Monument Beach Weather Forecast

    • 14
    • 22

    Possible shower

    • 16
    • 21

    Showers increasing

    • 15
    • 18

    Showers

    • 13
    • 19

    Partly cloudy

    • 13
    • 19

    Shower or two. Becoming windy

    • 13
    • 19

    Shower or two

    • 12
    • 20

    Shower or two

Today 17 May South Coast

Partly cloudy. Patchy morning fog. Medium chance of showers, most likely later tonight. Light winds. Daytime maximum temperatures between 18 and 22.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly 10 to 15 knots, reaching up to 20 knots offshore during the day.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore.
1st Swell
Easterly 1.5 metres, tending northeasterly 1.5 to 2 metres during the morning, then tending easterly 2.5 metres during the afternoon.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm.
Weather Situation
A strong high pressure system over the southern Tasman Sea will slowly drift east towards New Zealand over the next several days while directing an onshore easterly airstream over the coastal waters of New South Wales. A coastal trough is expected to deepen about the north coast early next week, bringing unsettled weather.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Monument Beach Temperature Statistics View More

May Temperature

Ulladulla (15km)

  • Lowest 8 May, 2026

    9.2 °C

  • Average May

    16.9 °C

  • Highest 2 May, 2026

    24.1 °C

Climate (2021–Present)

Ulladulla (15km)

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  • Average Low 2021–2026

    13.8 °C

  • Average 2021–2026

    17 °C

  • Average High 2021–2026

    20.9 °C
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