Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (08 Sep):
- Morning surf: Morning surf (08 Sep, local time) - 4.5ft (1.4m), 9s period with S swell.
- Afternoon surf: Afternoon surf (08 Sep, local time) - 6ft (1.8m), 9s period with S swell.
- Evening surf: Evening surf (08 Sep, local time) - 10ft (3.0m), 10s period with SSE swell.
The current surf forecast for Niyodo Rivermouth at 9AM is: 1.4m 9s primary swell from a South direction and 0.4m 10s secondary swell from a Southeast direction, 1.5m 8s secondary swell from a East-southeast direction (forecast issued at 02:00am September 08). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Sep) | 4.5ft (1.4m) | 9s |
| Afternoon (08 Sep) | 6ft (1.8m) | 9s |
| Evening (08 Sep) | 10ft (3.0m) | 10s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 53mm), heaviest during Tue night. Warm (max 28°C on Tue afternoon, min 22°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | ||||||||||||||||||||||
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 9 | S 10 | S 10 | S 9 | S 9 | S 9 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 9 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 399 | 354 | 299 | 327 | 431 | 568 | 1021 | 1432 | 1406 | 1376 | 1469 | 1317 | 1173 | 657 | 443 | 374 | 314 | 260 | 232 | 216 | 243 | 231 | 197 | 189 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross | off | off | off | off | off | cross-off | glassy | glassy | glassy |
High Tide | 3:00AM1.57m | 4:57PM1.71m | 4:03AM1.71m | 5:26PM1.79m | 4:52AM1.83m | 5:53PM1.84m | ||||||||||||||||||
Low Tide | 9:49PM1.08m | 10:00AM0.23m | 10:32PM0.91m | 10:46AM0.15m | 11:08PM0.74m | 11:25AM0.13m | ||||||||||||||||||
 | |  | |  | | |  |  |  |  | | | |  | | |  | | | | |  | | |
 | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:19 | — |
mm | — | — | 2 | 4 | 2 | 3 | 2 | 1 | 1 | 5 | 9 | 7 | 5 | 3 | 2 | 3 | 1 | — | 1 | 2 | 1 | 1 | — | — |
Temp °C | 25 | 25 | 25 | 26 | 27 | 27 | 28 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 23 | 22 | 22 | 22 | 22 | 23 | 24 | 24 | 24 |
Feels °C | 28 | 28 | 29 | 32 | 32 | 32 | 34 | 30 | 30 | 30 | 30 | 30 | 28 | 29 | 31 | 26 | 23 | 24 | 24 | 24 | 26 | 27 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | SE 9 | ESE 8 | S 10 | S 9 | S 9 | S 9 | SSE 10 | SSE 10 | SSE 10 | E 19 | E 18 | E 18 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 |
| kJ | 399 | 270 | 299 | 327 | 431 | 568 | 1021 | 1212 | 1276 | 7 | 6 | 6 | 950 | 657 | 443 | 374 | 314 | 260 | 232 | 216 | 243 | 231 | 197 | 189 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | SE 10 | SE 10 | ESE 10 | ESE 10 | — | — | E 19 | — | — | — | E 18 | E 18 | E 18 | E 17 | SSW 8 | SSW 8 | S 8 | SSW 8 | SSW 8 | SSW 8 | ENE 5 | ENE 5 |
| kJ | 250 | 354 | 28 | 28 | 41 | 38 | — | — | 7 | — | — | — | 6 | 6 | 6 | 23 | 13 | 14 | 5 | 13 | 12 | 19 | 8 | 7 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | SE 11 | ESE 10 | ESE 10 | ESE 10 | — | — | — | — | — | — | — | W 7 | W 7 | — | E 17 | E 16 | E 16 | ENE 7 | E 16 | ENE 6 | SSW 8 | E 15 |
| kJ | 12 | 12 | 29 | 42 | 40 | 39 | — | — | — | — | — | — | — | 1 | 1 | — | 22 | 21 | 21 | 4 | 20 | 8 | 12 | 39 |
Wind waves Height (m) Direction Period (s) | ENE 5 | NE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | — | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 9 | — | NNW 3 | N 3 | N 3 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | ENE 5 | ENE 5 |
| kJ | 94 | 43 | 244 | 259 | 232 | 212 | — | 1432 | 1406 | 1376 | 1469 | 1317 | 1173 | — | 5 | 3 | 1 | 98 | 77 | 77 | 77 | 95 | 20 | 19 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 29 | 29 | 58 | 183 | 183 | 51 | 61 | 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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