 | 243 | 260 | 254 | 249 | 222 | 151 | 147 | 147 | 180 | 331 | 502 | 715 | 707 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 148 | 144 | 139 | 134 | 125 | 119 | 121 | 121 | 114 | 112 | 112 | 80 | 73 | 73 | 74 | 75 | 52 | 51 |
Swell 3 Height (m) Direction Period (s) | SSW 9 | SSW 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 10 | E 5 | E 5 | SE 9 | SE 10 | SE 10 | SE 13 |
| kJ | 16 | 16 | 14 | 14 | 15 | 16 | 26 | 27 | 18 | 29 | 18 | 17 | 12 | 13 | 14 | 16 | 14 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | ENE 6 | E 6 | E 6 | ENE 6 | E 5 | E 5 | — | E 4 | E 5 | — | — | ENE 5 | ENE 4 | ENE 5 | E 6 |
| kJ | — | — | — | 7 | 6 | 6 | 6 | 2 | 2 | — | 9 | 11 | — | — | 15 | 16 | 56 | 68 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 58 | 0 | 0 | 0 | 0 | 0 | 82 | 82 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Surf Rating (10 Max)
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