Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (03 Sep):
- Morning surf: Morning surf (03 Sep, local time) - 3.5ft (1.1m), 8s period with SSE swell.
- Afternoon surf: Afternoon surf (03 Sep, local time) - 4.5ft (1.4m), 10s period with SSE swell.
- Evening surf: Evening surf (03 Sep, local time) - 5ft (1.6m), 10s period with SSE swell.
The current surf forecast for Niyodo Rivermouth at 10AM is: 1.1m 8s primary swell from a South-southeast direction and 0.6m 10s secondary swell from a East direction, 0.5m 5s secondary swell from a East direction (forecast issued at 02:00am September 03). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Sep) | 3.5ft (1.1m) | 8s |
| Afternoon (03 Sep) | 4.5ft (1.4m) | 10s |
| Evening (03 Sep) | 5ft (1.6m) | 10s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 97mm), heaviest during Fri afternoon. Warm (max 29°C on Thu afternoon, min 21°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 3 | Friday 4 | Saturday 5 | ||||||||||||||||||||||
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 11 | SSE 8 | SSE 8 | SSE 8 | SSE 9 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 11 | S 10 | S 10 | S 10 | S 9 | SSW 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 151 | 147 | 128 | 173 | 189 | 356 | 407 | 523 | 616 | 586 | 653 | 815 | 689 | 482 | 407 | 274 | 110 | 307 | 190 | 228 | 212 | 239 | 273 | 407 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-off | glassy | glassy | glassy | glassy | glassy | glassy | off | off | off | cross-off | off | glassy | glassy | glassy | glassy | off | off | glassy | cross-on | glassy | off |
High Tide | 9:49AM1.48m | 9:09PM1.67m | 11:15AM1.35m | 9:51PM1.57m | 1:52PM1.33m | |||||||||||||||||||
Low Tide | 3:19AM0.39m | 3:09PM0.91m | 4:17AM0.45m | 3:53PM1.10m | 5:43AM0.50m | 5:37PM1.25m | ||||||||||||||||||
 | |  |  | | | |  | |  |  |  |  | | | | | | | |  | | |  | |
 | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:25 | — |
mm | — | — | — | 1 | 1 | 1 | — | 1 | — | 2 | 2 | 6 | 28 | 29 | 23 | 3 | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 27 | 29 | 28 | 27 | 26 | 25 | 24 | 24 | 23 | 22 | 21 | 22 | 22 | 22 | 22 | 23 | 26 | 27 | 26 | 24 |
Feels °C | 31 | 31 | 30 | 31 | 32 | 33 | 33 | 32 | 30 | 29 | 27 | 27 | 25 | 24 | 24 | 25 | 25 | 25 | 24 | 25 | 29 | 29 | 29 | 26 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 9 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 11 | S 10 | S 10 | S 10 | S 9 | SSW 9 | E 8 | E 8 | E 8 | E 8 | S 7 | S 8 | E 8 |
| kJ | 151 | 147 | 128 | 173 | 189 | 356 | 407 | 523 | 616 | 586 | 653 | 815 | 689 | 482 | 407 | 274 | 110 | 177 | 190 | 228 | 212 | 28 | 86 | 251 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SSE 8 | SSE 8 | SSE 8 | S 8 | SSW 9 | S 9 | E 13 | S 8 |
| kJ | 144 | 80 | 71 | 73 | 74 | 75 | 73 | 52 | 48 | 47 | 47 | 30 | 30 | 17 | 17 | 8 | 68 | 67 | 67 | 58 | 59 | 40 | 3 | 84 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SE 10 | S 10 | S 11 | E 5 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | — | — | — | E 15 | — | SE 9 | SSW 9 | SSW 9 | SSW 9 | SSE 7 | SSW 8 | — | SSW 11 |
| kJ | 18 | 17 | 32 | 37 | 7 | 16 | 16 | 16 | 16 | 16 | 15 | — | — | — | 4 | — | 12 | 64 | 46 | 30 | 31 | 28 | — | 13 |
Wind waves Height (m) Direction Period (s) | E 4 | E 5 | E 5 | E 5 | — | — | — | — | — | — | ENE 3 | NE 4 | ENE 4 | ENE 5 | ENE 6 | E 6 | E 6 | E 8 | — | — | — | E 8 | E 8 | E 8 |
| kJ | 6 | 7 | 8 | 11 | — | — | — | — | — | — | 3 | 10 | 42 | 83 | 135 | 91 | 94 | 307 | — | — | — | 239 | 273 | 407 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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