Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (14 Aug):
- Morning surf: Morning surf (14 Aug, local time) - 2.5ft (0.8m), 9s period with SSW swell.
- Afternoon surf: Afternoon surf (14 Aug, local time) - 2.5ft (0.8m), 9s period with S swell.
- Evening surf: Evening surf (14 Aug, local time) - 2.5ft (0.7m), 10s period with E swell.
The current surf forecast for Niyodo Rivermouth at 9AM is: 0.8m 9s primary swell from a South-southwest direction and 0.6m 10s secondary swell from a East direction (forecast issued at 02:00am August 14). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Aug) | 2.5ft (0.8m) | 9s |
| Afternoon (14 Aug) | 2.5ft (0.8m) | 9s |
| Evening (14 Aug) | 2.5ft (0.7m) | 10s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Sun morning. Warm (max 28°C on Fri morning, min 24°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||||||||||||
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) | S 9 | S 9 | S 9 | SSW 9 | SSW 9 | S 9 | S 9 | E 10 | E 10 | S 10 | S 10 | S 10 | S 9 | S 9 | E 10 | E 10 | S 9 | E 10 | E 10 | E 10 | E 6 | ESE 6 | ESE 6 | ESE 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 101 | 101 | 96 | 99 | 99 | 94 | 73 | 96 | 96 | 125 | 122 | 117 | 106 | 103 | 96 | 94 | 73 | 69 | 68 | 279 | 144 | 230 | 201 | 136 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | on | on | on | glassy | glassy | glassy | off | glassy | on | on | cross-on | glassy | cross-off | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 6:27AM1.93m | 7:27PM1.86m | 7:10AM1.89m | 7:54PM1.84m | 7:51AM1.81m | 8:19PM1.79m | ||||||||||||||||||
Low Tide | 00:40AM0.67m | 1:00PM0.06m | 1:16AM0.57m | 1:33PM0.19m | 1:52AM0.51m | 2:04PM0.37m | ||||||||||||||||||
 |  |  | | | | |  | |  |  | | | |  | | | | |  | | | | | |
 | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — |
mm | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 | 2 | 2 | 1 | 1 |
Temp °C | 24 | 24 | 24 | 27 | 28 | 28 | 27 | 25 | 24 | 24 | 24 | 27 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 27 | 28 | 28 | 27 | 26 |
Feels °C | 28 | 28 | 28 | 31 | 30 | 30 | 30 | 29 | 28 | 27 | 27 | 30 | 30 | 31 | 31 | 30 | 29 | 29 | 29 | 29 | 30 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | SSW 9 | SSW 9 | S 9 | S 9 | S 8 | S 8 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 9 | S 9 | E 10 | E 10 |
| kJ | 101 | 101 | 96 | 99 | 99 | 94 | 73 | 71 | 71 | 125 | 122 | 117 | 106 | 103 | 78 | 76 | 73 | 69 | 68 | 69 | 73 | 56 | 71 | 96 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 10 | E 10 | E 10 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 12 | SE 12 | SE 12 | S 9 | S 8 |
| kJ | 28 | 44 | 45 | 68 | 79 | 79 | 73 | 96 | 96 | 96 | 98 | 98 | 71 | 71 | 96 | 94 | 66 | 64 | 65 | 22 | 21 | 34 | 54 | 51 |
Swell 3 Height (m) Direction Period (s) | E 4 | SE 12 | E 12 | SE 11 | SE 11 | SE 11 | SE 11 | S 11 | S 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 8 | SE 10 | SE 8 | SSE 7 | SE 10 | SE 12 | ESE 11 | E 18 | — | SE 11 | SE 11 |
| kJ | 1 | 21 | 25 | 19 | 19 | 19 | 19 | 22 | 38 | 30 | 18 | 18 | 17 | 10 | 16 | 10 | 5 | 17 | 22 | 25 | 6 | — | 19 | 32 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SSW 4 | — | — | — | — | — | — | — | — | — | E 4 | E 5 | E 5 | E 10 | E 6 | ESE 6 | ESE 6 | ESE 6 |
| kJ | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | 15 | 41 | 43 | 279 | 144 | 230 | 201 | 136 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 51 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 82 | 82 | 29 | 0 | 0 | 0 | 0 | 224 | 566 | 330 | 29 | 29 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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