Sydney Coastal Waters Forecast: Broken Bay to Port Hacking

View the current warnings for New South Wales

Forecast issued at 4:10 am EDT on Wednesday 20 November 2019.

Weather Situation

A high pressure system lies over the northern Tasman Sea while a trough continues to move along northern parts of the coast, bringing a brief southerly change today. Later this afternoon, this trough will weaken and the high again become the dominant feature, with winds turning north to northeasterly. During Thursday and Friday northerly winds look set to strengthen ahead of a cold front that is forecast to bring a vigorous southerly change to southern and central parts of the coast from late Thursday. This change is expected to stall and weaken as it reaches the Mid North Coast by Friday afternoon.

Forecast for Wednesday until midnight

Winds
South to southeasterly 10 to 15 knots, reaching up to 20 knots inshore early in the morning. Winds turning easterly in the afternoon.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell
Southerly below 1 metre.
Weather
Partly cloudy.

Thursday 21 November

Strong Wind Warning for Thursday for Sydney Coast

Winds
Northeasterly 10 to 15 knots becoming north to northeasterly 20 to 30 knots during the afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres around midday, then increasing to 1.5 to 2.5 metres during the afternoon.
Swell
East to northeasterly below 1 metre.
Weather
Cloud clearing.

Friday 22 November

Winds
North to northeasterly 20 to 30 knots shifting south to southwesterly 15 to 20 knots during the morning then tending south to southeasterly 10 to 15 knots during the afternoon.
Seas
2 to 3 metres, decreasing to 1 to 2 metres during the late morning.
1st Swell
Northeasterly around 1 metre, increasing to 1 to 2 metres during the morning.
2nd Swell
Southerly around 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm in the afternoon and evening.

Please be awareWind and wave forecasts are averages. Wind gusts can be 40 per cent stronger than the forecast, and stronger still in squalls and thunderstorms. Maximum waves can be twice the forecast height.

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The next routine forecast will be issued at 4:05 pm EDT Wednesday.

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