Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (05 Sep):
- Morning surf: Morning surf (05 Sep, local time) - 3.5ft (1.1m), 9s period with S swell.
- Afternoon surf: Afternoon surf (05 Sep, local time) - 4.5ft (1.3m), 7s period with E swell.
- Evening surf: Evening surf (05 Sep, local time) - 5ft (1.5m), 7s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 3AM is: 1.2m 10s primary swell from a South-southwest direction and 0.7m 8s secondary swell from a South-southeast direction (forecast issued at 08:00pm September 04). An open ocean swell of 1.0m 6s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Sep) | 3.5ft (1.1m) | 9s |
| Afternoon (05 Sep) | 4.5ft (1.3m) | 7s |
| Evening (05 Sep) | 5ft (1.5m) | 7s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 50mm), heaviest during Sun night. Warm (max 28°C on Mon afternoon, min 22°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Fri 4 | Saturday 5 | Sunday 6 | ||||||||||||||||
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 | S 10 | SSW 10 | SSW 10 | SSW 10 | S 9 | E 7 | E 7 | E 7 | ESE 7 | ESE 7 | E 7 | E 8 | ESE 8 | E 9 | E 10 | E 10 | E 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 522 | 480 | 307 | 258 | 210 | 203 | 143 | 176 | 148 | 215 | 259 | 285 | 346 | 704 | 1603 | 1958 | 2550 | 4717 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | glassy | glassy | off | glassy | glassy | glassy | glassy | glassy | off | off | off | off | glassy | off | off | off |
High Tide | 9:51PM1.57m | 1:52PM1.33m | 11:11PM1.47m | 3:38PM1.46m | ||||||||||||||
Low Tide | 3:53PM1.10m | 5:43AM0.50m | 5:37PM1.25m | 7:35AM0.47m | 8:37PM1.23m | |||||||||||||
 |  | | |  | | | |  |  |  |  | | |  | | |  | |
 | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — |
 | 6:28 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — |
mm | 16 | 4 | 3 | 1 | — | — | — | — | — | — | — | 1 | — | — | 1 | 3 | 1 | 8 |
Temp °C | 23 | 22 | 22 | 22 | 22 | 23 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 22 |
Feels °C | 27 | 24 | 26 | 25 | 24 | 26 | 28 | 29 | 29 | 27 | 26 | 26 | 27 | 28 | 30 | 28 | 27 | 24 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | SSW 10 | SSW 10 | SSW 10 | S 9 | E 7 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | E 7 | SSW 8 | SSW 9 | SSW 9 | SSW 9 | SSE 13 | E 11 |
| kJ | 522 | 480 | 307 | 258 | 210 | 203 | 134 | 132 | 126 | 103 | 82 | 285 | 41 | 30 | 16 | 8 | 17 | 3046 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 9 | SSE 8 | SSE 8 | SSE 8 | E 10 | SSW 9 | — | E 13 | SE 7 | — | SSW 8 | E 13 | SE 9 | — | S 14 | SSW 9 | SE 12 |
| kJ | 16 | 16 | 60 | 54 | 32 | 7 | 143 | — | 3 | 2 | — | 55 | 3 | 21 | — | 4 | 8 | 336 |
Swell 3 Height (m) Direction Period (s) | E 15 | E 14 | E 10 | E 9 | E 9 | SE 9 | SSE 7 | — | — | E 13 | — | E 13 | — | — | — | — | S 9 | SSW 9 |
| kJ | 4 | 4 | 16 | 15 | 15 | 3 | 20 | — | — | 3 | — | 3 | — | — | — | — | 2 | 8 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | — | E 7 | E 7 | ESE 7 | ESE 7 | — | E 8 | ESE 8 | E 9 | E 10 | E 10 | E 11 |
| kJ | 83 | 71 | 80 | 62 | 54 | 78 | — | 176 | 148 | 215 | 259 | — | 346 | 704 | 1603 | 1958 | 2550 | 4717 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 9 | 9 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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Live Wave Height (m)
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