Number One Cove Weather Forecast
- 11
- 27
Clear
- 12
- 29
Late shower or two
- 12
- 16
Shower or two. Windy
- 10
- 18
Shower or two
- 6
- 24
Sunny
- 11
- 28
Sunny
- 12
- 30
Sunny
Today 14 Sep Hunter
Clear. Winds north to northwesterly 15 to 20 km/h.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Northerly 15 to 20 knots, reaching up to 30 knots offshore in the late evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
- 1st Swell
- Southerly around 1 metre, increasing to 1 to 1.5 metres north of Norah Head.
- Weather
- Clear.
- Weather Situation
- Northerly winds will increase during today before a trough brings a southerly change to the far south in the evening. This southerly change will continue to move north along the coast on Tuesday and then strengthen as a cold front reaches the Tasman Sea. After this, southerly winds will persist as a ridge of high pressure extends across from the west.
Number One Cove Temperature Statistics View More
September Temperature
Williamtown RAAF Base (20km)
Lowest 9 September, 2026
4.4 °CAverage September
16.4 °CHighest 5 September, 2026
32.8 °C
Climate (2021–2026)
Williamtown RAAF Base (20km)
Average Low 2021–2026
13.5 °CAverage 2021–2026
18.2 °CAverage High 2021–2026
24 °C