Life-threatening waves on Great Lakes. Beach hazard forecast for Aug. 28

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High waves and robust currents will create life-threatening circumstances throughout Michigan’s Great Lakes for swimmers and boaters, the National Weather Service stated because it introduced advisories for Thursday, Aug. 28, by the morning of Aug. 29.

“Wind and wave action will cause currents on the lakeshore. Swimmers should not enter the water,” the National Weather Service stated. “Currents can carry swimmers away from shore through a sand bar and along structures extending out into the lake.”

Beach hazards and small craft advisories are in place alongside areas of Lake Michigan, Lake Huron and Lake Superior.

Around Michigan’s thumb, from Huron County to St. Clair County, officers forecast the utmost wave heights as much as 8 ft in Lake Huron with wind gusts as much as 29 knots (33 mph).

In Lake Michigan, beach-goers from Manistee County south to Berrien County ought to watch out for robust rip currents, waves as much as 6 ft excessive and gusts reaching 25 knots (28 mph).

“A high swim risk develops today on Manistee County beaches. Otherwise, rain will taper off this morning, with partly sunny skies this afternoon. Coolish weather returns to wrap up the week,” the National Weather Service in Gaylord stated on X.

Along Lake Superior, the hazards stay for Marquette County and Alger County beaches. The most harmful circumstances are forecast for Middle Bay close to Presque Isle, Little Presque Isle, McCarty’s Cove, Au Train Bay, Pictured Rocks National Lakeshore and uncovered areas of Grand Marais Harbor.

“High wave motion and harmful currents will result in life threatening swimming conditions. Waves in speedy succession can tire swimmers shortly,” the NWS stated.

Here’s extra on the seaside hazards for Michigan’s Great Lakes:

How excessive will the waves be in Lake Huron on Aug. 28?

In Lake Huron, listed here are the expected wave heights:

  • Huron County: 5-7 ft.
  • Sanilac County: 3-5 ft.
  • St. Clair County: 3-5 ft.

“The largest significant waves will be 6 feet with a potential maximum wave height of 8 feet,” the NWS stated.

How excessive will the waves be in Lake Michigan on Aug. 28?

Across Lake Michigan’s shoreline, listed here are the expected wave heights:

  • Oceana County: 4-6 ft.
  • Allegan County: 4-6 ft.
  • Manistee County: 3-5 ft.
  • Muskegon County: 3-5 ft.
  • Ottawa County: 3-5 ft.
  • Van Buren County: 3-5 ft.
  • Benzie County: 2-4 ft.
  • Mason County: 2-4 ft.

How excessive will the waves be in Lake Superior on Aug. 28?

In Lake Superior, listed here are the expected waves heights:

  • Marquette County: 3-5 ft.
  • Alger County: 3-5 ft.

What does a small craft advisory imply?

A small craft advisory is issued when there are anticipated sustained winds of twenty-two knots or frequent gusts of 25 knots or higher, or mixed seas of 10 ft or extra.

Small crafts embody homeowners of small to medium sized motor and sail boats, affecting fisherman, para-sailors, windsurfers and canoe paddlers.

What is a rip present?

Along the Great Lakes, rip currents are robust, slim channels of fast-moving water — shifting at speeds as much as eight ft per second, in line with the National Ocean Service.

“If caught in a rip current, don’t fight it. Swim parallel to the shore and swim back to land at an angle,” stated this system.

How can I test seaside circumstances in Michigan?

The NWS maintains an internet beach hazard map for all Great Lakes. The map forecasts wave top, winds, max temperature, UV index and extra info on currents, water high quality and incident statistics.

In addition, residents can test wave top predictions by viewing the NWS Great Lakes Portal, which updates wave heights, wind gusts and air temperature forecasts.

Contact Sarah Moore @ [email protected]


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