Eli5:How come some days will have two high tides and two low tides whereas other days have one high tide and two low tides?

Question

Eli5:How come some days will have two high tides and two low tides whereas other days have one high tide and two low tides?

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Answer 1

It has to do with timing. Much like a month is 30 days but it takes the moon 28 to complete a revolution. Which is why some months have 2 full moms and some months only 1. Same with tides, which occur every 12 hours and 25 minutes. So some see 2 high and low tide. And others not