Do the great lakes have tide systems?

Answer 1

I have to disagree with most of the other answers, but yes, the Great Lakes have tides. Even the Earth bulges ever so slightly due to the gravitational pulls of the sun and the moon. If solid land has a "tide", then surely a large lake must have one.

Answer 2

Yes, the Great Lakes do possibly get tides. I still think this is rather humorous because the tides are only 1 to 4 cm - that's anywhere from just less than 1/2 inch to 1 1/2 inches — some tide system!

I came across one site that said yes,
http://www.great-lakes.net/teach/chat/answers/100100_tides.html

and two other sites that referred to the tides as being minimal.
http://www.qc.ec.gc.ca/csl/fich/fich001_001_e.html
https://www1.cmos.ca/upload/1680.html

From the first site:
According to the Canadian Hydrologic/Hydrographic Service, the Great Lakes experience tides from 1 to 4 cm, the strongest being on Lakes Superior and Erie.

The tides are often missed or hidden because of seiche. Seiche is the term used to describe when wind pushes down on one part of a lake, the water surface rises in another part, producing waves (most noticeable on Lake Erie because the lake is so shallow).
http://www.great-lakes.net/teach/chat/answers/100100_tides.html

Answer 3

Every time I visit Lake Michigan, my dad tells me that if I get stuck in a tide, I need to swim parallel to the shore, so I am forced to believe that there are tides in the Great Lakes.

Answer 4

They have something called a seiche, pronounced "saysh". "Like water sloshing in a bathtub, seiches are tide-like rises and drops in Great Lakes coastal water levels caused by prolonged strong winds that push water toward one side of the lake, causing the water level to rise on the downwind side of the lake and to drop on the upwind side. When the wind stops, the water sloshes back and forth, with the nearshore water level rising and falling in decreasingly small amounts on both sides of the lake until it reaches equilibrium"

The strongest being on Lake Erie and Superior.

On the North American Great Lakes, seiche is often called slosh. It is always present, but is usually unnoticeable, except during periods of unusual calm.

Not to be confused with a riptide or rip current. A strong flow of current near the shore.

Answer 5

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Answer 6

Because the water in the great lake cannot run off to someplace else due to changes in gravity (ebb tide), and then flow back (flow) there can be no tides on the great lakes.

Answer 7

I agree with mountaingym, They do have tides because of how wide and deep they are. If you were to put a 12 ft border in the united states and emptied the great lakes it would fill to the brim.

Answer 8

No

Answer 9

No. ~