Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 3.5ft (1.0m), 8s period with SSE swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 3.5ft (1.0m), 8s period with SSE swell.
- Evening surf: Evening surf (10 Sep, local time) - 3.5ft (1.1m), 8s period with SE swell.
The current surf forecast for Niyodo Rivermouth at 1PM is: 1.0m 8s primary swell from a South-southeast direction and 0.2m 16s secondary swell from a East direction (forecast issued at 08:00am September 10). An open ocean swell of 0.5m 5s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 3.5ft (1.0m) | 8s |
| Afternoon (10 Sep) | 3.5ft (1.0m) | 8s |
| Evening (10 Sep) | 3.5ft (1.1m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 32mm), heaviest during Thu afternoon. Warm (max 28°C on Sat morning, min 22°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | ||||||||||||||||||||
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) | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 7 | SE 7 | E 9 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 7 | S 7 | SSE 7 | S 7 | E 14 | E 14 | E 14 | E 14 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 140 | 133 | 126 | 123 | 128 | 141 | 121 | 118 | 99 | 88 | 117 | 147 | 164 | 159 | 127 | 100 | 79 | 61 | 89 | 89 | 89 | 134 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy |
High Tide | 4:52AM1.83m | 5:53PM1.84m | 5:36AM1.91m | 6:18PM1.86m | 6:17AM1.93m | 6:43PM1.87m | ||||||||||||||||
Low Tide | 11:25AM0.13m | 11:42PM0.58m | 12:00PM0.17m | 00:14AM0.45m | 12:32PM0.26m | |||||||||||||||||
 | |  |  | |  | |  |  | |  | | |  | | | | | | | |  | |
 | 5:43 | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — |
 | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:16 | — |
mm | — | — | 1 | 6 | 5 | — | — | 2 | 1 | — | 2 | 3 | 1 | — | — | — | — | 1 | 3 | 3 | 2 | 1 |
Temp °C | 23 | 25 | 24 | 22 | 23 | 23 | 23 | 24 | 24 | 26 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 27 | 28 | 28 | 27 | 26 |
Feels °C | 25 | 27 | 27 | 26 | 27 | 27 | 27 | 28 | 28 | 31 | 30 | 32 | 32 | 29 | 30 | 29 | 29 | 33 | 33 | 33 | 33 | 31 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SSE 7 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 7 | S 7 | SSE 7 | S 7 | S 7 | S 7 | SSE 7 | E 14 |
| kJ | 140 | 133 | 126 | 123 | 128 | 141 | 121 | 118 | 86 | 88 | 117 | 147 | 164 | 159 | 127 | 100 | 79 | 61 | 47 | 34 | 36 | 134 |
Swell 2 Height (m) Direction Period (s) | ENE 6 | ENE 5 | E 16 | E 15 | SSW 8 | SSW 8 | SSW 8 | ESE 11 | E 9 | E 9 | E 8 | E 14 | E 14 | E 5 | E 4 | E 14 | E 14 | E 13 | E 14 | E 14 | E 14 | S 7 |
| kJ | 27 | 23 | 20 | 18 | 12 | 12 | 12 | 22 | 55 | 53 | 43 | 61 | 59 | 16 | 10 | 62 | 58 | 56 | 89 | 89 | 89 | 34 |
Swell 3 Height (m) Direction Period (s) | ENE 7 | ENE 7 | E 7 | E 7 | E 15 | E 15 | ESE 11 | SSW 8 | E 15 | E 15 | E 14 | E 7 | ESE 10 | E 14 | E 14 | ENE 5 | ESE 10 | ESE 10 | SE 10 | ESE 10 | ESE 10 | ENE 4 |
| kJ | 16 | 9 | 4 | 1 | 17 | 39 | 22 | 12 | 39 | 42 | 63 | 15 | 19 | 61 | 63 | 7 | 19 | 18 | 24 | 37 | 36 | 2 |
Wind waves Height (m) Direction Period (s) | ENE 6 | NE 6 | E 5 | E 4 | ENE 5 | E 5 | E 6 | E 5 | E 9 | — | — | E 4 | E 4 | ENE 4 | ENE 5 | NE 5 | — | — | — | — | — | — |
| kJ | 63 | 46 | 18 | 10 | 32 | 36 | 48 | 28 | 99 | — | — | 5 | 13 | 14 | 24 | 17 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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