Spencer Gulf Weather Forecast

    • 13
    • 16

    Shower

    • 16
    • 19

    Windy

    • 17
    • 19

    Shower

    • 15
    • 18

    Shower

    • 14
    • 17

    Shower

    • 13
    • 17

    Shower

    • 14
    • 17

    Partly cloudy

Today 31 May Flinders

Partly cloudy. The chance of morning fog. Medium chance of showers, most likely later tonight. Winds west to southwesterly 15 to 20 km/h becoming light in the early morning then becoming northwest to northeasterly 15 to 25 km/h in the evening. Daytime maximum temperatures between 13 and 17.

Spencer Gulf Coastal Waters

Wind
West to southwesterly 15 to 20 knots shifting north to northeasterly 10 to 15 knots in the middle of the day then becoming northerly 15 to 25 knots in the evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
1st Swell
South to southwesterly around 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1 to 2 metres later in the evening.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A weak high pressure system moves across from the west today. A significant low pressure system moves over waters to the south of SA on Monday and Tuesday reaching western Bass Strait Tuesday afternoon. A another low pressure moves over waters to the southeast on Wednesday. A high pressure system follows the low moving across northern parts of SA later in the week.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Spencer Gulf Temperature Statistics View More

May Temperature

Whyalla Airport (38km)

  • Lowest 11 May, 2026

    5.5 °C
  • Average May

    14.9 °C
  • Highest 1 May, 2026

    30.7 °C

Climate (2021–Present)

Whyalla Airport (38km)

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  • Average Low 2021–2026

    12 °C
  • Average 2021–2026

    17.5 °C
  • Average High 2021–2026

    23.8 °C
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