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

View the current warnings for Tasmania

Forecast issued at 4:05 pm EDT on Tuesday 14 October 2025.

Weather Situation

A high pressure system centred over Victoria maintains a westerly flow over Tasmania. The high is forecast to move east over the Tasman Sea by late Wednesday shifting the flow northwesterly. Strengthening northwesterly flow is expected during Thursday ahead of an approaching cold front, forecast to cross the state from the west later in the day. Another cold front is expected to pass over Tasmania during Friday.

Forecast for Tuesday until midnight

Gale Warning for Tuesday for South East Coast

Winds
Westerly 25 to 35 knots.
Seas
2.5 to 4 metres.
Swell
Westerly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather
Cloudy.

Wednesday 15 October

Gale Warning for Wednesday for South East Coast

Winds
Westerly 25 to 40 knots decreasing to 20 to 30 knots in the late afternoon then tending west to northwesterly 15 to 25 knots in the late evening.
Seas
2 to 4 metres.
Swell
Westerly 4 to 5 metres.
Weather
Partly cloudy. 50% chance of showers.

Thursday 16 October

Winds
Northerly 15 to 25 knots increasing to 20 to 30 knots in the middle of the day then turning westerly in the early afternoon.
Seas
2 to 3 metres.
1st Swell
Southwesterly 3 to 5 metres.
2nd Swell
Below 0.5 metres, tending northeasterly 1 to 1.5 metres during the afternoon.
Weather
Partly cloudy. 60% chance of showers.

Friday 17 October

Winds
Westerly 20 to 30 knots.
Seas
2 to 3 metres.
Swell
West to southwesterly 3 to 5 metres.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the afternoon and evening. Possible small hail.

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 EDT Tuesday.

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