Three Brothers Rocks Weather Forecast

    • 19
    • 26

    Shower or two. Possible storm

    • 19
    • 27

    Cloudy

    • 20
    • 23

    Shower or two

    • 18
    • 24

    Shower or two

    • 17
    • 23

    Showers

    • 16
    • 25

    Partly cloudy

    • 16
    • 26

    Mostly sunny

Today 4 Mar South Coast

Cloudy. High chance of showers, becoming less likely this evening. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding. Light winds. Daytime maximum temperatures 23 to 28.

Eden Coastal Waters

Montague Island to Gabo Island
Wind
Northeast to southeasterly 10 to 15 knots tending northwest to northeasterly in the morning then tending southeast to southwesterly in the middle of the day.
Seas
Below 1 metre.
1st Swell
Northeasterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore north of Green Cape during the afternoon.
Weather
Cloudy. 70% chance of showers. The chance of a thunderstorm.
Weather Situation
A slow moving high pressure system over the Tasman Sea extends a ridge to the state's east, maintaining fresh northeasterly airstream over coastal waters. The ridge is forecast to persist over the north coast through the week while a trough brushes the south coast early today then weakens. Then, another trough is expected to cross the southern half of the coast on Friday and stalls about the central part of the coast. This will be followed by the second high pressure system passing to the south, maintaining onshore easterly airstream later in the week.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Three Brothers Rocks Temperature Statistics View More

March Temperature

Montague Island Lighthouse (27km)

  • Lowest 1 March, 2026

    18.6 °C
  • Average March

    21.1 °C
  • Highest 1 March, 2026

    23.4 °C

Climate (2021–Present)

Montague Island Lighthouse (27km)

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  • Average Low 2021–2026

    14.7 °C
  • Average 2021–2026

    17 °C
  • Average High 2021–2026

    19.9 °C
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