Cable Bay NZ sea temperature in January — averages 20.0°C

The sea at Cable Bay NZ in New Zealand averages 20.0°C during January, based on long-run climatology for the Tasman Sea. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.

Average sea · January
20.0°C
warm · Good
Live water now
Recommended wetsuit
Shorty 2mm
At 20.0°C a 2mm shorty keeps surfers warm; lap swimmers can usually skip the neoprene.

January is a popular month to ask about Cable Bay NZ because conditions can shift week to week along this coast. Expect the water near 20.0°C, with daily variation from wind, tides and recent storms. We refresh the live value from Open-Meteo Marine every hour, so the headline above always reflects the current state of the Tasman Sea.

Monthly comparison

Yes — comfortable for most swimmers · Cable Bay NZ

Frequently asked questions

What is the average sea temperature at Cable Bay NZ in January?

Cable Bay NZ averages 20.0°C in January, based on long-run climatology for the Tasman Sea.

Is the sea warm enough to swim at Cable Bay NZ in January?

Yes, most swimmers find 20.0°C comfortable for unrestricted swimming.

Do I need a wetsuit at Cable Bay NZ in January?

Most swimmers don't need a wetsuit; a rash vest helps for longer sessions.