Montagu Roadstead Weather Forecast

    • 14
    • 21

    Shower or two

    • 13
    • 22

    Shower or two

    • 13
    • 22

    Cloudy

    • 11
    • 24

    Partly cloudy

    • 11
    • 25

    Sunny

    • 11
    • 25

    Mostly sunny

    • 12
    • 23

    Possible shower

Today 21 Apr Illawarra

Partly cloudy. Medium chance of showers along the coastal fringe, slight chance elsewhere. Winds south to southeasterly 15 to 25 km/h tending south to southwesterly 15 to 20 km/h in the evening then becoming light in the late evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southerly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Point Perpendicular.
1st Swell
Southeasterly 2 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system over the southern Tasman Sea is slowly drifting east towards New Zealand, while a weakening low pressure system in the eastern Tasman Sea maintains a southerly airstream over the coastal waters. Winds over the southern and central coastal waters will tend east to northeasterly mid to late this week as a ridge extending from the high becomes the dominant feature.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Montagu Roadstead Temperature Statistics View More

April Temperature

Point Perpendicular (6km)

  • Lowest 18 April, 2026

    11.9 °C

  • Average April

    18.7 °C

  • Highest 9 April, 2026

    28.2 °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

    20.8 °C
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