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

View the current warnings for Tasmania

Forecast issued at 4:05 pm EST on Saturday 27 June 2026.

Weather Situation

A high pressure ridge is forecast to lie over Tasmania until Sunday, bringing settled weather to the state. The ridge is expected to move over the Tasman Sea later Sunday, directing a warmer northeasterly airstream over the state. A weak trough is expected to approach Tasmania from the west on Monday and cross Tuesday morning, bringing a north to northwesterly airstream to the state. The airstream will then tend more northerly on Wednesday as a trough approaches from the west, reaching the northwest of Tasmania later Wednesday.

Forecast for Saturday until midnight

Winds
Westerly 10 to 15 knots decreasing to about 10 knots in the evening.
Seas
Around 1 metre.
Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.

Sunday 28 June

Winds
Variable about 10 knots becoming north to northeasterly 10 to 15 knots in the morning. Winds reaching up to 20 knots offshore in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres by early evening.
Swell
Southwesterly 2 to 3 metres.
Weather
Mostly sunny.

Monday 29 June

Winds
Northerly 15 to 25 knots.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning.
Swell
Southwesterly 2 to 2.5 metres.
Weather
Mostly sunny.

Tuesday 30 June

Winds
Northerly 15 to 20 knots.
Seas
1 to 2 metres.
1st Swell
Southwesterly 1.5 to 2 metres.
2nd Swell
Northeasterly around 1 metre.
Weather
Partly cloudy. 80% 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 pm EST Saturday.

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