Dee Beach Weather Forecast

    • 15
    • 17

    Rain

    • 11
    • 19

    Mostly sunny

    • 12
    • 19

    Shower or two

    • 14
    • 18

    Showers

    • 14
    • 20

    Shower or two

    • 14
    • 20

    Shower or two

    • 13
    • 19

    Shower or two

Today 19 May South Coast

Cloudy. Very high chance of rain, most likely in the morning and afternoon. Winds west to southwesterly and light increasing to 20 to 30 km/h in the morning. Overnight temperatures falling to between 11 and 15 with daytime temperatures reaching between 12 and 16.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southwesterly 15 to 20 knots increasing to 15 to 25 knots in the middle of the day. Winds reaching up to 30 knots during the afternoon and evening.
Seas
Below 1 metre, increasing to 1 to 2 metres around midday, then increasing to 2.5 to 3 metres by early evening.
1st Swell
Northeasterly 2 metres, increasing to 2.5 to 3 metres during the morning.
Weather
Cloudy. Near 100% chance of rain. The chance of a thunderstorm offshore from late this morning.
Weather Situation
A trough is heading eastwards and forecast to cross the coastal waters during today. A low pressure has formed within the trough in the northeast of the state as the system enters the Tasman Sea later today. The low will then remain over the Tasman Sea while whipping fresh to strong southerly winds and large powerful swells to the coastline mid to late this week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dee Beach Temperature Statistics View More

May Temperature

Ulladulla (14km)

  • Lowest 8 May, 2026

    9.2 °C

  • Average May

    17 °C

  • Highest 2 May, 2026

    24.1 °C

Climate (2021–Present)

Ulladulla (14km)

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  • Average Low 2021–2026

    13.8 °C

  • Average 2021–2026

    17 °C

  • Average High 2021–2026

    20.9 °C
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