Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 1.5ft (0.5m), 9s period with E swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 1.5ft (0.5m), 10s period with E swell.
- Evening surf: Evening surf (18 Jul, local time) - 1.5ft (0.5m), 9s period with E swell.
The current surf forecast for Niyodo Rivermouth at 11AM is: 0.5m 9s primary swell from a East direction and 0.3m 7s secondary swell from a South-southwest direction (forecast issued at 08:00am July 18). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 1.5ft (0.5m) | 9s |
| Afternoon (18 Jul) | 1.5ft (0.5m) | 10s |
| Evening (18 Jul) | 1.5ft (0.5m) | 9s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat night. Warm (max 30°C on Sat morning, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||
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 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 41 | 39 | 39 | 47 | 38 | 42 | 41 | 43 | 43 | 44 | 42 | 45 | 45 | 45 | 67 | 63 | 60 | 60 | 60 | 60 | 59 | 60 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | on | on | cross-on | glassy | glassy | glassy | glassy | cross-on | on | on | on | glassy | glassy | glassy | glassy | glassy | on | on | glassy | glassy |
High Tide | 8:08AM1.78m | 9:12PM1.74m | 8:56AM1.65m | 9:43PM1.69m | 9:48AM1.51m | |||||||||||||||||
Low Tide | 2:40PM0.24m | 3:06AM0.70m | 3:16PM0.45m | 3:52AM0.67m | 3:50PM0.66m | |||||||||||||||||
 | | |  | |  |  | | | | | | | | | | | | | | | | |
 | 5:07 | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — |
 | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:14 | — |
mm | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 29 | 30 | 30 | 29 | 27 | 27 | 27 | 26 | 28 | 30 | 29 | 28 | 27 | 26 | 26 | 26 | 29 | 29 | 29 | 29 | 27 |
Feels °C | 31 | 33 | 34 | 34 | 34 | 33 | 33 | 33 | 31 | 33 | 34 | 33 | 32 | 33 | 31 | 31 | 31 | 34 | 32 | 33 | 35 | 33 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 41 | 39 | 39 | 47 | 38 | 42 | 41 | 43 | 43 | 44 | 42 | 45 | 45 | 45 | 67 | 63 | 60 | 60 | 60 | 60 | 59 | 60 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SSW 7 | SE 8 | SE 8 | SSW 7 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 9 | 9 | 9 | 18 | 18 | 9 | 17 | 11 | 11 | 10 | 9 | 9 | 10 | 5 | 8 | 8 | 8 | 7 | 14 | 14 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SSW 7 | SSW 7 | SE 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SE 8 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 5 | SSW 7 | ESE 12 | ESE 11 | ESE 12 | ESE 11 | SSW 7 |
| kJ | 13 | 13 | 12 | 9 | 9 | 11 | 9 | 9 | 9 | 9 | 9 | 3 | 3 | 4 | 3 | 3 | 4 | 14 | 13 | 14 | 13 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | E 3 | E 4 | E 3 | — | SSE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 1 | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 539 | 297 | 297 | 0 | 0 | 0 | 0 | 51 | 497 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 51 | 51 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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