Lake Michigan water levels approach highest in decades

Manitowoc, Wis. (WFRV) - Water levels in the five Great Lakes are currently higher than they have been in more than a decade, and the forecast is for them to keep rising.

Anyone living around the Bay of Green Bay or Lake Michigan knows how the water levels have changed over time. 
 
In 2013,  the Lake's water levels were the lowest on record.  Now this year, the water is already up to six inches higher than compared to 2016.
 
As it currently sits, Lake Michigan is well over a foot (up to 15") higher than what's considered normal.
 
The reason why the water levels are so high is because of snow build up in winter, and the wet weather in spring, as rain and runoff from rivers and streams continue to pour into the Great Lakes.
 
"We're very fortunate here in Manitowoc that we have floating docks and that means the docks go up and down according to the water levels," said President of Manitowoc Marina, Rich Larsen.
 
Larsen says they have not had problems with the rising water so far, in fact, its been better for their boats.
 
High water in the Great Lakes is known to cause shoreline erosion, property damage, and take away beaches.
 
The Army Corps of Engineers in Detroit, MI tells Local 5 they track the water levels in Lake Michigan on a monthly basis, and it still rests 20 inches below it's all time high.
 
 
IMAGE COURTESY: http://www.lre.usace.army.mil

SUPERIOR

MICH-HURON

ST. CLAIR

ERIE

ONTARIO

Forecasted Water Level for Jun 16, 2017 (feet)

602.56

580.25

576.21

573.62

248.79

Chart Datum (feet)

601.10

577.50

572.30

569.20

243.30

Difference from chart datum (inches)

+18

+33

+47

+53

+66

Difference from average water level for May 16, 2017 (inches*)

+5

+3

+2

+1

-1

Difference from average water level for Jun 16, 2016 (inches*)

+2

+1

+4

+9

+32

 

Difference from long-term monthly average of Jun (inches)

+9

+13

+18

+20

+31

Difference from highest monthly average of record for Jun (inches)

-4

-19

-11

-8

+3

Year of highest recorded monthly mean

1986

1986

1986

1986

1952

Difference from lowest monthly average of record for Jun (inches)

32

43

46

55

65

Year of lowest recorded monthly mean

1926

1964

1934

1934

1935

 

Projected change in levels by Jul 16, 2017 (inches)

+2

+1

0

-3

-8

 
 
They expect the water levels to continue to rise at least a couple inches into late July.
 

 


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