Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (23 Oct):
- Morning surf: Morning surf (23 Oct, local time) - 7.5ft (2.3m), 14s period with S swell.
- Afternoon surf: Afternoon surf (23 Oct, local time) - 7ft (2.1m), 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 3PM is: 2.1m 14s primary swell from a South direction and 1.0m 10s secondary swell from a East-southeast direction, 1.5m 10s secondary swell from a East direction (forecast issued at 08:00am October 23). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Oct) | 7.5ft (2.3m) | 14s |
| Afternoon (23 Oct) | 7ft (2.1m) | 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 25mm), heaviest during Sat afternoon. Warm (max 24°C on Sat morning, min 19°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||
Friday 23 | Saturday 24 | Sunday 25 | ||||||||||||||||||||
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 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 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 11 | S 11 | SSW 11 | SSW 11 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 1237 | 2095 | 1929 | 1614 | 1462 | 1387 | 1680 | 1773 | 1913 | 1937 | 1937 | 2027 | 1998 | 1641 | 1750 | 1671 | 1712 | 995 | 764 | 629 | 444 | 302 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | on | on | cross-on | glassy | glassy | glassy | off | off | off |
High Tide | 3:43AM1.58m | 4:09PM1.70m | 4:26AM1.71m | 4:34PM1.78m | 5:07AM1.82m | 5:01PM1.84m | ||||||||||||||||
Low Tide | 9:53AM0.53m | 10:18PM0.52m | 10:29AM0.51m | 10:49PM0.34m | 11:05AM0.53m | |||||||||||||||||
 |  |  | |  |  | | | |  | |  | |  | | | | | | | | | |
 | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — |
 | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:21 | — | — |
mm | — | — | — | — | — | 1 | 2 | — | — | 1 | 1 | 2 | 3 | 2 | 1 | 2 | 1 | 2 | 2 | 2 | 1 | 1 |
Temp °C | 17 | 19 | 21 | 21 | 20 | 20 | 20 | 21 | 22 | 23 | 24 | 24 | 23 | 24 | 24 | 23 | 23 | 23 | 24 | 23 | 22 | 22 |
Feels °C | 16 | 19 | 20 | 21 | 21 | 22 | 22 | 23 | 25 | 26 | 28 | 27 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 25 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | 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 | SSW 13 | S 12 | S 12 | SSW 12 | SSW 11 | S 11 | SSW 11 | SSW 11 |
| kJ | 1237 | 2095 | 1929 | 1614 | 1462 | 1387 | 1680 | 1773 | 1913 | 1937 | 1937 | 2027 | 1998 | 1641 | 1365 | 1254 | 1175 | 995 | 764 | 629 | 444 | 302 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SE 10 | ESE 10 | ESE 10 | — | SE 9 | ESE 9 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SE 7 | SE 7 |
| kJ | 778 | 96 | 117 | 201 | — | 84 | 59 | 380 | 484 | 554 | 436 | 374 | 337 | 283 | 238 | 202 | 169 | 169 | 134 | 131 | 91 | 121 |
Swell 3 Height (m) Direction Period (s) | SE 9 | — | — | — | — | — | SE 9 | — | — | — | — | SW 16 | — | — | — | — | — | — | — | SE 7 | ESE 9 | ESE 9 |
| kJ | 90 | — | — | — | — | — | 79 | — | — | — | — | 767 | — | — | — | — | — | — | — | 56 | 113 | 119 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 4 | E 10 | E 10 | E 8 | E 7 | E 9 | — | — | — | — | S 6 | — | — | SSW 13 | SSW 13 | SSW 13 | — | — | NE 2 | E 3 | E 4 |
| kJ | 21 | 15 | 192 | 408 | 396 | 306 | 297 | — | — | — | — | 151 | — | — | 1750 | 1671 | 1712 | — | — | 2 | 5 | 16 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 55 | 55 | 55 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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