Sydney Closed Waters Forecast: Sydney Harbour, Pittwater and Botany Bay

View the current warnings for New South Wales

Forecast issued at 11:08 am EDT on Tuesday 10 December 2019.

Weather Situation

A high pressure system over the Tasman Sea extends a ridge towards the northern New South Wales coast today, while a trough is bringing a southerly change to southern and central parts of the coast. This change will continue to the Mid-North Coast early Wednesday before stalling and weakening. A new high is expected to develop over the Bight later Wednesday and Thursday, pushing a ridge across southern New South Wales du7ring the latter part of the week.

Forecast for Tuesday until midnight

Strong Wind Warning for Tuesday for Sydney Closed Waters

Winds
North to northeasterly 10 to 15 knots shifting south to southeasterly 15 to 25 knots in the afternoon, locally reaching 30 knots in the late afternoon or early evening.
Seas
Below 0.5 metres.
Weather
Sunny morning. The slight chance of a thunderstorm in the afternoon.

Wednesday 11 December

Winds
Southerly 15 to 20 knots decreasing to about 10 knots in the evening.
Seas
Below 0.5 metres.
Weather
Cloudy.

Thursday 12 December

Winds
Southerly below 10 knots tending southeasterly 10 to 15 knots during the day.
Seas
Below 0.5 metres.
Weather
Cloudy. The chance of a thunderstorm in the afternoon and evening.

Friday 13 December

Winds
South to southeasterly about 10 knots.
Seas
Below 0.5 metres.
Weather
Cloudy.

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.

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

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