The first effects of a tropical cyclone bearing down on the top of the North Island kept Northland coastguard busy and caused havoc for boaties.
Three men were rescued in the Hauraki gulf, after their boat ran into trouble in choppy conditions.
Elsewhere five metre swells made the entrance to the Tutukaka
harbour impassable for most of Sunday.
Boaties in the North Island are being advised against going out on the water unless their boats can handle the conditions.
The real sting of Cyclone Funa will hit the north of the country on Monday night bringing high winds and rain.
NIWA says it is the first tropical cyclone to cross New Zealand since the late 1990s.