Boat Harbour Beach Weather Forecast

    • 10
    • 18

    Showers increasing

    • 11
    • 17

    Showers easing. Windy

    • 13
    • 19

    Sunny

    • 11
    • 18

    Partly cloudy

    • 10
    • 18

    Sunny

    • 9
    • 18

    Sunny

    • 11
    • 17

    Shower or two

Today 9 Aug Sydney

Cloudy. Patchy fog in the outer west early this morning. Very high chance of showers, most likely during this afternoon and evening. Light winds becoming northerly 15 to 25 km/h in the middle of the day.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Northerly 15 to 25 knots, reaching up to 30 knots offshore in the late evening.
Seas
Around 1 metre, increasing to 1 to 2 metres by early evening.
1st Swell
Easterly around 1 metre.
Weather
Partly cloudy. 95% chance of showers.
Weather Situation
A slow-moving high pressure system over NSW extends a ridge over the coastal waters. As the high drifts east, a cold front and trough are forecast to cross the coastal waters during today and Monday. Fresh to strong and gusty north to northwesterly winds will follow the front, persisting into midweek. A secondary surge of fresh to strong west to northwesterly winds is then expected during Wednesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Boat Harbour Beach Temperature Statistics View More

August Temperature

Sydney Airport (10km)

  • Lowest 5 August, 2026

    7.3 °C

  • Average August

    13.1 °C

  • Highest 3 August, 2026

    22.7 °C

Climate (2021–2026)

Sydney Airport (10km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    23.5 °C
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