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Bureau of Meteorology


Coastal Waters Forecast 

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IDT12331

Australian Government Bureau of Meteorology
Tasmania

Coastal Waters Forecast for Tasmania
Eastern Zones: Northern Tip of Flinders Island to Tasman Island

Issued at 10:00 pm EDT on Tuesday 28 October 2025
for the period until midnight EDT Friday 31 October 2025.

Please be aware
Wind 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.

Warning Information

For latest warnings go to www.bom.gov.au, subscribe to RSS feeds, call 1300 659 210* or listen for warnings on relevant TV and radio broadcasts.

Weather Situation

A high pressure system centred over Tasmania is expected to consolidate out to the east by Wednesday evening and remain over the southern Tasman Sea through Thursday. A trough is forecast to approach and cross Tasmania from the west during Friday.

East of Flinders Island: Northern Tip of Flinders Island to St Helens Point

Forecast for Tuesday 28 October until midnight

Winds: Northwest to northeasterly 10 to 15 knots. Seas: Below 1 metre. Swell: Southerly 1 to 1.5 metres. Weather: Mostly clear.

Forecast for Wednesday 29 October

Winds: Northwest to northeasterly 10 to 15 knots tending northwest to southwesterly in the evening. Seas: Below 1 metre. Swell: Southerly 1 to 1.5 metres. Weather: Partly cloudy.

Forecast for Thursday 30 October

Winds: West to southwesterly 10 to 15 knots becoming variable about 10 knots before dawn then becoming northeasterly 10 to 15 knots in the evening. Seas: Below 1 metre. Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Partly cloudy.

Forecast for Friday 31 October

Winds: Northeasterly 10 to 15 knots turning northerly during the evening. Seas: Around 1 metre. 1st Swell: Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore. 2nd Swell: Northeast to southeasterly around 1 metre. Weather: Cloudy.

Banks Strait and Franklin Sound

Forecast for Tuesday 28 October until midnight

Winds: Northwesterly below 10 knots. Seas: Below 1 metre. Swell: Southerly around 1 metre. Weather: Mostly clear.

Forecast for Wednesday 29 October

Winds: Variable about 10 knots becoming westerly 10 to 15 knots in the evening. Seas: Below 1 metre. Swell: Southerly around 1 metre. Weather: Partly cloudy.

Forecast for Thursday 30 October

Winds: Variable about 10 knots. Seas: Below 1 metre. Swell: South to southeasterly around 1 metre. Weather: Partly cloudy.

Forecast for Friday 31 October

Winds: East to northeasterly 10 to 15 knots tending north to northeasterly below 10 knots during the afternoon. Seas: Below 1 metre. Swell: Southerly below 1 metre. Weather: Cloudy.

Upper East Coast: St Helens Point to Wineglass Bay

Forecast for Tuesday 28 October until midnight

Winds: Northeast to southeasterly 10 to 15 knots. Seas: Below 1 metre. Swell: Southerly 1 to 1.5 metres inshore, increasing to 2 metres offshore. Weather: Mostly clear.

Forecast for Wednesday 29 October

Winds: North to northwesterly 15 to 20 knots tending southeast to southwesterly in the late evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon. Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Sunny.

Forecast for Thursday 30 October

Winds: Southerly 10 to 15 knots becoming variable about 10 knots in the morning then becoming northeasterly 10 to 15 knots in the evening. Seas: Around 1 metre. Swell: Southerly 1 to 1.5 metres. Weather: Partly cloudy.

Forecast for Friday 31 October

Winds: Northeasterly 10 to 15 knots turning northerly during the evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres inshore during the afternoon. Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Partly cloudy. 60% chance of showers.

Lower East Coast: Wineglass Bay to Tasman Island

Forecast for Tuesday 28 October until midnight

Winds: West to southwesterly 10 to 15 knots. Seas: Below 1 metre. Swell: Southerly 2 to 2.5 metres. Weather: Cloudy.

Forecast for Wednesday 29 October

Winds: Variable about 10 knots becoming southeast to southwesterly 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. Swell: Southerly 2 to 2.5 metres. Weather: Partly cloudy.

Forecast for Thursday 30 October

Winds: West to southwesterly 15 to 20 knots becoming variable about 10 knots in the morning then becoming northeasterly 10 to 15 knots in the late afternoon. Seas: Around 1 metre. Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore. Weather: Cloud clearing.

Forecast for Friday 31 October

Winds: North to northeasterly 15 to 25 knots. Seas: Around 1 metre, increasing to 1 to 2 metres during the morning. Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore. Weather: Partly cloudy.

South East Coast: Tasman Island to South East Cape

Forecast for Tuesday 28 October until midnight

Winds: West to southwesterly 15 to 20 knots. Seas: 1 to 1.5 metres. Swell: Southerly 2 to 2.5 metres. Weather: Cloudy.

Forecast for Wednesday 29 October

Winds: Westerly 15 to 25 knots. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the afternoon. Swell: Southerly 2 to 2.5 metres. Weather: Cloudy.

Forecast for Thursday 30 October

Winds: Westerly 15 to 20 knots becoming variable about 10 knots in the late afternoon then becoming east to northeasterly 10 to 15 knots in the late evening. Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre during the afternoon. Swell: Southerly 2 metres, tending southwesterly 2 to 2.5 metres during the morning. Weather: Partly cloudy.

Forecast for Friday 31 October

Winds: Northeasterly 15 to 20 knots turning northerly during the evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning. Swell: Southwesterly 2 to 2.5 metres. Weather: Partly cloudy. 50% chance of showers.

South West Coast: South East Cape to Low Rocky Point

Forecast for Tuesday 28 October until midnight

Winds: Westerly 10 to 15 knots, reaching up to 20 knots inshore. Seas: Around 1 metre, increasing to 1 to 1.5 metres inshore. Swell: Southerly 2 to 2.5 metres. Weather: Cloudy.

Forecast for Wednesday 29 October

Winds: Westerly 15 to 20 knots, reaching up to 25 knots near Maatsuyker Island in the evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning. Swell: Southerly 2 to 2.5 metres, tending southwesterly 1.5 to 2 metres around midday. Weather: Cloudy.

Forecast for Thursday 30 October

Winds: Westerly 15 to 20 knots shifting east to southeasterly in the evening. Seas: 1 to 1.5 metres, decreasing below 1 metre around midday. Swell: Southwesterly 2 to 2.5 metres. Weather: Cloudy.

Forecast for Friday 31 October

Winds: Northeasterly 15 to 20 knots turning north to northwesterly below 10 knots during the afternoon. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Southwesterly 2 to 2.5 metres. Weather: Cloudy. 70% chance of showers.

The next routine forecast will be issued at 4:00 am EDT Wednesday.

* Calls to 1300 numbers cost around 27.5c incl. GST, higher from mobiles or public phones. Marine forecasts are also available on VHF and HF radio. View the radio schedule on www.bom.gov.au/marine

Check the latest Coastal Waters Forecasts for information on wind, wave and weather conditions for neighbouring coastal zones.