Montague Island Weather Forecast

    • 18
    • 22

    Possible late shower

    • 16
    • 22

    Possible shower

    • 16
    • 23

    Sunny

    • 15
    • 22

    Early shower or two

    • 12
    • 22

    Mostly sunny

    • 12
    • 21

    Mostly sunny

    • 13
    • 23

    Sunny

Today 22 Dec South Coast

Mostly sunny day. Medium chance of showers in the evening. Winds northwest to southwesterly 15 to 25 km/h tending northeast to southeasterly in the morning then becoming light in the late evening. Overnight temperatures falling to between 13 and 18 with daytime temperatures reaching the low to high 20s.

Batemans Coastal Waters

Ulladulla to Montague Island
Wind
North to northwesterly 15 to 20 knots shifting south to southeasterly in the early morning.
Seas
1 to 2 metres, decreasing to 1 metre by early evening.
1st Swell
Southerly below 1 metre, increasing to 1.5 to 2.5 metres during the morning.
Weather
The chance of a thunderstorm offshore north of Moruya Heads in the early morning. Mostly sunny day.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Montague Island Temperature Statistics View More

December Temperature

Montague Island Lighthouse (0km)

  • Lowest 2 December, 2025

    12.3 °C

  • Average December

    18.8 °C

  • Highest 14 December, 2025

    26.4 °C

Climate (2020–Present)

Montague Island Lighthouse (0km)

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  • Average Low 2020–2025

    14.6 °C

  • Average 2020–2025

    17 °C

  • Average High 2020–2025

    19.9 °C
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