Gauge levelloading…Station reading; flow is what mainly indicates current strength.--cm
Weather
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Swim time
Tinguely → Kaserne
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Swim window
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Checks water, weather, level, flow and daylight. Not a clearance to swim.
Water hygieneGerm levels are not live
Online sensors do not measure germs.
Not live
Check on site. Stay out if there is an unusual smell, foam or colour.
Do not dive
Do not swallow water
Shower afterwards
2025 laboratory data2025: 6/11 rain days higher-risk · 18/20 fair-weather days favourable
Current environmental data · no germs
Weil monitoring station; O₂, pH and conductivity every 15 minutes, turbidity hourly; unverified raw data; not official bathing-water limits
Both modes use water-quality data from the existing Weil monitoring station.
Lab and further monitoring
Choose an hour
What the symbols mean
✓best window✓fits!caution×skip?missing
For Rhine swimming
Sun protection
Now
UV –
Plan protection as a precaution
Forecast could not be loaded right now.
Lower UV & Rhine suitable
UV forecast; cloud and shade can change exposure.
i
Guidance, not clearance
Rhyy shows you what conditions look like right now. The river still decides for itself: check the situation on site and only go in when it truly fits you.SLRG Basel Rhine swim
5-day Rhine forecast
Next Days
Air temperature (MeteoSwiss), Rhine estimate from the Rhyy model and FOEN flow forecast.
Today at Rhyy
Swim crew
Today
Going today? Quickly signal if you're in.
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are in today
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visited today
Day flow
VisitsIn
When roughly?
Anonymous and one vote per device per day.
Rhyminder – one-time temperature email
Mail once
Set your target temperature. Rhyy will send one email when things look good.