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BoM Twelve Mile Marine Weather Forecast

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Other NSW Coastal Waters Forecasts

Forecast for Tuesday, 23 June
Weather: Mostly clear.
Winds: Southwesterly about 10 knots, reaching up to 20 knots offshore.
Seas: Below 0.5 metres, increasing to below 1 metre offshore.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southwesterly 15 to 20 knots, reaching up to 25 knots offshore during the day. Winds tending southerly in the early 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 during the afternoon, then increasing to 1 to 1.5 metres by early evening.
Forecast for Thursday, 25 June
Weather: Partly cloudy. 70% chance of showers.
Winds: South to southeasterly 10 to 15 knots tending east to southeasterly below 10 knots during the day.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Friday, 26 June
Weather: Partly cloudy.
Winds: Variable below 10 knots.
Seas: Below 0.5 metres.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon or evening. East to southeasterly around 1 metre.

Forecast for Tuesday, 23 June
Weather: Partly cloudy.
Winds: Southerly 15 to 20 knots.
Seas: 1.5 metres.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Cape Byron.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 70% chance of showers.
Winds: Southerly 15 to 20 knots, reaching up to 25 knots offshore south of Yamba in the late evening.
Seas: 1 to 1.5 metres.
Swell: Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres around midday.
Forecast for Thursday, 25 June
Weather: Partly cloudy. 90% chance of showers.
Winds: Southerly 15 to 25 knots turning southeasterly in the early morning.
Seas: 1.5 to 2 metres.
Swell: Southerly 1 to 1.5 metres, increasing to 1.5 to 2 metres south of Cape Byron during the afternoon.
Forecast for Friday, 26 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southeasterly 1.5 metres.

Forecast for Tuesday, 23 June
Weather: Partly cloudy.
Winds: Southerly 15 to 20 knots.
Seas: 1.5 metres.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore north of Coffs Harbour.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 70% chance of showers.
Winds: Southerly 15 to 20 knots, reaching up to 25 knots offshore north of Coffs Harbour in the late evening.
Seas: 1 to 1.5 metres.
Swell: Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre by early evening.
Forecast for Thursday, 25 June
Weather: Partly cloudy. 90% chance of showers.
Winds: Southerly 20 to 25 knots turning southeasterly 15 to 25 knots early in the morning.
Seas: 1.5 to 2 metres, decreasing below 1.5 metres by early evening.
Swell: Southerly 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning, then decreasing to 1.5 metres later in the evening.
Forecast for Friday, 26 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southeasterly 10 to 15 knots decreasing to about 10 knots during the evening.
Seas: Around 1 metre.
Swell: Southeasterly 1.5 metres.

Forecast for Tuesday, 23 June
Weather: Mostly clear.
Winds: Southwesterly 10 to 15 knots, reaching up to 25 knots offshore.
Seas: Around 1 metre, increasing to 1 to 2 metres offshore.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southwesterly 15 to 20 knots, reaching up to 25 knots offshore during the day.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning, then increasing to 1 to 1.5 metres around midday.
Forecast for Thursday, 25 June
Weather: Partly cloudy. 60% chance of showers.
Winds: Southeast to southwesterly 10 to 15 knots becoming east to southeasterly about 10 knots in the early morning.
Seas: Around 1 metre.
Swell: Southerly 1 to 1.5 metres.
Forecast for Friday, 26 June
Weather: Partly cloudy.
Winds: Variable below 10 knots.
Seas: Below 0.5 metres.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon. East to southeasterly around 1 metre.

Forecast for Tuesday, 23 June
Weather: Partly cloudy.
Winds: Southwesterly 10 to 15 knots.
Seas: Around 1 metre.
Swell: Southerly 1.5 to 2 metres.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 90% chance of showers.
Winds: Southwesterly 10 to 15 knots turning south to southeasterly 15 to 20 knots in the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres around midday.
Swell: Southerly 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 Thursday, 25 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon.
Swell: Southerly 1.5 to 2.5 metres.
Forecast for Friday, 26 June
Weather: Partly cloudy. 70% chance of showers.
Winds: Southeasterly 10 to 15 knots decreasing to about 10 knots during the morning.
Seas: Below 1 metre.
Swell: Southerly 1.5 metres. East to southeasterly 1 to 1.5 metres.

Forecast for Tuesday, 23 June
Weather: Mostly clear.
Winds: South to southwesterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 90% chance of showers.
Winds: Southwesterly 15 to 20 knots, reaching up to 25 knots offshore in the late morning and afternoon. Winds turning south to southeasterly during the afternoon and evening.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore north of Port Kembla.
Forecast for Thursday, 25 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southeasterly 15 to 20 knots decreasing to about 10 knots in the late evening.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore north of Port Kembla.
Forecast for Friday, 26 June
Weather: Partly cloudy. 60% chance of showers.
Winds: Southeasterly about 10 knots.
Seas: Below 1 metre.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Point Perpendicular. Easterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Port Kembla.

Forecast for Tuesday, 23 June
Weather: Partly cloudy.
Winds: South to southwesterly 10 to 15 knots, reaching up to 20 knots offshore north of Crowdy Head.
Seas: 1 to 1.5 metres.
Swell: Southerly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Crowdy Head.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southwesterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Crowdy Head.
Forecast for Thursday, 25 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre by early evening.
Swell: Southerly 1.5 to 2 metres, decreasing to 1.5 metres later in the evening.
Forecast for Friday, 26 June
Weather: Partly cloudy. 70% chance of showers.
Winds: Southeasterly 10 to 15 knots decreasing to about 10 knots during the evening.
Seas: Below 1 metre.
Swell: East to southeasterly 1 to 1.5 metres. Southerly below 1 metre, increasing to 1 to 1.5 metres south of Crowdy Head.

Forecast for Tuesday, 23 June
Weather: Partly cloudy.
Winds: South to southwesterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southerly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 90% chance of showers.
Winds: Southwesterly 15 to 20 knots turning south to southeasterly in the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres around midday.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore.
Forecast for Thursday, 25 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southeasterly 15 to 20 knots.
Seas: Around 1 metre.
Swell: Southerly 1.5 to 2.5 metres.
Forecast for Friday, 26 June
Weather: Partly cloudy. 80% chance of showers.
Winds: East to southeasterly about 10 knots.
Seas: Below 1 metre.
Swell: Southerly 1 to 1.5 metres. Easterly 1 to 1.5 metres, tending southeasterly 1 to 1.5 metres during the morning.
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