Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (03 Oct):
- Morning surf: Morning surf (03 Oct, local time) - 1.5ft (0.4m), 8s period with SE swell.
- Afternoon surf: Afternoon surf (03 Oct, local time) - 1.5ft (0.4m), 9s period with ESE swell.
- Evening surf: Evening surf (03 Oct, local time) - 5.5ft (1.7m), 8s period with E swell.
The current surf forecast for Niyodo Rivermouth at 10AM is: 0.4m 8s primary swell from a Southeast direction (forecast issued at 02:00am October 03). An open ocean swell of 0.5m 5s is not directed at the surf break, a second open ocean swell of 0.4m 7s is not directed at the surf break, a second open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Oct) | 1.5ft (0.4m) | 8s |
| Afternoon (03 Oct) | 1.5ft (0.4m) | 9s |
| Evening (03 Oct) | 5.5ft (1.7m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 65mm), heaviest during Mon afternoon. Warm (max 24°C on Sat morning, min 19°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 3 | Sunday 4 | Monday 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) | SE 9 | SE 9 | ESE 8 | SE 8 | SE 9 | ESE 9 | ESE 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SE 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 20 | 20 | 28 | 18 | 20 | 29 | 68 | 411 | 637 | 880 | 897 | 694 | 1224 | 1853 | 1962 | 1803 | 1685 | 1555 | 1393 | 1555 | 1465 | 1465 | 1269 | 1610 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | glassy | on | cross-off | off | off | off | off | off | off | off | cross-off | glassy | off | off | off | cross-off | off | off | off | off |
High Tide | 11:33AM1.38m | 9:28PM1.51m | 1:55PM1.40m | 11:22PM1.40m | 3:09PM1.51m | |||||||||||||||||||
Low Tide | 4:03AM0.39m | 3:56PM1.20m | 5:36AM0.49m | 6:40PM1.25m | 7:27AM0.50m | 8:43PM1.12m | ||||||||||||||||||
 | | |  | |  |  | |  | | |  |  | |  | | | | | | |  |  |  | |
 | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — |
 | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 2 | — | 5 | 3 | 4 | 3 | 5 | 11 | 21 | 7 |
Temp °C | 19 | 17 | 16 | 21 | 24 | 24 | 22 | 20 | 20 | 21 | 21 | 21 | 21 | 20 | 21 | 21 | 19 | 19 | 19 | 20 | 21 | 20 | 20 | 21 |
Feels °C | 17 | 16 | 15 | 20 | 23 | 23 | 22 | 20 | 19 | 21 | 21 | 22 | 22 | 21 | 22 | 23 | 20 | 20 | 20 | 21 | 22 | 22 | 21 | 23 |
Swell 1 Height (m) Direction Period (s) | ENE 6 | E 6 | ENE 6 | ENE 5 | E 5 | E 5 | ESE 8 | E 9 | E 9 | E 9 | E 10 | SE 11 | E 17 | E 17 | E 16 | SE 12 | SE 16 | SE 11 | SE 17 | SE 16 | SE 14 | SE 14 | SE 13 | ESE 8 |
| kJ | 43 | 20 | 30 | 14 | 14 | 13 | 68 | 215 | 422 | 516 | 602 | 94 | 22 | 5 | 21 | 37 | 127 | 150 | 1074 | 659 | 346 | 1139 | 673 | 614 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | ESE 8 | ENE 7 | SE 9 | ESE 9 | ESE 15 | SE 15 | ESE 15 | ESE 15 | SE 11 | E 18 | — | — | E 16 | E 16 | SE 13 | SE 18 | E 16 | SE 13 | SE 18 | E 15 | SE 15 | SE 14 |
| kJ | 20 | 20 | 28 | 15 | 20 | 29 | 22 | 8 | 21 | 21 | 33 | 6 | — | — | 21 | 20 | 78 | 325 | 45 | 241 | 522 | 38 | 335 | 1610 |
Swell 3 Height (m) Direction Period (s) | E 11 | SE 16 | SE 16 | SE 8 | ENE 7 | ENE 7 | — | E 19 | SE 12 | SE 12 | SE 15 | — | — | — | — | SE 21 | SE 20 | SE 15 | E 16 | E 16 | SE 12 | E 15 | SE 19 | SE 18 |
| kJ | 2 | 10 | 10 | 18 | 9 | 5 | — | 7 | 6 | 6 | 9 | — | — | — | — | 17 | 100 | 106 | 45 | 43 | 164 | 38 | 436 | 552 |
Wind waves Height (m) Direction Period (s) | NE 6 | ENE 5 | NE 6 | NE 6 | NE 6 | ENE 6 | E 5 | E 8 | E 9 | E 9 | E 9 | E 9 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 9 |
| kJ | 44 | 14 | 46 | 47 | 170 | 27 | 11 | 411 | 637 | 880 | 897 | 694 | 1224 | 1853 | 1962 | 1803 | 1685 | 1555 | 1393 | 1555 | 1465 | 1465 | 1269 | 1112 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 432 | 245 | 29 | 29 | 344 | 344 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 9 | 9 | 9 | 0 | 9 | 9 | 9 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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