Civil Defence is warning boaties there may be strong currents around New Zealand today following an earthquake in the United States.
The 7.9 magnitude quake struck off the coast of Kodiak Island, Alaska, at 12:30am on Tuesday (local time).
A tsunami warning was put in place for parts of the United States coastline and Canada. This was later lifted.
Civil Defence says no tsunami threat was issued for New Zealand, but "strong currents and surges" could be experiences from midday on Wednesday, lasting for 24 hours.
Coastal flooding is not expected.