Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (27 Aug):
- Morning surf: Morning surf (27 Aug, local time) - 4ft (1.2m), 10s period with SSW swell.
- Afternoon surf: Afternoon surf (27 Aug, local time) - 4ft (1.2m), 10s period with SSE swell.
- Evening surf: Evening surf (27 Aug, local time) - 3.5ft (1.1m), 9s period with SSE swell.
The current surf forecast for Niyodo Rivermouth at 6AM is: 1.3m 10s primary swell from a South-southwest direction and 1.1m 9s secondary swell from a Southeast direction (forecast issued at 02:00am August 27). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Aug) | 4ft (1.2m) | 10s |
| Afternoon (27 Aug) | 4ft (1.2m) | 10s |
| Evening (27 Aug) | 3.5ft (1.1m) | 9s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Thu morning. Warm (max 30°C on Fri morning, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | ||||||||||||||||||||||
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) | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | SSE 10 | SSE 9 | SSE 9 | S 9 | S 9 | S 8 | SSE 8 | S 8 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | SSW 7 | SSW 7 | S 7 | S 7 | SSW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 436 | 404 | 331 | 275 | 248 | 258 | 242 | 188 | 275 | 263 | 224 | 116 | 153 | 131 | 103 | 108 | 108 | 108 | 88 | 91 | 91 | 53 | 53 | 91 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | on | cross-on | on | glassy | glassy | glassy | glassy | glassy | glassy | on | on | glassy | glassy | glassy | glassy | glassy | glassy | on | on | on | glassy |
High Tide | 5:03AM1.74m | 6:12PM1.76m | 5:39AM1.81m | 6:34PM1.80m | 6:14AM1.86m | 6:56PM1.84m | ||||||||||||||||||
Low Tide | 11:25PM0.84m | 11:40AM0.20m | 11:53PM0.72m | 12:08PM0.18m | 00:21AM0.60m | 12:37PM0.21m | ||||||||||||||||||
 | |  | | | | | | | | |  | | | | |  |  |  | | | | | | |
 | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:35 | — |
mm | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 2 | 2 | 1 | — | — | 2 | 2 | 1 | — | — | — | — | — | — | — | 1 |
Temp °C | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 27 | 27 | 26 | 26 | 28 | 30 | 28 | 27 | 26 | 26 | 25 | 25 | 27 | 29 | 29 | 28 | 27 |
Feels °C | 33 | 32 | 32 | 32 | 33 | 33 | 34 | 33 | 32 | 31 | 32 | 34 | 34 | 33 | 33 | 31 | 31 | 30 | 30 | 32 | 33 | 33 | 33 | 33 |
Swell 1 Height (m) Direction Period (s) | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | SSE 10 | SSE 9 | SSE 9 | S 9 | S 9 | S 8 | SSE 8 | S 8 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | SSW 7 | E 12 | S 7 | S 7 | E 11 |
| kJ | 436 | 404 | 331 | 275 | 248 | 258 | 242 | 188 | 275 | 263 | 224 | 116 | 153 | 131 | 103 | 108 | 108 | 108 | 88 | 91 | 44 | 53 | 53 | 41 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SE 8 | SE 9 | SSE 9 | SSE 9 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SW 8 | E 11 | ESE 11 | SSW 8 | E 13 | SSE 8 | E 13 | E 12 | E 12 | E 12 | E 12 | SE 9 | E 12 | E 12 | SE 11 |
| kJ | 197 | 162 | 178 | 168 | 168 | 199 | 186 | 181 | 47 | 34 | 37 | 39 | 50 | 82 | 37 | 80 | 74 | 72 | 44 | 44 | 14 | 44 | 42 | 19 |
Swell 3 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | SW 8 | SE 10 | E 13 | SSE 8 | E 13 | SE 10 | SE 9 | SE 9 | SSE 9 | SE 9 | SE 13 | SE 9 | SSE 11 | SSE 9 |
| kJ | 73 | 72 | 44 | 44 | 44 | 43 | 42 | 39 | 38 | 37 | 17 | 25 | 85 | 24 | 82 | 23 | 14 | 14 | 8 | 14 | 7 | 13 | 12 | 8 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SSW 8 | — | SSW 8 | SSW 8 | — | — | — | — | — | — | — | — | SSW 7 | SSW 4 | SSW 4 | SSW 7 |
| kJ | — | — | — | — | — | — | — | — | 147 | — | 116 | 100 | — | — | — | — | — | — | — | — | 91 | 10 | 16 | 91 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 51 | 51 | 51 | 58 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 51 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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