Mary Bay Weather Forecast
- 10
- 16
Partly cloudy
- 9
- 17
Possible shower
- 9
- 17
Shower or two
- 10
- 16
Showers
- 8
- 18
Shower or two
- 9
- 19
Showers
- 10
- 20
Shower or two
Today 25 Jun Illawarra
Cloudy. Slight chance of a shower along the coastal fringe, near zero chance elsewhere. Light winds.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- East to southeasterly about 10 knots.
- Seas
- Below 1 metre.
- 1st Swell
- Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Point Perpendicular.
- Weather
- Partly cloudy. 50% chance of showers.
- Weather Situation
- A high pressure system over Tasmania will gradually drift eastwards while a weak coastal trough lingers off the New South Wales coast, maintaining south to southeasterly winds over the coastal waters for much of the period. Winds will tend north to northeasterly by early next week as the high enters the Tasman Sea and moves further east.
Mary Bay Temperature Statistics View More
June Temperature
Point Perpendicular (13km)
Lowest 24 June, 2026
8.3 °CAverage June
15.2 °CHighest 10 June, 2026
21 °C
Climate (2021–2026)
Point Perpendicular (13km)
Average Low 2021–2026
14.8 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
20.8 °C