BoM Fort Denison Marine Weather Forecast

Mean Sea Level Prognosis Charts

Mean Sea Level Prognosis Charts

Other NSW Coastal Waters Forecasts

Forecast for Friday, 4 September
Weather: Clear.
Winds: North to northeasterly 15 to 20 knots turning northwesterly in the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore by early evening.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Saturday, 5 September
Weather: Partly cloudy. 50% chance of showers.
Winds: Northwesterly 15 to 20 knots tending northerly in the early morning then turning west to northwesterly in the early afternoon. Winds reaching up to 30 knots offshore in the evening.
Seas: Around 1 metre, increasing to 1.5 to 2.5 metres during the morning.
Swell: Southerly around 1 metre.
Forecast for Sunday, 6 September
Weather: Mostly sunny.
Winds: Westerly 20 to 30 knots turning southerly 15 to 25 knots in the early afternoon.
Seas: 1.5 to 2.5 metres.
Swell: Southerly below 1 metre, increasing to 2 to 3 metres during the morning, then decreasing to 2 metres by early evening.
Forecast for Monday, 7 September
Weather: Partly cloudy. 70% chance of showers.
Winds: Southerly 15 to 25 knots increasing to 20 to 30 knots during the evening.
Seas: Around 1 metre, increasing to 1.5 to 2.5 metres during the afternoon.
Swell: Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.

Forecast for Friday, 4 September
Weather: Clear.
Winds: South to southeasterly 10 to 15 knots tending east to southeasterly in the late afternoon then becoming variable below 10 knots in the late evening.
Seas: Below 1 metre.
Swell: Southerly around 1 metre.
Forecast for Saturday, 5 September
Weather: Mostly sunny.
Winds: Variable about 10 knots becoming northerly 15 to 20 knots in the morning.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Cape Byron.
Forecast for Sunday, 6 September
Weather: Sunny.
Winds: Northerly 15 to 25 knots tending northwesterly 15 to 20 knots in the morning then shifting southeasterly in the late morning.
Seas: 1 to 2 metres.
Swell: Southerly below 1 metre, increasing to 1 to 1.5 metres south of Cape Byron later in the evening. Northwest to northeasterly around 1 metre.
Forecast for Monday, 7 September
Weather: Mostly sunny.
Winds: South to southeasterly 10 to 15 knots tending east to southeasterly during the afternoon.
Seas: Around 1 metre.
Swell: Southerly 1.5 to 2.5 metres, decreasing to 1.5 metres during the evening.

Forecast for Friday, 4 September
Weather: Clear.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Southerly around 1 metre, increasing to 1 to 1.5 metres by early evening.
Forecast for Saturday, 5 September
Weather: Sunny.
Winds: Northerly about 10 knots increasing to 15 to 20 knots before dawn.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
Forecast for Sunday, 6 September
Weather: Sunny.
Winds: North to northwesterly 15 to 20 knots shifting southerly 15 to 25 knots in the morning.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres around midday.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore by early evening.
Forecast for Monday, 7 September
Weather: Mostly sunny. 60% chance of showers.
Winds: South to southwesterly 10 to 15 knots turning east to southeasterly during the day then tending south to southeasterly during the evening.
Seas: Around 1 metre.
Swell: Southerly 1.5 to 2.5 metres.

Forecast for Friday, 4 September
Weather: Mostly clear.
Winds: North to northeasterly 10 to 15 knots, reaching up to 20 knots offshore north of Green Cape during the afternoon and evening. Winds turning west to northwesterly in the evening.
Seas: Around 1 metre.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Green Cape.
Forecast for Saturday, 5 September
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm offshore south of Merimbula in the late afternoon and evening.
Winds: West to northwesterly about 10 knots tending northerly 15 to 20 knots before dawn then turning west to northwesterly in the late afternoon. Winds reaching up to 30 knots offshore in the late evening.
Seas: Around 1 metre, increasing to 1.5 to 2 metres during the morning.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Sunday, 6 September
Weather: Partly cloudy.
Winds: Westerly 20 to 30 knots increasing to 35 knots before turning south to southwesterly 20 to 30 knots during the morning.
Seas: 2 to 3 metres, decreasing to 1.5 metres later in the evening.
Swell: Southerly around 1 metre, tending southwesterly 2 to 4 metres during the morning, then tending southerly 1 to 2 metres around midday.
Forecast for Monday, 7 September
Weather: Partly cloudy. 70% chance of showers.
Winds: Southwesterly 20 to 30 knots.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Swell: Southerly 1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon or evening.

Forecast for Friday, 4 September
Weather: Clear.
Winds: Variable about 10 knots becoming northeasterly 10 to 15 knots in the late afternoon then tending northerly in the evening. Winds reaching up to 20 knots offshore south of Port Stephens in the late evening.
Seas: Below 1 metre.
Swell: Southerly 1.5 to 2.5 metres.
Forecast for Saturday, 5 September
Weather: Sunny day. The chance of a thunderstorm south of Port Stephens in the evening.
Winds: North to northwesterly 15 to 25 knots, reaching up to 30 knots offshore south of Norah Head in the late afternoon.
Seas: Around 1 metre, increasing to 1 to 2 metres around midday.
Swell: Southerly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Forecast for Sunday, 6 September
Weather: Mostly sunny.
Winds: West to northwesterly 15 to 20 knots increasing to 25 knots before shifting southerly 15 to 20 knots in the early afternoon.
Seas: 1 to 2 metres, decreasing to 1 metre later in the evening.
Swell: Southerly 1 to 1.5 metres, increasing to 1 to 2 metres around midday, then increasing to 2 to 3 metres by early evening.
Forecast for Monday, 7 September
Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the evening.
Winds: South to southwesterly about 10 knots increasing to 15 to 25 knots during the afternoon.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the evening.
Swell: Southerly 2 to 3 metres, decreasing to 1.5 to 2 metres during the afternoon or evening.

Forecast for Friday, 4 September
Weather: Clear.
Winds: North to northeasterly 10 to 15 knots turning northwesterly in the evening.
Seas: Below 1 metre.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre later in the evening.
Forecast for Saturday, 5 September
Weather: Mostly sunny day. The chance of a thunderstorm offshore in the evening.
Winds: North to northwesterly 15 to 25 knots tending west to northwesterly in the late afternoon. Winds reaching up to 30 knots offshore south of Port Kembla in the late evening.
Seas: Below 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southerly around 1 metre.
Forecast for Sunday, 6 September
Weather: Sunny.
Winds: Westerly 20 to 30 knots turning southerly 15 to 20 knots in the early afternoon.
Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon.
Swell: Southerly below 1 metre, increasing to 1.5 to 2.5 metres during the morning.
Forecast for Monday, 7 September
Weather: Partly cloudy. 60% chance of showers.
Winds: Southwesterly 10 to 15 knots turning southerly 20 to 30 knots during the day.
Seas: Below 1 metre, increasing to 1.5 to 2.5 metres during the afternoon or evening.
Swell: Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.

Forecast for Friday, 4 September
Weather: Clear.
Winds: East to northeasterly about 10 knots tending north to northeasterly 10 to 15 knots in the late afternoon.
Seas: Below 1 metre.
Swell: Southerly 1.5 to 2 metres.
Forecast for Saturday, 5 September
Weather: Sunny.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore south of Crowdy Head during the afternoon and evening.
Seas: Around 1 metre, increasing to 1 to 2 metres around midday.
Swell: Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Forecast for Sunday, 6 September
Weather: Sunny.
Winds: North to northwesterly 15 to 20 knots shifting south to southwesterly 15 to 25 knots early in the morning.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Southerly 1 to 1.5 metres, increasing to 2 to 3 metres during the afternoon.
Forecast for Monday, 7 September
Weather: Mostly sunny. 60% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: South to southwesterly 10 to 15 knots tending south to southeasterly 15 to 20 knots during the afternoon.
Seas: Around 1 metre.
Swell: Southerly 2.5 to 3 metres, decreasing to 2 metres during the afternoon or evening.

Forecast for Friday, 4 September
Weather: Clear.
Winds: Northeasterly 10 to 15 knots turning north to northwesterly in the evening.
Seas: Below 1 metre.
Swell: Southerly 1 to 1.5 metres.
Forecast for Saturday, 5 September
Weather: Mostly sunny day. The chance of a thunderstorm in the evening.
Winds: North to northwesterly 15 to 25 knots tending west to northwesterly 15 to 20 knots in the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres around midday.
Swell: Southerly around 1 metre.
Forecast for Sunday, 6 September
Weather: Sunny.
Winds: Westerly 15 to 25 knots increasing to 20 to 30 knots before dawn then tending southeast to southwesterly 15 to 25 knots in the early morning.
Seas: 1 to 2 metres, decreasing below 1 metre later in the evening.
Swell: Southerly below 1 metre, increasing to 1.5 to 2.5 metres around midday.
Forecast for Monday, 7 September
Weather: Partly cloudy. 50% chance of showers.
Winds: South to southwesterly about 10 knots increasing to 15 to 25 knots during the day.
Seas: Below 1 metre, increasing to 1 to 2 metres during the evening.
Swell: Southerly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon or evening.
Fort Denison
N
6 kn E
· 18 °C
Warnings
No warnings within 100 km.
State Wide
Marine Flood Agricultural Fire Severe
Temperature
Fort Denison
18 °C 22 °C 2pm 12 °C 6am
↓ Cooling
Now: 18 °C
Tides
Fort Denison
1:27pm 1.62m 8:21pm 0.57m
↓ Falling
Current: 0.77m
Weather Now for Fort Denison
Clear.
18 °C
Feels like 16 °C
Wind
6 kn E
Humidity
65%
Pressure
1018 hPa
At Sydney - Observatory Hill
Nearby Wind
50 km radius
N S W E 5 kn Bankstown Calm Horsley Park 6 kn Holsworthy Calm Gosford
Fort Denison
6 kn E
Recent Locations
Fort Denison
6 kn E
Mona Vale
6 kn NNE
16°
Mount Claremont
8 kn SW
17°
Stratham
7 kn WSW
15°
Sun
6:10am rise 5:39pm set
11 h 29 m of daylight
Now: 6:22pm
120 seconds more than yesterday
Moon
12:11amrise 10:06amset
49% illuminated
Last Quarter
Live Weather
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