Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (28 Sep):
- Afternoon surf: Afternoon surf (28 Sep, local time) - 3.5ft (1.0m), 14s period with SSW swell.
- Evening surf: Evening surf (28 Sep, local time) - 6ft (1.9m), 13s period with SSW swell.
The current surf forecast for Niyodo Rivermouth at 10PM is: 1.9m 13s primary swell from a South-southwest direction and 0.8m 6s secondary swell from a South-southeast direction (forecast issued at 02:00pm September 28). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Sep) | - | - |
| Afternoon (28 Sep) | 3.5ft (1.0m) | 14s |
| Evening (28 Sep) | 6ft (1.9m) | 13s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 27mm), heaviest during Tue morning. Warm (max 27°C on Thu morning, min 19°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Mon 28 | Tuesday 29 | Wednesday 30 | ||||||||||||||||||
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) | SW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | S 11 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | SSE 9 | SSE 8 | SSE 8 | E 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 61 | 407 | 905 | 1224 | 1534 | 1423 | 1379 | 1051 | 805 | 535 | 424 | 461 | 379 | 312 | 287 | 199 | 137 | 104 | 105 | 112 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | off | off | glassy | glassy | cross-off | off | off | off | off | glassy | off | off | glassy | cross-on | on | glassy | off |
High Tide | 6:36PM1.88m | 7:18AM1.87m | 7:02PM1.87m | 8:01AM1.78m | 7:30PM1.82m | |||||||||||||||
Low Tide | 00:55AM0.18m | 1:09PM0.57m | 1:31AM0.15m | 1:41PM0.73m | ||||||||||||||||
 | |  |  | | |  | | | | |  | |  |  | | | |  | | |
 | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | 2 | 2 | 2 | 3 | 2 | 3 | 3 | 4 | 5 | 1 | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 21 | 21 | 21 | 20 | 21 | 21 | 21 | 19 | 23 | 25 | 25 | 23 | 22 |
Feels °C | 29 | 31 | 30 | 27 | 28 | 27 | 27 | 23 | 23 | 23 | 21 | 23 | 23 | 23 | 20 | 25 | 27 | 27 | 26 | 24 |
Swell 1 Height (m) Direction Period (s) | SSE 6 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | S 11 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | SSE 9 | SSE 8 | SSE 8 | E 7 |
| kJ | 61 | 407 | 905 | 1224 | 1534 | 1423 | 1379 | 1051 | 805 | 535 | 424 | 461 | 379 | 312 | 287 | 199 | 137 | 99 | 105 | 112 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | SSE 6 | SSE 6 | SSE 6 | SE 13 | SE 13 | SE 12 | SE 6 | ENE 5 | ENE 5 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | SSE 8 |
| kJ | 58 | 54 | 52 | 54 | 7 | 6 | 6 | 32 | 25 | 14 | 7 | 58 | 79 | 94 | 74 | 57 | 44 | 43 | 61 | 84 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SSW 7 | E 9 | E 9 | SE 13 | SE 13 | E 9 | SE 12 | ESE 12 | SE 9 | SE 9 | SE 9 | SSE 9 | SSE 9 | E 10 | E 10 | E 10 | E 10 | — | — |
| kJ | 57 | 62 | 6 | 6 | 7 | 6 | 6 | 6 | 15 | 13 | 13 | 13 | 8 | 8 | 2 | 2 | 2 | 2 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | S 7 | — | — | — | SE 6 | E 4 | ENE 5 | NE 5 | ENE 4 | ENE 6 | NE 5 | E 7 | ENE 6 | ENE 6 | ENE 6 | E 6 | — | — |
| kJ | — | — | 153 | — | — | — | 58 | 11 | 44 | 24 | 12 | 80 | 12 | 200 | 143 | 115 | 98 | 104 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 29 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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