Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (11 Sep):
- Afternoon surf: Afternoon surf (11 Sep, local time) - 4.5ft (1.3m), 7s period with SSE swell.
- Evening surf: Evening surf (11 Sep, local time) - 3.5ft (1.1m), 7s period with SSE swell.
The current surf forecast for Niyodo Rivermouth at 7PM is: 1.3m 7s primary swell from a South-southeast direction and 0.4m 14s secondary swell from a East direction (forecast issued at 02:00pm September 11). An open ocean swell of 0.6m 5s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | - | - |
| Afternoon (11 Sep) | 4.5ft (1.3m) | 7s |
| Evening (11 Sep) | 3.5ft (1.1m) | 7s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Sat morning. Warm (max 28°C on Sat afternoon, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | ||||||||||||||||||
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 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 | ESE 13 | E 13 | E 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 147 | 172 | 172 | 136 | 111 | 84 | 65 | 68 | 89 | 89 | 89 | 134 | 142 | 93 | 88 | 85 | 87 | 257 | 171 | 84 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | cross | cross-off | glassy | glassy | glassy | glassy | on | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | on | on | cross-on | glassy |
High Tide | 6:18PM1.86m | 6:17AM1.93m | 6:43PM1.87m | 6:55AM1.89m | 7:06PM1.85m | |||||||||||||||
Low Tide | 00:14AM0.45m | 12:32PM0.26m | 00:46AM0.35m | 1:01PM0.39m | ||||||||||||||||
 |  | |  | | |  | | | |  |  | | | | | | | | | |
 | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — |
 | — | — | 6:17 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:15 | — |
mm | 1 | 1 | 1 | — | — | — | — | 1 | 2 | 1 | — | — | — | — | 1 | 1 | — | — | — | — |
Temp °C | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 25 | 25 | 25 | 25 | 27 | 28 | 28 | 27 | 25 |
Feels °C | 32 | 32 | 31 | 29 | 30 | 30 | 30 | 31 | 31 | 33 | 32 | 30 | 30 | 29 | 29 | 31 | 31 | 32 | 32 | 30 |
Swell 1 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | SSE 7 | E 14 | E 14 | E 14 | E 4 | E 4 | ESE 9 | ESE 9 | ESE 13 | E 13 | SE 9 |
| kJ | 147 | 172 | 172 | 136 | 111 | 84 | 65 | 68 | 47 | 41 | 89 | 134 | 142 | 10 | 10 | 48 | 55 | 257 | 171 | 75 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 14 | E 14 | E 4 | E 14 | E 14 | E 14 | E 13 | E 14 | E 14 | SSE 7 | S 7 | S 7 | E 14 | E 13 | E 13 | E 13 | S 7 | SE 8 | E 13 |
| kJ | 50 | 61 | 59 | 9 | 63 | 62 | 58 | 56 | 89 | 89 | 15 | 23 | 23 | 93 | 88 | 85 | 87 | 14 | 35 | 84 |
Swell 3 Height (m) Direction Period (s) | E 14 | — | ESE 10 | E 14 | E 6 | ESE 10 | E 5 | ESE 10 | SE 10 | ESE 10 | ESE 10 | — | S 7 | ESE 9 | ESE 9 | S 7 | S 7 | E 4 | S 6 | S 7 |
| kJ | 63 | — | 19 | 61 | 12 | 18 | 8 | 18 | 24 | 38 | 36 | — | 23 | 32 | 32 | 14 | 14 | 1 | 7 | 8 |
Wind waves Height (m) Direction Period (s) | — | E 7 | E 5 | E 7 | ENE 6 | E 5 | E 5 | ENE 4 | ESE 5 | E 4 | ESE 5 | E 5 | E 5 | S 7 | — | — | — | — | — | — |
| kJ | — | 39 | 16 | 22 | 31 | 13 | 11 | 6 | 7 | 6 | 7 | 12 | 11 | 32 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 29 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 58 | 58 | 58 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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