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Michigan

GiqueCee

(3,102 posts)

2. Speaking of oceans...

Reply to COL Mustard (Reply #1)

Thu Nov 27, 2025, 09:51 AM

Thursday

... I wonder if the Great Lakes are large enough to be affected by the Moon, and thus have tides. I'd never really thought about it before, but now I'm genuinely curious.

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raging moderate BradBo susanr516 electric_blue68

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Highlight:

LIVE: Lake Superior Storm Cam [View all] catbyte Thursday OP

The gales of November... COL Mustard Thursday #1

Speaking of oceans... GiqueCee Thursday #2

Yes, but only about 5 cm or less, so NOAA considers them to be non-tidal. catbyte Thursday #5

Thanks! GiqueCee Thursday #6

Fascinating! electric_blue68 Thursday #13

Yes and no. BradBo Thursday #7

It does Have a significant seiche, however (enough to reverse the flow of the St. Louis River in the Duluth Ship Canal) waterwatcher123 Thursday #9

AHA! GiqueCee Thursday #10

Our MN Seagrant office called their newsletter the "Seiche". waterwatcher123 Thursday #12

lake gitchigoomi throws up AllaN01Bear Thursday #3

My father once gave a great analogy to the ocean and the Great Lakes: Chasstev365 Thursday #4

Many years ago I tipped a toe in to Lake Superior Siwsan Thursday #8

Ice in June Cirsium Thursday #11

Wow. Looks like the ocean... electric_blue68 Thursday #14

I could sleep to the sound of the waves. Tbear Thursday #15