Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (17 Jun):
- Afternoon surf: Afternoon surf (17 Jun, local time) - 7ft (2.1m), 8s period with ESE swell.
- Evening surf: Evening surf (17 Jun, local time) - 5ft (1.6m), 7s period with E swell.
The current surf forecast for Niyodo Rivermouth at 10PM is: 1.6m 7s primary swell from a East direction and 0.4m 6s secondary swell from a South direction, 0.3m 7s secondary swell from a South-southwest direction (forecast issued at 02:00pm June 17). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jun) | - | - |
| Afternoon (17 Jun) | 7ft (2.1m) | 8s |
| Evening (17 Jun) | 5ft (1.6m) | 7s |
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 31mm), heaviest during Fri night. Warm (max 25°C on Thu afternoon, min 21°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
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 | 6 AM | 9 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | ESE 7 | ESE 8 | ESE 7 | E 7 | ESE 7 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 7 | SW 7 | SSW 6 | SSW 6 | SW 6 | SSW 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 390 | 495 | 426 | 269 | 161 | 232 | 244 | 191 | 120 | 125 | 62 | 94 | 82 | 99 | 111 | 108 | 85 | 99 | 170 | 251 | 100 | 96 | 137 | 164 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | cross-off | glassy | cross-off | glassy | on | on | on | glassy | glassy | cross-off | cross-off | glassy | glassy | glassy | cross-on | glassy | glassy | glassy | on | on | on |
High Tide | 8:29PM1.80m | 7:23AM1.81m | 9:15PM1.74m | 8:15AM1.72m | 10:00PM1.67m | |||||||||||||||||||
Low Tide | 1:53AM0.95m | 2:20PM0.03m | 2:43AM0.94m | 3:07PM0.19m | 3:37AM0.91m | |||||||||||||||||||
 | | |  | |  |  |  | | | | | | | | | | | |  |  |  |  |  | |
 | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — |
 | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | 7:16 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 9 | 13 | 3 |
Temp °C | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 24 | 24 | 25 | 24 | 23 | 22 | 22 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 |
Feels °C | 26 | 26 | 26 | 24 | 24 | 23 | 23 | 26 | 26 | 28 | 28 | 27 | 25 | 25 | 26 | 27 | 27 | 27 | 29 | 28 | 27 | 27 | 26 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SW 7 | SW 7 | S 6 | ESE 7 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SE 10 |
| kJ | 20 | 12 | 7 | 12 | 161 | 232 | 244 | 191 | 120 | 125 | 62 | 94 | 82 | 99 | 111 | 108 | 85 | 57 | 170 | 175 | 100 | 66 | 61 | 25 |
Swell 2 Height (m) Direction Period (s) | E 19 | E 19 | E 18 | SSW 7 | S 6 | E 7 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | E 6 | ESE 6 | ESE 6 | SE 10 | SE 10 | ESE 6 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 13 |
| kJ | 7 | 7 | 6 | 9 | 20 | 86 | 60 | 43 | 25 | 19 | 17 | 10 | 7 | 15 | 26 | 3 | 14 | 14 | 24 | 25 | 25 | 25 | 25 | 7 |
Swell 3 Height (m) Direction Period (s) | — | E 18 | E 18 | E 18 | SSW 10 | SSE 6 | SE 10 | SE 10 | E 12 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 6 | ESE 6 | SE 9 | ESE 6 | E 10 | — | SE 14 | E 8 | E 8 | E 8 | — |
| kJ | — | 7 | 6 | 6 | 10 | 13 | 15 | 15 | 11 | 15 | 15 | 15 | 15 | 7 | 4 | 14 | 3 | 8 | — | 7 | 1 | 1 | 1 | — |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 8 | ESE 7 | E 7 | — | ENE 7 | — | — | SW 3 | — | SW 4 | — | — | — | — | — | — | SSW 6 | — | SW 7 | — | SSW 6 | SW 6 | SSW 6 |
| kJ | 390 | 495 | 426 | 269 | — | 111 | — | — | 2 | — | 18 | — | — | — | — | — | — | 99 | — | 251 | — | 96 | 137 | 164 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 0 | 0 | 0 | 51 | 51 | 51 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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