Ftt Lake Water Temperature
Ftt Lake in Indian River County, Florida typically sits around 83°F at the surface in September — warmest in Aug (~86°F) and coldest in Jan (~59°F). That is a typical value for the month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 130 field readings (2010–2022) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Ftt Lake warm enough to swim?
Very comfortable for swimming. Warm surface water can also favor blue-green algae in nutrient-rich lakes, so check for advisories before you go in.
Want more than temperature? Ftt Lake water quality: clarity, algae, phosphorus, depth, fish species, and current advisories, all on one page.
Water temperatures at nearby Florida lakes
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Where to stay near Ftt Lake
Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Ftt Lake — live availability and prices. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Frequently asked questions
What is the water temperature of Ftt Lake?
Ftt Lake typically sits around 83°F at the surface in September, from 130 EPA Water Quality Portal field readings (2010–2022). That is a typical value for the month, not a live reading.
When is Ftt Lake warmest?
Surface water at Ftt Lake is typically warmest in August, reaching about 86°F. Lake surface temperature lags air temperature by several weeks, so the warmest water usually arrives in mid-to-late summer even though the hottest air can come earlier.
Is Ftt Lake warm enough to swim?
At its typical summer peak of about 85°F, Ftt Lake rates as "warm" for swimming. Very comfortable for swimming. Warm surface water can also favor blue-green algae in nutrient-rich lakes, so check for advisories before you go in.
Where does this Ftt Lake water temperature data come from?
Every temperature on this page is a typical (climatological) value computed from real surface-water field readings collected by state and federal agencies and published through the EPA Water Quality Portal — 130 readings from 2 monitoring stations between 2010 and 2022. They describe what is typical for each month, not the temperature right now.
About this data
Water temperatures are a climatology — the typical value for each month, averaged from real surface-water field readings collected by state and federal agencies and published through the EPA Water Quality Portal. They tell you what to expect, not the temperature at this moment. Actual conditions vary with recent weather, depth, and time of day.