Flat Rock Island Weather Forecast
- 7
- 20
Mostly sunny
- 7
- 19
Mostly sunny
- 8
- 19
Shower or two
- 11
- 20
Shower or two
- 10
- 22
Partly cloudy
- 10
- 19
Shower or two
- 9
- 18
Shower or two
Today 20 May Batemans Bay
Mostly sunny. Light winds.
Batemans Coastal Waters
Ulladulla to Montague Island- Wind
- Southwesterly 20 to 25 knots, reaching up to 30 knots offshore during the day.
- Seas
- 1 to 1.5 metres, increasing to 2 to 3 metres offshore.
- 1st Swell
- Southerly 2 to 3 metres, decreasing to 1.5 to 2 metres later in the evening.
- Weather
- Partly cloudy. 50% chance of showers. The chance of a thunderstorm offshore north of Moruya Heads late this afternoon and evening.
- Weather Situation
- A high pressure ridge establishing in the area during today with a trough and low pressure system further offshore and remaining over the Tasman Sea for the next several days, whipping fresh to strong southerly winds and large powerful waves to the coastline mid to late this week.
Flat Rock Island Temperature Statistics View More
May Temperature
Batemans Bay (Catalina Country Club) (11km)
Lowest 10 May, 2026
4.5 °CAverage May
15.6 °CHighest 3 May, 2026
25 °C
Climate (2021–Present)
Batemans Bay (Catalina Country Club) (11km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
16.5 °CAverage High 2021–2026
22.5 °C