Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (25 Sep):
- Morning surf: Morning surf (25 Sep, local time) - 0.5ft (0.2m), 9s period with E swell.
- Afternoon surf: Afternoon surf (25 Sep, local time) - 0.5ft (0.2m), 9s period with E swell.
- Evening surf: Evening surf (25 Sep, local time) - 0.5ft (0.2m), 9s period with E swell.
The current surf forecast for Niyodo Rivermouth at 1PM is: 0.2m 8s primary swell from a South-southeast direction and 0.2m 9s secondary swell from a East direction, 0.3m 5s secondary swell from a East direction (forecast issued at 08:00am September 25). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Sep) | 0.5ft (0.2m) | 9s |
| Afternoon (25 Sep) | 0.5ft (0.2m) | 9s |
| Evening (25 Sep) | 0.5ft (0.2m) | 9s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 26mm), heaviest during Sat afternoon. Warm (max 26°C on Fri morning, min 22°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||
Friday 25 | Saturday 26 | Sunday 27 | ||||||||||||||||||||
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) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SSE 10 | ESE 10 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | E 8 | SSE 8 | SSE 8 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 15 | 15 | 14 | 13 | 20 | 20 | 17 | 27 | 24 | 23 | 26 | 24 | 32 | 23 | 19 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | on | on | on | glassy | cross-off | glassy | off | glassy | on | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy |
High Tide | 4:46AM1.75m | 5:25PM1.78m | 5:23AM1.84m | 5:48PM1.84m | 6:00AM1.90m | 6:11PM1.87m | ||||||||||||||||
Low Tide | 11:07AM0.31m | 11:22PM0.52m | 11:37AM0.31m | 11:51PM0.37m | 12:07PM0.36m | |||||||||||||||||
 |  | | |  | |  | | | | |  |  |  |  | |  | |  | | | | |
 | 5:54 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | 5:59 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:55 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 3 | 6 | 3 | — | — | — | 1 | 5 | 4 | 1 | 1 |
Temp °C | 23 | 25 | 26 | 26 | 24 | 23 | 22 | 23 | 22 | 25 | 26 | 24 | 23 | 23 | 23 | 22 | 22 | 23 | 22 | 22 | 23 | 23 |
Feels °C | 25 | 28 | 28 | 28 | 27 | 26 | 24 | 26 | 24 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 26 | 26 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | SSE 8 | E 9 | E 9 | SSE 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SSE 10 | ESE 10 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | E 8 | SSW 4 | SSE 8 |
| kJ | 7 | 7 | 6 | 6 | 7 | 7 | 6 | 15 | 15 | 14 | 13 | 20 | 20 | 17 | 27 | 24 | 23 | 26 | 24 | 32 | 5 | 19 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | SSE 8 | SSE 8 | E 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | E 9 | SSE 9 | E 8 | E 8 | E 8 | E 8 | E 4 | E 8 | SSE 8 | SSE 8 | E 8 |
| kJ | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 13 | 8 | 13 | 12 | 12 | 5 | 3 | 21 | 20 | 23 | 12 |
Swell 3 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 7 | E 3 | E 3 | E 5 | — | — | — | S 6 | SW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | E 10 | E 8 | E 4 | SE 14 | E 8 | E 6 |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | 1 | 1 | 2 | 2 | 1 | 1 | 8 | 5 | 3 | 8 | 12 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | E 4 | E 5 | — | — | — | — | — | — | E 2 | E 3 | E 3 | E 4 | E 4 | E 3 | E 4 | — | — | SSW 3 | SW 4 | SSW 4 |
| kJ | — | — | 4 | 4 | — | — | — | — | — | — | 1 | 5 | 5 | 6 | 4 | 2 | 3 | — | — | 1 | 6 | 11 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 622 | 2398 | 653 | 645 | 645 | 645 | 983 | 647 | 338 | 338 | 338 | 283 | 233 | 233 | 233 | 229 | 233 | 51 | 29 | 0 | 279 | 183 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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