Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (14 Sep):
- Afternoon surf: Afternoon surf (14 Sep, local time) - 3.5ft (1.1m), 8s period with SE swell.
- Evening surf: Evening surf (14 Sep, local time) - 3.5ft (1.1m), 8s period with SE swell.
The current surf forecast for Niyodo Rivermouth at 9PM is: 1.1m 8s primary swell from a Southeast direction and 0.6m 12s secondary swell from a East direction (forecast issued at 02:00pm September 14). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | - | - |
| Afternoon (14 Sep) | 3.5ft (1.1m) | 8s |
| Evening (14 Sep) | 3.5ft (1.1m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 35mm), heaviest during Wed afternoon. Warm (max 28°C on Mon afternoon, min 20°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Mon 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||||||
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) | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 162 | 154 | 166 | 154 | 247 | 307 | 295 | 327 | 327 | 261 | 255 | 216 | 211 | 194 | 165 | 165 | 151 | 176 | 134 | 134 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | glassy | glassy | glassy | glassy | glassy | on | glassy | glassy | glassy | glassy | off | glassy | glassy | cross-on | cross-off | glassy | off |
High Tide | 7:27PM1.81m | 8:10AM1.69m | 7:49PM1.75m | 8:48AM1.55m | 8:09PM1.68m | |||||||||||||||
Low Tide | 1:49AM0.31m | 1:53PM0.70m | 2:22AM0.36m | 2:16PM0.85m | ||||||||||||||||
 |  | |  |  |  |  |  | | | | | | | | |  | | |  | |
 | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | 6:14 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:10 | — |
mm | — | 1 | 1 | — | 1 | — | — | — | 2 | 2 | 1 | 1 | — | — | 3 | 6 | 8 | 9 | — | — |
Temp °C | 28 | 28 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 23 | 24 | 25 | 24 | 24 | 22 |
Feels °C | 32 | 31 | 30 | 30 | 29 | 28 | 28 | 29 | 30 | 30 | 30 | 29 | 28 | 27 | 26 | 28 | 29 | 27 | 28 | 24 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
| kJ | 162 | 154 | 166 | 154 | 247 | 307 | 295 | 327 | 327 | 261 | 255 | 216 | 211 | 194 | 165 | 165 | 151 | 176 | 134 | 134 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 | E 14 | E 14 | E 14 | E 12 | E 13 | E 13 | E 13 |
| kJ | 50 | 73 | 71 | 103 | 68 | 46 | 47 | 37 | 35 | 57 | 56 | 54 | 54 | 57 | 63 | 63 | 49 | 51 | 52 | 52 |
Swell 3 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | E 15 | E 12 | E 12 | S 6 | S 6 | S 6 | S 6 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 |
| kJ | 4 | 4 | 4 | 4 | 1 | 1 | 4 | 11 | 11 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 3 | — | ENE 4 | ENE 4 | ENE 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | — | 13 | 13 | 14 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 51 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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