Ocean power in New Zealand speed. Because the tidal speed doubles, eight times more tidal power can be produced at spring tides than at neap tides. The entrance to Kaipara Harbour, one of the largest harbours in the world, is a channel to the Tasman Sea. It narrows to a width of , and is over deep in parts. On average, Kaipara tides rise and fall . At high tide, nearly 1000 square kilometres are flooded. Spring tidal flows reach 9 km/h (5 knots) in the entrance channel and move 1,990 million cubic metres per tidal movement or 7,960 million cubic meters daily. In 2011,
Married to the Sea Married to the Sea Married to the Sea is a webcomic by husband and wife Drew Fairweather and Natalie Dee. Both Drew and Natalie have creative input on "Married to the Sea" but the comic is not strictly collaborative. Each has a personal webcomic project: Drew is also the author of "Toothpaste for Dinner" and Natalie Dee produces "NatalieDee". There is one new comic on "Married to the Sea" daily. According to the site, it updates at midnight EST, "without exception". The comics themselves are composed of public domain images (Victorian or otherwise) combined with new captions written by the