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Niyodo Rivermouth surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 am Tuesday 03 Mar 2026 JSTForecast update in hr min s Forecast update imminent
Niyodo Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Niyodo Rivermouth sea temperature is
17.0° C
(Which is normal for this time of year)How big are the waves at Niyodo Rivermouth today?
The current surf forecast for Niyodo Rivermouth at 6AM is: 3.5m 8s primary swell from a Southeast direction (forecast issued at 02:00am March 03). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Mar) | 11ft (3.5m) | 9s |
| Afternoon (03 Mar) | 7ft (2.2m) | 9s |
| Evening (03 Mar) | 6ft (1.8m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 03 | Wednesday 04 | Thursday 05 | ||||||||||||||||||||||
| 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 7 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 194 | 635 | 1811 | 1903 | 1437 | 784 | 665 | 470 | 372 | 302 | 273 | 227 | 176 | 144 | 106 | 84 | 77 | 58 | 61 | 44 | 44 | 45 | 44 | 30 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | on | on | glass | glass |
High Tide / height (m) | 6:21AM 1.83 | 5:58PM 1.90 | 6:45AM 1.85 | 6:36PM 1.91 | 7:07AM 1.84 | 7:12PM 1.87 | ||||||||||||||||||
Low Tide / height (m) | 11:52PM 0.11 | 12:06PM 0.62 | 12:24AM 0.15 | 12:37PM 0.50 | 12:54AM 0.24 | 1:07PM 0.42 | ||||||||||||||||||
Tuesday 03 | Wednesday 04 | Thursday 05 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:28 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:02 | - | - | - | - | - | - | - | 6:04 | - |
 | |  |  |  |  | |  |  | | | | | | | | | | | | | |  | | |
Rain (mm) | 5 | 2 | 7 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 15 | 16 | 16 | 15 | 15 | 12 | 10 | 9 | 7 | 7 | 8 | 11 | 13 | 10 | 7 | 5 | 4 | 3 | 7 | 12 | 12 | 10 | 8 |
| Feels °C (?) | 11 | 12 | 14 | 14 | 12 | 11 | 6 | 5 | 4 | 2 | 2 | 2 | 5 | 7 | 5 | 3 | 0 | -1 | -2 | 3 | 8 | 9 | 8 | 5 |
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