Best water temperature for fishing, by species

Short answer: every species has its own temperature clock. Walleye spawn first, at about 42–50°F; crappie at about 58–68°F; smallmouth from about 60°F; largemouth at about 59–75°F; and channel catfish wait for 70–75°F. Trout and reservoir stripers are cold-water fish that get stressed as summer water climbs past the upper 60s and 70s. All the numbers below come from state or federal fish agencies, linked next to each one.

The chart: what fish agencies say

Largemouth bass have their own guide: bass fishing water temperature chart. Agencies’ ranges differ by region, which is why we list more than one.

Species notes

• Crappie: Crappie move shallow in spring to spawn and roam deeper water in summer and fall. In summer they often hold near the thermocline, where the water is cooler but still has oxygen (Wisconsin DNR).
• Walleye: Walleye spawn over rock and gravel in rivers or windswept shallows 1–6 feet deep (Minnesota DNR), so early spring tailwaters and rocky points are classic spots.
• Smallmouth bass: Smallmouth like cooler, clear water: in South Carolina they live in the cooler foothill reservoirs such as Jocassee and Keowee (SCDNR). After spawning they move back to deeper water (Michigan DNR).
• Channel catfish: Channel catfish feed mostly at night and hold in deep water during the day (Ohio DNR), so summer nights are prime time.
• Striped bass (reservoirs): In summer, stratified reservoirs squeeze stripers between warm surface water and oxygen-poor deep water, the “temperature-oxygen squeeze” SCDNR blames for Lake Murray die-offs. Fish where cool, oxygenated water remains, and go easy on catch-and-release in late summer.
• Trout: Trout are a cold-water fish. Wyoming Game & Fish advises fishing early in the morning and carrying a pocket thermometer in summer.

How lake levels move fish

Temperature tells you when; the lake level helps tell you where. Kentucky’s fisheries biologists put it simply: see what the water has been doing, whether it is rising, stable or falling, because “that’s going to determine where the fish are positioned” (Kentucky Dept. of Fish & Wildlife).

• Rising water floods new habitat and draws baitfish shallow, and predators follow.
• Falling water pushes fish toward deeper water. Damp rings on tree trunks are a sign the lake is dropping fast. Mobile species such as crappie, hybrids, white bass and walleye are on the move, and dirty water makes sight-feeding harder.
• Steep banks hold fish better than flats when the water is falling (Kentucky Dept. of Fish & Wildlife).

Every LakeCharts lake page shows today’s level, the 7-day trend and, where the operator publishes one, the full pool. For winter, see winter lake fishing during drawdowns; for what the pool numbers mean, see what full pool means.

Live lake water temperatures

Live data as of Nov 4, 2026. Surface water temperature from the USGS or lake operator gauge, warmest first. Spawning ranges apply to warming water in spring; in fall, the same temperatures mean fish are feeding up for winter. Surface readings run ahead of deeper water.

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