Mary Bay Weather Forecast

    • 16
    • 28

    Sunny

    • 18
    • 29

    Mostly sunny

    • 18
    • 29

    Partly cloudy

    • 20
    • 31

    Partly cloudy

    • 20
    • 26

    Shower or two

    • 19
    • 26

    Shower or two

    • 19
    • 28

    Possible shower

Today 4 Feb Illawarra

Sunny. The chance of fog about higher ground in the early morning. Winds north to northwesterly 15 to 25 km/h tending north to northeasterly 20 to 30 km/h in the late morning and afternoon. Overnight temperatures falling to between 13 and 17 with daytime temperatures reaching 27 to 32.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly 15 to 20 knots increasing to 15 to 25 knots in the middle of the day.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres around midday.
1st Swell
Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mary Bay Temperature Statistics View More

February Temperature

Point Perpendicular (13km)

  • Lowest 2 February, 2026

    15.4 °C

  • Average February

    18.9 °C

  • Highest 1 February, 2026

    22.5 °C

Climate (2021–Present)

Point Perpendicular (13km)

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  • Average Low 2021–2026

    14.7 °C

  • Average 2021–2026

    17.4 °C

  • Average High 2021–2026

    20.7 °C
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