Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (02 Sep):
- Morning surf: Morning surf (02 Sep, local time) - 4ft (1.2m), 9s period with SSE swell.
- Afternoon surf: Afternoon surf (02 Sep, local time) - 4ft (1.2m), 9s period with SSE swell.
- Evening surf: Evening surf (02 Sep, local time) - 4ft (1.2m), 9s period with SSE swell.
The current surf forecast for Niyodo Rivermouth at 8AM is: 1.2m 9s primary swell from a South-southeast direction and 0.7m 11s secondary swell from a East direction, 0.3m 6s secondary swell from a East direction (forecast issued at 02:00am September 02). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Sep) | 4ft (1.2m) | 9s |
| Afternoon (02 Sep) | 4ft (1.2m) | 9s |
| Evening (02 Sep) | 4ft (1.2m) | 9s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 155mm), heaviest during Thu night. Warm (max 30°C on Wed morning, min 22°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 2 | Thursday 3 | Friday 4 | ||||||||||||||||||||||
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) | S 8 | S 8 | SSE 8 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | ESE 9 | ESE 8 | ESE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 157 | 161 | 180 | 243 | 248 | 243 | 202 | 208 | 151 | 147 | 122 | 125 | 294 | 370 | 424 | 544 | 610 | 586 | 551 | 451 | 442 | 528 | 424 | 635 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | glassy | on | on | cross-on | cross-on | glassy | glassy | glassy | cross-off | glassy | off | off | cross-off | glassy | glassy | glassy | glassy | cross-off | glassy | glassy | cross-off |
High Tide | 8:53AM1.62m | 8:36PM1.75m | 9:49AM1.48m | 9:09PM1.67m | 11:15AM1.35m | |||||||||||||||||||
Low Tide | 2:34AM0.36m | 2:35PM0.72m | 3:19AM0.39m | 3:09PM0.91m | 4:17AM0.45m | 3:53PM1.10m | ||||||||||||||||||
 |  |  | | | |  |  |  | |  | | |  | |  |  | | | | |  | | | |
 | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:28 | — |
mm | — | — | — | — | — | — | — | — | 1 | 3 | 4 | 2 | 4 | 18 | 34 | 40 | 3 | 2 | 2 | 13 | 15 | 7 | 4 | 1 |
Temp °C | 26 | 25 | 25 | 28 | 30 | 29 | 28 | 27 | 26 | 26 | 25 | 25 | 24 | 23 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 |
Feels °C | 31 | 28 | 28 | 32 | 33 | 32 | 32 | 32 | 31 | 31 | 29 | 29 | 28 | 26 | 24 | 26 | 28 | 28 | 28 | 27 | 26 | 27 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | SSE 8 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | ESE 9 | S 9 | SSW 9 |
| kJ | 157 | 161 | 180 | 243 | 248 | 243 | 202 | 208 | 151 | 147 | 122 | 125 | 294 | 370 | 424 | 544 | 610 | 586 | 551 | 451 | 442 | 528 | 173 | 121 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 6 | E 7 | E 10 | S 9 | SSE 9 | — |
| kJ | 139 | 134 | 125 | 119 | 157 | 121 | 112 | 112 | 110 | 80 | 71 | 73 | 74 | 75 | 52 | 51 | 48 | 30 | 79 | 107 | 17 | 173 | 82 | — |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 10 | E 5 | S 10 | E 5 | SE 10 | SE 10 | SE 10 | SE 13 | — | E 10 | E 10 | — | E 10 | S 9 | — |
| kJ | 14 | 14 | 15 | 16 | 26 | 27 | 29 | 29 | 18 | 17 | 7 | 35 | 7 | 16 | 16 | 16 | 7 | — | 30 | 17 | — | 8 | 103 | — |
Wind waves Height (m) Direction Period (s) | — | — | E 6 | — | ENE 6 | — | — | E 5 | ENE 5 | E 5 | — | E 5 | — | N 3 | N 3 | NE 5 | ENE 5 | E 5 | E 6 | E 7 | E 7 | NE 4 | ESE 8 | ESE 8 |
| kJ | — | — | 6 | — | 6 | — | — | 2 | 5 | 4 | — | 7 | — | 4 | 7 | 22 | 28 | 37 | 116 | 126 | 127 | 9 | 424 | 635 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 82 | 82 | 55 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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