Montagu Roadstead Weather Forecast

    • 18
    • 23

    Cloudy

    • 16
    • 24

    Cloudy

    • 16
    • 28

    Sunny

    • 19
    • 27

    Showers. Possible late storm

    • 19
    • 28

    Showers. Storm

    • 17
    • 24

    Showers

    • 17
    • 23

    Shower or two

Today 11 Jan Illawarra

Cloudy. The chance of smoke haze inland in the early afternoon. Medium chance of showers in the north, slight chance elsewhere. Winds southeasterly 25 to 35 km/h decreasing to 15 to 25 km/h in the late evening. Daytime maximum temperatures between 18 and 22.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southerly 20 to 25 knots, reaching up to 30 knots offshore south of Point Perpendicular in the late morning. Winds tending southeasterly 15 to 20 knots in the evening.
Seas
1.5 to 2.5 metres.
1st Swell
Southerly 1.5 to 2.5 metres.
Weather
Cloudy.
Weather Situation
A trough is moving northwards along the coast, bringing fresh to strong southerlies in its wake. The trough is expected to stall about the central coast during today, then continue north to reach the northern border by Monday. Coastal winds broadly shifty easterly during the new week as a high pressure system settles over the Tasman Sea.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Montagu Roadstead Temperature Statistics View More

January Temperature

Point Perpendicular (6km)

  • Lowest 1 January, 2026

    16.1 °C

  • Average January

    22.1 °C

  • Highest 9 January, 2026

    32.1 °C

Climate (2021–Present)

Point Perpendicular (6km)

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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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