Box Beach Weather Forecast
- 13
- 34
Late shower or two
- 13
- 19
Showers
- 14
- 22
Shower or two
- 14
- 23
Partly cloudy
- 13
- 26
Sunny
- 13
- 28
Sunny
- 14
- 22
Shower or two
Today 21 Sep Hunter
Mostly sunny day. Medium chance of showers in the late afternoon and evening. Winds northwesterly 15 to 20 km/h shifting south to southeasterly 25 to 35 km/h in the early afternoon. Overnight temperatures falling to between 9 and 17 with daytime temperatures reaching 29 to 35.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Northwesterly 15 to 20 knots shifting south to southeasterly 15 to 25 knots in the early afternoon. Winds reaching up to 30 knots offshore north of Norah Head in the late afternoon.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres during the afternoon.
- 1st Swell
- Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 2 to 2.5 metres later in the evening.
- Weather
- Mostly sunny.
- Weather Situation
- A high pressure system over the Tasman Sea directs a northwesterly flow over much of the state, with a fresh and gusty southerly change moving across the coastal waters today, reaching the QLD border by Tuesday. A second high pressure system is forecast to slip south and enter the Tasman Sea by mid-week, turning the winds east to northeasterly.
Box Beach Temperature Statistics View More
September Temperature
Williamtown RAAF Base (33km)
Lowest 9 September, 2026
4.4 °CAverage September
16.9 °CHighest 5 September, 2026
32.8 °C
Climate (2021–2026)
Williamtown RAAF Base (33km)
Average Low 2021–2026
13.5 °CAverage 2021–2026
18.2 °CAverage High 2021–2026
24 °C