Tide

Illustration of coastal zone management sign

Illustration of a barrier island coast with microtidal, wave-dominated energy. The morphology shows an flood-tidal delta, recurved spit, washover fans, "wash-around", closed inlet, tidal inlets, tidal creeks, and saltmarsh

Illustration of a barrier island coast with mixed (wave & tide) energy. The morphology shows an ebb-tidal delta, a drumstick barrier island, tidal inlets, tidal creeks, and saltmarsh

Icon representing time passing

Illustration of storm damage effects on mangroves

Illustration of the moon undergoing phases; first quarter is heading towards a full moon

Illustration of a full moon

Illustration of the moon undergoing phases: last quarter is heading towards a new moon

Illustration of the moon undergoing phases: new moon. The Moon, in its monthly orbital motion around Earth, lies between Earth and the Sun, and is therefore in conjunction with the Sun as seen from Earth. At this time, the dark (unilluminated) portion of the Moon faces almost directly toward Earth, so that the Moon is not visible to the naked eye

Illustration of the moon undergoing phases; waning (decreasing in size) crescent (name of shape), heading towards a new moon

Illustration of the moon undergoing phases; waning (decreasing in size) gibbous (name of shape), heading towards a new moon

Illustration of the moon undergoing phases; waxing (increasing) crescent (shape), heading towards a full moon

Illustration of the moon undergoing phases; waxing (increasing in size) gibbous (name of shape), heading towards a full moon

Illustration of intertidal seagrass habitat

Illustration of subtidal seagrass habitat

Illustration of tidal forces

Illustration of astronomical tide

Illustration of meteorological tide