Botany Bay Wide FAD (offshore) Weather Forecast

    • 17
    • 19

    Shower or two

    • 19
    • 20

    Partly cloudy

    • 18
    • 20

    Sunny

    • 19
    • 20

    Mostly sunny

    • 17
    • 18

    Shower or two

    • 17
    • 18

    Cloudy

    • 17
    • 19

    Cloud clearing

Today 23 Sep Sydney

Cloudy. High chance of showers, becoming less likely in the late afternoon and evening. Light winds becoming easterly 20 to 30 km/h in the middle of the day then tending northeasterly 15 to 25 km/h in the evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Northeasterly 15 to 20 knots, reaching up to 25 knots offshore during the afternoon and evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southerly 2 to 2.5 metres, decreasing to 1 to 1.5 metres later in the evening.
Weather
Cloudy. 90% chance of showers.
Weather Situation
Easterly winds lie over the coastal waters. A high pressure system is slipping to the south and will enter the Tasman Sea during today, turning the winds northeasterly and then freshen the winds along the southern and central coastal waters. A southerly change is forecast to move over the coastal waters from Saturday, tracking north over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Botany Bay Wide FAD (offshore) Temperature Statistics View More

September Temperature

Sydney Airport (25km)

  • Lowest 18 September, 2026

    9.1 °C

  • Average September

    18 °C

  • Highest 20 September, 2026

    32.7 °C

Climate (2021–2026)

Sydney Airport (25km)

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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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