Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (27 Sep):
- Morning surf: Morning surf (27 Sep, local time) - 1.5ft (0.4m), 8s period with SSE swell.
- Afternoon surf: Afternoon surf (27 Sep, local time) - 2ft (0.6m), 8s period with SSE swell.
- Evening surf: Evening surf (27 Sep, local time) - 1.5ft (0.5m), 6s period with S swell.
The current surf forecast for Niyodo Rivermouth at 6AM is: 0.6m 5s primary swell from a South-southwest direction and 0.4m 8s secondary swell from a South-southeast direction (forecast issued at 02:00am September 27). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Sep) | 1.5ft (0.4m) | 8s |
| Afternoon (27 Sep) | 2ft (0.6m) | 8s |
| Evening (27 Sep) | 1.5ft (0.5m) | 6s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 60mm), heaviest during Sun morning. Warm (max 25°C on Mon afternoon, min 20°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 27 | Monday 28 | Tuesday 29 | ||||||||||||||||||||||
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) | SSW 5 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 6 | S 6 | E 10 | S 5 | S 7 | S 7 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 18 | 24 | 23 | 22 | 21 | 44 | 25 | 21 | 16 | 20 | 34 | 33 | 56 | 190 | 299 | 534 | 548 | 500 | 614 | 603 | 683 | 701 | 544 | 452 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | off | cross-off | cross-off | cross-off | glassy | off | off | off | off | off | off | off | glassy | glassy |
High Tide | 6:00AM1.90m | 6:11PM1.87m | 6:38AM1.91m | 6:36PM1.88m | 7:18AM1.87m | 7:02PM1.87m | ||||||||||||||||||
Low Tide | 11:51PM0.37m | 12:07PM0.36m | 00:22AM0.25m | 12:37PM0.45m | 00:55AM0.18m | 1:09PM0.57m | ||||||||||||||||||
 |  |  |  |  | |  | | | |  |  | | | | | | | | | | | | | |
 | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | 1 | — | 1 | 13 | 7 | 8 | 2 | 4 | 1 | — | — | 1 | 1 | — | — | 2 | 1 | 2 | 2 | 2 | 3 | 2 | 4 | 1 |
Temp °C | 23 | 23 | 23 | 22 | 23 | 23 | 23 | 22 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 22 | 22 | 21 | 20 | 20 | 20 | 20 | 20 | 20 |
Feels °C | 26 | 27 | 27 | 26 | 27 | 27 | 27 | 26 | 27 | 27 | 26 | 26 | 27 | 29 | 28 | 24 | 25 | 23 | 21 | 21 | 21 | 22 | 22 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 5 | SSW 5 | SSW 5 | S 5 | S 5 | SSE 8 | SSE 6 | S 6 | S 5 | S 5 | S 7 | S 7 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 |
| kJ | 18 | 22 | 23 | 20 | 21 | 44 | 25 | 16 | 15 | 20 | 34 | 33 | 56 | 190 | 299 | 534 | 548 | 500 | 614 | 603 | 683 | 701 | 544 | 452 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SW 6 | E 10 | SSE 7 | SSE 7 | E 9 | E 9 | E 9 | S 7 | SSE 7 | S 7 | SSE 6 | E 5 | SSE 6 | ENE 9 | E 9 | E 5 | E 5 | SE 9 | SSE 9 |
| kJ | 16 | 24 | 23 | 22 | 21 | 8 | 17 | 21 | 10 | 16 | 15 | 15 | 24 | 29 | 35 | 17 | 11 | 23 | 15 | 13 | 14 | 20 | 13 | 8 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 10 | SW 5 | E 10 | E 10 | SSE 9 | SSE 9 | SE 9 | SSE 6 | S 7 | SSE 6 | E 4 | SE 8 | ENE 5 | SE 9 | SE 9 | E 9 | SE 9 | SE 12 | SE 12 |
| kJ | 12 | 5 | 5 | 6 | 13 | 17 | 4 | 17 | 16 | 8 | 8 | 13 | 15 | 26 | 25 | 4 | 11 | 8 | 13 | 13 | 6 | 13 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | ENE 2 | ENE 3 | NE 4 | NE 3 | — | E 2 | E 3 | E 3 | — | — | NE 4 | — | — | ENE 3 | E 4 | ENE 5 | — | ENE 4 | ENE 4 | ENE 5 | ENE 5 | E 6 | E 6 |
| kJ | — | 1 | 1 | 1 | 3 | — | 1 | 1 | 1 | — | — | 1 | — | — | 2 | 20 | 54 | — | 6 | 11 | 28 | 28 | 30 | 54 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 0 | 0 | 61 | 0 | 0 | 61 | 0 | 55 | 233 | 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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