Bundeena Bay Weather Forecast

    • 16
    • 19

    Shower or two

    • 14
    • 18

    Mostly sunny

    • 14
    • 19

    Shower or two

    • 15
    • 19

    Showers easing

    • 17
    • 20

    Shower or two

    • 16
    • 21

    Shower or two

    • 15
    • 19

    Shower or two

Today 19 May Sydney

Partly cloudy. High chance of showers, becoming less likely at night. The chance of thunderstorms in the northwest in the afternoon and evening. Light winds becoming southwesterly 15 to 20 km/h in the early afternoon then becoming light in the late evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots offshore in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres by early evening.
1st Swell
Northeasterly 2 to 2.5 metres.
Weather
Cloudy. 80% chance of rain. The chance of a thunderstorm.
Weather Situation
A trough is crossing the coastal waters, with a low pressure system forming within the trough off the south coast. The low will then head further offshore and remain over the Tasman Sea for the next several days, whipping fresh to strong southerly winds and large powerful waves to the coastline mid to late this week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Bundeena Bay Temperature Statistics View More

May Temperature

Sydney Airport (15km)

  • Lowest 8 May, 2026

    9.6 °C

  • Average May

    17.9 °C

  • Highest 3 May, 2026

    25.6 °C

Climate (2021–Present)

Sydney Airport (15km)

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  • Average Low 2021–2026

    14.8 °C

  • Average 2021–2026

    18.7 °C

  • Average High 2021–2026

    23.4 °C
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