Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (07 Sep):
- Afternoon surf: Afternoon surf (07 Sep, local time) - 6ft (1.8m), 9s period with ESE swell.
- Evening surf: Evening surf (07 Sep, local time) - 5.5ft (1.7m), 9s period with SE swell.
The current surf forecast for Niyodo Rivermouth at 8PM is: 1.7m 9s primary swell from a Southeast direction and 1.0m 11s secondary swell from a South direction (forecast issued at 02:00pm September 07). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Sep) | - | - |
| Afternoon (07 Sep) | 6ft (1.8m) | 9s |
| Evening (07 Sep) | 5.5ft (1.7m) | 9s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 45mm), heaviest during Wed morning. Warm (max 28°C on Tue afternoon, min 23°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Mon 7 | Tuesday 8 | Wednesday 9 | ||||||||||||||||||
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) | ESE 9 | ESE 9 | ESE 9 | SE 9 | SE 9 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 535 | 512 | 528 | 439 | 399 | 305 | 299 | 282 | 327 | 450 | 497 | 497 | 533 | 1010 | 1057 | 1074 | 692 | 538 | 439 | 304 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | glassy | off | off | glassy | off | glassy | glassy | cross-off | off | cross-off | cross-off | cross-off | cross-off | off | off | off |
High Tide | 4:23PM1.60m | 3:00AM1.57m | 4:57PM1.71m | 4:03AM1.71m | 5:26PM1.79m | |||||||||||||||
Low Tide | 9:49PM1.08m | 10:00AM0.23m | 10:32PM0.91m | 10:46AM0.15m | ||||||||||||||||
 |  | |  | | | |  | |  | |  |  | | | |  | | | | |
 | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — |
 | — | — | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — |
mm | — | 1 | — | — | — | — | — | 4 | 2 | 1 | 2 | 2 | 1 | 1 | 1 | 4 | 10 | 8 | 4 | 3 |
Temp °C | 28 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 24 |
Feels °C | 33 | 31 | 32 | 30 | 29 | 28 | 28 | 30 | 31 | 34 | 32 | 31 | 31 | 31 | 30 | 30 | 31 | 29 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | S 10 | SE 9 | SE 9 | ESE 8 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 |
| kJ | 535 | 512 | 106 | 439 | 399 | 237 | 299 | 282 | 327 | 450 | 497 | 497 | 533 | 859 | 867 | 827 | 692 | 538 | 439 | 304 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 11 | SSW 11 | S 11 | S 10 | S 10 | ESE 8 | ESE 8 | ESE 10 | ESE 10 | ESE 10 | — | ESE 8 | E 19 | E 18 | E 18 | E 18 | E 18 | E 18 | SSW 8 |
| kJ | 52 | 79 | 47 | 229 | 250 | 305 | 223 | 207 | 41 | 40 | 39 | — | 256 | 7 | 6 | 6 | 6 | 6 | 6 | 22 |
Swell 3 Height (m) Direction Period (s) | SSW 10 | SSW 10 | SSW 11 | E 8 | E 8 | E 8 | SE 10 | ESE 10 | ESE 10 | ESE 10 | — | — | E 19 | — | — | — | — | — | E 17 | E 17 |
| kJ | 9 | 19 | 46 | 22 | 22 | 12 | 28 | 42 | 41 | 39 | — | — | 7 | — | — | — | — | — | 6 | 23 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 9 | ESE 9 | E 8 | ENE 5 | ENE 5 | — | NE 4 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | — | SSE 9 | SSE 8 | SSE 8 | N 3 | NNW 3 | — | — |
| kJ | 310 | 358 | 528 | 60 | 91 | 91 | — | 1 | 231 | 207 | 196 | 250 | — | 1010 | 1057 | 1074 | 5 | 4 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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