When Is the Next Flood Tide?

10/10/2021: The tide now in Charleston, SC is rising. Next high tide is 11:57 pm. Next low tide is 6:11 am.

What time of year are tides the highest?

The highest tides occur when the Moon is new or full. High tides sometimes occur either before or after the Moon is straight overhead. Twice a month, the difference between high tide and low tide is at its smallest. These tides are called neap tides.

How often each day do flood tides occur?

Since the Earth rotates through two tidal “bulges” every lunar day, we experience two high and two low tides every 24 hours and 50 minutes.