Region

Lake Erie / Lake St Clair Sea Surface Temperature & Chlorophyll Charts

Satellite SST, chlorophyll and depth structure for Lake Erie / Lake St Clair. Find the temperature break and color edge before you burn the fuel.

Lake Erie / Lake St Clair bathymetry and named fishing spots base map

Live SST & chlorophyll for Lake Erie / Lake St Clair

This preview shows depth and structure only. Unlock the live satellite water temperature and color layers, updated throughout the day.

Nearby buoys

Walnut Creek Buoy
67°F
air 63°F · wind 10 kt · seas 1 ft
2026-09-29 13:00 UTC · NOAA NDBC 4403585
Buffalo Buoy
61°F
air 55°F · wind 15 kt
2026-10-19 13:30 UTC · NOAA NDBC 4403586
Port Stanley
63°F
air 61°F · wind 10 kt · seas 2 ft
2026-10-19 16:00 UTC · NOAA NDBC 45132
West Lake Ontario
59°F
air 59°F · wind 6 kt · seas 0 ft
2026-10-19 16:00 UTC · NOAA NDBC 45139
Port Colborne
61°F
air 59°F · wind 14 kt · seas 2 ft
2026-10-19 16:00 UTC · NOAA NDBC 45142
Lake St Clair
56°F
air 56°F · wind 6 kt · seas 1 ft
2026-10-19 16:00 UTC · NOAA NDBC 45147

Latest NOAA NDBC observations. Satellite and in water readings may differ.

Fishing Lake Erie / Lake St Clair

Lake Erie and Lake St Clair are the warm, shallow end of the Great Lakes, and they fish like it. Erie is by far the shallowest of the big lakes, especially in its western basin, so it warms fast, grows a huge amount of life, and is famous as one of the great walleye and yellow perch fisheries in the country. This is freshwater, so there is no shelf break, no canyon and no saltwater. The story here is temperature, wind and water clarity across a shallow, productive lake, and the chart is built to show it.

Because Erie is so shallow, especially in the western basin, temperature and water color change quickly and matter a lot. The lake warms early and the whole water column can mix, so the thermocline is more of a factor in the deeper central and eastern basins than in the shallow west. Wind has an outsized effect on a shallow lake. A good blow can stack water up on one end, drive upwelling, stir up sediment and change the clarity and temperature fast. Reading the surface temperature and the chlorophyll and clarity picture helps you find the cleaner water and the temperature edges where the fish and bait set up. Lake St Clair, shallow and warm, is a productive flat that connects the upper lakes down to Erie and holds its own strong fishery.

Structure on Erie is about reefs, the shallow western basin rock and the gradual change into the deeper eastern basin, rather than any dramatic drop. Reading where the right temperature and the cleaner water sit over those features is the plan. Note that Erie and St Clair do not carry the ocean bathymetry depth readout that the saltwater coastal regions have, so use your own lake charts and electronics for depth.

Seasonally, anglers here typically target walleye, which are the headline fish of both Erie and St Clair, along with yellow perch, smallmouth bass, which St Clair is famous for, and steelhead in the deeper eastern basin and the tributaries in the cooler months. The walleye move across the lake through the season following the temperature and the bait. None of it is guaranteed. Seasons, runs and regulations change every year, so always check current rules.

The habit that pays here is to read the surface temperature and the water clarity, account for what the wind has done to a shallow lake, and plan around the cleaner water and the temperature edges where the fish are holding.

What you get with ReelTemps

From the water

★★★★★
I've tried every temp map out there and they all feel like they were built ten years ago. I'm not exactly a tech guy, but this one actually makes sense the second you open it. First time using it, I marked a break in about 30 seconds the night before and boated bluefin right on it the next morning.
CR
Captain RobCharter captain · San Francisco, CA
★★★★★
Used to burn half a tank driving around looking for color change or a solid temp break. Now I check ReelTemps before I leave the dock and I know exactly where I'm going. Less time driving around guessing, more time with lines in the water.
PE
PeteHalf Moon Bay, CA
★★★★★
Albacore season used to mean a couple hours of homework the night before and just hoping it held up. Now I do most of my research that morning and pull it up on my phone if things change once we're out there. Makes calling an audible a lot easier.
KE
KevinBodega Bay, CA

Lake Erie / Lake St Clair FAQ

Why does Lake Erie warm up and fish so differently?
Erie is by far the shallowest of the big lakes, especially the western basin, so it warms fast and grows a huge amount of life. That makes it one of the great walleye and perch fisheries, and it means temperature and water clarity change quickly and matter a lot.
How does wind affect such a shallow lake?
Wind has an outsized effect here. A good blow can stack water on one end, drive upwelling, stir up sediment and change clarity and temperature fast. Reading the temperature and the clarity after a blow helps you find the cleaner water and the edges where fish set up.
What do anglers typically target on Erie and St Clair?
Walleye are the headline on both, with yellow perch, smallmouth bass, which St Clair is famous for, and steelhead in the deeper eastern basin and tributaries in cooler months. The walleye move with the temperature and bait. Seasons and regulations change, so check current rules.
Is there a depth readout for Erie and St Clair?
No. The Great Lakes do not carry the ocean bathymetry depth readout that the saltwater coastal regions have. Use your own lake charts and electronics for depth, and use the temperature and chlorophyll layers to find the right water.

Nearby regions

Not for navigation. ReelTemps is a fishing intelligence tool, not a nautical chart. Sea surface temperature data courtesy of NOAA CoastWatch and NASA PO.DAAC. Buoy observations from NOAA NDBC.