Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (19 Oct):
- Morning surf: Morning surf (19 Oct, local time) - 5ft (1.6m), 7s period with SE swell.
- Afternoon surf: Afternoon surf (19 Oct, local time) - 5ft (1.6m), 7s period with SE swell.
- Evening surf: Evening surf (19 Oct, local time) - 4.5ft (1.3m), 8s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 7AM is: 1.5m 8s primary swell from a Southeast direction (forecast issued at 02:00am October 19). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Oct) | 5ft (1.6m) | 7s |
| Afternoon (19 Oct) | 5ft (1.6m) | 7s |
| Evening (19 Oct) | 4.5ft (1.3m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Mon morning. Warm (max 27°C on Wed afternoon, min 15°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 19 | Tuesday 20 | Wednesday 21 | ||||||||||||||||||||||
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) | ESE 8 | ESE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 8 | ESE 8 | ESE 9 | SE 9 | SE 9 | SE 9 | SE 13 | SE 14 | SE 13 | SE 13 | SSE 14 | SSE 14 | SSE 17 | SSE 17 | SSE 16 | SSE 16 | SSE 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 347 | 271 | 248 | 262 | 255 | 233 | 225 | 192 | 217 | 258 | 351 | 321 | 275 | 865 | 1363 | 1092 | 1083 | 1388 | 1724 | 1230 | 1318 | 3393 | 3531 | 2831 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | glassy | glassy | glassy | glassy | cross-off | glassy | glassy | glassy | glassy | glassy | on | on | glassy | glassy | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-off | off |
High Tide | 9:04PM1.36m | 2:10PM1.33m | 11:26PM1.27m | 2:53PM1.42m | 1:44AM1.32m | 3:20PM1.52m | ||||||||||||||||||
Low Tide | 5:36AM0.70m | 7:22PM1.21m | 7:20AM0.70m | 8:43PM1.07m | 8:28AM0.64m | |||||||||||||||||||
 |  | |  |  |  |  | | | | |  | | | | | | | | | | | |  | |
 | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — |
 | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:24 | — | — |
mm | 1 | — | — | 2 | 3 | 2 | 1 | 1 | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | — |
Temp °C | 23 | 22 | 22 | 22 | 22 | 23 | 22 | 22 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 25 | 26 | 27 | 23 | 19 |
Feels °C | 24 | 23 | 24 | 25 | 26 | 27 | 25 | 25 | 27 | 27 | 27 | 29 | 28 | 29 | 28 | 28 | 28 | 26 | 27 | 28 | 28 | 29 | 24 | 18 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | — | SE 7 | SE 7 | SE 7 | SE 7 | ESE 8 | ESE 8 | ESE 9 | SE 9 | SE 9 | SE 9 | SE 13 | SE 14 | SE 13 | SE 13 | SSE 14 | SSE 14 | SE 13 | SE 14 | SSE 16 | SSE 16 | SSE 15 |
| kJ | 347 | 271 | — | 262 | 255 | 233 | 225 | 192 | 217 | 258 | 351 | 321 | 275 | 865 | 1363 | 1092 | 1083 | 1388 | 1724 | 1083 | 1285 | 3393 | 3531 | 2831 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SE 18 | SSE 17 | S 6 | S 6 | SSW 6 | SE 14 | SE 13 | SE 13 | SSE 15 | SSE 15 | SSE 18 | SSE 17 | SSE 17 | SSE 18 | SSE 17 | SSE 17 | ESE 9 | ESE 9 | S 18 |
| kJ | — | — | — | — | — | 12 | 29 | 41 | 30 | 24 | 99 | 176 | 239 | 256 | 249 | 260 | 486 | 640 | 685 | 1230 | 1318 | 69 | 70 | 1328 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | SSE 17 | SE 16 | SE 16 | SE 15 | SSE 18 | SSE 17 | SSE 16 | — | SSE 19 | SSE 16 | — | — | E 10 | ESE 9 | ESE 9 | — | ESE 9 | ESE 9 |
| kJ | — | — | — | — | — | — | 28 | 66 | 118 | 106 | 123 | 168 | 226 | — | 201 | 102 | — | — | 49 | 86 | 66 | — | 70 | 113 |
Wind waves Height (m) Direction Period (s) | — | — | SE 8 | — | — | — | SSW 6 | — | — | — | — | — | — | — | — | — | — | — | SSW 5 | SSW 5 | SSW 5 | SW 5 | SW 5 | — |
| kJ | — | — | 248 | — | — | — | 52 | — | — | — | — | — | — | — | — | — | — | — | 33 | 40 | 44 | 69 | 54 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 0 | 0 | 51 | 51 | 51 | 51 | 51 | 51 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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