Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (08 Sep):
- Morning surf: Morning surf (08 Sep, local time) - 5ft (1.6m), 8s period with ESE swell.
- Afternoon surf: Afternoon surf (08 Sep, local time) - 6ft (1.9m), 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 4PM is: 1.9m 9s primary swell from a South direction and 1.3m 8s secondary swell from a East-southeast direction, 1.6m 8s secondary swell from a East-southeast direction (forecast issued at 08:00am September 08). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Sep) | 5ft (1.6m) | 8s |
| Afternoon (08 Sep) | 6ft (1.9m) | 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 68mm), 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 | ||||||||||||||||||||
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) | S 10 | ESE 8 | S 9 | S 9 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 299 | 327 | 422 | 632 | 1501 | 1561 | 1470 | 1502 | 1562 | 1205 | 919 | 537 | 400 | 374 | 330 | 230 | 235 | 227 | 184 | 180 | 180 | 156 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | off | cross | cross-off | cross-off | cross | cross | cross-on | cross-on | glassy | off | off | off | off | off | glassy | cross-off | glassy | glassy | glassy |
High Tide | 4:57PM1.71m | 4:03AM1.71m | 5:26PM1.79m | 4:52AM1.83m | 5:53PM1.84m | |||||||||||||||||
Low Tide | 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 | 3 | 7 | 6 | 3 | 2 | 1 | 2 | 6 | 8 | 6 | 5 | 8 | 7 | 1 | — | — | 1 | 1 | 1 | 1 | 1 | 1 |
Temp °C | 25 | 25 | 26 | 27 | 28 | 27 | 26 | 26 | 27 | 27 | 26 | 26 | 24 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 24 | 24 |
Feels °C | 30 | 30 | 31 | 32 | 33 | 32 | 30 | 30 | 30 | 30 | 29 | 32 | 27 | 23 | 23 | 24 | 24 | 24 | 26 | 26 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 9 | S 9 | S 9 | SSE 10 | SSE 10 | E 19 | E 19 | E 18 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
| kJ | 299 | 327 | 422 | 632 | 1247 | 1329 | 7 | 7 | 6 | 1205 | 795 | 537 | 400 | 374 | 330 | 230 | 235 | 227 | 184 | 180 | 180 | 156 |
Swell 2 Height (m) Direction Period (s) | SE 10 | ESE 10 | ESE 10 | ESE 8 | — | — | — | — | — | E 18 | E 18 | E 18 | E 18 | E 17 | SSW 8 | ENE 7 | NE 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | E 15 |
| kJ | 27 | 42 | 40 | 220 | — | — | — | — | — | 6 | 6 | 6 | 6 | 23 | 22 | 19 | 12 | 13 | 12 | 12 | 11 | 39 |
Swell 3 Height (m) Direction Period (s) | SE 11 | — | ESE 10 | ESE 10 | — | — | — | — | — | — | — | — | — | E 17 | E 17 | SSW 8 | S 8 | NE 7 | ENE 7 | ENE 7 | E 15 | SSW 8 |
| kJ | 29 | — | 39 | 56 | — | — | — | — | — | — | — | — | — | 23 | 22 | 14 | 5 | 12 | 9 | 4 | 17 | 11 |
Wind waves Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | — | S 8 | — | N 3 | N 3 | NE 6 | — | — | NE 6 | NE 6 | NE 6 | ENE 4 | ENE 4 |
| kJ | 256 | 295 | 270 | 302 | 1501 | 1561 | 1470 | 1502 | 1562 | — | 919 | — | 3 | 1 | 175 | — | — | 98 | 92 | 75 | 8 | 6 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 29 | 9 | 9 | 29 | 183 | 183 | 58 | 0 | 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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