Station Name: EAST SUPERIOR -70 NM NE Marquette, MI
Station Type: Other
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet

Nearest Address:
Offshore
Copper Harbor, MI 49918
Keweenaw County

GPS Coordinates: 47.585, -86.585

Nearby Water Temperatures

Air Quality Alert issued July 14 at 10:41AM EDT by NWS Marquette MI

Effective: Tue July 14, 2026, 10:41 AM
Expires: Wed July 15, 2026, 12:00 PM

The Michigan Department of Environmental Quality has issued an Air Quality Alert for Wednesday July 15, 2026 for elevated levels of fine particulate due to wildfire smoke. Pollutants are expected to be in the Unhealthy for Sensitive Groups with the potential for Unhealthy, especially north. This is a Statewide Air Quality Alert. Plumes of smoke from Canadian wildfires are expected to move into the region this week. The plumes will reach the Upper Peninsula this evening, sinking into the northern Lower Peninsula overnight. Models are showing the smoke plumes will reach the Michigan/Indiana border Wednesday evening. It is recommended that, when possible, you avoid strenuous outdoor activities, especially those with heart disease and respiratory conditions like asthma. Watch for symptoms including wheezing,coughing, chest tightness, dizziness, or burning in the nose, throat, and eyes. You can help reduce air pollution by limiting activities, such as outdoor burning or use of residential wood burning devices. Tips for households: Keep windows closed overnight to prevent smoke from getting indoors and, if possible, run central air conditioning with MERV-13 or higher rated filters. For up-to-date air quality data for Michigan, visit the MiAir site: Michigan.gov/MiAir For fup-to-date air quality data nationally, visit EPA's Air Now site: https://www.airnow.gov For further health information, please see MDHHS' Wildfire Smoke and Your Health site at https://www.michigan.gov/mdhhs/safety-injury- prev/environmental-health/your-health-and-wildfire-smoke. Air Quality Alert Michigan Department of Environment, Great Lakes, and Energy July 14 2026

Extreme Heat Warning issued July 14 at 3:02PM EDT until July 14 at 10:00PM EDT by NWS Marquette MI

Effective: Tue July 14, 2026, 3:02 PM
Expires: Tue July 14, 2026, 10:00 PM

* WHAT...Dangerously hot conditions with heat index values between 98 to 105. * WHERE...Portions of central Upper and western Upper Michigan. * WHEN...Until 10 PM EDT /9 PM CDT/ this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors may reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.