Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Detailed Severe Thunderstorm Warning
for Large Hailstones And Damaging Winds
for parts of Blue Mountains/Hawkesbury, Maitland/Cessnock, Greater Newcastle, Gosford/Wyong and Sydney areas.
Issued at 6:05 pm Friday, 17 October 2025.
Severe storms continue to moving northeast through the Central Coast and approaching Newcastle.
LARGE HAILSTONES and DAMAGING WINDS for the following areas:
Blue Mountains/Hawkesbury, Maitland/Cessnock, Greater Newcastle, Gosford/Wyong and Sydney
The Bureau of Meteorology warns that, at 6:05 pm, severe thunderstorms likely to produce large hailstones and damaging winds were detected near Manly, the Yengo National Park northwest of St Albans, Mangrove Mountain and the Yengo National Park southwest of Wollombi. These thunderstorms are moving towards the east. They are forecast to affect Wyong, Dooralong, Wollombi, Mangrove Creek Dam, Gorokan and waters off Dee Why Beach by 6:35 pm and Budgewoi, Toukley, Mulbring, Morisset, Freemans Waterhole and Catherine Hill Bay by 7:05 pm.
2 cm hailstones were reported at Engadine around 4:20 pm
The State Emergency Service advises that people should:
* Move your car under cover or away from trees.
* Secure or put away loose items around your house, yard and balcony.
* Keep at least 8 metres away from fallen power lines or objects that may be energised, such as fences.
* Report fallen power lines to either Ausgrid (131 388), Endeavour Energy (131 003), Essential Energy (132 080) or Evoenergy (131 093) as shown on your power bill.
* Unplug computers and appliances.
* Avoid using the phone during the storm.
* Stay indoors away from windows, and keep children and pets indoors as well.
* For emergency help in floods and storms, ring the SES (NSW and ACT) on 132 500.
A more general severe thunderstorm warning is also current for the Hunter and parts of the Mid North Coast, Metropolitan, Central Tablelands, North West Slopes and Plains, Central West Slopes and Plains and Upper Western districts.
The next warning is due to be issued by 7:05 pm.
Warnings are also available through TV and Radio broadcasts, the Bureau's website at www.bom.gov.au or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.
Forecast
Blackheath (33.6356°S, 150.2848°E, 1067m AMSL) set as my default location ›
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7 day forecast
Today: Partly cloudy. Slight chance of a shower on and E of the ranges, near zero chance elsewhere. Light winds becoming SE/SW 15 to 25 km/h in the middle of the day then tending E/SE in the evening. Overnight temperatures falling to between 7 and 13 with daytime temperatures reaching 21 to 27.
Forecast for Blackheath (33.6356°S, 150.2848°E, 1067m AMSL) Sat Sun Mon Tue Wed Thu Fri Summary Minimum 9° 9° 15° 16° 20° 11° 8° Maximum 21° 25° 29° 28° 30° 20° 21° Chance of rain 30% 5% 5% 30% 40% 80% 70% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm 1-5mm < 1mm UV index Very High Very High Very High Very High Extreme Very High Very High Fire Danger Rating Moderate Moderate High Moderate - - - Frost risk Nil Nil Nil Nil Nil Nil Nil 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm Wind speed 10
(km/h)16
(km/h)15
(km/h)17
(km/h)22
(km/h)26
(km/h)14
(km/h)18
(km/h)30
(km/h)35
(km/h)16
(km/h)19
(km/h)14
(km/h)17
(km/h)Wind direction ENE SSE NNE NNW NW WNW N N NNW NW SSE ESE NNE WNW Relative humidity 83% 44% 76% 34% 48% 35% 60% 38% 46% 37% 64% 50% 76% 39% Dew point 8°C 7°C 8°C 7°C 10°C 11°C 11°C 11°C 11°C 12°C 7°C 8°C 7°C 5°C -
Sunrise and sunset times
Sunrise / Sunset for Blackheath (33.6356°S, 150.2848°E, 1067m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter Full moon Last quarter 5:49am EDT 6:15am EDT 7:14pm EDT 7:39pm EDT 4:29am EDT 4:16pm EDT Waning crescent
New moon Oct 21 First quarter Oct 30 Full moon Nov 06 Last quarter Nov 12 -
Warnings
- Severe Thunderstorm Warning (Hail & Damaging Winds) Blue Mountains/Hawkesbury, Maitland/Cessnock, Greater Newcastle, Gosford/Wyong & Sydney
- Severe Thunderstorm Warning (Hail & Damaging Winds) Blue Mountains/Hawkesbury, Maitland/Cessnock, Greater Newcastle, Gosford/Wyong & Sydney
- Severe Thunderstorm Warning (Hail & Winds) Hunter & MN Cst, Metropolitan, C Tablelands, NW Slopes & Plains, CW Slopes/Plains & U Western
- Severe Thunderstorm Warning (Hail & Winds) Hunter & MN Cst, Metropolitan, C Tablelands, NW Slopes & Plains, CW Slopes/Plains & U Western
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Temperature for next 7 days
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Rain for next 7 days