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 4PM is: 2.5m 14s primary swell from a South-southeast direction (forecast issued at 08:00am October 22). An open ocean swell of 0.7m 6s is not directed at the surf break, a second open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| 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 36mm), heaviest during Fri night. Warm (max 23°C on Thu morning, min 16°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||
Thursday 22 | Friday 23 | Saturday 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 | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | 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 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 2638 | 2895 | 1833 | 2855 | 2048 | 2197 | 2155 | 1947 | 1237 | 1918 | 1759 | 1505 | 1462 | 1408 | 1505 | 1773 | 1913 | 1937 | 2137 | 1937 | 1807 | 1541 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | cross-off | off | glassy | off | glassy | glassy | glassy | off | cross-off | on | glassy | cross-off | glassy | glassy | cross | glassy |
High Tide | 3:45PM1.61m | 3:43AM1.58m | 4:09PM1.70m | 4:26AM1.71m | 4:34PM1.78m | |||||||||||||||||
Low Tide | 9:14AM0.57m | 9:48PM0.71m | 9:53AM0.53m | 10:18PM0.52m | 10:29AM0.51m | |||||||||||||||||
 |  |  | | | |  | | | |  | | |  |  |  | |  | | | | | |
 | 6:13 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — |
 | — | — | — | 5:23 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 6 | 13 | 7 | 3 | 2 | — | 2 | 1 |
Temp °C | 18 | 20 | 23 | 23 | 19 | 17 | 16 | 16 | 16 | 19 | 22 | 22 | 21 | 20 | 20 | 21 | 20 | 20 | 20 | 21 | 22 | 23 |
Feels °C | 17 | 18 | 21 | 22 | 17 | 15 | 14 | 14 | 15 | 18 | 22 | 22 | 22 | 21 | 22 | 23 | 22 | 21 | 22 | 23 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | 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 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 2638 | 2895 | 1833 | 2855 | 2048 | 2197 | 2155 | 1947 | 1237 | 1918 | 1759 | 1505 | 1462 | 1408 | 1505 | 1773 | 1913 | 1937 | 2137 | 1937 | 1807 | 1541 |
Swell 2 Height (m) Direction Period (s) | S 18 | E 9 | S 17 | NE 6 | S 16 | ESE 9 | ESE 10 | ENE 6 | SSW 16 | SE 10 | SE 10 | — | E 8 | ESE 9 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
| kJ | 769 | 106 | 1059 | 31 | 774 | 73 | 64 | 27 | 778 | 96 | 92 | — | 450 | 484 | 553 | 614 | 599 | 422 | 307 | 258 | 243 | 300 |
Swell 3 Height (m) Direction Period (s) | NNE 6 | NE 6 | ESE 9 | — | — | ESE 10 | ESE 10 | ESE 10 | SE 9 | E 7 | — | — | ESE 10 | — | — | — | — | — | — | — | — | — |
| kJ | 50 | 21 | 88 | — | — | 81 | 81 | 83 | 90 | 3 | — | — | 63 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNE 6 | — | NE 6 | ENE 5 | ENE 6 | ENE 6 | NE 6 | ENE 5 | ENE 5 | E 10 | E 9 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 52 | — | 61 | 36 | 40 | 66 | 46 | 15 | 17 | 268 | 386 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 0 | 0 | 0 | 0 | 29 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
Header Global | ||||||||||||||||||||||
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