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BoM Rochester Marine Weather Forecast

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Forecast for Tuesday, 26 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots.
Seas: Around 1 metre.
Swell: Southeasterly 1 to 1.5 metres, increasing to 2 metres in the west. Southwesterly 1.5 metres.
Forecast for Wednesday, 27 May
Weather: Partly cloudy. 50% chance of showers.
Winds: Southeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southeasterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Southwesterly 1.5 metres.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming northwesterly 10 to 15 knots in the evening.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres. Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Friday, 29 May
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northwesterly 15 to 20 knots turning westerly during the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres in the west during the evening.

Forecast for Tuesday, 26 May
Weather: Partly cloudy.
Winds: Southerly 15 to 20 knots.
Seas: 1.5 metres.
Swell: Southerly 2 metres. Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Wednesday, 27 May
Weather: Partly cloudy.
Winds: South to southeasterly 15 to 20 knots decreasing to about 10 knots in the morning.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell: Southerly 2 to 2.5 metres, tending southeasterly 1.5 to 2 metres during the morning. Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Variable below 10 knots becoming northerly 10 to 15 knots in the early morning.
Seas: Below 1 metre.
Swell: Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Southwesterly around 1 metre.
Forecast for Friday, 29 May
Weather: Mostly sunny.
Winds: North to northwesterly 10 to 15 knots turning west to southwesterly 15 to 20 knots during the morning.
Seas: Around 1 metre.
Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the afternoon or evening.

Forecast for Tuesday, 26 May
Weather: Partly cloudy.
Winds: East to southeasterly about 10 knots.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Wednesday, 27 May
Weather: Partly cloudy. 60% chance of showers.
Winds: South to southeasterly about 10 knots.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Variable below 10 knots.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Friday, 29 May
Weather: Partly cloudy. 70% chance of showers.
Winds: North to northwesterly 10 to 15 knots tending west to northwesterly during the day.
Seas: Around 1 metre.
Swell: South to southwesterly below 0.5 metres.

Forecast for Tuesday, 26 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: West to southwesterly below 1 metre.
Forecast for Wednesday, 27 May
Weather: Partly cloudy. 50% chance of showers.
Winds: Southeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: West to southwesterly below 1 metre.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots becoming variable below 10 knots in the early morning.
Seas: Below 1 metre.
Swell: West to southwesterly below 1 metre.
Forecast for Friday, 29 May
Weather: Cloudy. 90% chance of showers.
Winds: Northwesterly 15 to 20 knots turning westerly during the afternoon.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: West to southwesterly around 1 metre.

Forecast for Tuesday, 26 May
Weather: Partly cloudy.
Winds: Easterly 10 to 15 knots, reaching up to 20 knots south of Beachport.
Seas: Below 1 metre, increasing to 1.5 to 2 metres south of Beachport.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2 metres north of Port MacDonnell. Southeasterly 1 to 1.5 metres, increasing to 1.5 to 2 metres south of Port MacDonnell.
Forecast for Wednesday, 27 May
Weather: Partly cloudy.
Winds: East to southeasterly 15 to 20 knots, reaching up to 25 knots south of Port MacDonnell early in the morning. Winds tending south to southeasterly 10 to 15 knots during the morning and early afternoon.
Seas: 1 to 2 metres, decreasing to 1 metre by early evening.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2 metres north of Port MacDonnell. Southeasterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Southerly below 10 knots becoming west to southwesterly in the early morning.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres. South to southeasterly around 1 metre, increasing to 1 to 1.5 metres south of Port MacDonnell.
Forecast for Friday, 29 May
Weather: Cloudy. 95% chance of showers.
Winds: Northwesterly 15 to 20 knots turning westerly during the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Southwesterly 1 to 1.5 metres.

Forecast for Tuesday, 26 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots, reaching up to 20 knots offshore.
Seas: Around 1 metre, increasing to 1.5 to 2 metres offshore.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Southwesterly 1.5 metres.
Forecast for Wednesday, 27 May
Weather: Mostly sunny.
Winds: Southeasterly 10 to 15 knots tending southerly in the middle of the day then becoming variable below 10 knots in the evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: South to southeasterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Southwesterly 1.5 metres.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: East to southeasterly below 10 knots becoming north to northeasterly in the early morning then tending northwesterly 10 to 15 knots in the middle of the day.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres. Southeasterly around 1 metre.
Forecast for Friday, 29 May
Weather: Partly cloudy. 80% chance of showers.
Winds: Northwesterly 15 to 20 knots turning westerly during the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1 to 1.5 metres.

Forecast for Tuesday, 26 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southeasterly 1.5 to 2 metres. Southwesterly 1.5 metres.
Forecast for Wednesday, 27 May
Weather: Partly cloudy. 70% chance of showers.
Winds: Southeasterly about 10 knots increasing to 15 to 20 knots before dawn.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre by early evening.
Swell: Southeasterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres around midday. Southwesterly 1.5 metres.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots becoming variable about 10 knots in the early morning then becoming north to northwesterly 10 to 15 knots in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres. Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Friday, 29 May
Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the morning.
Winds: North to northwesterly 10 to 15 knots turning westerly 15 to 20 knots during the day.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.

Forecast for Tuesday, 26 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots.
Seas: Below 0.5 metres, increasing to below 1 metre south of Cowell to Wallaroo.
Swell: South to southwesterly below 1 metre.
Forecast for Wednesday, 27 May
Weather: Partly cloudy. 60% chance of showers.
Winds: Southeasterly 10 to 15 knots tending southeast to southwesterly in the early afternoon then tending southeasterly in the evening.
Seas: Below 1 metre.
Swell: South to southwesterly below 1 metre.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots becoming variable below 10 knots in the early morning.
Seas: Below 1 metre.
Swell: South to southwesterly below 1 metre.
Forecast for Friday, 29 May
Weather: Partly cloudy. 50% chance of showers.
Winds: Northwesterly 10 to 15 knots turning westerly 15 to 20 knots during the afternoon.
Seas: Below 0.5 metres, increasing to around 1 metre during the morning.
Swell: South to southwesterly below 1 metre.

Forecast for Tuesday, 26 May
Weather: Cloudy.
Winds: East to southeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres. Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Wednesday, 27 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots, reaching up to 20 knots offshore during the morning and early afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre by early evening.
Swell: Southwesterly 1.5 metres. South to southeasterly 1 to 1.5 metres, decreasing below 1 metre during the afternoon.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots becoming variable below 10 knots before dawn.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres.
Forecast for Friday, 29 May
Weather: Cloudy. 90% chance of showers.
Winds: Northwesterly 15 to 20 knots turning westerly during the afternoon.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Southwesterly 1 to 1.5 metres.

Forecast for Tuesday, 26 May
Weather: Partly cloudy.
Winds: South to southeasterly 15 to 20 knots, reaching up to 25 knots south of Streaky Bay.
Seas: 1.5 metres, increasing to 1.5 to 2 metres south of Streaky Bay.
Swell: Southerly 1.5 to 2 metres. Southwesterly 1.5 metres.
Forecast for Wednesday, 27 May
Weather: Sunny.
Winds: South to southeasterly 15 to 20 knots decreasing to about 10 knots in the morning.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell: Southerly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon. Southwesterly 1 to 1.5 metres.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming northerly 10 to 15 knots in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly around 1 metre, increasing to 1 to 1.5 metres south of Streaky Bay. South to southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Friday, 29 May
Weather: Partly cloudy.
Winds: North to northwesterly 15 to 20 knots turning westerly during the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Streaky Bay during the morning.
Swell: Southwesterly around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Clare
▲ N
2 kn ESE
· 8 °C
Warnings
No warnings within 100 km.
State Wide
View all SA warnings
Temperature
Rochester
8 °C 16 °C 2pm 6 °C 2am
↓ Cooling
Now: 8 °C
Weather Now for Rochester
Partly cloudy.
8 °C
Feels like 6 °C
Wind
2 kn ESE
Humidity
93%
Pressure
1018 hPa
At Clare
Nearby Wind
50 km radius
N S W E 2 kn Clare 3 kn Snowtown
Rochester
2 kn ESE
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 8°
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Boomanoomana -
Sun
7:08am rise 5:18pm set
10 h 9 m of daylight
Now: 10:59pm
66 seconds less than yesterday
Moon
2:11pm rise 2:11am set
80% illuminated
Waxing Gibbous
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