Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

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IDN11013

Australian Government Bureau of Meteorology
New South Wales

Local Waters Forecast for Sydney Enclosed Waters

Issued at 3:55 am EST on Wednesday 19 August 2026
for the period until midnight EST Saturday 22 August 2026.

Please be aware
Wind 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.

Warning Information

For latest warnings go to www.bom.gov.au, subscribe to RSS feeds, call 1300 659 210* or listen for warnings on relevant TV and radio broadcasts.

Weather Situation

A high pressure system over Tasmania is directing onshore easterly winds today. Winds will tend north to northwesterly today as a low pressure trough approaches from the west.

Forecast for Wednesday 19 August until midnight

Winds: Variable below 10 knots becoming northeasterly 15 to 20 knots in the middle of the day then tending northerly 10 to 15 knots in the late evening. Seas: Below 0.5 metres. Weather: Partly cloudy.

Forecast for Thursday 20 August

Winds: North to northwesterly below 10 knots tending north to northeasterly 10 to 15 knots in the middle of the day then becoming north to northwesterly about 10 knots in the late afternoon. Seas: Below 0.5 metres. Weather: Partly cloudy.

Forecast for Friday 21 August

Winds: North to northwesterly below 10 knots. Seas: Below 0.5 metres. Weather: Partly cloudy. 70% chance of showers.

Forecast for Saturday 22 August

Winds: West to northwesterly below 10 knots tending west to southwesterly 10 to 15 knots during the morning then turning south to southeasterly during the day. Seas: Below 0.5 metres. Weather: Partly cloudy. 50% chance of showers.

The next routine forecast will be issued at 10:00 am EST Wednesday.

* Calls to 1300 number cost around 27.5c inc. GST, higher from mobiles or public phones. Marine forecasts are also available on VHF and HF radio. View the radio schedule on www.bom.gov.au/marine

Check the latest Coastal Waters Forecast or Local Waters Forecast at http://www.bom.gov.au/nsw/forecasts/map.shtml for information on wind, wave and weather conditions for these coastal zones.