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

View the current warnings for New South Wales

Forecast issued at 10:00 am EST on Sunday 24 May 2026.

Weather Situation

A high pressure system over the southern Tasman Sea combined with a low pressure system over the southern Coral Sea is directing light to moderate south to southeasterly winds over the local waters. Over the coming days a broad area of low pressure moves over the state possibly bringing easterly or northeasterly winds.

Forecast for Sunday until midnight

Winds
Variable below 10 knots.
Seas
Below 0.5 metres.
Weather
Partly cloudy. 50% chance of showers.

Monday 25 May

Winds
Variable below 10 knots.
Seas
Below 0.5 metres.
Weather
Cloudy. 90% chance of showers.

Tuesday 26 May

Winds
Variable about 10 knots becoming northeasterly 10 to 15 knots during the afternoon then turning north to northwesterly below 10 knots during the evening.
Seas
Below 0.5 metres.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm in the afternoon and evening.

Wednesday 27 May

Winds
Westerly below 10 knots becoming south to southeasterly during the morning.
Seas
Below 0.5 metres.
Weather
Partly cloudy. 80% chance of showers. 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.

The next routine forecast will be issued at 4:05 pm EST Sunday.

Product IDN11013