Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (23 Oct):
- Afternoon surf: Afternoon surf (23 Oct, local time) - 7ft (2.1m), 14s period with S swell.
- Evening surf: Evening surf (23 Oct, local time) - 6.5ft (2.0m), 14s period with S swell.
The current surf forecast for Niyodo Rivermouth at 9PM is: 2.0m 14s primary swell from a South direction and 0.7m 10s secondary swell from a Southeast direction, 1.5m 9s secondary swell from a East direction (forecast issued at 02:00pm October 23). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Oct) | - | - |
| Afternoon (23 Oct) | 7ft (2.1m) | 14s |
| Evening (23 Oct) | 6.5ft (2.0m) | 14s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 25mm), heaviest during Mon morning. Warm (max 25°C on Sun morning, min 19°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||||||
Fri 23 | Saturday 24 | Sunday 25 | ||||||||||||||||||
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 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 | SSW 12 | SSW 12 | SSW 8 | SSW 11 | SSW 11 | SSW 11 | SSW 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1929 | 1614 | 1462 | 1531 | 1680 | 1728 | 1913 | 1937 | 1937 | 1910 | 1807 | 2221 | 1635 | 1670 | 1413 | 589 | 1008 | 778 | 496 | 372 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | off | cross-off | off | glassy | cross-off | glassy | glassy | on | glassy | on | on | cross-on | cross-on | cross-on | cross-on | glassy | cross-off | glassy |
High Tide | 4:09PM1.70m | 4:26AM1.71m | 4:34PM1.78m | 5:07AM1.82m | 5:01PM1.84m | |||||||||||||||
Low Tide | 10:18PM0.52m | 10:29AM0.51m | 10:49PM0.34m | 11:05AM0.53m | ||||||||||||||||
 | |  |  | | |  | |  |  | |  | | | | |  | | | | |
 | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — |
 | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:21 | — | — |
mm | — | — | — | 1 | — | — | — | — | 1 | 2 | 1 | 1 | 1 | 2 | 3 | 2 | 2 | 1 | 1 | — |
Temp °C | 21 | 21 | 19 | 20 | 20 | 21 | 21 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 23 |
Feels °C | 20 | 21 | 19 | 21 | 21 | 23 | 23 | 26 | 27 | 27 | 27 | 27 | 26 | 25 | 26 | 28 | 28 | 30 | 28 | 26 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SSW 11 | SSW 11 | SSW 11 | SSW 11 |
| kJ | 1929 | 1614 | 1462 | 1531 | 1680 | 1728 | 1913 | 1937 | 1937 | 1910 | 1807 | 1679 | 238 | 202 | 169 | 137 | 1008 | 778 | 496 | 372 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | — | ESE 9 | SE 10 | ESE 10 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | — | — | ESE 9 | — | ESE 9 | ESE 9 | ESE 9 | SSE 7 |
| kJ | 166 | — | 106 | 98 | 61 | 275 | 326 | 422 | 417 | 371 | 322 | 287 | — | — | 166 | — | 134 | 131 | 106 | 81 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SE 9 | — | — | — | — | SW 16 | — | — | — | — | — | — | — | — | SSE 7 | ESE 9 |
| kJ | — | — | — | — | 88 | — | — | — | — | 767 | — | — | — | — | — | — | — | — | 70 | 113 |
Wind waves Height (m) Direction Period (s) | — | ESE 10 | ESE 9 | E 9 | E 9 | — | — | — | — | — | — | SSW 14 | SSW 13 | SSW 12 | SSW 12 | SSW 8 | — | — | — | — |
| kJ | — | 201 | 264 | 339 | 264 | — | — | — | — | — | — | 2221 | 1635 | 1670 | 1413 | 589 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 0 | 51 | 55 | 55 | 51 | 51 | 51 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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