Goat Island Weather Forecast
- 10
- 17
Shower or two
- 13
- 16
Shower or two
- 13
- 17
Shower or two
- 10
- 17
Partly cloudy
- 9
- 16
Partly cloudy
- 11
- 17
Shower or two
- 10
- 16
Shower or two
Today 18 May Lower South East
Partly cloudy. Patchy morning fog. Medium chance of showers, most likely later tonight. Light winds becoming westerly 15 to 20 km/h in the early afternoon then becoming light in the late afternoon. Daytime maximum temperatures around 18.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Variable below 10 knots becoming north to northwesterly 10 to 15 knots in the morning then tending west to northwesterly in the late afternoon.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2 to 2.5 metres.
- Weather
- Partly cloudy. The chance of morning fog inshore with reduced visibility. 70% chance of showers.
- Weather Situation
- A ridge of high pressure builds in the west. A cold front will move over the south early Tuesday, followed by a high pressure system, which will linger in the Bight midweek.
Goat Island Temperature Statistics View More
May Temperature
Robe (2km)
Lowest 11 May, 2026
9 °CAverage May
16 °CHighest 1 May, 2026
23.2 °C
Climate (2021–Present)
Robe (2km)
Average Low 2021–2026
11.3 °CAverage 2021–2026
15.9 °CAverage High 2021–2026
18.5 °C