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BoM Jamestown 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. 90% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Winds: East to northeasterly 15 to 20 knots, reaching up to 25 knots inshore in the late afternoon. Winds shifting west to northwesterly in the evening.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Saturday, 31 October
Weather: Partly cloudy.
Winds: Westerly 15 to 25 knots decreasing to about 10 knots in the late evening.
Seas: 1 to 2 metres, decreasing to 1 metre around midday.
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: 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. 80% chance of showers. A thunderstorm likely with possible squalls.
Winds: Easterly 15 to 20 knots, reaching up to 30 knots offshore in the evening. Winds turning northeasterly in the late evening.
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 1.5 metres, increasing to 1 to 2 metres offshore.
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 easterly 15 to 20 knots in the middle of the day.
Seas: Below 1 metre, decreasing below 0.5 metres during the morning, then increasing to around 1 metre around midday.
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 shifting southwesterly during the morning then tending southerly 10 to 15 knots during the evening.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 1 to 1.5 metres.

Forecast for Thursday, 29 October
Weather: Clear.
Winds: Southerly 10 to 15 knots turning easterly in the evening.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Friday, 30 October
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the late afternoon and evening.
Winds: Northeasterly 15 to 20 knots turning northerly in the morning. Winds reaching up to 25 knots near the Yorke Peninsula coast in the early afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Port Vincent to Brighton during the morning.
Swell: West to southwesterly below 0.5 metres.
Forecast for Saturday, 31 October
Weather: Cloud clearing.
Winds: Northwesterly 15 to 20 knots turning southwesterly in the late morning.
Seas: 1 to 1.5 metres, decreasing to 1 metre around midday.
Swell: Southeast to southwesterly below 0.5 metres.
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 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: East to southeasterly 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. 80% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: East to northeasterly 10 to 15 knots tending north to northeasterly 15 to 20 knots in the early morning then tending north to northwesterly in the late evening. Winds reaching up to 25 knots inshore in the early afternoon.
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: Northwesterly 15 to 20 knots turning westerly 15 to 25 knots early in the morning then decreasing to 10 to 15 knots in the evening.
Seas: 1 to 2 metres, decreasing below 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 easterly 10 to 15 knots during the day.
Seas: Below 1 metre.
Swell: West to southwesterly below 1 metre.

Forecast for Thursday, 29 October
Weather: Partly cloudy.
Winds: Variable about 10 knots.
Seas: Below 0.5 metres.
Swell: Southwesterly 3 metres, increasing to 3 to 4 metres south of Port MacDonnell.
Forecast for Friday, 30 October
Weather: Mostly sunny morning. 50% chance of showers in the evening. The chance of a thunderstorm in the evening.
Winds: Easterly 10 to 15 knots turning northerly in the late morning. Winds reaching up to 20 knots offshore in the late morning.
Seas: Below 1 metre, increasing to 1 to 1.5 metres north of Port MacDonnell during the morning.
Swell: Southwesterly 2 to 3 metres.
Forecast for Saturday, 31 October
Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the early morning.
Winds: Northerly 15 to 20 knots turning westerly 15 to 25 knots in the early morning.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
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: Southeasterly 15 to 20 knots turning easterly in the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres by early evening.
Swell: South to southwesterly 2 to 2.5 metres.
Forecast for Friday, 30 October
Weather: Partly cloudy. 90% chance of showers. A thunderstorm likely in the morning and afternoon.
Winds: Northeasterly 15 to 20 knots shifting west to northwesterly in the late afternoon.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Saturday, 31 October
Weather: Partly cloudy.
Winds: Westerly 15 to 20 knots becoming variable about 10 knots in the late afternoon.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
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: Around 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.

Forecast for Thursday, 29 October
Weather: Clear.
Winds: Easterly 10 to 15 knots, reaching up to 20 knots west of Kangaroo Island in the late evening.
Seas: Around 1 metre.
Swell: Southwesterly 3 metres.
Forecast for Friday, 30 October
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: East to northeasterly 15 to 20 knots turning north to northwesterly during the day. Winds reaching up to 25 knots west of Kangaroo Island in the late morning and early afternoon.
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 before dawn.
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. 70% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Variable about 10 knots becoming easterly 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: East to southeasterly 10 to 15 knots, reaching up to 20 knots south of Cowell to Wallaroo in the late evening.
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: Easterly 15 to 20 knots tending northeasterly before dawn then turning north to northwesterly in the late morning and afternoon.
Seas: 1 to 1.5 metres.
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: Cloud clearing.
Winds: Northwesterly 15 to 20 knots tending westerly 15 to 25 knots before dawn then tending southeast to southwesterly 10 to 15 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: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Variable about 10 knots becoming easterly 15 to 20 knots during the morning.
Seas: Around 1 metre.
Swell: South to southwesterly around 1 metre.

Forecast for Thursday, 29 October
Weather: Clear.
Winds: South to southeasterly 10 to 15 knots tending east to southeasterly in the evening.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Friday, 30 October
Weather: Mostly sunny morning. 60% 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 late morning.
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. The chance of a thunderstorm south of Salt Creek in the early morning.
Winds: North to northwesterly 15 to 20 knots turning westerly in the early morning.
Seas: 1 to 1.5 metres, decreasing to 1 metre later in the evening.
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. 70% chance of showers. The chance of a thunderstorm in the evening.
Winds: Westerly 10 to 15 knots becoming variable below 10 knots during the morning then becoming easterly 10 to 15 knots during the afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2 metres.

Forecast for Thursday, 29 October
Weather: Partly cloudy. The chance of a thunderstorm.
Winds: East to southeasterly 10 to 15 knots, reaching up to 20 knots offshore during the afternoon and evening. Winds turning northeasterly in the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres offshore by early evening.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Friday, 30 October
Weather: Partly cloudy. 95% chance of showers. A thunderstorm likely in the morning and afternoon.
Winds: North to northeasterly 15 to 20 knots, reaching up to 25 knots south of Streaky Bay during the morning. Winds shifting westerly in the middle of the day.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
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 during the afternoon and 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. 50% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Winds: Easterly 10 to 15 knots shifting south to southwesterly during the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 1 to 1.5 metres.
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