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BoM Upper Main Arm Marine Weather Forecast

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Forecast for Sunday, 13 September
Weather: Clear.
Winds: Northerly 10 to 15 knots, reaching up to 25 knots offshore.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
Swell: Southerly 1.5 metres.
Forecast for Monday, 14 September
Weather: Partly cloudy.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore north of Moruya Heads in the evening. Winds turning northwesterly 10 to 15 knots in the evening.
Seas: 1 to 2 metres.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Moruya Heads during the morning.
Forecast for Tuesday, 15 September
Weather: Cloudy. 95% chance of showers.
Winds: Southerly 15 to 25 knots increasing to 20 to 30 knots in the early afternoon then tending southwesterly 25 to 30 knots in the evening.
Seas: Below 1 metre, increasing to 1 to 2 metres during the afternoon, increasing to 2.5 to 3 metres offshore by early evening.
Swell: Southerly around 1 metre, increasing to 1.5 to 2 metres during the afternoon. Northeasterly 1 to 1.5 metres, decreasing to around 1 metre around midday.
Forecast for Wednesday, 16 September
Weather: Partly cloudy. 60% chance of showers.
Winds: Southwesterly 25 to 35 knots.
Seas: 2.5 to 3 metres.
Swell: Southerly 2 to 3 metres.

Forecast for Sunday, 13 September
Weather: Partly cloudy.
Winds: East to northeasterly below 10 knots.
Seas: Below 1 metre.
Swell: Southeasterly 1.5 metres.
Forecast for Monday, 14 September
Weather: Partly cloudy.
Winds: Variable about 10 knots, reaching up to 20 knots south of Cape Byron in the evening.
Seas: Below 1 metre, increasing to around 1 metre south of Cape Byron during the afternoon.
Swell: Southeasterly 1 to 1.5 metres.
Forecast for Tuesday, 15 September
Weather: Sunny.
Winds: Northerly 15 to 25 knots.
Seas: Around 1 metre, increasing to 1 to 2 metres around midday.
Swell: South to southeasterly around 1 metre.
Forecast for Wednesday, 16 September
Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the morning.
Winds: North to northwesterly 15 to 25 knots shifting southerly 20 to 30 knots during the morning.
Seas: 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
Swell: Southerly around 1 metre, increasing to 2 to 4 metres during the afternoon.

Forecast for Sunday, 13 September
Weather: Clear.
Winds: Northeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: South to southeasterly 1.5 metres.
Forecast for Monday, 14 September
Weather: Sunny.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots inshore during the afternoon and evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres around midday.
Swell: South to southeasterly 1 to 1.5 metres, decreasing to around 1 metre later in the evening.
Forecast for Tuesday, 15 September
Weather: Sunny day. The chance of a thunderstorm offshore south of Coffs Harbour at night.
Winds: Northerly 15 to 25 knots tending northwesterly 15 to 20 knots in the late evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore south of Coffs Harbour.
Swell: Southerly around 1 metre.
Forecast for Wednesday, 16 September
Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the morning.
Winds: West to southwesterly 20 to 25 knots turning southerly 25 to 30 knots during the morning.
Seas: 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
Swell: Southerly around 1 metre, increasing to 2 to 3 metres during the morning.

Forecast for Sunday, 13 September
Weather: Clear.
Winds: Northwest to northeasterly about 10 knots, reaching up to 25 knots offshore.
Seas: Around 1 metre, increasing to 1.5 to 2 metres offshore north of Green Cape.
Swell: Southerly 1.5 metres.
Forecast for Monday, 14 September
Weather: Partly cloudy.
Winds: Northerly 15 to 20 knots shifting southwesterly in the evening. Winds reaching up to 25 knots offshore south of Merimbula in the late evening.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore north of Merimbula.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Northeasterly 1 to 1.5 metres.
Forecast for Tuesday, 15 September
Weather: Cloudy. 90% chance of showers, with possible small hail south of Green Cape in the evening. The chance of a thunderstorm offshore south of Green Cape at night.
Winds: South to southwesterly 15 to 25 knots becoming southwesterly 20 to 30 knots in the middle of the day then increasing to 25 to 35 knots in the early afternoon.
Seas: 1.5 to 2.5 metres, increasing to 2.5 to 4 metres during the afternoon.
Swell: Southerly below 1 metre, increasing to 1 to 1.5 metres during the morning, then tending south to southwesterly 1.5 to 2.5 metres during the afternoon. Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Wednesday, 16 September
Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the morning.
Winds: Southwesterly 25 to 35 knots.
Seas: 2.5 to 3 metres.
Swell: Southwesterly 1.5 to 2.5 metres, tending southerly 1.5 to 2.5 metres during the morning.

Forecast for Sunday, 13 September
Weather: Mostly clear.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore south of Port Stephens.
Seas: 1.5 metres, increasing to 1.5 to 2 metres offshore south of Port Stephens.
Swell: Southerly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore north of Norah Head.
Forecast for Monday, 14 September
Weather: Sunny.
Winds: Northerly 15 to 25 knots.
Seas: 1 to 2 metres.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre later in the evening.
Forecast for Tuesday, 15 September
Weather: Sunny day. 60% chance of showers in the evening. The chance of a thunderstorm offshore in the evening.
Winds: Northerly 20 to 30 knots tending southeast to southwesterly 15 to 25 knots before dawn then tending southerly 25 to 30 knots in the late evening.
Seas: 1.5 to 2.5 metres, decreasing to 1 metre around midday, increasing to 1 to 1.5 metres south of Port Stephens later in the evening.
Swell: Southerly around 1 metre. Northeasterly around 1 metre.
Forecast for Wednesday, 16 September
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm in the evening.
Winds: South to southwesterly 25 to 30 knots.
Seas: 2 to 3 metres.
Swell: Southerly 2 to 3 metres, increasing to 3 to 4 metres during the afternoon or evening.

Forecast for Sunday, 13 September
Weather: Mostly clear.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore north of Port Kembla.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore north of Port Kembla.
Swell: Southerly 1 to 1.5 metres.
Forecast for Monday, 14 September
Weather: Partly cloudy.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore north of Port Kembla early in the morning.
Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1 to 2 metres during the afternoon.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Northeasterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Port Kembla.
Forecast for Tuesday, 15 September
Weather: Becoming cloudy. 90% chance of showers.
Winds: Northwest to southwesterly 15 to 20 knots tending southeast to southwesterly 15 to 25 knots in the morning then tending southerly 20 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 by early evening.
Swell: Southerly around 1 metre, increasing to 1 to 1.5 metres by early evening. Northeasterly 1 to 1.5 metres, decreasing to around 1 metre around midday.
Forecast for Wednesday, 16 September
Weather: Partly cloudy. 70% chance of showers.
Winds: South to southwesterly 25 to 30 knots.
Seas: 2.5 to 3 metres.
Swell: Southerly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.

Forecast for Sunday, 13 September
Weather: Mostly clear.
Winds: North to northeasterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Crowdy Head.
Swell: Southerly 1.5 metres inshore, increasing to 2 metres offshore south of Crowdy Head.
Forecast for Monday, 14 September
Weather: Sunny.
Winds: Northerly 15 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning.
Swell: Southerly 1.5 metres, decreasing to around 1 metre later in the evening.
Forecast for Tuesday, 15 September
Weather: Sunny day. The chance of a thunderstorm in the evening.
Winds: Northerly 15 to 25 knots shifting south to southwesterly in the evening.
Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
Swell: Southerly around 1 metre. North to northeasterly around 1 metre.
Forecast for Wednesday, 16 September
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm.
Winds: South to southwesterly 25 to 30 knots.
Seas: 2 to 3 metres.
Swell: Southerly around 1 metre, increasing to 2 to 4 metres during the morning.

Forecast for Sunday, 13 September
Weather: Mostly clear.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore.
Seas: 1.5 metres, increasing to 2 metres offshore.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Monday, 14 September
Weather: Mostly sunny.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore during the morning and again in the late evening.
Seas: 1 to 2 metres.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Tuesday, 15 September
Weather: Mostly sunny. 70% chance of showers.
Winds: North to northwesterly 15 to 20 knots tending southeast to southwesterly 15 to 25 knots in the morning then tending southerly 25 to 30 knots in the late evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1.5 to 2 metres later in the evening.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore later in the evening. Northeasterly around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre around midday.
Forecast for Wednesday, 16 September
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the evening.
Winds: Southerly 25 to 30 knots.
Seas: 2 to 3 metres.
Swell: Southerly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
Murwillumbah
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Warnings
No warnings within 100 km.
State Wide
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Temperature
Upper Main Arm
12 °C 23 °C 1pm 11 °C 4am
↓ Cooling
Now: 12 °C
Tides
South Golden Beach
9:41pm 1.50m 3:43am 0.20m
↓ Falling
Current: 0.30m
Weather Now for Upper Main Arm
Observations not available
Nearby Wind
50 km radius
N S W E 4 kn Cape Byron 4 kn Lismore Airport Calm Ballina
Upper Main Arm
Recent Locations
Upper Main Arm -
Barrine
Calm
15°
Narwee
Calm
11°
D'arcy Light
5 kn E
 18°
Koombooloomba
3 kn SSW
 20°
Koah
Calm
15°
Sandy Pocket
4 kn E
 22°
Sun
5:46am rise 5:38pm set
11 h 52 m of daylight
Now: 2:37am
99 seconds more than yesterday
Moon
7:14amrise 8:48pmset
8% illuminated
Waxing Crescent
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Cape Byron, NSW
4 kn NE
 17°
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 13°
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 8°
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Calm
9°
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30 kn NW
 8°
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Calm
15°
Hottest in Australia
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8 kn ESE
 1°
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Cape Willoughby, SA
 20.4 mm
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