Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (15 Jun):
- Morning surf: Morning surf (15 Jun, local time) - 6ft (1.8m), 8s period with ESE swell.
- Afternoon surf: Afternoon surf (15 Jun, local time) - 6ft (1.9m), 9s period with ESE swell.
- Evening surf: Evening surf (15 Jun, local time) - 6ft (1.9m), 9s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 4AM is: 1.7m 6s primary swell from a East-southeast direction and 0.2m 10s secondary swell from a East direction, 0.2m 15s secondary swell from a East-southeast direction (forecast issued at 08:00pm June 14). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Jun) | 6ft (1.8m) | 8s |
| Afternoon (15 Jun) | 6ft (1.9m) | 9s |
| Evening (15 Jun) | 6ft (1.9m) | 9s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Sun night. Warm (max 23°C on Mon morning, min 19°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | ESE 4 | ESE 5 | ESE 6 | ESE 6 | SE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | ESE 9 | E 9 | E 9 | E 9 | ESE 9 | ESE 5 | ESE 6 | SE 6 | ESE 6 | ESE 7 | ESE 7 | ESE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 50 | 62 | 119 | 207 | 276 | 444 | 512 | 554 | 547 | 542 | 432 | 372 | 333 | 281 | 235 | 194 | 208 | 109 | 154 | 188 | 262 | 458 | 653 | 743 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | off | glassy | glassy | on | on | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross | cross |
High Tide | 6:03PM1.83m | 4:58AM1.83m | 6:53PM1.86m | 5:45AM1.86m | 7:42PM1.84m | 6:33AM1.85m | ||||||||||||||||||
Low Tide | 11:31PM0.95m | 11:55AM-0.10m | 00:19AM0.96m | 12:43PM-0.12m | 1:06AM0.96m | 1:32PM-0.08m | ||||||||||||||||||
 |  | |  |  | |  | | |  | | | | |  | | | | | | | | | | |
 | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — |
 | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | 7:16 |
mm | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | 1 | 1 |
Temp °C | 20 | 19 | 19 | 19 | 19 | 22 | 23 | 22 | 22 | 21 | 20 | 19 | 19 | 22 | 23 | 23 | 22 | 21 | 21 | 20 | 20 | 22 | 21 | 22 |
Feels °C | 19 | 20 | 20 | 20 | 20 | 23 | 23 | 22 | 24 | 23 | 22 | 21 | 20 | 23 | 24 | 24 | 23 | 21 | 22 | 21 | 21 | 23 | 22 | 23 |
Swell 1 Height (m) Direction Period (s) | S 6 | SSW 6 | E 10 | E 10 | SE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | ESE 9 | E 9 | E 9 | E 9 | SSW 7 | SSW 7 | SSW 7 | ESE 13 | SSW 11 | SSW 9 | SSW 9 | S 8 |
| kJ | 15 | 10 | 7 | 8 | 276 | 444 | 512 | 554 | 547 | 542 | 432 | 372 | 333 | 281 | 235 | 194 | 15 | 9 | 4 | 17 | 12 | 177 | 238 | 200 |
Swell 2 Height (m) Direction Period (s) | SE 14 | ESE 10 | SE 10 | E 15 | ESE 15 | ESE 15 | SE 15 | SE 15 | SE 15 | S 8 | SSE 8 | SSE 8 | S 7 | S 7 | S 7 | SSW 7 | SE 11 | ESE 13 | ESE 11 | SE 11 | SE 11 | SE 13 | E 19 | E 19 |
| kJ | 7 | 9 | 4 | 17 | 21 | 21 | 8 | 8 | 8 | 1 | 13 | 21 | 36 | 24 | 24 | 15 | 4 | 17 | 11 | 4 | 5 | 7 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | E 15 | E 10 | E 15 | SE 12 | SE 12 | — | — | — | — | — | SSW 8 | SSW 8 | — | — | SE 11 | SE 11 | SE 13 | SE 11 | ESE 13 | — | SE 13 | — | — | — |
| kJ | 4 | 7 | 4 | 6 | 6 | — | — | — | — | — | 6 | 11 | — | — | 5 | 5 | 7 | 4 | 17 | — | 7 | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 4 | ESE 5 | ESE 6 | ESE 6 | ENE 7 | ENE 8 | — | — | — | — | — | — | — | — | ESE 2 | — | ESE 9 | ESE 5 | ESE 6 | SE 6 | ESE 6 | ESE 7 | ESE 7 | ESE 8 |
| kJ | 50 | 62 | 119 | 207 | 48 | 176 | — | — | — | — | — | — | — | — | 1 | — | 208 | 109 | 154 | 188 | 262 | 458 | 653 | 743 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 645 | 0 | 0 | 0 | 0 | 0 | 103 | 55 | 0 | 0 | 0 | 0 | 0 | 0 | 82 | 58 | 29 | 29 | 432 | 0 | 0 | 0 | 183 | 183 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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