What are spring tides characterized by?

Spring tides are characterized by tides of increased range. This phenomenon occurs when the gravitational forces of the Moon and the Sun align due to their relative positions during new and full moons. When the Moon is either directly between the Earth and the Sun (new moon) or on the opposite side of the Earth from the Sun (full moon), their combined gravitational pull results in higher high tides and lower low tides, leading to a greater tidal range compared to other times in the lunar month.

This increased range is significant for navigation and seamanship, as it can affect vessel operations, harbor access, and safety considerations during peak tidal times. Understanding the patterns of spring tides helps mariners plan for safe passage and activities around water.