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BoM Black Rock Marine Weather Forecast

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Forecast for Thursday, 29 October
Weather: Mostly clear.
Winds: Easterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres in the west.
Swell: Southwesterly 2.5 metres.
Forecast for Friday, 30 October
Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Winds: East to northeasterly 15 to 20 knots shifting northwesterly 15 to 25 knots in the late afternoon.
Seas: 1 to 2 metres.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Saturday, 31 October
Weather: Partly cloudy.
Winds: Westerly 15 to 25 knots turning southwesterly 10 to 15 knots in the evening.
Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre later in the evening.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Sunday, 1 November
Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the evening.
Winds: Variable below 10 knots becoming east to northeasterly 10 to 15 knots during the morning then tending east to southeasterly during the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres.

Forecast for Thursday, 29 October
Weather: Partly cloudy. 50% chance of showers. A thunderstorm likely with possible squalls.
Winds: East to northeasterly 15 to 20 knots, reaching up to 30 knots offshore.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
Swell: Southerly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Friday, 30 October
Weather: 50% chance of showers in the early morning. A thunderstorm likely in the early morning. Mostly sunny day.
Winds: North to northeasterly 15 to 20 knots shifting west to southwesterly 15 to 25 knots during the morning and early afternoon.
Seas: 1 to 2 metres, decreasing below 1.5 metres later in the evening.
Swell: Southerly 1.5 to 2 metres, tending southwesterly 1.5 metres by early evening. Southeasterly around 1 metre.
Forecast for Saturday, 31 October
Weather: Mostly sunny.
Winds: West to southwesterly 10 to 15 knots becoming variable about 10 knots before dawn then becoming east to southeasterly 15 to 20 knots in the middle of the day.
Seas: Below 1 metre, increasing to 1 to 1.5 metres by early evening.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres by early evening.
Forecast for Sunday, 1 November
Weather: The chance of a thunderstorm in the morning. Mostly sunny day.
Winds: Easterly 15 to 20 knots turning southerly 10 to 15 knots during the afternoon.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: Southwesterly 1 to 1.5 metres.

Forecast for Thursday, 29 October
Weather: Clear.
Winds: Easterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Friday, 30 October
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the late afternoon and evening.
Winds: Northeasterly 15 to 20 knots turning north to northwesterly 15 to 25 knots in the late evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres around midday, then decreasing to 1 metre by early evening.
Swell: West to southwesterly below 0.5 metres.
Forecast for Saturday, 31 October
Weather: Partly cloudy.
Winds: West to northwesterly 15 to 20 knots turning southwesterly 10 to 15 knots in the afternoon.
Seas: 1 to 1.5 metres, decreasing to 1 metre around midday, increasing to 1 to 1.5 metres south of Port Vincent to Brighton during the afternoon.
Swell: Southeast to southwesterly below 0.5 metres.
Forecast for Sunday, 1 November
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Variable below 10 knots becoming easterly 10 to 15 knots during the afternoon.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.

Forecast for Thursday, 29 October
Weather: Clear.
Winds: Easterly 10 to 15 knots.
Seas: Around 1 metre.
Swell: West to southwesterly below 1 metre, increasing to 1 to 2 metres through the Backstairs Passage.
Forecast for Friday, 30 October
Weather: Partly cloudy. 90% chance of showers from the late morning. The chance of a thunderstorm in the afternoon and evening.
Winds: East to northeasterly 10 to 15 knots turning north to northwesterly 15 to 20 knots in the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: West to southwesterly below 1 metre.
Forecast for Saturday, 31 October
Weather: Partly cloudy.
Winds: West to northwesterly 20 to 25 knots becoming westerly 20 to 30 knots in the early morning then decreasing to 15 to 20 knots in the morning.
Seas: 1.5 to 2 metres, decreasing to 1 metre later in the evening.
Swell: West to southwesterly below 1 metre.
Forecast for Sunday, 1 November
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the evening.
Winds: Variable below 10 knots becoming east to northeasterly 10 to 15 knots during the day then tending east to southeasterly during the evening.
Seas: Below 1 metre.
Swell: West to southwesterly below 1 metre.

Forecast for Thursday, 29 October
Weather: Mostly clear.
Winds: East to southeasterly about 10 knots.
Seas: Below 0.5 metres.
Swell: Southwesterly 3 metres.
Forecast for Friday, 30 October
Weather: Mostly sunny morning. 70% chance of showers in the evening. The chance of a thunderstorm in the evening.
Winds: Easterly 10 to 15 knots turning northerly 15 to 20 knots in the late morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres north of Beachport during the morning.
Swell: Southwesterly 2 to 3 metres.
Forecast for Saturday, 31 October
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the early morning.
Winds: North to northwesterly 15 to 25 knots turning westerly 20 to 30 knots early in the morning then decreasing to 15 to 25 knots in the middle of the day.
Seas: 1.5 to 2.5 metres, decreasing to 1.5 metres by early evening.
Swell: Southwesterly 2 metres, decreasing to 1.5 metres during the morning, then increasing to 2 metres during the afternoon.
Forecast for Sunday, 1 November
Weather: Partly cloudy.
Winds: Westerly 10 to 15 knots becoming variable about 10 knots during the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres.

Forecast for Thursday, 29 October
Weather: Mostly clear.
Winds: Easterly 15 to 20 knots.
Seas: 1.5 metres.
Swell: South to southwesterly 2 to 2.5 metres.
Forecast for Friday, 30 October
Weather: Cloudy. 95% chance of showers. A thunderstorm likely in the morning and afternoon.
Winds: East to northeasterly 15 to 20 knots shifting west to northwesterly in the early afternoon. Winds reaching up to 25 knots offshore in the late evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres by early evening.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Saturday, 31 October
Weather: Partly cloudy.
Winds: Westerly 15 to 25 knots becoming variable about 10 knots in the evening.
Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre by early evening.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Sunday, 1 November
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Easterly 10 to 15 knots turning southeasterly 15 to 20 knots during the afternoon.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the evening.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.

Forecast for Thursday, 29 October
Weather: Mostly clear.
Winds: Easterly 10 to 15 knots, reaching up to 20 knots west of Kangaroo Island.
Seas: Around 1 metre.
Swell: Southwesterly 3 metres.
Forecast for Friday, 30 October
Weather: Partly cloudy. 80% chance of showers from the late morning. The chance of a thunderstorm in the afternoon and evening.
Winds: East to northeasterly 15 to 20 knots turning north to northwesterly 15 to 25 knots during the day.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 2 to 3 metres, decreasing to 2 metres by early evening.
Forecast for Saturday, 31 October
Weather: Partly cloudy.
Winds: Northwesterly 15 to 20 knots turning westerly 15 to 25 knots early in the morning.
Seas: 1 to 2 metres.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the morning, then increasing to 1.5 to 2 metres around midday.
Forecast for Sunday, 1 November
Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm in the evening.
Winds: Variable about 10 knots becoming east to southeasterly 10 to 15 knots during the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres.

Forecast for Thursday, 29 October
Weather: Clear.
Winds: Easterly 10 to 15 knots, reaching up to 20 knots south of Cowell to Wallaroo.
Seas: Below 1 metre.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Forecast for Friday, 30 October
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm from the late morning.
Winds: East to northeasterly 15 to 20 knots tending north to northeasterly before dawn then turning northwesterly in the evening. Winds reaching up to 25 knots south of Cowell to Wallaroo during the day.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres around midday, then decreasing below 1.5 metres by early evening.
Swell: South to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres south of Port Neill to Port Victoria.
Forecast for Saturday, 31 October
Weather: Mostly sunny.
Winds: Westerly 15 to 25 knots turning south to southwesterly 15 to 20 knots in the early afternoon.
Seas: 1 to 2 metres, decreasing to 1 metre around midday.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Forecast for Sunday, 1 November
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Variable below 10 knots becoming northeasterly 10 to 15 knots during the morning then tending easterly during the afternoon.
Seas: Around 1 metre.
Swell: South to southwesterly around 1 metre.

Forecast for Thursday, 29 October
Weather: Clear.
Winds: Southeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southwesterly 3 metres.
Forecast for Friday, 30 October
Weather: Partly cloudy. 70% chance of showers in the late afternoon and evening. The chance of a thunderstorm in the evening.
Winds: Easterly 10 to 15 knots turning northerly 15 to 20 knots in the middle of the day.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore during the morning.
Swell: Southwesterly 2 to 3 metres, decreasing to 2 metres by early evening.
Forecast for Saturday, 31 October
Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm south of Salt Creek in the early morning.
Winds: North to northwesterly 15 to 20 knots turning westerly 15 to 25 knots in the early morning.
Seas: 1 to 2 metres.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the morning, then increasing to 1.5 to 2 metres later in the evening.
Forecast for Sunday, 1 November
Weather: Partly cloudy. The chance of a thunderstorm in the evening.
Winds: West to southwesterly 10 to 15 knots becoming west to northwesterly below 10 knots during the morning then becoming east to southeasterly during the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres.

Forecast for Thursday, 29 October
Weather: Partly cloudy. The chance of a thunderstorm.
Winds: Northeasterly 10 to 15 knots, reaching up to 20 knots offshore.
Seas: Below 1 metre, increasing to 1 to 1.5 metres offshore.
Swell: South to southwesterly 2 metres.
Forecast for Friday, 30 October
Weather: Partly cloudy. 90% chance of showers. A thunderstorm likely in the morning and afternoon.
Winds: North to northeasterly 15 to 20 knots shifting westerly in the middle of the day.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Saturday, 31 October
Weather: Mostly sunny.
Winds: Westerly 15 to 20 knots shifting east to southeasterly 10 to 15 knots in the evening.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Sunday, 1 November
Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Winds: Easterly 10 to 15 knots turning south to southeasterly 15 to 20 knots during the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 1 to 1.5 metres.
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Black Rock
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Now: 16 °C
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