Montagu Roadstead Weather Forecast

    • 9
    • 19

    Shower or two

    • 9
    • 23

    Mostly sunny

    • 11
    • 21

    Showers

    • 13
    • 19

    Showers easing

    • 11
    • 20

    Partly cloudy

    • 8
    • 20

    Partly cloudy

    • 8
    • 20

    Partly cloudy

Today 23 Aug Illawarra

Partly cloudy. The chance of morning fog about higher ground. Medium chance of showers, most likely in the morning and afternoon. Light winds becoming north to northeasterly 15 to 20 km/h in the middle of the day then tending north to northwesterly in the late evening. Overnight temperatures falling to between 3 and 9 with daytime temperatures reaching between 15 and 19.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Variable about 10 knots becoming northeasterly 10 to 15 knots in the middle of the day then tending northerly in the late evening. Winds reaching up to 20 knots south of Port Kembla in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres south of Port Kembla by early evening.
1st Swell
Southerly 1.5 to 2.5 metres, decreasing to 1.5 metres later in the evening.
Weather
Partly cloudy. 60% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Montagu Roadstead Temperature Statistics View More

August Temperature

Point Perpendicular (6km)

  • Lowest 8 August, 2026

    7.7 °C

  • Average August

    13.9 °C

  • Highest 3 August, 2026

    21.1 °C

Climate (2021–2026)

Point Perpendicular (6km)

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  • Average Low 2021–2026

    14.8 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    20.8 °C
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