Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 8ft (2.5m), 10s period with E swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 11ft (3.5m), 16s period with ESE swell.
- Evening surf: Evening surf (19 Sep, local time) - 11ft (3.5m), 14s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 5AM is: 2.5m 10s primary swell from a East direction and 2.2m 10s secondary swell from a East-southeast direction, 0.7m 14s secondary swell from a East-southeast direction (forecast issued at 02:00am September 19). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 8ft (2.5m) | 10s |
| Afternoon (19 Sep) | 11ft (3.5m) | 16s |
| Evening (19 Sep) | 11ft (3.5m) | 14s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat afternoon. Warm (max 31°C on Sun morning, min 19°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 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) | E 10 | E 10 | ESE 10 | E 10 | ESE 16 | ESE 16 | ESE 14 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1380 | 1255 | 896 | 1209 | 5640 | 6575 | 5603 | 5448 | 5124 | 5105 | 4804 | 4390 | 4258 | 4398 | 4467 | 4016 | 3076 | 3251 | 3738 | 3717 | 3199 | 2265 | 1578 | 1018 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | off | glassy | glassy | on | glassy | glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 9:22PM1.39m | 4:06PM1.33m | 00:05AM1.30m | 4:10PM1.43m | ||||||||||||||||||||
Low Tide | 4:47AM0.66m | 6:47AM0.71m | 8:43PM1.27m | 8:31AM0.64m | ||||||||||||||||||||
 | |  | | |  |  |  | | | | | | | | | | | | | | | | | |
 | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:04 | — |
mm | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 23 | 23 | 26 | 27 | 27 | 26 | 24 | 24 | 23 | 23 | 27 | 31 | 29 | 26 | 24 | 23 | 23 | 22 | 25 | 27 | 27 | 24 | 21 |
Feels °C | 28 | 26 | 26 | 30 | 29 | 30 | 30 | 27 | 26 | 25 | 25 | 28 | 31 | 28 | 27 | 24 | 23 | 23 | 21 | 24 | 26 | 25 | 22 | 20 |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 16 | ESE 16 | ESE 14 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 |
| kJ | 978 | 878 | 896 | 800 | 5640 | 6575 | 5603 | 5448 | 5124 | 5105 | 4804 | 4390 | 4258 | 4398 | 4467 | 4016 | 3076 | 3251 | 3738 | 3717 | 3199 | 2265 | 1578 | 1018 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 9 | ESE 14 | ESE 13 | ESE 16 | — | — | S 8 | S 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 9 |
| kJ | 7 | 7 | 168 | 669 | 2480 | — | — | 6 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | ESE 20 | SE 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 38 | 727 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 10 | E 10 | — | E 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 4 | NNW 4 | — | — | WSW 9 | NNW 3 |
| kJ | 1380 | 1255 | — | 1209 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 16 | 16 | — | — | 7 | 8 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 183 | 29 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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