Bundeena Bay Weather Forecast

    • 15
    • 17

    Showers

    • 15
    • 18

    Cloudy

    • 13
    • 20

    Cloud clearing

    • 13
    • 24

    Sunny

    • 16
    • 28

    Sunny

    • 19
    • 26

    Showers

    • 15
    • 21

    Showers

Today 27 Sep Sydney

Cloudy. Very high chance of showers, most likely in the late morning and afternoon. Winds south to southeasterly 20 to 30 km/h.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Southerly 15 to 25 knots, tending south to southeasterly 25 to 30 knots in the middle of the day. Winds tending southeasterly 15 to 20 knots in the evening.
Seas
1 to 2 metres.
1st Swell
Southerly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Weather
Cloudy. 95% chance of showers.
Weather Situation
A cold front and trough will pass over the Tasman Sea bringing a southerly change northward along the NSW coast. A ridge of high pressure will build over the coastal waters in the wake of the southerly change, turning winds east to northeasterly over the coastal waters for the early days of the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Bundeena Bay Temperature Statistics View More

September Temperature

Sydney Airport (15km)

  • Lowest 18 September, 2026

    9.1 °C

  • Average September

    18.3 °C

  • Highest 20 September, 2026

    32.7 °C

Climate (2021–2026)

Sydney Airport (15km)

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  • Average Low 2021–2026

    15 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    23.5 °C
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