Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 3ft (0.9m), 8s period with SSE swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 4.5ft (1.3m), 7s period with SSE swell.
- Evening surf: Evening surf (11 Sep, local time) - 4ft (1.2m), 7s period with SSE swell.
The current surf forecast for Niyodo Rivermouth at 8AM is: 0.9m 7s primary swell from a South-southeast direction and 0.7m 7s secondary swell from a East direction (forecast issued at 02:00am September 11). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 3ft (0.9m) | 8s |
| Afternoon (11 Sep) | 4.5ft (1.3m) | 7s |
| Evening (11 Sep) | 4ft (1.2m) | 7s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Fri afternoon. Warm (max 28°C on Sat afternoon, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||||||||||
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 | 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) | SE 7 | SSE 7 | E 7 | SSE 8 | SSE 7 | SSE 7 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 | ESE 13 | E 13 | ESE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 118 | 84 | 134 | 99 | 147 | 181 | 204 | 164 | 132 | 108 | 79 | 63 | 89 | 89 | 89 | 134 | 192 | 93 | 88 | 85 | 87 | 257 | 171 | 129 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | off | glassy | glassy | on | glassy | cross-off | cross-off | glassy | glassy | glassy | glassy | cross-on | cross-on | glassy | glassy | glassy | cross-off | glassy | glassy | on | cross-on | glassy | glassy |
High Tide | 5:36AM1.91m | 6:18PM1.86m | 6:17AM1.93m | 6:43PM1.87m | 6:55AM1.89m | 7:06PM1.85m | ||||||||||||||||||
Low Tide | 11:42PM0.58m | 12:00PM0.17m | 00:14AM0.45m | 12:32PM0.26m | 00:46AM0.35m | 1:01PM0.39m | ||||||||||||||||||
 |  |  | |  |  | |  |  | |  | | | | | | | | | | | | |  | |
 | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:15 | — |
mm | 1 | — | — | — | 1 | 2 | 1 | — | 1 | — | — | 1 | 2 | 1 | — | — | — | — | — | — | — | 1 | — | 1 |
Temp °C | 24 | 24 | 24 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 26 | 25 | 25 | 25 | 27 | 28 | 28 | 26 | 26 |
Feels °C | 28 | 27 | 28 | 31 | 31 | 32 | 31 | 29 | 30 | 30 | 29 | 31 | 31 | 32 | 32 | 31 | 29 | 29 | 29 | 32 | 31 | 32 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | SE 7 | SSE 7 | SSE 7 | SSE 8 | SSE 7 | SSE 7 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 7 | SSE 7 | E 14 | E 14 | E 14 | S 7 | ESE 9 | ESE 9 | ESE 13 | E 13 | ESE 9 |
| kJ | 118 | 84 | 86 | 99 | 147 | 181 | 204 | 164 | 132 | 108 | 79 | 63 | 47 | 34 | 25 | 134 | 192 | 93 | 23 | 48 | 65 | 257 | 171 | 129 |
Swell 2 Height (m) Direction Period (s) | SSW 8 | E 6 | E 6 | E 7 | E 7 | E 4 | E 5 | ENE 5 | E 14 | E 14 | E 14 | E 13 | E 14 | E 14 | E 14 | SSE 7 | S 7 | S 7 | ESE 9 | S 7 | E 13 | S 7 | SE 9 | E 13 |
| kJ | 12 | 32 | 36 | 50 | 50 | 14 | 16 | 7 | 63 | 62 | 58 | 56 | 89 | 89 | 89 | 36 | 24 | 23 | 46 | 23 | 87 | 14 | 65 | 84 |
Swell 3 Height (m) Direction Period (s) | ESE 11 | E 8 | E 9 | E 15 | E 14 | E 14 | E 14 | E 14 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SE 10 | ESE 10 | ESE 10 | — | ESE 9 | ESE 9 | E 13 | E 13 | S 7 | — | S 6 | S 7 |
| kJ | 22 | 13 | 24 | 74 | 63 | 61 | 59 | 61 | 20 | 19 | 19 | 19 | 24 | 38 | 36 | — | 32 | 32 | 88 | 85 | 14 | — | 7 | 8 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 7 | — | — | — | — | — | — | — | — | ENE 5 | ENE 5 | ENE 5 | — | ENE 4 | ENE 6 | — | E 4 | E 4 | ENE 6 | E 6 | ENE 6 | — |
| kJ | 61 | 71 | 134 | — | — | — | — | — | — | — | — | 8 | 7 | 4 | — | 3 | 3 | — | 1 | 1 | 7 | 7 | 4 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 330 | 58 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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