Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (04 Oct):
- Morning surf: Morning surf (04 Oct, local time) - 7ft (2.1m), 10s period with E swell.
- Afternoon surf: Afternoon surf (04 Oct, local time) - 10ft (3.0m), 10s period with ESE swell.
- Evening surf: Evening surf (04 Oct, local time) - 10ft (3.0m), 10s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 11AM is: 2.5m 10s primary swell from a East-southeast direction and 0.2m 17s secondary swell from a East direction (forecast issued at 02:00am October 04). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Oct) | 7ft (2.1m) | 10s |
| Afternoon (04 Oct) | 10ft (3.0m) | 10s |
| Evening (04 Oct) | 10ft (3.0m) | 10s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Sun afternoon. Warm (max 25°C on Tue morning, min 17°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 4 | Monday 5 | Tuesday 6 | ||||||||||||||||||||||
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 9 | E 9 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 9 | ESE 9 | ESE 10 | ESE 10 | SE 14 | SE 14 | ESE 14 | ESE 16 | ESE 17 | ESE 17 | ESE 17 | ESE 17 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 609 | 635 | 602 | 861 | 1368 | 1630 | 1630 | 1601 | 1962 | 2279 | 1924 | 1422 | 1343 | 984 | 990 | 904 | 1036 | 1494 | 3184 | 5730 | 7913 | 9390 | 10821 | 10715 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | glassy | off | cross-off | off | off | off | off | cross-off | off | off | off | off | off | off | off | cross-off | off | off | cross-off | off | off | off |
High Tide | 9:28PM1.51m | 1:55PM1.40m | 11:22PM1.40m | 3:09PM1.51m | 1:43AM1.43m | 3:48PM1.61m | ||||||||||||||||||
Low Tide | 5:36AM0.49m | 6:40PM1.25m | 7:27AM0.50m | 8:43PM1.12m | 8:47AM0.43m | |||||||||||||||||||
 |  | |  | | |  | | | | |  | | | | | |  | |  | | | | | |
 | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — |
 | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:44 | — | — |
mm | — | — | — | 1 | 3 | 4 | 5 | 2 | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 21 | 20 | 19 | 20 | 19 | 19 | 20 | 20 | 20 | 20 | 22 | 22 | 21 | 21 | 21 | 21 | 20 | 23 | 25 | 25 | 21 | 19 |
Feels °C | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 21 | 21 | 21 | 21 | 23 | 24 | 23 | 23 | 23 | 22 | 21 | 24 | 24 | 23 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 10 | E 10 | ESE 10 | ESE 10 | SE 18 | SE 12 | SE 16 | SE 18 | SE 14 | ESE 10 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | SE 14 | ESE 14 | ESE 16 | ESE 17 | ESE 17 | ESE 17 | ESE 17 |
| kJ | 318 | 422 | 602 | 861 | 1368 | 1630 | 12 | 178 | 130 | 258 | 395 | 1422 | 1060 | 984 | 990 | 904 | 788 | 1494 | 3184 | 5730 | 7913 | 9390 | 10821 | 10715 |
Swell 2 Height (m) Direction Period (s) | ESE 15 | SE 12 | SE 11 | SE 11 | E 17 | E 17 | E 17 | E 16 | SE 20 | SE 15 | SE 18 | SE 13 | SE 12 | SE 13 | SE 13 | SE 13 | SE 14 | ESE 10 | ESE 18 | — | — | — | — | — |
| kJ | 21 | 22 | 33 | 45 | 22 | 5 | 22 | 20 | 61 | 136 | 304 | 282 | 232 | 704 | 694 | 839 | 1036 | 631 | 1448 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 12 | ESE 15 | ESE 15 | E 17 | — | — | E 16 | E 16 | E 16 | E 16 | E 16 | SE 16 | SE 15 | E 15 | ESE 14 | SE 20 | SE 18 | SE 19 | — | — | — | — | — | — |
| kJ | 6 | 21 | 21 | 24 | — | — | 21 | 20 | 20 | 20 | 45 | 432 | 360 | 38 | 70 | 312 | 491 | 846 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 9 | E 9 | — | — | — | — | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | — | E 9 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 609 | 635 | — | — | — | — | 1630 | 1601 | 1962 | 2279 | 1924 | — | 1343 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 9 | 9 | 9 | 9 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 9 | 51 | 9 | 9 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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