Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (30 Jun):
- Morning surf: Morning surf (30 Jun, local time) - 3ft (0.9m), 7s period with SSW swell.
- Afternoon surf: Afternoon surf (30 Jun, local time) - 2ft (0.6m), 9s period with SE swell.
- Evening surf: Evening surf (30 Jun, local time) - 2ft (0.6m), 9s period with SE swell.
The current surf forecast for Niyodo Rivermouth at 8AM is: 0.9m 7s primary swell from a South-southwest direction and 0.7m 9s secondary swell from a Southeast direction (forecast issued at 02:00am June 30). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jun) | 3ft (0.9m) | 7s |
| Afternoon (30 Jun) | 2ft (0.6m) | 9s |
| Evening (30 Jun) | 2ft (0.6m) | 9s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 29mm), heaviest during Wed afternoon. Warm (max 27°C on Thu afternoon, min 21°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 30 | Wednesday 1 | Thursday 2 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SE 9 | SE 9 | SSW 7 | SSW 7 | SSW 7 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 83 | 83 | 91 | 89 | 81 | 65 | 78 | 64 | 65 | 65 | 67 | 67 | 67 | 67 | 67 | 67 | 55 | 55 | 144 | 309 | 458 | 595 | 611 | 362 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | glassy | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | glassy | glassy | cross-off |
High Tide | 5:22AM1.67m | 7:09PM1.67m | 5:59AM1.70m | 7:41PM1.68m | 6:36AM1.71m | 8:11PM1.68m | ||||||||||||||||||
Low Tide | 11:58PM1.00m | 12:16PM0.18m | 00:31AM0.97m | 12:51PM0.17m | 1:05AM0.94m | 1:25PM0.18m | ||||||||||||||||||
 | |  |  | | | |  | | | | |  |  | |  | | | |  | | | | | |
 | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:19 | — | — | — | — | — | — | — | 7:19 | — | — | — | — | — | — | — | 7:19 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 8 | 2 | 1 | 1 | 1 | 1 | 5 | 6 | — | — | — |
Temp °C | 23 | 23 | 23 | 25 | 24 | 24 | 24 | 23 | 22 | 22 | 22 | 23 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 24 | 24 | 26 | 27 | 24 |
Feels °C | 27 | 26 | 27 | 28 | 27 | 27 | 27 | 27 | 25 | 24 | 24 | 26 | 25 | 24 | 24 | 25 | 26 | 28 | 27 | 26 | 27 | 31 | 31 | 26 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
| kJ | 83 | 83 | 91 | 89 | 66 | 47 | 78 | 64 | 65 | 65 | 67 | 67 | 67 | 67 | 67 | 67 | 55 | 55 | 55 | 54 | 46 | 32 | 30 | 30 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SE 9 | SE 9 | SE 9 | SE 9 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 5 | SW 5 | SSW 5 | SSW 5 | SSW 5 | S 4 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 |
| kJ | 27 | 36 | 83 | 83 | 81 | 65 | 30 | 21 | 30 | 29 | 19 | 11 | 7 | 6 | 6 | 5 | 14 | 17 | 17 | 17 | 16 | 16 | 16 | 16 |
Swell 3 Height (m) Direction Period (s) | ESE 15 | ESE 15 | ESE 15 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | — | — | — | — | — | SE 9 | SE 9 |
| kJ | 21 | 21 | 21 | 21 | 20 | 38 | 37 | 36 | 36 | 35 | 35 | 18 | 17 | 17 | 17 | 17 | 17 | — | — | — | — | — | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 5 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 48 | 144 | 309 | 458 | 595 | 611 | 362 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 283 | 183 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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