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BoM Grevillia Marine Weather Forecast

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Forecast for Wednesday, 23 September
Weather: Cloudy. 80% chance of showers.
Winds: Northeasterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore during the morning.
Swell: Southerly 1.5 to 2 metres, decreasing to 1.5 metres around midday.
Forecast for Thursday, 24 September
Weather: Partly cloudy.
Winds: North to northeasterly 15 to 20 knots tending north to northwesterly 10 to 15 knots in the early morning then tending north to northeasterly 15 to 25 knots in the morning. Winds reaching up to 30 knots in the evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1.5 to 2.5 metres during the afternoon.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Friday, 25 September
Weather: Mostly sunny.
Winds: Northerly 20 to 30 knots decreasing to 10 to 15 knots during the afternoon.
Seas: 1.5 to 2.5 metres, decreasing to 1 metre during the evening.
Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the evening.

Forecast for Wednesday, 23 September
Weather: Partly cloudy.
Winds: Easterly 10 to 15 knots, reaching up to 20 knots offshore north of Cape Byron during the morning.
Seas: Around 1 metre.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre by early evening. Easterly around 1 metre, tending southeasterly 1 to 1.5 metres during the morning, then decreasing to around 1 metre around midday.
Forecast for Thursday, 24 September
Weather: Partly cloudy.
Winds: Easterly 10 to 15 knots, reaching up to 20 knots offshore north of Yamba during the day.
Seas: Around 1 metre.
Swell: Southerly around 1 metre. Easterly around 1 metre.
Forecast for Friday, 25 September
Weather: Partly cloudy.
Winds: Easterly 10 to 15 knots turning northeasterly during the day.
Seas: Below 1 metre.
Swell: Easterly 1 to 1.5 metres.

Forecast for Wednesday, 23 September
Weather: Partly cloudy.
Winds: Easterly 10 to 15 knots, reaching up to 20 knots south of Coffs Harbour during the morning and early afternoon. Winds turning northeasterly during the day.
Seas: Around 1 metre, increasing to 1 to 1.5 metres inshore during the morning.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore north of Coffs Harbour. East to southeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning.
Forecast for Thursday, 24 September
Weather: Partly cloudy.
Winds: Northeasterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Coffs Harbour during the morning.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Easterly around 1 metre.
Forecast for Friday, 25 September
Weather: Partly cloudy.
Winds: Northeasterly 10 to 15 knots turning northerly 15 to 20 knots during the day.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening.
Swell: Easterly around 1 metre.

Forecast for Wednesday, 23 September
Weather: Cloudy. 50% chance of showers.
Winds: Northeasterly 15 to 20 knots, reaching up to 25 knots inshore in the late afternoon. Winds turning northerly in the late evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Southerly 1.5 to 2.5 metres, decreasing to 1.5 metres by early evening.
Forecast for Thursday, 24 September
Weather: Partly cloudy.
Winds: Northerly 15 to 25 knots, reaching up to 30 knots offshore in the evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the afternoon.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre around midday.
Forecast for Friday, 25 September
Weather: Partly cloudy.
Winds: Northerly 20 to 30 knots tending north to northwesterly 15 to 20 knots during the morning then becoming variable about 10 knots during the day.
Seas: 1.5 to 2.5 metres, decreasing to 1 metre during the morning.
Swell: North to northeasterly 1 to 1.5 metres, increasing to 1 to 2 metres during the afternoon or evening. Southerly around 1 metre.

Forecast for Wednesday, 23 September
Weather: Cloudy. 60% chance of showers.
Winds: Northeasterly 15 to 25 knots.
Seas: 1.5 metres, increasing to 1.5 to 2 metres during the morning.
Swell: Southerly 1.5 to 2.5 metres.
Forecast for Thursday, 24 September
Weather: Partly cloudy.
Winds: Northeasterly 20 to 25 knots.
Seas: 1.5 to 2 metres.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre later in the evening.
Forecast for Friday, 25 September
Weather: Sunny.
Winds: Northerly 20 to 25 knots.
Seas: 1.5 to 2 metres.
Swell: Southerly around 1 metre.

Forecast for Wednesday, 23 September
Weather: Cloudy. 90% chance of showers.
Winds: Easterly 15 to 20 knots turning northeasterly during the morning. Winds reaching up to 25 knots offshore north of Port Kembla during the afternoon and evening.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore north of Port Kembla.
Swell: Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres later in the evening.
Forecast for Thursday, 24 September
Weather: Partly cloudy.
Winds: North to northeasterly 15 to 25 knots, reaching up to 30 knots offshore north of Port Kembla during the afternoon and evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
Swell: Southerly around 1 metre.
Forecast for Friday, 25 September
Weather: Sunny.
Winds: Northerly 15 to 25 knots.
Seas: 1 to 2 metres.
Swell: Northeasterly around 1 metre.

Forecast for Wednesday, 23 September
Weather: Cloudy.
Winds: Northeasterly 15 to 20 knots, reaching up to 25 knots south of Crowdy Head in the late morning and afternoon.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres south of Crowdy Head.
Swell: Southerly 1.5 to 2.5 metres. Southeasterly 1 to 1.5 metres, tending easterly below 1 metre during the morning.
Forecast for Thursday, 24 September
Weather: Partly cloudy.
Winds: Northeasterly 15 to 20 knots, reaching up to 25 knots south of Crowdy Head in the afternoon.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
Forecast for Friday, 25 September
Weather: Cloud clearing.
Winds: Northerly 15 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
Swell: Southerly around 1 metre.

Forecast for Wednesday, 23 September
Weather: Cloudy. 90% chance of showers.
Winds: Northeasterly 15 to 20 knots, reaching up to 25 knots offshore during the afternoon and evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
Swell: Southerly 2 to 2.5 metres, decreasing to 1 to 1.5 metres later in the evening.
Forecast for Thursday, 24 September
Weather: Partly cloudy.
Winds: Northeasterly 15 to 25 knots, reaching up to 30 knots offshore in the late afternoon. Winds tending northerly 20 to 25 knots in the late evening.
Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2.5 metres around midday.
Swell: Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Friday, 25 September
Weather: Sunny.
Winds: Northerly 15 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
Swell: Southerly below 1 metre.
Grevillia
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