Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (22 Oct):
- Morning surf: Morning surf (22 Oct, local time) - 8ft (2.5m), 14s period with SSE swell.
- Afternoon surf: Afternoon surf (22 Oct, local time) - 8ft (2.5m), 14s period with SSE swell.
- Evening surf: Evening surf (22 Oct, local time) - 8ft (2.4m), 14s period with S swell.
The current surf forecast for Niyodo Rivermouth at 2AM is: 2.5m 15s primary swell from a South-southeast direction and 0.8m 9s secondary swell from a East direction (forecast issued at 08:00pm October 21). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 5.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Oct) | 8ft (2.5m) | 14s |
| Afternoon (22 Oct) | 8ft (2.5m) | 14s |
| Evening (22 Oct) | 8ft (2.4m) | 14s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 58mm), heaviest during Fri night. Warm (max 22°C on Wed night, min 14°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Wed 21 | Thursday 22 | Friday 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 | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | S 14 | S 14 | S 14 | S 13 | S 14 | S 14 | S 14 | S 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||
 kJ | 3373 | 3352 | 3241 | 3296 | 2709 | 2895 | 1833 | 2855 | 1998 | 2197 | 1979 | 1487 | 1237 | 1984 | 1957 | 1754 | 1622 | 1728 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | off | off | off | off | off | off | off | off | off | off | cross-off | off | glassy | glassy | cross-off | off |
High Tide | 3:20PM1.52m | 2:53AM1.44m | 3:45PM1.61m | 3:43AM1.58m | 4:09PM1.70m | |||||||||||||
Low Tide | 9:18PM0.90m | 9:14AM0.57m | 9:48PM0.71m | 9:53AM0.53m | ||||||||||||||
 |  | |  | |  |  | | | | | | | | |  |  |  | |
 | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:23 | — | — | — | — | — | — | — | 5:22 | — | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 |
Temp °C | 25 | 22 | 19 | 19 | 16 | 18 | 22 | 22 | 18 | 16 | 15 | 14 | 15 | 17 | 22 | 22 | 21 | 20 |
Feels °C | 26 | 22 | 18 | 18 | 14 | 15 | 20 | 20 | 15 | 13 | 13 | 12 | 14 | 15 | 22 | 23 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | S 14 | S 14 | S 14 | S 13 | S 14 | S 14 | S 14 | S 14 | SSW 14 |
| kJ | 3373 | 3352 | 3241 | 3296 | 2709 | 2895 | 1833 | 2855 | 1998 | 2197 | 1979 | 1487 | 1237 | 1984 | 1957 | 1754 | 1622 | 1728 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 10 | S 19 | E 9 | S 18 | ESE 9 | S 17 | NE 6 | S 16 | ESE 9 | ESE 10 | SSW 16 | SSW 16 | ESE 10 | SE 10 | — | SSW 15 | E 9 |
| kJ | 71 | 72 | 722 | 106 | 769 | 110 | 1059 | 33 | 774 | 55 | 83 | 694 | 778 | 157 | 94 | — | 867 | 700 |
Swell 3 Height (m) Direction Period (s) | — | ESE 9 | E 9 | — | NE 6 | NNE 6 | ESE 9 | — | ENE 6 | ESE 10 | ESE 10 | ENE 6 | ESE 10 | — | — | — | — | — |
| kJ | — | 96 | 108 | — | 75 | 67 | 66 | — | 21 | 81 | 61 | 44 | 83 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | WSW 5 | WNW 4 | NW 4 | — | — | — | ENE 5 | NE 6 | ENE 6 | ENE 6 | NE 6 | ENE 5 | NE 5 | E 10 | E 8 | E 9 | E 9 |
| kJ | 90 | 52 | 31 | 26 | — | — | — | 19 | 147 | 31 | 70 | 49 | 15 | 22 | 188 | 579 | 676 | 817 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 51 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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