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

View the current warnings for Tasmania

Forecast issued at 10:00 am EST on Thursday 27 August 2026.

Weather Situation

A high pressure system moves to north of the state today while a cold front approaches the southwest late in the day before crossing Tasmania early Friday. Another high pressure system is expected to build south of the Bight on Saturday and extend a ridge to the north of Tasmania, with the high centre to move near Adelaide on Sunday and extend a ridge over Tasmania.

Forecast for Thursday until midnight

Strong Wind Warning for Thursday for South East Coast

Winds
West to northwesterly 10 to 15 knots tending north to northwesterly 15 to 20 knots in the late morning and afternoon. Winds reaching up to 30 knots offshore in the late evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres by early evening.
1st Swell
Southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore.
2nd Swell
Easterly 1 to 1.5 metres.
Weather
Partly cloudy. 80% chance of showers.

Friday 28 August

Strong Wind Warning for Friday for South East Coast

Winds
Westerly 20 to 30 knots.
Seas
2 to 3 metres.
1st Swell
Westerly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.
2nd Swell
Easterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Cloudy. 70% chance of showers.

Saturday 29 August

Winds
Westerly 25 to 35 knots.
Seas
2.5 to 3 metres.
Swell
Westerly 3 to 5 metres, tending southwesterly 4 to 5 metres during the evening.
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 4:05 pm EST Thursday.

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