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 2PM is: 0.5m 10s primary swell from a Southeast direction and 0.3m 13s secondary swell from a Southeast direction (forecast issued at 08:00am June 23). An open ocean swell of 0.3m 3s 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 216mm), heaviest during Thu morning. Warm (max 25°C on Thu night, min 19°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 23 | Wednesday 24 | Thursday 25 | Fri 26 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | 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 | S 7 | S 8 | S 8 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 48 | 48 | 49 | 55 | 40 | 101 | 87 | 87 | 89 | 114 | 114 | 87 | 119 | 470 | 530 | 585 | 866 | 2734 | 722 | 850 | 965 | 942 | 862 | 1010 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | glassy | glassy | glassy | glassy | glassy | cross-off | glassy | cross-off | glassy | glassy | cross | glassy | glassy | cross | on | cross-on | on | cross-on | cross | cross-on | cross-on |
High Tide | 1:08PM1.32m | 00:58AM1.52m | 2:40PM1.34m | 1:45AM1.52m | 3:52PM1.41m | 2:32AM1.53m | ||||||||||||||||||
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 | — | — | — | — | — | — | — | 4:56 |
 | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:17 | — | — | 7:19 |
mm | 1 | 9 | 8 | 7 | 3 | — | — | 1 | 2 | 9 | 21 | 6 | 5 | 6 | 16 | 11 | 16 | 22 | 19 | 11 | 9 | 5 | 5 | 7 |
Temp °C | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 25 | 25 |
Feels °C | 20 | 20 | 22 | 21 | 21 | 21 | 21 | 21 | 20 | 21 | 22 | 23 | 24 | 23 | 24 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 13 | SE 12 | SE 12 | SE 12 | S 11 | S 6 | SSE 5 | SE 12 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SE 11 | S 7 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 48 | 48 | 49 | 55 | 40 | 101 | 87 | 87 | 89 | 84 | 23 | 39 | 84 | 387 | 530 | 585 | 866 | 43 | 338 | 850 | 965 | 942 | 862 | 1010 |
Swell 2 Height (m) Direction Period (s) | S 5 | S 11 | SSE 10 | SE 13 | SE 13 | SSE 11 | S 12 | S 12 | SE 8 | SE 12 | S 10 | SE 12 | SSW 13 | E 12 | ESE 11 | SSW 11 | SE 11 | E 10 | SSW 13 | SSW 7 | SE 7 | SE 10 | SE 10 | SE 10 |
| kJ | 4 | 10 | 22 | 27 | 26 | 23 | 46 | 71 | 17 | 114 | 72 | 87 | 93 | 3 | 78 | 90 | 43 | 8 | 722 | 99 | 67 | 53 | 50 | 50 |
Swell 3 Height (m) Direction Period (s) | SSE 11 | SE 13 | SE 13 | S 12 | SSE 11 | S 13 | S 12 | E 10 | S 11 | S 5 | SE 12 | S 10 | S 10 | SE 11 | E 12 | SE 11 | E 10 | E 20 | SE 11 | SSE 7 | SE 11 | E 9 | E 9 | E 9 |
| kJ | 12 | 28 | 27 | 12 | 22 | 30 | 27 | 2 | 37 | 8 | 114 | 47 | 45 | 76 | 11 | 41 | 8 | 7 | 58 | 83 | 56 | 2 | 2 | 1 |
Wind waves Height (m) Direction Period (s) | NNE 2 | NE 2 | — | ENE 3 | ENE 3 | — | — | ENE 3 | — | ENE 3 | E 3 | E 4 | S 6 | S 7 | S 8 | S 8 | S 7 | SSW 14 | — | — | — | S 6 | S 6 | SSW 6 |
| kJ | 1 | 1 | — | 2 | 2 | — | — | 1 | — | 2 | 6 | 6 | 119 | 470 | 486 | 534 | 392 | 2734 | — | — | — | 94 | 247 | 303 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 29 | 55 | 58 | 535 | 58 | 51 | 279 | 283 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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