Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (21 Jun):
- Morning surf: Morning surf (21 Jun, local time) - 6.5ft (2.0m), 8s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Jun, local time) - 4.5ft (1.4m), 7s period with SW swell.
- Evening surf: Evening surf (21 Jun, local time) - 3.5ft (1.0m), 7s period with SSW swell.
The current surf forecast for Niyodo Rivermouth at 2PM is: 1.5m 7s primary swell from a South-southwest direction and 0.4m 9s secondary swell from a Southeast direction, 0.3m 11s secondary swell from a Southeast direction (forecast issued at 08:00am June 21). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jun) | 6.5ft (2.0m) | 8s |
| Afternoon (21 Jun) | 4.5ft (1.4m) | 7s |
| Evening (21 Jun) | 3.5ft (1.0m) | 7s |
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 5mm), mostly falling on Mon night. Warm (max 29°C on Sun morning, min 20°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | Wed 24 | |||||||||||||||||||||
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 | 6 PM | 9 PM | 12 AM | 3 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 7 | SW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SSW 14 | S 13 | S 12 | S 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 572 | 441 | 279 | 206 | 117 | 88 | 64 | 48 | 43 | 46 | 48 | 48 | 47 | 63 | 61 | 47 | 48 | 48 | 49 | 71 | 64 | 121 | 143 | 178 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-off | off | off | off | off | off | cross-off | on | cross-on | glassy | off | cross-off | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy |
High Tide | 10:16AM1.48m | 11:28PM1.57m | 11:35AM1.37m | 00:12AM1.54m | 1:08PM1.32m | 00:58AM1.52m | ||||||||||||||||||
Low Tide | 4:38AM0.87m | 4:44PM0.58m | 5:45AM0.81m | 5:37PM0.76m | 6:54AM0.73m | 6:39PM0.91m | ||||||||||||||||||
 |  |  |  | |  | | | | | | |  |  | | | | | | | | |  | | |
 | 4:54 | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:56 |
 | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:17 | — | — | 7:17 |
mm | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 25 | 27 | 29 | 29 | 25 | 22 | 21 | 20 | 21 | 25 | 26 | 26 | 24 | 21 | 20 | 20 | 20 | 21 | 22 | 22 | 22 | 21 | 20 | 20 |
Feels °C | 30 | 30 | 29 | 29 | 25 | 22 | 21 | 20 | 22 | 26 | 27 | 28 | 28 | 23 | 22 | 22 | 22 | 24 | 24 | 24 | 24 | 23 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | S 13 | S 12 | S 12 |
| kJ | 31 | 31 | 30 | 21 | 117 | 88 | 64 | 48 | 29 | 20 | 48 | 48 | 47 | 63 | 61 | 47 | 48 | 48 | 49 | 71 | 40 | 121 | 143 | 178 |
Swell 2 Height (m) Direction Period (s) | SE 12 | E 18 | E 18 | SE 11 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | S 6 | SW 6 | SSW 5 | SSW 5 | SSE 10 | SSE 11 | S 5 | SSW 5 | SSE 10 | S 15 | SSW 14 | SE 13 | SE 12 | ESE 12 |
| kJ | 6 | 6 | 6 | 19 | 21 | 29 | 29 | 29 | 43 | 46 | 16 | 8 | 9 | 9 | 10 | 24 | 2 | 2 | 22 | 67 | 64 | 101 | 68 | 93 |
Swell 3 Height (m) Direction Period (s) | E 18 | — | E 18 | E 18 | SE 11 | SE 11 | SE 11 | SE 11 | SE 16 | S 14 | SSE 13 | SSE 5 | SSE 13 | S 12 | SSE 5 | S 5 | SSE 11 | S 11 | S 16 | SE 13 | SSE 12 | — | E 10 | E 10 |
| kJ | 6 | — | 6 | 6 | 19 | 19 | 19 | 19 | 10 | 4 | 16 | 5 | 32 | 12 | 2 | 2 | 12 | 10 | 19 | 27 | 46 | — | 2 | 2 |
Wind waves Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 7 | SW 7 | NW 3 | NW 3 | NNW 3 | NNW 3 | NNW 3 | NNW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 4 |
| kJ | 572 | 441 | 279 | 206 | 3 | 2 | 5 | 4 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 51 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 65 | 58 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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