Station Name: WEST SUPERIOR - 30NM NE of Outer Island, WI
Station Type: Other
Data Source: National Data Buoy Center

Elevation Above Sea Level: 587 feet

Nearest Address:
Offshore
Lake Superior, MI

GPS Coordinates: 47.335, -89.793

Nearby Water Temperatures

Heat Advisory issued June 28 at 1:37PM EDT until June 30 at 8:00PM EDT by NWS Marquette MI

Effective: Sun June 28, 2026, 1:37 PM
Expires: Mon June 29, 2026, 5:00 AM

* WHAT...Heat index values up to 103 expected. * WHERE...Baraga, Dickinson, Iron, Gogebic, Northern Houghton, Ontonagon, and Southern Houghton Counties. * WHEN...From noon EDT /11 AM CDT/ Monday to 8 PM EDT /7 PM CDT/ Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Heat index values Monday night will remain at or above 70F due to very humid conditions. This will limit relief from the heat and overnight cooling for homes and buildings that do not have air conditioning. Please make sure your have a plan to stay cool and hydrated through the period.

Drink plenty of fluids, stay in an air-conditioned room if possible, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

Heat Advisory issued June 29 at 3:13AM EDT until June 30 at 8:00PM EDT by NWS Marquette MI

Effective: Mon June 29, 2026, 3:13 AM
Expires: Mon June 29, 2026, 4:00 PM

* WHAT...Heat index values up to 103 expected. * WHERE...Baraga, Dickinson, Iron, Gogebic, Northern Houghton, Ontonagon, and Southern Houghton Counties. * WHEN...From noon EDT /11 AM CDT/ today to 8 PM EDT /7 PM CDT/ Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.