Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 4.5ft (1.4m), 9s period with ESE swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 4.5ft (1.3m), 9s period with ESE swell.
- Evening surf: Evening surf (15 Sep, local time) - 4.5ft (1.3m), 9s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 7AM is: 1.3m 9s primary swell from a East-southeast direction and 0.4m 12s secondary swell from a East direction (forecast issued at 08:00pm September 14). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 4.5ft (1.4m) | 9s |
| Afternoon (15 Sep) | 4.5ft (1.3m) | 9s |
| Evening (15 Sep) | 4.5ft (1.3m) | 9s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 32mm), heaviest during Wed afternoon. Warm (max 28°C on Thu morning, min 19°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Mon 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||||
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 10 | 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 | 166 | 154 | 269 | 307 | 295 | 327 | 288 | 261 | 249 | 249 | 211 | 194 | 165 | 165 | 180 | 176 | 172 | 162 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | glassy | glassy | glassy | on | on | glassy | glassy | glassy | off | glassy | glassy | glassy | cross-off | off | 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 | 2 | — | — | 1 | 1 | 1 | 1 | 4 | — | — | — | 2 | 6 | 13 | — | — |
Temp °C | 26 | 25 | 25 | 24 | 24 | 25 | 27 | 27 | 26 | 25 | 24 | 24 | 24 | 25 | 24 | 23 | 24 | 21 |
Feels °C | 30 | 29 | 30 | 28 | 28 | 29 | 30 | 30 | 30 | 29 | 28 | 27 | 27 | 29 | 28 | 26 | 27 | 22 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 10 | 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 | 166 | 154 | 269 | 307 | 295 | 327 | 288 | 261 | 249 | 249 | 211 | 194 | 165 | 165 | 180 | 176 | 172 | 162 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | E 12 | E 12 | E 14 | E 14 | E 13 | E 13 | E 13 | E 13 | E 14 | E 14 | E 14 | E 12 | E 13 | E 13 | E 13 |
| kJ | 71 | 103 | 44 | 46 | 47 | 37 | 35 | 30 | 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 | E 15 | E 12 | E 12 | E 15 | S 6 | S 6 | S 6 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 |
| kJ | 4 | 4 | 1 | 1 | 4 | 11 | 11 | 39 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | ENE 3 | E 4 | ENE 4 | ENE 4 | ENE 4 | ENE 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 16 | 15 | 15 | 21 | 22 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 51 | 0 | 0 | 0 | 0 | 0 | 29 | 29 | 0 | 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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