{"id":9170,"date":"2024-04-18T18:11:32","date_gmt":"2024-04-18T23:11:32","guid":{"rendered":"https:\/\/uwm.edu\/freshwater\/great-lakes-observing-system\/monitoring-assets-locations\/atwater-20-meter-buoy\/"},"modified":"2026-03-30T10:58:55","modified_gmt":"2026-03-30T15:58:55","slug":"atwater-20-meter-buoy","status":"publish","type":"page","link":"https:\/\/uwm.edu\/freshwater\/research\/great-lakes-observing-system\/monitoring-assets-locations\/atwater-20-meter-buoy\/","title":{"rendered":"Atwater 20-meter Buoy"},"content":{"rendered":"\n<div class=\"uwm-l-row\">\n<div class=\"uwm-l-col\">\n<figure class=\"alignleft uwm-c-img--left\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/uwm.edu\/freshwater\/wp-content\/uploads\/sites\/595\/2024\/04\/glos_overlay_Milwaukee-ATW20_400x400-1-300x300.jpg\" alt=\"Atwater 20m Station underwater.\" class=\"wp-image-9228\" srcset=\"https:\/\/uwm.edu\/freshwater\/wp-content\/uploads\/sites\/595\/2024\/04\/glos_overlay_Milwaukee-ATW20_400x400-1-300x300.jpg 300w, https:\/\/uwm.edu\/freshwater\/wp-content\/uploads\/sites\/595\/2024\/04\/glos_overlay_Milwaukee-ATW20_400x400-1-150x150.jpg 150w, https:\/\/uwm.edu\/freshwater\/wp-content\/uploads\/sites\/595\/2024\/04\/glos_overlay_Milwaukee-ATW20_400x400-1.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n\n<p><strong>Latitude:&nbsp;<\/strong>43.1 (43\u00b06\u20190\u2033 N)<br><strong>Longitude:&nbsp;<\/strong>-87.85 (87\u00b051\u20190\u2033 W<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/uwm.edu\/freshwater\/research\/great-lakes-observing-system\/buoy-cams\/\">View Buoy Cams<\/a><\/strong><\/p>\n\n\n\n<p>The Atwater 20-meter buoy (ATW20) is located approximately 2 km offshore of Milwaukee\u2019s Atwater Beach in Lake Michigan. A two-point mooring system secures the buoy over sand and rock substrate in 20 meters (65.6 feet) of water. The solar powered CB-1500 coastal data buoy is equipped with a weather station, a wave sensor, water quality sensors that collect data every 30 min, a vertical string of water temperature sensors, a downward-looking acoustic doppler current profiler (ADCP), and a surface camera which collects snapshot images every 10 minutes.<\/p>\n\n\n\n<p>Meteorological data collected include wind speed and direction, air temperature, relative humidity, pressure, and solar irradiance. Hydrological data include surface temperature, conductivity, pH, dissolved oxygen, turbidity, chlorophyll, water temperature at 1m intervals down to 20m, easterly and northerly current speed\/direction at 2m intervals down to 20m, and wave speed, direction, and height.<strong>&nbsp;<\/strong>This buoy has also been used as a platform to deploy dissolved oxygen monitoring probes provided by the EPA Great Lakes National Program Office.<\/p>\n\n\n\n<hr class=\"has-alpha-channel-opacity uwm-c-hr--thick\" \/>\n\n\n\n<p><a href=\"https:\/\/www.ndbc.noaa.gov\/\"><strong>45013 Recent Observations \u2013 NDBC<\/strong><\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.ndbc.noaa.gov\/station_page.php?station=45013\"><strong>Station 45013 \u2013 ATW20 \u2013 Atwater Park, WI<\/strong><\/a><\/p>\n\n\n\n<p>April 18, 2024 11:30 am CDT Location: 43.1N 87.85W Wind Direction: SSE (160\u00b0) Wind Speed: 3.9 knots Wind Gust: 3.9 knots Significant Wave Height: 0.7 ft Mean Wave Direction: NW (312\u00b0) Atmospheric Pressure: 30.09 in (1019.1 mb) Air Temperature: 45.0\u00b0F (7.2\u00b0C) Water Temperature: 43.3\u00b0F (6.3\u00b0C)<\/p>\n<\/div>\n\n\n\n<div class=\"uwm-l-col uwm-l-col--4 uwm-l-offset--1\"><nav aria-label=\"Sidebar\" class=\"uwm-p-navigation-list uwm-p-navigation-list--gold-border \"><div class=\"uwm-p-navigation-list--title\"><a href=\"https:\/\/uwm.edu\/freshwater\/research\/\">Research<\/a><\/div><ul><li><a href=\"https:\/\/uwm.edu\/freshwater\/research\/research-areas\/\">Freshwater Research<\/a><\/li><li><a href=\"https:\/\/uwm.edu\/freshwater\/research\/great-lakes-observing-system\/\">Great Lakes Observing System<\/a><ul><li><a href=\"https:\/\/uwm.edu\/freshwater\/research\/great-lakes-observing-system\/monitoring-assets-locations\/\">Monitoring Assets &amp; Locations<\/a><ul><li><a class=\"current\" href=\"https:\/\/uwm.edu\/freshwater\/research\/great-lakes-observing-system\/monitoring-assets-locations\/atwater-20-meter-buoy\/\"><span aria-current=\"page\">Atwater 20-meter Buoy<\/span><\/a><\/li><li><a href=\"https:\/\/uwm.edu\/freshwater\/research\/great-lakes-observing-system\/monitoring-assets-locations\/green-bay-buoy\/\">Green Bay Buoy<\/a><\/li><li><a href=\"https:\/\/uwm.edu\/freshwater\/research\/great-lakes-observing-system\/monitoring-assets-locations\/sleeping-bear-buoy\/\">Sleeping Bear Buoy<\/a><\/li><li><a href=\"https:\/\/uwm.edu\/freshwater\/research\/great-lakes-observing-system\/monitoring-assets-locations\/lake-express\/\">Lake Express Ferry System<\/a><\/li><li><a href=\"https:\/\/uwm.edu\/freshwater\/research\/great-lakes-observing-system\/monitoring-assets-locations\/klode-park\/\">Klode Park<\/a><\/li><li><a href=\"https:\/\/uwm.edu\/freshwater\/research\/great-lakes-observing-system\/monitoring-assets-locations\/apostle-islands\/\">Apostle Islands<\/a><\/li><\/ul><\/li><li><a href=\"https:\/\/uwm.edu\/freshwater\/research\/great-lakes-observing-system\/buoy-cams\/\">Buoy Cams<\/a><\/li><li><a href=\"https:\/\/uwm.edu\/freshwater\/research\/great-lakes-observing-system\/great-lakes-historical-monitoring-data\/\">Great Lakes Historical Monitoring Data<\/a><\/li><li><a href=\"https:\/\/uwm.edu\/freshwater\/research\/great-lakes-observing-system\/buoy-lab-cohorts\/\">Buoy Lab Cohorts<\/a><\/li><li><a href=\"https:\/\/uwm.edu\/freshwater\/research\/great-lakes-observing-system\/collaborative-buoys\/\">Collaborative Buoys<\/a><\/li><li><a href=\"https:\/\/uwm.edu\/freshwater\/research\/great-lakes-observing-system\/gallery\/\">Gallery<\/a><\/li><\/ul><\/li><li><a href=\"https:\/\/uwm.edu\/freshwater\/research\/centers\/\">Research Centers<\/a><\/li><li><a href=\"https:\/\/uwm.edu\/freshwater\/research\/fleet-and-facilities\/\">Fleet and Facilities<\/a><\/li><\/ul><\/nav><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":25377,"featured_media":0,"parent":9151,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":"","uwm_wg_additional_authors":[19309]},"class_list":["post-9170","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - 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