Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (23 Jun):
- Morning surf: Morning surf (23 Jun, local time) - 1.5ft (0.5m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (23 Jun, local time) - 1.5ft (0.5m), 11s period with SE swell.
- Evening surf: Evening surf (23 Jun, local time) - 2ft (0.6m), 13s period with SE swell.
The current surf forecast for Niyodo Rivermouth at 6AM is: 0.5m 10s primary swell from a Southeast direction and 0.3m 5s secondary swell from a South direction (forecast issued at 02:00am June 23). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Jun) | 1.5ft (0.5m) | 10s |
| Afternoon (23 Jun) | 1.5ft (0.5m) | 11s |
| Evening (23 Jun) | 2ft (0.6m) | 13s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 267mm), heaviest during Thu morning. Warm (max 23°C on Thu morning, min 19°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 23 | Wednesday 24 | Thursday 25 | ||||||||||||||||||||||
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 | 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) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SSW 12 | SSW 15 | SSW 14 | S 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 61 | 47 | 48 | 48 | 49 | 55 | 40 | 101 | 87 | 87 | 69 | 89 | 89 | 87 | 97 | 288 | 716 | 811 | 1465 | 1208 | 1901 | 700 | 1377 | 722 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | glassy | cross-off | glassy | glassy | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross | on | cross-on | glassy | on | on | on | cross-on | cross-on | cross-on |
High Tide | 00:12AM1.54m | 1:08PM1.32m | 00:58AM1.52m | 2:40PM1.34m | 1:45AM1.52m | 3:52PM1.41m | ||||||||||||||||||
Low Tide | 6:54AM0.73m | 6:39PM0.91m | 7:59AM0.63m | 7:49PM1.02m | 8:55AM0.53m | 8:57PM1.07m | ||||||||||||||||||
 |  |  |  | | | | | | |  | | | | | |  | | | | | | |  | |
 | — | 4:54 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:17 | — |
mm | — | 1 | 1 | 6 | 7 | 3 | 3 | — | — | 1 | 15 | 22 | 16 | 6 | 9 | 5 | 7 | 8 | 17 | 26 | 30 | 16 | 14 | 15 |
Temp °C | 21 | 20 | 19 | 19 | 19 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 |
Feels °C | 22 | 21 | 21 | 21 | 21 | 23 | 21 | 21 | 21 | 21 | 20 | 20 | 21 | 23 | 25 | 25 | 25 | 26 | 24 | 25 | 24 | 24 | 23 | 26 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 13 | SE 12 | SE 12 | SE 12 | S 11 | S 10 | S 6 | SSW 13 | SSW 12 | SSW 15 | SSW 14 | S 14 | SSW 14 | SE 11 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 61 | 47 | 48 | 48 | 49 | 55 | 40 | 101 | 87 | 87 | 69 | 84 | 72 | 29 | 93 | 288 | 716 | 811 | 1465 | 1208 | 58 | 700 | 1377 | 722 |
Swell 2 Height (m) Direction Period (s) | S 5 | SSE 11 | S 5 | S 11 | SSE 10 | SE 13 | SE 13 | SSE 11 | S 12 | S 12 | S 11 | SE 12 | SE 12 | SE 12 | SE 12 | SE 11 | SE 11 | SSE 7 | SE 11 | SE 6 | E 9 | SE 11 | SE 11 | SE 10 |
| kJ | 5 | 24 | 4 | 10 | 22 | 27 | 26 | 23 | 46 | 71 | 37 | 89 | 89 | 87 | 84 | 76 | 75 | 166 | 58 | 66 | 7 | 57 | 57 | 53 |
Swell 3 Height (m) Direction Period (s) | SSE 10 | SSE 5 | SSE 11 | SE 13 | SE 13 | S 12 | SSE 11 | S 13 | — | SE 4 | SSE 4 | S 5 | S 5 | S 10 | S 10 | S 9 | E 10 | ESE 11 | E 10 | SE 11 | E 19 | E 9 | E 9 | E 9 |
| kJ | 10 | 2 | 12 | 28 | 27 | 12 | 22 | 30 | — | 5 | 4 | 8 | 21 | 68 | 65 | 40 | 8 | 79 | 8 | 58 | 7 | 7 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | NE 4 | — | NNE 2 | NE 2 | — | E 3 | ENE 3 | ENE 3 | ENE 3 | — | — | E 2 | E 3 | E 4 | SSE 6 | SSE 6 | SSE 6 | — | — | S 6 | SSW 13 | S 6 | S 6 | S 6 |
| kJ | 1 | — | 1 | 1 | — | 1 | 1 | 2 | 1 | — | — | 1 | 7 | 14 | 97 | 135 | 245 | — | — | 178 | 1901 | 182 | 156 | 86 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 330 | 330 | 29 | 0 | 51 | 58 | 58 | 253 | 279 | 58 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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