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 SSW 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 1AM is: 2.1m 7s primary swell from a South-southwest direction and 0.4m 10s secondary swell from a Southeast direction, 0.1m 12s secondary swell from a Southeast direction (forecast issued at 08:00pm June 20). The wind direction is predicted to be cross-onshore.
| 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 ForecastModerate rain (total 12mm), heaviest on Sat night. Warm (max 29°C on Sun morning, min 20°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||||||||
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) | SSW 6 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 249 | 396 | 465 | 491 | 419 | 477 | 263 | 185 | 113 | 85 | 50 | 31 | 43 | 59 | 48 | 48 | 47 | 63 | 61 | 48 | 35 | 49 | 35 | 55 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | glassy | cross-on | cross-on | cross | off | off | off | off | off | cross-off | on | on | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | glassy |
High Tide | 10:44PM1.61m | 10:16AM1.48m | 11:28PM1.57m | 11:35AM1.37m | 00:12AM1.54m | 1:08PM1.32m | ||||||||||||||||||
Low Tide | 3:55PM0.38m | 4:38AM0.87m | 4:44PM0.58m | 5:45AM0.81m | 5:37PM0.76m | 6:54AM0.73m | ||||||||||||||||||
 |  |  |  |  |  | |  | |  |  | | | | | |  |  | | | | | | | |
 | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — |
 | 7:16 | — | — | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:17 | — | — | — | — | — | — | 7:17 |
mm | 3 | 2 | 8 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 24 | 24 | 24 | 24 | 26 | 29 | 29 | 26 | 22 | 21 | 20 | 20 | 25 | 27 | 26 | 24 | 23 | 22 | 22 | 21 | 22 | 22 | 23 |
Feels °C | 27 | 26 | 27 | 27 | 29 | 29 | 29 | 30 | 26 | 22 | 21 | 20 | 20 | 26 | 28 | 27 | 27 | 25 | 24 | 24 | 23 | 24 | 23 | 25 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SSW 8 | 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 |
| kJ | 24 | 23 | 33 | 31 | 31 | 353 | 30 | 21 | 113 | 85 | 50 | 31 | 28 | 18 | 48 | 48 | 47 | 63 | 61 | 48 | 35 | 49 | 35 | 55 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 9 | SE 11 | SE 11 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | S 6 | SSE 13 | S 5 | S 5 | S 5 | SSE 11 | SW 5 | SSW 5 | SSW 5 | S 12 |
| kJ | 6 | 6 | 6 | 6 | 6 | 30 | 20 | 19 | 29 | 29 | 29 | 29 | 43 | 59 | 15 | 16 | 13 | 8 | 4 | 24 | 6 | 5 | 5 | 26 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | E 18 | E 18 | E 18 | E 18 | SE 11 | SE 11 | SE 11 | SE 11 | SE 16 | S 14 | SSE 13 | E 16 | SSE 13 | S 12 | SSE 10 | S 5 | SSE 11 | SE 13 | S 12 | SE 13 |
| kJ | — | — | — | — | 6 | 6 | 6 | 6 | 19 | 19 | 19 | 19 | 10 | 4 | 16 | 5 | 32 | 12 | 10 | 4 | 24 | 28 | 27 | 27 |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | WNW 3 | NW 3 | NNW 3 | NNW 3 | NNW 3 | — | SSE 5 | S 5 | — | — | — | — | WNW 3 | — | — | NE 5 |
| kJ | 249 | 396 | 465 | 491 | 419 | 477 | 263 | 185 | 4 | 2 | 3 | 3 | 2 | — | 5 | 14 | — | — | — | — | 1 | — | — | 32 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 432 | 82 | 82 | 51 | 0 | 51 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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