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WHAT: High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves.
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WHERE: Mason, Oceana, Muskegon and Ottawa counties.
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WHEN: Through Tuesday evening.
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IMPACTS: Strong currents can pull swimmers into deeper water and high waves can sweep people off piers.
* WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon and Ottawa counties. * WHEN...Through Tuesday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers.
Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures.
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WHAT: Dangerously hot conditions with daily heat index values around 105 degrees expected.
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WHERE: Central, south central, southwest, and west central Michigan.
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WHEN: Until 8 PM EDT Thursday.
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IMPACTS: Heat related illnesses increase significantly during extreme heat and high humidity events.
* WHAT...Dangerously hot conditions with daily heat index values around 105 degrees expected. * WHERE...Central, south central, southwest, and west central Michigan. * WHEN...Until 8 PM EDT Thursday. * 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. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. 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.
The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has declared an Air Quality Advisory for June 30, 2026, for elevated levels of ozone in west and southwest Michigan. Pollutants within those areas are expected to be in the Unhealthy for Sensitive Groups range. The Air Quality Alert is in effect for the following Michigan counties: Muskegon, Ottawa, Kent, Allegan, Van Buren, and Berrien. Warm temperatures, ample sunlight, and southwest winds will mix with pollutants to produce surface-level ozone in west and southwest Michigan. It is recommended that, when possible, you avoid strenuous outdoor activities, especially those with heart disease respiratory conditions like asthma. Watch for symptoms including wheezing, coughing, chest tightness, dizziness, or burning in nose, throat, or eyes. People and businesses are urged to avoid activities which can lead to ozone formation. These activities include: refueling vehicles or topping off when refueling, using gasoline powered lawn equipment, using charcoal lighter fluid. Positive activities include: driving less, telecommuting, delaying or combining errands. For up-to-date air quality data for Michigan, visit the MiAir site: Michigan.gov/MiAir For up-to-date air quality data nationally, visit EPA's Air Now site: AirNow.gov
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