Grant Bay Weather Forecast
- 15
- 39
Becoming windy. Partly cloudy
- 14
- 20
Partly cloudy
- 13
- 25
Sunny
- 18
- 34
Mostly sunny
- 16
- 21
Partly cloudy
- 15
- 19
Partly cloudy
- 16
- 23
Partly cloudy
Today 24 Jan South West
Partly cloudy. Winds northerly 25 to 35 km/h shifting south to southwesterly 25 to 40 km/h in the late afternoon. Daytime maximum temperatures around 40.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- Northwest to northeasterly 15 to 20 knots tending west to southwesterly in the late afternoon then tending south to southwesterly in the evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres inshore during the afternoon.
- 1st Swell
- Southwesterly 1 to 1.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system in the south of the Tasman Sea is directing a northerly airstream, ahead of a trough of low pressure which is expected to move over the west late Saturday, then across remaining parts overnight and during Sunday. A new high pressure centre is expected to lie to the southwest of the state on Sunday and then expected to move eastwards to be over the Tasman Sea on Monday. A northerly airstream is expected again on Tuesday ahead of another trough moving in from the west.
Grant Bay Temperature Statistics View More
January Temperature
Cape Nelson Lighthouse (8km)
Lowest 6 January, 2026
11.4 °CAverage January
16.6 °CHighest 7 January, 2026
32.6 °C
Climate (2021–Present)
Cape Nelson Lighthouse (8km)
Average Low 2021–2026
11.8 °CAverage 2021–2026
14.3 °CAverage High 2021–2026
17.5 °C