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Surf Forecasts:
Niyodo Rivermouth surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 pm Sunday 05 Apr 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
18.4° 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 2AM is: 0.9m 9s primary swell from a East-southeast direction and 1.0m 7s secondary swell from a South-southwest direction (forecast issued at 08:00pm April 05). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Apr) | 3ft (0.9m) | 9s |
| Afternoon (06 Apr) | 3ft (0.9m) | 9s |
| Evening (06 Apr) | 3ft (0.9m) | 9s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sun 05 | Monday 06 | Tuesday 07 | Wednesday 08 | |||||||||||||||||||||
| 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 | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 9 | 9 | 8 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 185 | 172 | 124 | 121 | 154 | 116 | 116 | 116 | 116 | 111 | 90 | 90 | 90 | 90 | 88 | 90 | 107 | 87 | 47 | 42 | 27 | 45 | 41 | 27 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | glass | off | off | off | glass | on | on | glass | glass | cross- off | cross- off | off | cross- off | cross- off | off | off | off | off | off | off | glass | on | on |
High Tide / height (m) | 8:04PM 1.68 | 7:24AM 1.73 | 8:40PM 1.57 | 7:45AM 1.66 | 9:21PM 1.44 | 8:08AM 1.59 | ||||||||||||||||||
Low Tide / height (m) | 1:39AM 0.81 | 2:04PM 0.30 | 2:02AM 0.92 | 2:38PM 0.39 | 2:25AM 1.02 | |||||||||||||||||||
Sun 05 | Monday 06 | Tuesday 07 | Wednesday 08 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:45 | - | - | - |
| Sunset | 6:27 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:29 | - | - | - | - | - | - | - |
 |  | | |  | | |  | |  | |  |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 1 | 4 | 1 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 17 | 16 | 15 | 14 | 17 | 18 | 19 | 18 | 16 | 16 | 14 | 13 | 14 | 15 | 17 | 13 | 9 | 7 | 6 | 6 | 12 | 14 | 14 |
| Feels °C (?) | 18 | 17 | 16 | 14 | 13 | 17 | 17 | 18 | 18 | 15 | 14 | 13 | 12 | 14 | 12 | 12 | 6 | 3 | 2 | 1 | 1 | 9 | 10 | 11 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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