Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (14 Sep):
- Morning surf: Morning surf (14 Sep, local time) - 3.5ft (1.1m), 8s period with SE swell.
- Afternoon surf: Afternoon surf (14 Sep, local time) - 3.5ft (1.1m), 8s period with SE swell.
- Evening surf: Evening surf (14 Sep, local time) - 4ft (1.2m), 8s period with SE swell.
The current surf forecast for Niyodo Rivermouth at 10AM is: 1.1m 8s primary swell from a Southeast direction and 0.4m 13s secondary swell from a East direction (forecast issued at 02:00am September 14). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | 3.5ft (1.1m) | 8s |
| Afternoon (14 Sep) | 3.5ft (1.1m) | 8s |
| Evening (14 Sep) | 4ft (1.2m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 33mm), heaviest during Mon night. Warm (max 28°C on Mon morning, min 22°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||||||||||
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) | SE 8 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 10 | SE 10 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 138 | 170 | 166 | 162 | 162 | 154 | 184 | 191 | 296 | 334 | 360 | 334 | 327 | 320 | 255 | 249 | 211 | 194 | 194 | 165 | 213 | 111 | 264 | 86 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | glassy | on | on | on | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | glassy | off | off | glassy | off | glassy | glassy | glassy | glassy | off |
High Tide | 7:33AM1.81m | 7:27PM1.81m | 8:10AM1.69m | 7:49PM1.75m | 8:48AM1.55m | 8:09PM1.68m | ||||||||||||||||||
Low Tide | 1:18AM0.30m | 1:29PM0.54m | 1:49AM0.31m | 1:53PM0.70m | 2:22AM0.36m | 2:16PM0.85m | ||||||||||||||||||
 |  |  | | | |  | | |  |  | |  | | | | | |  | | | | |  | |
 | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:10 | — |
mm | 1 | — | — | — | — | — | 1 | 1 | 4 | 1 | — | — | — | 1 | 1 | 3 | 1 | 3 | 2 | 1 | 4 | 3 | 4 | 2 |
Temp °C | 25 | 25 | 24 | 27 | 28 | 28 | 26 | 25 | 24 | 24 | 24 | 25 | 27 | 27 | 26 | 24 | 24 | 24 | 23 | 26 | 25 | 26 | 25 | 24 |
Feels °C | 29 | 29 | 27 | 32 | 32 | 31 | 29 | 30 | 29 | 28 | 28 | 30 | 31 | 30 | 31 | 28 | 27 | 27 | 26 | 30 | 29 | 31 | 29 | 27 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 10 | SE 10 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 12 | ESE 9 | E 13 | ESE 9 |
| kJ | 138 | 170 | 166 | 162 | 162 | 154 | 184 | 191 | 296 | 334 | 360 | 334 | 327 | 320 | 255 | 249 | 211 | 194 | 194 | 165 | 48 | 111 | 52 | 86 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 14 | E 14 | E 13 | E 13 | E 13 | E 13 | E 14 | E 14 | E 14 | S 7 | E 13 | S 7 | E 13 |
| kJ | 83 | 83 | 83 | 53 | 50 | 73 | 71 | 103 | 44 | 46 | 47 | 37 | 35 | 30 | 56 | 54 | 54 | 57 | 63 | 63 | 1 | 51 | 1 | 52 |
Swell 3 Height (m) Direction Period (s) | S 6 | S 7 | S 7 | S 7 | S 7 | S 7 | E 16 | S 7 | S 7 | S 6 | E 15 | E 12 | E 12 | E 15 | S 6 | S 6 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 6 | S 7 |
| kJ | 3 | 4 | 4 | 3 | 4 | 4 | 5 | 1 | 1 | 1 | 4 | 11 | 11 | 39 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | S 7 | — | — | — | — | — | — | — | — | — | — | — | ENE 3 | E 4 | ESE 9 | E 5 | ESE 9 | E 5 |
| kJ | — | — | — | — | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — | 3 | 6 | 213 | 43 | 264 | 37 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 51 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 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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