Owned and maintained by National Data Buoy Center Contacts Anemometer height: 3.6 m above site elevation The boiling temperature of water is 212 °F, or 100 °C. 47.335 N 89.793 W (47°20'5" N 89°47'34" W) NWS Dissemination Methods 1, 2. Sea temp depth: 1.3 m below water line Please read our DISCLAIMER. About This seems to be the case for Lake Superior and Lake Huron. Lake Superior Port Images [Superior/Duluth] [Grand Marais, Minnesota] [Isle Royale] [Keweenaw Peninsula] [Keweenaw Bay] [Grand Marais, Michigan] [Whitefish Bay] Select a label to view region or port map. Winds are out of the WSW at 13 mph with gusts of 26 mph. This indicator analyzes water levels and surface water temperatures in the Great Lakes. Even if you wear a thick winter wetsuit, a neoprene hood, neoprene gloves and boots, it will still be difficult to stay in the sea for very long today. The Lake Superior Operational Forecast System (LSOFS) is a NOAA project aimed at providing improved predictions of water levels, currents and water temperatures in Lake Superior to the user communities. NOAA/GLERL Great … Water temperatures in many of the Great Lakes have reached the 80 … Air temp height: 3.3 m above site elevation Throughout the year, the water temperature in Lake Superior does not rise above 20°C/68°F and therefore is not suitable for comfortable swimming. National Weather Service Nearshore Marine Forecasts. The map below shows the near real-time water temperatures in degrees Fahrenheit (°F). Marine Forecasts The weekly status report and the weekly maintenance report Offshore Forecasts Lake Huron has some surface water temperatures as cold as 40 degrees. Publications Click for Lake Superior [Full Lake View] Click to move to the next image to the [North] [South] [West] Most questions can be answered by your Sea Grant Agent or on our CoastWatch Help Pages. Choose the map background and forecast element and zoom in to your area of interest. Today's forecast is: Partly cloudy throughout the day., with a high around 34°F and a low around 29°F. Armstrong, ON Ashland, WI Atikokan, ON Bemidji, MN Chapleau, ON Cloquet, MN Cook, MN Copper Harbor, MI Lake Superior, the deepest lake with by far the highest volume of water, is not as warm as the other Great Lakes, but still is running over 6 degrees above average. Water temperatures are finally warm enough for a refreshing swim in Lake Superior. Linked data may not represent the latest forecast. When Michigan has a sustained north wind or northeast wind, we will get the cooler air funneling off Lakes Superior … These forecasts are also available via e-mail, NOTICE - Check time and date of forecasts. Water temperature in Duluth today is 4.1°C/39.4°F. Yes, it's true, Lake Superior can be really cold. GLSEA Statistics, average surface water temps. Water temperatures on Lake Superior typically bottom out in March and peak in early September. Information from NOAA-GLERL. Global Maritime Distress and Safety System, Items of Interest Click on a station marker for the near real-time and monthly mean temperature of the station. In the summer, however, the temperature can reach eighty degrees, making it possible to swim in the lake for those who like a rather bracing swim in fresh water! Where T °C = temperature in Celsius and T° F = temperature in Fahrenheit. Foundation, Saved by the Beacon - Safe Boating Council, Search and Rescue Satellite Aided Tracking, (All Zones - Includes Synopsis and MAFOR), Global Maritime Distress and Safety System, National Oceanic and Atmospheric Administration. Add to shortcuts. On warm, calm, sunny summer days, however, water temperatures in the Apostle Islands' protected shallow bays can climb into the 70s. Clicking on the hyperlinked "Recent Temperatures" will display station information for the location. Recent Updates. Water temperature (4 °C) at Apostle Islands is close to freezing. Water levels are recorded by gauges along the shore of each lake, some of which have been operated since the 1800s. The effect is strongest when the wind blows off the water, and is most pronounced on the lake shore and on slopes that face the lake. Marine Weather for Canada The icy spring chill lingers well into early summer. Links Until the wind shifts. Coastal/Great Lakes Forecasts The average annual water temperature of the lake is about 40 degrees Fahrenheit. (Complete List of Average Temperatures) Use the near real-time water temperature data with discretion, because they may contain errors. Please use with discretion. NOAA - Great Lakes Environmental Research Laboratory Use the near real-time water temperature data with discretion, because they may contain errors. Amateur Radio Great Lakes Water Level Data. Experimental Modernized Open Lake Forecast for Lake Superior. Data for last 45 days:These real time data have undergone gross error checking only. WEATHER UNDERGROUND Lakes Michigan, Lake Huron, Lake Erie, and Lake St. Clair Lake Ontario Lake Superior These sites contain near-shore and off-shore marine weather - current conditions and forecasts. NOTICE - Check time and date of forecasts. Lake Superior’s average water temperature reached 55.8 degrees on July 8, over 6 degrees above normal. Lake Superior's surface water temperature in summer has warmed twice as much as the air above it since 1980. Water temperatures on … 00010 Temperature, water [Water Temp at 6m above bottom] 2017-11-25 : 2020-11-24: 00010 Temperature, water [Water Temp at 5m above bottom] 2017-11-25 Water temperature in Duluth is expected to drop to 3.2°C/37.8°F in the next 10 days. Air Temperature: 35.1 °F; Surface Water Temperature: 37.0 °F; Wind: 0 mph out of the S (gusting to 1 mph) Wave Height: 0.0 ft; Last Updated: November 18, 2020 10:20am CDT Great Lakes CoastWatch is a nationwide National Oceanic and Atmospheric Administration (NOAA) program within which the Great Lakes Environmental Research Laboratory (GLERL) functions as the Great Lakes regional node. The average water temperature in Lake Superior in winter reaches 3°C/37.4°F, in spring 2°C/35.6°F, in summer the average temperature rises to 10°C/50°F, and in autumn it is 10°C/50°F. Similar systems are operational in the other 4 Great Lakes as well. National Oceanic and Atmospheric Administration Duluth gets an average of 52 days of … Regional Temperatures from Around the Lake. Despite the weak sunshine, the air will feel like -6 °C. Experimental Modernized Open Lake Forecast for Lake Superior. SCOOP payload Graphical Marine Forecasts are available here. All NOAA, Marine, Tropical and Tsunami Services Branch, Open Lake Forecast for Lake Superior    (All Zones - Includes Synopsis and MAFOR), Experimental Modernized Open Lake Forecast for Lake Superior, Great Lakes Marine Weather Portal - Includes point forecasts. Based on our historical data over a period of ten years, the warmest water in this day in Duluth was recorded in 2016 and was 6.1°C/43°F, and the coldest was recorded in 2019 at 3.1°C/37.6°F. Throughout the year, the water temperature of lake superior averages at 40 degrees Farenheit. Water depth: 194.5 m Most questions can be answered by your Sea Grant Agent or on our CoastWatch Help Pages. Lake Superior's current water temperature is 43°F. 2.3-meter foam discus buoy Pre-1918 data came from one water level gauge per lake. Great Lakes Open Lake forecasts are subdivided by zone, each identified by text description and a Universal Generic Code (UGC). USCG Broadcasts In winter it can dip below minus thirty degrees, making it too cold to swim in but beautiful to observe. The previous high for daily average surface water temperature was set on August 14, 1998, at 67.5°F (19.7C). Data since 1918 have come from a designated set of gauges in each lake. Per decade since 1980, surface water temperature in summer has increased about 2 °F (1 °C), while regional air temperature has increased 1 °F (0.5 °C). Temperature prediction accuracy is expected to range between 1 to 3 degrees Fahrenheit. Watch circle radius: 172 yards, Meteorological Observations from Nearby Stations and Ships. also provide valuable station information. Weather Charts Some data files have been compressed with the GNU gzip program. Marine, Tropical and Tsunami Services Branch1325 East-West Hwy, 13th floorCommunications OfficeSilver Spring, MD 20910Comments? The Internet is not part of the National Weather Service's operational data stream and should never be relied upon as a means to obtain the latest forecast and warning data. Site elevation: 183 m above mean sea level Great Lakes Open Lake forecasts are subdivided by zone, each identified by text description and a Universal Generic Code (UGC). Radiofax Hardware, Dissemination National Oceanic and Atmospheric Administration, Real time raw spectral wave (alpha1) data, Real time raw spectral wave (alpha2) data. Non-linked temperatures in the monthly columns are average water temperatures. Please refer to the NDBC data inventory Note that the payload types and the station locations occasionally change. While the temperature of the surface of Lake Superior varies seasonally, the temperature below 110 fathoms (660 ft; 200 m) is an almost constant 39 °F (4 °C). Foundation, Weather For Boaters - BoatU.S. The Internet is not part of the National Weather Service's operational data stream and should never be relied upon as a means to obtain the latest forecast and warning data. Questions? With an average annual water temperature of 45°F (7°C), Lake Superior moderates the climate, making winters warmer and summers cooler. Owned and maintained by National Data Buoy Center 2.3-meter foam discus buoy SCOOP payload 47.335 N 89.793 W (47°20'5" N 89°47'34" W) Site elevation: 183 m above mean sea level Air temp height: 3.3 m above site elevation Anemometer height: 3.6 m above site elevation Barometer elevation: 185.3 m above mean sea level Sea temp depth: 1.3 m below water line Water depth: 194.5 m This is a degree above the long-term average surface water temperature high of 16 °C; it also took place a couple of weeks earlier than the long-term average high, which occurs in early September. Lake Superior water temperatures Current sea tmp: 7.4°C / 45.4°F Based on readings from Sault Sainte Marie Feedback For all sorts of lake-relatved recreation such as swimming boating,and fishing, this site provides mathematically generated instantaneous and 5-day predictions of lake surface water temperatures. Latest News Great Lakes Marine Weather Portal - Includes point forecasts. High Seas Forecasts, Radiofax Charts Surf Conditions Current wave heights are from measurements taken by a pressure sensor attached to the beach side of the Duluth Inlet, by the Lift Bridge (GPS coordinates 46.77980, -92.0875 ). Between late spring and late fall, the shore can be shrouded in fog when inland areas bask in sunshine. for the data history of each station. Visit the Marquette, MI Forecast Office which provides links to additional products as well as regionally focused information such as point-specific marine forecasts, predicted tides and buoy observations. Go to the desired page on the site, open the Weather shortcuts menu and click on the "Add to shortcuts" button; Page name will display in the "Add this page" window, the name can be changed by highlighting the text and entering the desired name. Please Contact Us. [ citation needed ] This variation in temperature makes the lake seasonally stratigraphic . Become familiar with and use other means such as, Marine Text Forecasts by Zone - Text Interface, Marine Text Forecast and Products - Complete Listing, Text Product File Server Data Files - File Structure Description for FTP, WeatherFax - The Best Budget Weather Solution for Sailors, Buoy, C-MAN, Ship, Drifters, Gliders, HF Radar, PORTS, Physical Oceanographic Real-Time System, Experimental Marine Graphical Composite Forecast maps - Tropical North Atlantic, Experimental Marine Graphical Composite Forecast maps - Eastern North Pacific, Get Marine Text and Graphic Products via Email, Marine Communications - BoatU.S. For more Lake Superior and Great Lakes temperature data, see www.coastwatch.msu.edu. Lake Michigan, Lake Erie and Lake Ontario, however, have already started cooling off. Safety Radiofax Charts US Dept of Commerce Please send comments or bug reports to cwatch@msu.edu. Water Temperature Map of the Great Lakes (Table-based Web page) Marine Weather for Canada. Lake Superior hit a 31-year high mark in the daily average temperature of its surface waters on August 11 when the average for that day on several monitoring buoys on the open lake tallied 68.7°F (20.4°C). Great Lakes Marine Weather Portal - Includes point forecasts. The different colors used in the map above have no meaning and are only intended to assist in differentiating the zones. These warm-season fogs occur when moisture in the warm air condenses as it flows over the cold lake. Great Lakes Water Level Data. Become familiar with and use other means such as NOAA Weather Radio to obtain the latest forecasts and warnings. For example, the freezing temperature of water is 32 °F; this translates to 0 °C. Barometer elevation: 185.3 m above mean sea level 10° C translates to 50 °F 20° C translates to 68 °F (just about perfect for most Duluthians) 30° C translates to 86 °F Links which are specific to this station are listed below: Data for last 24 hours: No data available. 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