Merriman Island Weather Forecast

    • 17
    • 35

    Partly cloudy

    • 19
    • 31

    Shower or two

    • 19
    • 31

    Shower or two. Possible storm

    • 18
    • 27

    Showers. Possible storm

    • 17
    • 26

    Possible shower

    • 16
    • 23

    Shower or two

    • 15
    • 25

    Cloudy

Today 18 Dec South Coast

Mostly sunny. The chance of fog near the coast early this morning. Winds northwest to southwesterly 15 to 20 km/h tending northeast to southeasterly in the late afternoon then becoming light in the evening. Daytime maximum temperatures 34 to 39.

Eden Coastal Waters

Montague Island to Gabo Island
Wind
Northerly 10 to 15 knots, reaching up to 20 knots offshore during the day. Winds becoming variable about 10 knots in the late evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the afternoon.
1st Swell
Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the afternoon.
Weather
Mostly sunny.
Weather Situation
A high in the Tasman Sea is directing northerly winds over Coastal Waters. Later today or Friday a weak trough will bring a brief southerly change to much of the coast before winds turn northerly again over the weekend. Following this, a cold front will bring a fresh to strong southerly change later on Sunday or Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Merriman Island Temperature Statistics View More

December Temperature

Narooma (Marine Rescue) (18km)

  • Lowest 2 December, 2025

    9.4 °C

  • Average December

    19 °C

  • Highest 14 December, 2025

    30.5 °C

Climate (2020–Present)

Narooma (Marine Rescue) (18km)

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  • Average Low 2020–2025

    12.2 °C

  • Average 2020–2025

    17.2 °C

  • Average High 2020–2025

    20.5 °C
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