Mangamaunu Surf Break

Lat Long: 42.31° S 173.75° E

Mangamaunu Sea Temperature and Wetsuit Guide

Issued: 12 am 12 Nov 2026 (local time)

Forecast update in  hr  min

Today's Mangamaunu sea temperature is
15.0°C
2.4° 

Mangamaunu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Mangamaunu sea temperature is 15.0 °C

(2.4° warmer than normal for this time of year)

Mean: 12.6 °C
Range: 11.6 °C to 13.5 °C
Statistics for 12 Nov (1981–2005)

    Today, many surfers would wear a spring wetsuit.

    Sunny with pleasantly warm air temperatures (feels like 21 °C) at Mangamaunu, yet the sea remains several degrees colder than the air. Most surfers will need a spring wetsuit though a summer suit or even a shorty may suffice for a short session.

    New Zealand Sea Water Temperature

    Map of current New Zealand
    Surface Water Temperatures

    (based on measurements from oceanographic satellites)
    New Zealand Water Temperature Anomaly

    Map of current New Zealand
    Sea Water Temperature Anomalies

    (compared with long term averages
    at this time of year)

    click thumbnails to expand

    Below is a graph of Historical Sea Surface Temperature for Mangamaunu. This has been derived from analysis of two decades of oceanographic satellite measurements of nearby open water. We have calculated the average water temperature variation around the year as well as the extremes that have been observed on each date.

    Mangamaunu Water Temperature Graph

    All of the graphs for the surf breaks presented on Surf-Forecast.com are on the same scale to enable comparison between locations around the world.

    Mangamaunu water temperatures peak in the range 15 to 18°C (59 to 64°F) on around the 7th of February and are at their minimum on about the 14th of August, in the range 10 to 11°C (50 to 52°F). The highest seasonal water temperatures at Mangamaunu in the first part of February lend themselves to a 4/3mm wetsuit or a 3/2mm suit and 3mm neoprene boots. At its minimum in mid August, low water temperatures at Mangamaunu are suited to a 5/4mm or 5/3mm good quality wetsuit with neoprene gloves and 3mm boots. You will need a hood if it's windy or the air is cold.

    Actual sea surface water temperatures close to shore at Mangamaunu can vary by several degrees compared with these open water averages. This is especially true after heavy rain, close to river mouths or after long periods of strong offshore winds. Offshore winds cause colder deep water to replace surface water that has been warmed by the sun. Air temperature, wind-chill and sunshine should also be considered before deciding on the kind of wetsuit needed to stay warm when surfing at Mangamaunu. Refer to our detailed weather forecasts for this information.

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