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BoM Stephenston Marine Weather Forecast

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Forecast for Wednesday, 17 June
Weather: Cloudy. 90% chance of rain. The chance of a thunderstorm.
Winds: North to northwesterly 15 to 25 knots.
Seas: 1.5 to 2 metres.
Swell: Southwesterly 2 metres.
Forecast for Thursday, 18 June
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Winds: Northwesterly 20 to 25 knots tending north to northwesterly 20 to 30 knots in the early morning then turning west to southwesterly in the afternoon.
Seas: 2 to 3 metres.
Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres in the west.
Forecast for Friday, 19 June
Weather: Partly cloudy. 95% chance of showers.
Winds: Southwesterly 25 to 30 knots turning southerly 15 to 20 knots during the afternoon and evening.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 2 to 4 metres, decreasing to 3 metres during the afternoon.
Forecast for Saturday, 20 June
Weather: Partly cloudy. 70% chance of showers.
Winds: Southerly 15 to 20 knots turning southeasterly 10 to 15 knots during the day.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: Southwesterly 2 to 3 metres. Below 0.5 metres, tending southerly 1 to 2 metres during the morning.

Forecast for Wednesday, 17 June
Weather: Partly cloudy. 70% chance of showers.
Winds: Northwesterly 25 to 30 knots.
Seas: 2 to 2.5 metres.
Swell: Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Thursday, 18 June
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm from the late morning.
Winds: West to northwesterly 20 to 30 knots turning southwesterly 25 to 30 knots in the early morning.
Seas: 2 to 3 metres.
Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 4 metres during the morning.
Forecast for Friday, 19 June
Weather: Partly cloudy. 95% chance of showers.
Winds: Southwesterly 20 to 30 knots tending south to southwesterly 15 to 25 knots before dawn.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 3 to 4 metres, decreasing to 3 metres around midday.
Forecast for Saturday, 20 June
Weather: Partly cloudy.
Winds: Southerly 15 to 20 knots turning southeasterly below 10 knots during the day.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon.
Swell: South to southwesterly 2 to 3 metres. Southerly below 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening.

Forecast for Wednesday, 17 June
Weather: Cloudy. Near 100% chance of rain. The chance of a thunderstorm.
Winds: North to northeasterly 15 to 20 knots tending north to northwesterly 10 to 15 knots in the evening.
Seas: Around 1 metre.
Swell: South to southwesterly below 0.5 metres.
Forecast for Thursday, 18 June
Weather: Partly cloudy. 90% chance of showers.
Winds: Northwesterly 15 to 20 knots increasing to 20 to 25 knots in the morning. Winds reaching up to 30 knots during the afternoon and evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Swell: West to southwesterly below 0.5 metres.
Forecast for Friday, 19 June
Weather: Partly cloudy. 95% chance of showers.
Winds: Westerly 15 to 25 knots turning south to southwesterly 10 to 15 knots during the day.
Seas: 1 to 2 metres, decreasing to 1 metre by early evening.
Swell: West to southwesterly below 0.5 metres.
Forecast for Saturday, 20 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southerly 15 to 20 knots turning southeasterly below 10 knots during the day.
Seas: Around 1 metre.
Swell: Southeast to southwesterly below 0.5 metres.

Forecast for Wednesday, 17 June
Weather: Cloudy. 95% chance of rain. The chance of a thunderstorm.
Winds: Northerly 15 to 20 knots tending northwesterly in the late evening.
Seas: 1 to 1.5 metres.
Swell: West to southwesterly around 1 metre.
Forecast for Thursday, 18 June
Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northwesterly 15 to 25 knots, reaching up to 30 knots during the day. Winds turning westerly 20 to 25 knots in the late evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Swell: West to southwesterly below 1 metre.
Forecast for Friday, 19 June
Weather: Partly cloudy. 95% chance of showers.
Winds: Westerly 15 to 25 knots turning south to southwesterly 15 to 20 knots during the morning and early afternoon.
Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres around midday.
Swell: West to southwesterly around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre later in the evening.
Forecast for Saturday, 20 June
Weather: Partly cloudy. 70% chance of showers.
Winds: Southerly 15 to 20 knots turning southeasterly 10 to 15 knots during the day.
Seas: Around 1 metre.
Swell: West to southwesterly around 1 metre, increasing to 1.5 to 2.5 metres through the Backstairs Passage.

Forecast for Wednesday, 17 June
Weather: Cloudy. Near 100% chance of rain. The chance of a thunderstorm north of Port MacDonnell later this evening.
Winds: North to northeasterly 15 to 20 knots, reaching up to 30 knots offshore in the late evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres later in the evening.
Forecast for Thursday, 18 June
Weather: Partly cloudy. Near 100% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Northerly 20 to 30 knots tending northwesterly 20 to 25 knots in the early morning then increasing to 20 to 30 knots in the middle of the day.
Seas: 2 to 3 metres.
Swell: Southwesterly 1.5 metres.
Forecast for Friday, 19 June
Weather: Cloudy. 95% chance of showers.
Winds: Northwesterly 20 to 30 knots shifting southerly in the middle of the day.
Seas: 2 to 2.5 metres.
Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning, then increasing to 3 to 4 metres during the afternoon.
Forecast for Saturday, 20 June
Weather: Cloudy. 70% chance of showers.
Winds: Southerly 15 to 25 knots decreasing to 10 to 15 knots during the day.
Seas: 1.5 to 2.5 metres, decreasing to 1 metre during the afternoon.
Swell: Southerly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore.

Forecast for Wednesday, 17 June
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm inshore early this evening.
Winds: Northwesterly 20 to 25 knots, reaching up to 30 knots in the late evening.
Seas: 2 metres.
Swell: Southwesterly 2 metres.
Forecast for Thursday, 18 June
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Winds: Northwesterly 25 to 30 knots turning southwesterly in the late afternoon.
Seas: 2 to 3 metres, increasing to 2 to 4 metres during the morning.
Swell: West to southwesterly 1.5 to 2.5 metres inshore, increasing to 2 to 4 metres offshore by early evening.
Forecast for Friday, 19 June
Weather: Partly cloudy. 95% chance of showers.
Winds: Southwesterly 25 to 30 knots turning southerly 15 to 20 knots in the afternoon.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 3 to 4 metres, decreasing to 3 metres around midday.
Forecast for Saturday, 20 June
Weather: Partly cloudy. 70% chance of showers.
Winds: Southerly 15 to 20 knots turning southeasterly 10 to 15 knots during the morning.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 2.5 to 3 metres. Southeast to southwesterly around 1 metre, tending south to southwesterly 1 to 2 metres during the afternoon or evening.

Forecast for Wednesday, 17 June
Weather: Cloudy. 95% chance of rain. The chance of a thunderstorm.
Winds: Northerly 15 to 25 knots, reaching up to 30 knots west of Kangaroo Island in the late afternoon.
Seas: 1.5 to 2 metres.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Thursday, 18 June
Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Winds: Northwesterly 15 to 25 knots, reaching up to 30 knots during the day. Winds turning west to southwesterly 20 to 25 knots during the afternoon and evening.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 1.5 metres.
Forecast for Friday, 19 June
Weather: Cloudy. 95% chance of showers.
Winds: Southwesterly 20 to 30 knots turning southerly 20 to 25 knots in the afternoon.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 1.5 metres, increasing to 2 to 3 metres during the morning.
Forecast for Saturday, 20 June
Weather: Partly cloudy. 70% chance of showers.
Winds: Southerly 15 to 20 knots turning southeasterly 10 to 15 knots during the day.
Seas: 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: South to southwesterly 3 to 4 metres, decreasing to 2 to 3 metres during the afternoon. Below 0.5 metres, tending southeast to southwesterly 1 to 2 metres during the morning.

Forecast for Wednesday, 17 June
Weather: Cloudy. 95% chance of rain. The chance of a thunderstorm.
Winds: North to northeasterly 15 to 20 knots, reaching up to 25 knots south of Cowell to Wallaroo in the late afternoon. Winds tending north to northwesterly in the late afternoon.
Seas: 1 to 2 metres, decreasing below 1.5 metres later in the evening.
Swell: South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
Forecast for Thursday, 18 June
Weather: Becoming cloudy. 80% chance of showers.
Winds: North to northwesterly 15 to 25 knots, reaching up to 30 knots during the day. Winds tending west to northwesterly 20 to 25 knots in the late evening.
Seas: 1.5 to 2.5 metres.
Swell: South to southwesterly around 1 metre.
Forecast for Friday, 19 June
Weather: Partly cloudy. 95% chance of showers.
Winds: West to southwesterly 20 to 30 knots tending south to southwesterly 15 to 20 knots during the day.
Seas: 1.5 to 2.5 metres.
Swell: South to southwesterly below 1 metre, increasing to 1 to 2 metres during the morning.
Forecast for Saturday, 20 June
Weather: Partly cloudy. 70% chance of showers.
Winds: Southerly 15 to 20 knots turning southeasterly 10 to 15 knots during the evening.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon or evening.
Swell: South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.

Forecast for Wednesday, 17 June
Weather: Cloudy. Near 100% chance of rain. The chance of a thunderstorm later this evening.
Winds: North to northeasterly 15 to 25 knots, reaching up to 30 knots offshore in the late evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres later in the evening.
Forecast for Thursday, 18 June
Weather: Partly cloudy. 90% chance of showers.
Winds: Northerly 20 to 25 knots turning northwesterly 15 to 25 knots before dawn. Winds reaching up to 30 knots during the afternoon and evening.
Seas: 1.5 to 2 metres, decreasing to 1.5 metres during the morning, then increasing to 2 to 2.5 metres around midday.
Swell: Southwesterly 1 to 1.5 metres.
Forecast for Friday, 19 June
Weather: Cloudy. Near 100% chance of showers.
Winds: North to northwesterly 20 to 25 knots shifting south to southwesterly 15 to 25 knots during the morning.
Seas: 1 to 2 metres.
Swell: Southwesterly 1.5 metres, increasing to 2 to 3 metres around midday.
Forecast for Saturday, 20 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southerly 15 to 20 knots turning southeasterly 10 to 15 knots during the day.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: South to southwesterly 2.5 to 3 metres. South to southwesterly around 1 metre.

Forecast for Wednesday, 17 June
Weather: Partly cloudy. 60% chance of showers.
Winds: Northwesterly 20 to 30 knots.
Seas: 2 to 2.5 metres.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Thursday, 18 June
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm from the late morning.
Winds: Northwesterly 25 to 30 knots turning west to southwesterly in the late morning and early afternoon.
Seas: 2 to 3 metres.
Swell: Southwesterly 1.5 to 2 metres, tending westerly 1 to 2 metres during the morning, then tending southwesterly 2 to 4 metres during the afternoon.
Forecast for Friday, 19 June
Weather: Partly cloudy. 95% chance of showers.
Winds: Southwesterly 25 to 30 knots tending south to southwesterly 15 to 25 knots in the early morning.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 3 to 4 metres, decreasing to 3 metres during the afternoon.
Forecast for Saturday, 20 June
Weather: Partly cloudy. 60% chance of showers.
Winds: Southerly 15 to 20 knots turning southeasterly 10 to 15 knots during the morning.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon.
Swell: Southwesterly 2.5 to 3 metres, tending southerly 2.5 to 3 metres during the evening.
Port Augusta
▲ N
12 kn NNE
· 16 °C
Warnings
No warnings within 100 km.
State Wide
Marine Severe
View all SA warnings
Temperature
Stephenston
16 °C 20 °C 12pm 14 °C 11pm
↓ Cooling
Now: 16 °C
Tides
Port Augusta
2:36pm 1.72m 8:32pm 3.79m
↑ Rising
Current: 2.24m
Weather Now for Stephenston
Rain.
16 °C
Feels like 14 °C
Wind
12 kn NNE
Humidity
95%
Pressure
1013 hPa
At Port Augusta
Nearby Wind
50 km radius
N S W E 12 kn Port Augusta
Stephenston
12 kn NNE
Recent Locations
Stephenston
12 kn NNE
 16°
Gap Ridge
6 kn NE
 24°
Sun
7:17am rise 5:19pm set
10 h 1 m of daylight
Now: 4:34pm
12 seconds less than yesterday
Moon
9:21am rise 7:33pm set
7% illuminated
Waxing Crescent
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 16°
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