Blenheim Beach Weather Forecast
- 5
- 18
Mostly clear
- 7
- 15
Early shower or two. Wind easing
- 9
- 17
Mostly sunny
- 11
- 18
Partly cloudy
- 8
- 17
Possible shower
- 9
- 17
Shower or two
- 9
- 17
Shower or two
Today 11 Jul Illawarra
Mostly clear. Winds northwesterly 15 to 20 km/h.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- North to northwesterly 10 to 15 knots, reaching up to 20 knots offshore.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres offshore.
- 1st Swell
- Southeasterly around 1 metre inshore, increasing to 1.5 metres offshore south of Port Kembla.
- Weather
- Mostly clear.
- Weather Situation
- North to northwesterly winds prevail today as a ridge extends over the northern coastal waters and a cold front approaches from the west. The cold front will cross the coastal waters during Sunday morning, bringing fresh westerly winds in its wake. A series of fronts and troughs is forecast to slip south of the coastal waters during early next week, ahead of the next trough that may brush the coast during mid week, bringing a fresh southerly change.
Blenheim Beach Temperature Statistics View More
July Temperature
Point Perpendicular (10km)
Lowest 11 July, 2026
8.6 °CAverage July
13.7 °CHighest 2 July, 2026
20.3 °C
Climate (2021–2026)
Point Perpendicular (10km)
Average Low 2021–2026
14.8 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
20.8 °C