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BoM Rochester Marine Weather Forecast

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Forecast for Friday, 7 August
Weather: Cloudy. 95% chance of showers.
Winds: Northerly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres around midday.
Swell: Southwesterly 3 metres.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm from the late morning.
Winds: North to northwesterly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning.
Winds: North to northwesterly 20 to 30 knots shifting southwesterly 25 to 30 knots during the morning.
Seas: 1 to 2 metres, increasing to 2 to 3 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres, increasing to 3 to 5 metres during the afternoon or evening.

Forecast for Friday, 7 August
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the morning.
Winds: North to northeasterly 10 to 15 knots becoming variable about 10 knots in the early afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Saturday, 8 August
Weather: Becoming cloudy. 90% chance of showers. The chance of a thunderstorm in the evening.
Winds: West to northwesterly about 10 knots tending north to northwesterly 10 to 15 knots in the early morning then tending west to northwesterly 15 to 25 knots in the evening. Winds reaching up to 30 knots in the late evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres later in the evening.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning. Possible small hail in the morning.
Winds: Westerly 25 to 35 knots turning southwesterly 25 to 30 knots during the morning.
Seas: 2 to 3 metres.
Swell: Southwesterly 2 to 3 metres, increasing to 3 to 4 metres during the afternoon or evening.

Forecast for Friday, 7 August
Weather: Partly cloudy. The chance of morning fog with reduced visibility. 90% chance of showers.
Winds: Northerly about 10 knots increasing to 10 to 15 knots in the morning. Winds reaching up to 20 knots south of Port Vincent to Brighton in the late evening.
Seas: Below 1 metre.
Swell: South to southwesterly below 1 metre.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 90% chance of showers.
Winds: Northerly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Port Vincent to Brighton.
Swell: South to southwesterly below 1 metre.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of rain. The chance of a thunderstorm in the morning.
Winds: Northerly 15 to 20 knots turning westerly 20 to 30 knots during the day.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the afternoon or evening.
Swell: South to southwesterly below 1 metre.

Forecast for Friday, 7 August
Weather: Partly cloudy. The chance of morning fog with reduced visibility. 95% chance of rain.
Winds: Northerly about 10 knots increasing to 15 to 20 knots in the early morning.
Seas: Around 1 metre.
Swell: West to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres during the morning, then decreasing to 1 to 1.5 metres by early evening.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 80% chance of showers.
Winds: Northerly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre by early evening.
Swell: West to southwesterly 1 to 1.5 metres.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of rain. The chance of a thunderstorm in the morning.
Winds: Northerly 15 to 20 knots shifting west to southwesterly 20 to 30 knots during the day.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the afternoon.
Swell: West to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres during the evening.

Forecast for Friday, 7 August
Weather: Partly cloudy. 50% chance of showers.
Winds: Variable below 10 knots becoming northerly 10 to 15 knots in the early morning. Winds reaching up to 20 knots north of Beachport in the late evening.
Seas: Around 1 metre.
Swell: Southwesterly 3 metres.
Forecast for Saturday, 8 August
Weather: Cloudy. 95% chance of showers.
Winds: Northerly 15 to 25 knots, reaching up to 30 knots north of Port MacDonnell in the late morning and early afternoon.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm.
Winds: Northerly 15 to 25 knots shifting southwesterly 25 to 30 knots during the evening.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 2.5 to 3 metres.

Forecast for Friday, 7 August
Weather: Cloudy. 95% chance of rain.
Winds: Northeasterly 15 to 20 knots tending northerly in the morning. Winds reaching up to 25 knots offshore in the early afternoon.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 8 August
Weather: Mostly sunny. 70% chance of showers. The chance of a thunderstorm at night.
Winds: North to northwesterly 10 to 15 knots, reaching up to 20 knots offshore in the late evening.
Seas: Around 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning.
Winds: North to northwesterly 15 to 20 knots shifting southwesterly 25 to 30 knots during the morning.
Seas: 1 to 2 metres, increasing to 2.5 to 3 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres, increasing to 3 to 5 metres during the afternoon or evening.

Forecast for Friday, 7 August
Weather: Partly cloudy. 90% chance of showers.
Winds: Northerly 15 to 20 knots.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 3 metres.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm from the late morning.
Winds: Northerly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre by early evening.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northerly 20 to 30 knots shifting southwesterly 25 to 30 knots during the morning.
Seas: 1 to 2 metres, increasing to 2 to 3 metres during the afternoon.
Swell: Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres during the evening.

Forecast for Friday, 7 August
Weather: Partly cloudy. Patchy fog in the early morning with reduced visibility. 95% chance of rain.
Winds: Northerly 10 to 15 knots, reaching up to 20 knots south of Cowell to Wallaroo during the day.
Seas: Around 1 metre, increasing to 1 to 1.5 metres near the Yorke Peninsula coast around midday.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 80% chance of showers.
Winds: Northeasterly 10 to 15 knots turning northerly 15 to 20 knots before dawn. Winds reaching up to 25 knots north of Cowell to Wallaroo in the early afternoon.
Seas: 1 to 1.5 metres.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of rain. The chance of a thunderstorm in the morning.
Winds: Northerly 15 to 20 knots turning westerly 20 to 30 knots during the morning.
Seas: 1 to 1.5 metres, increasing to 2 to 3 metres during the afternoon.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.

Forecast for Friday, 7 August
Weather: Partly cloudy. 80% chance of showers.
Winds: North to northeasterly about 10 knots increasing to 10 to 15 knots in the early morning. Winds reaching up to 20 knots offshore in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 95% chance of showers.
Winds: Northerly 15 to 20 knots, reaching up to 30 knots offshore in the late morning.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of rain. The chance of a thunderstorm.
Winds: Northerly 15 to 25 knots shifting west to southwesterly 20 to 30 knots during the afternoon.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the afternoon or evening.
Swell: Southwesterly 2 to 3 metres.

Forecast for Friday, 7 August
Weather: Cloudy. 95% chance of showers.
Winds: North to northeasterly 15 to 20 knots.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre during the afternoon.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 8 August
Weather: Mostly sunny. 80% chance of showers. The chance of a thunderstorm in the evening.
Winds: North to northwesterly 10 to 15 knots, reaching up to 20 knots offshore in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 metres.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning.
Winds: North to northwesterly 15 to 20 knots turning west to southwesterly 25 to 30 knots during the morning.
Seas: Around 1 metre, increasing to 2 to 3 metres during the morning.
Swell: Southwesterly 2 to 2.5 metres, increasing to 3 to 5 metres during the afternoon.
Clare
▲ N
Calm
· 1 °C
Warnings
Within 100 km of Rochester SA
Agricultural
State Wide
Marine Agricultural
View all SA warnings
Temperature
Rochester
1 °C 3 °C 3am 18 °C 2pm
↑ Warming
Now: 1 °C
Weather Now for Rochester
Late showers.
1 °C
Feels like -1 °C
Wind
Calm E
Humidity
97%
Pressure
1023 hPa
At Clare
Nearby Wind
50 km radius
N S W E Calm Clare 7 kn Snowtown
Rochester
Calm E
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