Number One Cove Weather Forecast
- 14
- 28
Sunny
- 14
- 31
Sunny
- 16
- 20
Showers increasing
- 12
- 19
Shower or two
- 11
- 22
Partly cloudy
- 9
- 26
Sunny
- 11
- 28
Sunny
Today 25 Sep Hunter
Partly cloudy. Slight chance of a shower in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening. Light winds. Daytime maximum temperatures 26 to 31.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- North to northeasterly 20 to 25 knots, reaching up to 30 knots offshore south of Norah Head in the evening.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Southerly around 1 metre.
- Weather
- Mostly sunny. The chance of a thunderstorm inshore in the afternoon and evening.
- Weather Situation
- A high pressure system over the Tasman Sea directs a northeasterly flow through the coastal waters. A cold front and trough will enter the Tasman Sea early Saturday, bringing a southerly change which will gradually track northward through the weekend.
Number One Cove Temperature Statistics View More
September Temperature
Williamtown RAAF Base (20km)
Lowest 9 September, 2026
4.4 °CAverage September
17.2 °CHighest 21 September, 2026
35.4 °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