Temperatures at lake bottom are a completely different thing, to say nothing of temperatures at varying depths throughout the water column. One of the most fascinating facts about the Great lakes is that it forms a border between America and Canada. Data are queried from the NCRFC database late morning each day. If you are looking for a truly grand experience, look no further than the majestic Great Lakes. According to a map from NASA and NOAA reports from over the weekend of July 10-12, water temperatures for beachgoers in the shallower coastal areas of lakes … The hot air coupled with the cooling water makes for excellent swimming opportunities, great fishing as some of the lake’s sport fish climb up to the warmer waters, and the weather is perfect for simply enjoying the sun and perhaps getting a good tan. Clicking on the hyperlinked "Recent Temperatures" will display station information for the location. Thus, arriving at an average temperature, month-by-month, for all of the water in each Great Lake, throughout all depths, is a complex process. Great Lakes Surface Water Temperatures. Click on the image for a larger version. Great Lakes temperature data is from NOAA’s Great Lakes Environmental Research Laboratory. Environment and Climate Change Canada reports that the average surface temperature of the largest of the Great Lakes was 13.6 C in July, or 2.2 degrees warmer than the average … Scientists link planet's warming to changing weather patterns in Great Lakes series from ABC7 Chicago, National Geographic ... the average global temperature on Earth has increased by a … Climate Central calculated the average annual surface water temperature for each lake … Lake Michigan Temperatures During Summer. A comparison between Lake Superior's average water temperature this year so far and the longer-term average. Water temperature data is important in hydrologic forecasting for monitoring formation of ice on rivers and lakes in our regions. Great Lakes Water Temperatures. The waterspout season on the Great Lakes … Summer is when the water seems most attractive. Water Temperature Table of the Great Lakes. This reporting system is a cooperative project between the NOAA CoastWatch Great Lakes Regional Node located at the NOAA Great Lakes Environmental Research Laboratory in Ann Arbor and the Great Lakes Sea Grant Network. This makes it one of the largest bodies of fresh water and an invaluable natural resource. These water temperatures over the lakes are some 6 to 11 degrees warmer than normal. The average air temperature and Lake Erie water temperature at Buffalo, New York, defines the various lake-effect seasons. IMPORTANT NOTICES: The table below shows the near real-time and average water temperatures in degrees Fahrenheit (°F). Here is how warm each of the lakes has become over the past week: Lake Michigan's average water temperature reached 75.1 degrees on July 8, nearly 11 degrees above normal, and the warmest mark on record so early in the year. Water temperatures in the Great Lakes are running 6 to 11 degrees above average right now, setting records for mid-July on lakes Michigan, Huron, Erie and Ontario. Credit: GLERL. Water Temperature data is collected daily from sources such as USGS and the US Army Corp of Engineers. Created & maintained by Michigan Sea Grant and the MSU Remote Sensing & GIS Research and Outreach Services.