Tides

Glass eels (about 5.5 to 7.0 cm) arrive in fresh water during spring, especially during September and October, although they may be present from July to December.

In comparison to the vast span of geological time, the estuaries that we see today are very recent coastal features.

One of the major consequences of climate change is rising global sea levels.

New Zealand’s coast is sculpted by ocean waves. Some wave conditions bring joy to surfers and beachgoers, but, at other times, waves can cause major hazards at sea or along the shore.

Porirua at Mana Marina sea levels

Queens Wharf - Wellington sea levels

Raglan sea levels

Port Taranaki sea levels

Pouto Point sea levels