When the tide is a its highest point.
High tide nimo
When the tide is at its highest.
it is high tide
it is high tide
neap tide
high tide and low tide
there is a high tide nimo...
high tide
The time for high tide and low tide depends on the date of the tide, and the place where you are measuring high and low tide. There isn't a fixed number, unfortunately.
low tide in the night high tide in the day
High tide ...
2 high tides and 2 low tides in one day. All of them have different heights (Ex. One high high tide, then one high low tide, then a low high tide, then a low low tide.