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02HA020 · ON · Drainage area 165.8 km² (HYDAT)
Near Grimsby, ON · 10-day flood forecast
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FlowAi's flood forecast for Twenty Mile Creek above Smithville, Ontario gives up to 10 days of flow, from AI-developed hydrological models driven by Environment and Climate Change Canada weather forecasts.
Latest daily reading (October 10, 2026): water level 2.89 m, flow 0.01 m³/s.
Not a substitute for official flood warnings. Gauge directory
Place names from GeoNames (geonames.org), licensed under CC BY 4.0.