Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 3.5ft (1.1m), 8s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 3ft (0.9m), 7s period with SSW swell.
- Evening surf: Evening surf (18 Jun, local time) - 3ft (0.9m), 8s period with SSW swell.
The current surf forecast for Niyodo Rivermouth at 7AM is: 1.2m 8s primary swell from a South-southwest direction and 0.9m 6s secondary swell from a East direction, 0.4m 3s secondary swell from a West-southwest direction (forecast issued at 02:00am June 18). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 3.5ft (1.1m) | 8s |
| Afternoon (18 Jun) | 3ft (0.9m) | 7s |
| Evening (18 Jun) | 3ft (0.9m) | 8s |
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 42mm), heaviest during Sat afternoon. Warm (max 26°C on Fri morning, min 23°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
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) | E 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SE 10 | SE 10 | SE 10 | SSW 6 | SSW 6 | SSW 7 | SW 7 | SSW 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 152 | 221 | 223 | 147 | 120 | 97 | 71 | 99 | 221 | 256 | 181 | 139 | 79 | 59 | 37 | 35 | 35 | 35 | 35 | 62 | 223 | 569 | 684 | 785 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | glassy | glassy | on | on | on | glassy | off | glassy | glassy | glassy | on | glassy | glassy | glassy | glassy | cross-on | glassy | cross-on | on | on | cross-on | cross-on |
High Tide | 7:23AM1.81m | 9:15PM1.74m | 8:15AM1.72m | 10:00PM1.67m | 9:11AM1.61m | |||||||||||||||||||
Low Tide | 1:53AM0.95m | 2:20PM0.03m | 2:43AM0.94m | 3:07PM0.19m | 3:37AM0.91m | 3:55PM0.38m | ||||||||||||||||||
 | |  | | | |  |  | | |  | | | | |  |  |  |  |  |  |  | |  | |
 | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 6 | 6 | 1 | 4 | 11 | 7 | 2 |
Temp °C | 23 | 21 | 22 | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 25 | 26 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 |
Feels °C | 25 | 22 | 25 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 28 | 29 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 6 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | S 5 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 152 | 123 | 223 | 147 | 120 | 97 | 71 | 99 | 221 | 256 | 181 | 139 | 79 | 59 | 37 | 35 | 25 | 24 | 14 | 25 | 24 | 24 | 24 | 24 |
Swell 2 Height (m) Direction Period (s) | S 6 | SSW 8 | E 6 | E 6 | E 6 | ESE 6 | ESE 6 | ESE 6 | SE 10 | SE 10 | SE 11 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | E 8 | SE 13 | — | SE 12 | SE 12 |
| kJ | 7 | 221 | 81 | 36 | 24 | 12 | 12 | 7 | 25 | 25 | 18 | 14 | 14 | 23 | 24 | 24 | 35 | 35 | 35 | 1 | 7 | — | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | SW 7 | SE 10 | SSE 10 | SE 10 | E 12 | E 12 | SE 10 | SE 10 | ESE 6 | ESE 6 | E 10 | ESE 11 | ESE 11 | SE 6 | E 10 | SE 14 | E 8 | E 8 | E 8 | SE 13 | — | — | — | — |
| kJ | 11 | 4 | 10 | 15 | 11 | 11 | 15 | 15 | 8 | 8 | 8 | 12 | 12 | 1 | 8 | 7 | 1 | 1 | 1 | 7 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 6 | — | WSW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 5 | SSW 6 | SSW 6 | SSW 7 | SW 7 | SSW 8 |
| kJ | 263 | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 32 | 62 | 223 | 569 | 684 | 785 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 51 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 51 | 0 | 0 | 0 | 0 | 51 | 0 | 29 | 642 | 642 | 283 | 51 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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