South East Coastal Waters Forecast: Tasman Island to South East Cape

View the current warnings for Tasmania

Forecast issued at 4:00 am EST on Friday 7 August 2026.

Weather Situation

A weak cold front is moving east of Tasmania. A ridge of high pressure develops over the state during today, before the airstream will then tend northwesterly across Tasmania during Saturday as a strong cold front approaches from the west, expected to cross later Sunday. The airstream is then expected to tend southwesterly on Monday as the cold front moves into the Tasman Sea.

Forecast for Friday until midnight

Winds
Southwesterly 10 to 15 knots turning westerly during the morning.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
2nd Swell
East to southeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Partly cloudy.

Saturday 8 August

Winds
Variable about 10 knots becoming north to northeasterly 10 to 15 knots in the middle of the day. Winds reaching up to 20 knots near Tasman Island in the late evening.
Seas
Below 1 metre, decreasing below 0.5 metres during the morning, then increasing to around 1 metre during the afternoon.
1st Swell
Southwesterly 2.5 to 3 metres.
2nd Swell
Easterly around 1 metre.
Weather
Partly cloudy.

Sunday 9 August

Winds
North to northeasterly 15 to 20 knots.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres offshore during the morning.
Swell
West to southwesterly 2 to 3 metres.
Weather
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.

Nearby Coastal Waters

Tas - BANKS STRAIGHT AND FRANKLIN SOUND Tas - CENTRAL NORTH COAST, Stanley to the Northern Tip of Flinders Is Tas - EAST OF FLINDERS ISLAND, Northern Tip of Flinders Is to St Helens Pt Tas - UPPER EAST COAST, St Helens Pt to Wineglass Bay Tas - LOWER EAST COAST, Wineglass Bay to Tasman Island Tas - SOUTHEAST COAST, Tasman Is to South East Cape Tas - SOUTHWEST COAST, South East Cape to Low Rocky Pt Tas - CENTRAL WEST COAST, Low Rocky Pt to Sandy Cape Tas - FAR NORTHWEST COAST, Sandy Cape to Stanley and King Island Vic - East Gippsland Coast - Coastal Waters Forecast Vic - Central Gippsland Coast - Coastal Waters Forecast Vic - Central Coast - Coastal Waters Forecast Vic - West Coast - Coastal Waters Forecast

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

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