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BoM Marchmont Marine Weather Forecast

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Mean Sea Level Prognosis Charts

Mean Sea Level Prognosis Charts

Other NSW Coastal Waters Forecasts

Forecast for Thursday, 18 June
Weather: Mostly clear.
Winds: Northerly 15 to 25 knots.
Seas: 1 to 2 metres.
Swell: Northeasterly below 1 metre.
Forecast for Friday, 19 June
Weather: Partly cloudy. 50% chance of showers.
Winds: Northerly 20 to 25 knots, reaching up to 30 knots offshore north of Moruya Heads during the morning. Winds tending northwesterly 15 to 25 knots in the early afternoon.
Seas: 1.5 to 2.5 metres.
Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore around midday.
Forecast for Saturday, 20 June
Weather: Mostly sunny. 60% chance of showers.
Winds: West to northwesterly 15 to 25 knots turning south to southwesterly 10 to 15 knots in the early afternoon.
Seas: 1 to 2 metres, decreasing to 1 metre around midday.
Swell: Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore during the afternoon. Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Sunday, 21 June
Weather: Partly cloudy. 80% chance of showers.
Winds: South to southwesterly 10 to 15 knots decreasing to about 10 knots during the evening.
Seas: Below 1 metre.
Swell: Southerly 1 to 1.5 metres.

Forecast for Thursday, 18 June
Weather: Partly cloudy.
Winds: Northerly 10 to 15 knots, reaching up to 20 knots south of Cape Byron during the afternoon and evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres south of Cape Byron.
Swell: Easterly around 1 metre, increasing to 1 to 1.5 metres north of Yamba.
Forecast for Friday, 19 June
Weather: Partly cloudy.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore south of Yamba in the early afternoon.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore south of Yamba.
Swell: Easterly around 1 metre, increasing to 1 to 1.5 metres north of Yamba.
Forecast for Saturday, 20 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Northerly 15 to 20 knots tending northwesterly before dawn then becoming variable about 10 knots in the morning.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell: East to northeasterly around 1 metre.
Forecast for Sunday, 21 June
Weather: Cloudy. 95% chance of showers.
Winds: Variable about 10 knots becoming southeast to southwesterly 10 to 15 knots during the morning then becoming variable about 10 knots during the evening.
Seas: Below 1 metre.
Swell: Easterly around 1 metre.

Forecast for Thursday, 18 June
Weather: Mostly clear.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore south of Coffs Harbour during the afternoon and evening.
Seas: 1.5 metres, increasing to 1.5 to 2 metres offshore south of Coffs Harbour.
Swell: East to northeasterly around 1 metre.
Forecast for Friday, 19 June
Weather: Mostly sunny.
Winds: Northerly 15 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
Swell: East to northeasterly around 1 metre.
Forecast for Saturday, 20 June
Weather: Partly cloudy. 70% chance of showers.
Winds: Northwesterly 15 to 20 knots turning west to southwesterly 10 to 15 knots during the morning then becoming variable below 10 knots in the early afternoon.
Seas: 1 to 2 metres, decreasing to 1 metre during the morning.
Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning.
Forecast for Sunday, 21 June
Weather: Cloudy. 90% chance of showers.
Winds: South to southeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Easterly below 1 metre.

Forecast for Thursday, 18 June
Weather: Partly cloudy.
Winds: Northerly 20 to 25 knots, reaching up to 30 knots offshore in the late evening.
Seas: 1.5 to 2 metres.
Swell: Southerly below 1 metre.
Forecast for Friday, 19 June
Weather: Partly cloudy.
Winds: Northerly 20 to 25 knots, reaching up to 30 knots during the morning. Winds turning west to northwesterly 15 to 20 knots in the evening.
Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres later in the evening.
Swell: Northeasterly around 1 metre, increasing to 1 to 1.5 metres by early evening. Southerly around 1 metre.
Forecast for Saturday, 20 June
Weather: Becoming cloudy. 80% chance of showers. The chance of a thunderstorm offshore in the late afternoon and evening.
Winds: West to northwesterly 15 to 20 knots turning south to southwesterly 15 to 25 knots in the late morning and early afternoon.
Seas: 1 to 1.5 metres.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore south of Merimbula during the morning. Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Sunday, 21 June
Weather: Cloudy. 90% chance of showers.
Winds: Southerly 10 to 15 knots.
Seas: Around 1 metre.
Swell: Southerly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.

Forecast for Thursday, 18 June
Weather: Mostly clear.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore north of Port Stephens in the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres offshore by early evening.
Swell: Northeasterly around 1 metre.
Forecast for Friday, 19 June
Weather: Partly cloudy. 60% chance of showers.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore north of Port Stephens during the morning and early afternoon. Winds turning northwesterly in the afternoon.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Northeasterly around 1 metre.
Forecast for Saturday, 20 June
Weather: Mostly sunny.
Winds: Northwesterly 15 to 20 knots turning westerly early in the morning.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Southerly around 1 metre.
Forecast for Sunday, 21 June
Weather: Partly cloudy. 50% chance of showers.
Winds: Westerly 10 to 15 knots turning southwesterly below 10 knots during the morning.
Seas: Below 1 metre.
Swell: Southerly around 1 metre, increasing to 1 to 1.5 metres during the morning.

Forecast for Thursday, 18 June
Weather: Mostly clear.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore south of Port Kembla in the late evening.
Seas: 1 to 1.5 metres.
Swell: Northeasterly below 1 metre.
Forecast for Friday, 19 June
Weather: Cloudy. 80% chance of showers.
Winds: Northerly 15 to 20 knots, reaching up to 30 knots offshore during the morning and early afternoon. Winds turning west to northwesterly during the afternoon and evening.
Seas: 1.5 to 2.5 metres.
Swell: Northeasterly below 1 metre, increasing to 1 to 1.5 metres south of Port Kembla later in the evening.
Forecast for Saturday, 20 June
Weather: Sunny.
Winds: West to northwesterly 15 to 20 knots tending west to southwesterly 10 to 15 knots in the early afternoon.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon.
Swell: Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Point Perpendicular by early evening.
Forecast for Sunday, 21 June
Weather: Partly cloudy. 70% chance of showers.
Winds: Southwesterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southerly around 1 metre, increasing to 1 to 1.5 metres during the morning.

Forecast for Thursday, 18 June
Weather: Mostly clear.
Winds: Northerly 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 offshore.
Swell: Easterly below 1 metre.
Forecast for Friday, 19 June
Weather: Partly cloudy.
Winds: Northerly 15 to 20 knots, reaching up to 30 knots offshore in the late morning. Winds turning northwesterly in the evening.
Seas: 1.5 to 2.5 metres.
Swell: East to northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Crowdy Head.
Forecast for Saturday, 20 June
Weather: Partly cloudy. 50% chance of showers.
Winds: West to northwesterly 15 to 20 knots tending west to southwesterly 10 to 15 knots in the early morning then becoming variable about 10 knots in the late afternoon.
Seas: 1 to 1.5 metres, decreasing to 1 metre around midday.
Swell: Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon. Southerly around 1 metre.
Forecast for Sunday, 21 June
Weather: Partly cloudy. 60% chance of showers.
Winds: Variable about 10 knots becoming south to southwesterly 10 to 15 knots during the morning then becoming south to southeasterly about 10 knots during the afternoon.
Seas: Below 1 metre.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Crowdy Head during the morning.

Forecast for Thursday, 18 June
Weather: Mostly clear.
Winds: Northerly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Northeasterly below 1 metre.
Forecast for Friday, 19 June
Weather: Cloudy. 60% chance of showers.
Winds: Northerly 15 to 20 knots turning northwesterly 15 to 25 knots in the afternoon.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore.
Swell: Northeasterly around 1 metre.
Forecast for Saturday, 20 June
Weather: Sunny.
Winds: Northwesterly 15 to 20 knots turning west to southwesterly below 10 knots in the late afternoon.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: Southerly around 1 metre. Northeasterly around 1 metre.
Forecast for Sunday, 21 June
Weather: Partly cloudy. 70% chance of showers.
Winds: Southwesterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning.
Mullion
▲ N
14 kn NW
· 13 °C
Warnings
No warnings within 100 km.
State Wide
Marine Severe
View all NSW warnings
Temperature
Marchmont
13 °C 17 °C 3pm 8 °C 7am
↓ Cooling
Now: 13 °C
Weather Now for Marchmont
Showers.
13 °C
Wind
14 kn NW
Pressure
1016 hPa
At Mullion
Nearby Wind
50 km radius
N S W E 14 kn Mullion
Marchmont
14 kn NW
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Sun
7:11am rise 5:00pm set
9 h 48 m of daylight
Now: 5:10pm
11 seconds less than yesterday
Moon
9:58am rise 8:24pm set
14% illuminated
Waxing Crescent
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