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

View the current warnings for New South Wales

Forecast issued at 4:05 pm EST on Friday 3 July 2026.

Weather Situation

Moderate to fresh westerly winds develop over the Sydney Waters following the passage of a cold front. A high pressure system over the Bight will then drift towards Tasmania while a low develops near New Zealand, bringing fresh southerly winds and large, powerful waves to Sydney Waters over the weekend and into early next week.

Forecast for Friday until midnight

Winds
Westerly 15 to 20 knots.
Seas
Below 0.5 metres.
Weather
Clear.

Saturday 4 July

Winds
Westerly 10 to 15 knots decreasing to below 10 knots in the morning then becoming south to southwesterly in the middle of the day.
Seas
Below 0.5 metres.
Weather
Sunny.

Sunday 5 July

Winds
Southwesterly 15 to 20 knots turning southerly 15 to 25 knots in the middle of the day.
Seas
Below 0.5 metres.
Weather
Cloudy. 80% chance of showers.

Monday 6 July

Winds
Southerly 15 to 25 knots.
Seas
Below 0.5 metres.
Weather
Cloudy. 90% chance of showers.

Tuesday 7 July

Winds
South to southwesterly 15 to 20 knots.
Seas
Below 0.5 metres.
Weather
Partly cloudy. 70% chance of showers.

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 10:00 pm EST Friday.

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