Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (23 Oct):
- Morning surf: Morning surf (23 Oct, local time) - 7ft (2.2m), 14s period with S swell.
- Afternoon surf: Afternoon surf (23 Oct, local time) - 6.5ft (2.0m), 14s period with S swell.
- Evening surf: Evening surf (23 Oct, local time) - 6ft (1.9m), 14s period with SSW swell.
The current surf forecast for Niyodo Rivermouth at 4AM is: 2.2m 14s primary swell from a South direction (forecast issued at 08:00pm October 22). An open ocean swell of 0.7m 6s is not directed at the surf break, a second open ocean swell of 0.9m 5s 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 (23 Oct) | 7ft (2.2m) | 14s |
| Afternoon (23 Oct) | 6.5ft (2.0m) | 14s |
| Evening (23 Oct) | 6ft (1.9m) | 14s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Fri night. Warm (max 24°C on Sun morning, min 17°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Thu 22 | Friday 23 | Saturday 24 | ||||||||||||||||
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 | 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 13 |
Wave Graph  | ||||||||||||||||||
 kJ | 2048 | 2166 | 2155 | 1947 | 1237 | 1918 | 1759 | 1505 | 1462 | 1387 | 1657 | 1773 | 1965 | 1965 | 2053 | 1965 | 1859 | 1512 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | off | glassy | glassy | glassy | glassy | off | off | glassy | glassy | off | glassy | glassy | cross | cross-on | cross-on |
High Tide | 3:45PM1.61m | 3:43AM1.58m | 4:09PM1.70m | 4:26AM1.71m | 4:34PM1.78m | |||||||||||||
Low Tide | 9:48PM0.71m | 9:53AM0.53m | 10:18PM0.52m | 10:29AM0.51m | ||||||||||||||
 |  | | | |  | | |  | | | | | |  | | |  | |
 | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | 3 | 2 | 3 | 1 | — | 1 | 1 | — | 1 |
Temp °C | 20 | 18 | 17 | 17 | 17 | 19 | 21 | 21 | 20 | 20 | 20 | 21 | 22 | 22 | 22 | 23 | 23 | 23 |
Feels °C | 19 | 16 | 16 | 16 | 16 | 19 | 21 | 21 | 21 | 22 | 22 | 23 | 24 | 25 | 25 | 26 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | SSE 14 | S 14 | S 14 | S 14 | S 13 | S 14 | S 14 | S 14 | S 14 | E 8 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 |
| kJ | 2048 | 2166 | 2155 | 1947 | 1237 | 1918 | 1759 | 1505 | 1462 | 589 | 1657 | 1773 | 1965 | 1965 | 2053 | 1965 | 1859 | 1512 |
Swell 2 Height (m) Direction Period (s) | S 16 | ESE 9 | ESE 10 | ENE 6 | SSW 16 | SE 10 | ESE 10 | — | SE 9 | SSW 14 | E 9 | ESE 9 | ESE 9 | E 9 | ESE 8 | ESE 9 | ESE 9 | ESE 9 |
| kJ | 774 | 73 | 81 | 39 | 778 | 96 | 120 | — | 71 | 1387 | 607 | 586 | 516 | 445 | 385 | 307 | 281 | 281 |
Swell 3 Height (m) Direction Period (s) | — | ENE 6 | ESE 10 | ESE 10 | SE 9 | — | — | — | — | SE 10 | — | — | — | SW 16 | — | — | — | — |
| kJ | — | 21 | 81 | 83 | 90 | — | — | — | — | 45 | — | — | — | 1110 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 6 | NE 6 | ENE 6 | E 10 | E 10 | E 7 | E 8 | — | — | — | — | — | — | — | — | — |
| kJ | 41 | 70 | 53 | 44 | 22 | 225 | 273 | 289 | 566 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 29 | 51 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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