South West Coastal Waters Forecast: South East Cape to Low Rocky Point

View the current warnings for Tasmania

Forecast issued at 10:00 am EDT on Wednesday 18 February 2026.

Weather Situation

A ridge of high pressure is expected to develop over southeastern parts of the mainland today, maintaining a westerly flow over Tasmania until the ridge moves over the state on Thursday. The ridge is forecast to move eastwards over the Tasman Sea, as a cold front approaches and crosses from the west late Friday, followed by a secondary high pressure system moving over the state on Saturday.

Forecast for Wednesday until midnight

Gale Warning for Wednesday for South West Coast

Winds
Northwesterly 25 to 30 knots, reaching up to 35 knots in the late morning. Winds tending westerly in the early afternoon.
Seas
2.5 to 3 metres.
Swell
Westerly 4 to 5 metres.
Weather
Partly cloudy. 80% chance of showers.

Thursday 19 February

Gale Warning for Thursday for South West Coast

Winds
Westerly 20 to 30 knots, reaching up to 35 knots near Maatsuyker Island early in the morning. Winds decreasing to 15 to 20 knots in the late evening.
Seas
2 to 3 metres.
Swell
Westerly 4 to 5 metres.
Weather
Partly cloudy. 80% chance of showers.

Friday 20 February

Winds
Northwesterly 20 to 30 knots tending westerly 25 to 30 knots during the evening.
Seas
1.5 to 2 metres, increasing to 2.5 to 4 metres during the afternoon or evening.
Swell
Southwesterly 3 to 5 metres.
Weather
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 4:05 pm EDT Wednesday.

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