Active Weather Alerts
Special Marine Warning
Issued: 2:47 AM Jul. 21, 2026 – National Weather Service
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT... For the following areas... Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore... Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to mid lake... Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay... Seul Choix Point to 5NM West of Mackinac Bridge... Sleeping Bear Point to Grand Traverse Light MI... Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island... At 1047 PM EDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 9 nm north of Grand Traverse Light to 10 nm east of Cana Island Light, moving south at 35 knots. HAZARD...Waterspouts, wind gusts to nearly 50 knots, and small hail. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Mackinac Island, South Fox Island, Waugoshance Point, Good Hart, Big Rock Point, Gros Cap, Charlevoix, Cecil Bay, The Mackinac Bridge, Petoskey, Sturgeon Bay, Norwood, Harbor Springs, Beaver Island, Saint Ignace, Cross Village, Mackinac Bridge, Point Aux Chenes, and The Mouth Of Little Traverse Bay. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && WATERSPOUT...POSSIBLE; HAIL...<.75IN; WIND...49KTS
Small Craft Advisory
Issued: 1:58 AM Jul. 21, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT WEDNESDAY... * WHAT...Highest gusts up to 30 kts from the northwest and highest waves around 8 feet. * WHERE...Portions of Lake Huron and Lake Michigan. * WHEN...Until 11 PM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
Severe Thunderstorm Watch
Issued: 11:50 PM Jul. 20, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 505 IN EFFECT UNTIL 2 AM EDT TUESDAY FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING MACKINAC ISLAND ST IGNACE TO FALSE DETOUR CHANNEL 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING BOIS BLANC ISLAND LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT TO THE US/CANADIAN BORDER BEYOND 5 NM FROM SHORE GRAND TRAVERSE BAY SOUTH OF A LINE GRAND TRAVERSE LIGHT TO NORWOOD MI SEUL CHOIX POINT TO 5NM WEST OF MACKINAC BRIDGE NORWOOD MI TO 5NM WEST OF MACKINAC BRIDGE INCLUDING LITTLE TRAVERSE BAY SLEEPING BEAR POINT TO GRAND TRAVERSE LIGHT MI POINT BETSIE TO SLEEPING BEAR POINT MI MANISTEE TO POINT BETSIE MI LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH FOX ISLAND 5NM OFFSHORE LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5NM OFFSHORE TO MID LAKE LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5NM OFFSHORE TO MID LAKE ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY
Air Quality Alert
Issued: 5:32 PM Jul. 20, 2026 – National Weather Service
...AIR QUALITY ALERT FOR MONDAY JULY 20... The Michigan Department of Environmental Quality has issued an Air Quality Alert for Monday July 20, for elevated levels of fine particulates (PM2.5) due to wildfire smoke. Pollutants are expected to be in the Unhealthy and Unhealthy for Sensitive Groups range. This is a Statewide Air Quality Alert 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 nose, throat, and eyes. You can help reduce air pollution by limiting activities, such as: -outdoor burning; -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 up-to-date air quality data nationally visit EPA’s Air Now site: 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.
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