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BoM Johnstons Bay Marine Weather Forecast

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Forecast for Saturday, 8 August
Weather: Mostly clear.
Winds: Northerly 10 to 15 knots, reaching up to 20 knots offshore.
Seas: Around 1 metre.
Swell: Southerly below 1 metre.
Forecast for Sunday, 9 August
Weather: Cloudy. 95% chance of showers.
Winds: Northerly 15 to 25 knots, reaching up to 30 knots in the evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning, then increasing to 2 to 3 metres by early evening.
Swell: Southerly below 1 metre.
Forecast for Monday, 10 August
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm offshore in the early morning.
Winds: Northerly 25 to 30 knots turning west to northwesterly 20 to 30 knots in the late morning and early afternoon.
Seas: 2 to 3 metres.
Swell: Northeasterly below 0.5 metres, increasing to 1 to 2 metres during the morning.
Forecast for Tuesday, 11 August
Weather: Sunny.
Winds: West to northwesterly 15 to 25 knots.
Seas: Around 1 metre, increasing to 1 to 2 metres offshore.
Swell: Southerly around 1 metre, increasing to 1 to 2 metres during the afternoon or evening. Northeasterly 1 to 2 metres, decreasing to around 1 metre during the afternoon.

Forecast for Saturday, 8 August
Weather: Mostly clear.
Winds: East to northeasterly below 10 knots.
Seas: Below 0.5 metres.
Swell: Easterly around 1 metre.
Forecast for Sunday, 9 August
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming northerly 15 to 25 knots in the morning.
Seas: Below 1 metre, increasing to 1 to 2 metres during the afternoon.
Swell: Easterly around 1 metre.
Forecast for Monday, 10 August
Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm in the afternoon.
Winds: Northerly 20 to 30 knots tending northwesterly in the middle of the day then decreasing to 15 to 25 knots in the early afternoon.
Seas: 2 to 3 metres, decreasing to 1 to 2 metres by early evening.
Swell: East to northeasterly around 1 metre inshore, increasing to 1.5 metres offshore south of Yamba later in the evening.
Forecast for Tuesday, 11 August
Weather: Sunny.
Winds: Westerly 15 to 20 knots turning north to northwesterly 10 to 15 knots during the afternoon then tending west to northwesterly during the evening.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon or evening.
Swell: Northerly 1 to 1.5 metres, tending northeasterly around 1 metre during the afternoon.

Forecast for Saturday, 8 August
Weather: Mostly clear.
Winds: North to northeasterly below 10 knots.
Seas: Below 0.5 metres.
Swell: Easterly around 1 metre.
Forecast for Sunday, 9 August
Weather: Partly cloudy.
Winds: Northerly about 10 knots increasing to 15 to 25 knots in the morning. Winds reaching up to 30 knots in the late evening.
Seas: Around 1 metre, increasing to 1 to 2 metres around midday.
Swell: Easterly around 1 metre.
Forecast for Monday, 10 August
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm offshore in the late morning and afternoon.
Winds: Northerly 25 to 30 knots turning northwesterly 20 to 30 knots in the morning.
Seas: 2 to 3 metres, decreasing to 1 to 2 metres by early evening.
Swell: East to northeasterly below 1 metre, tending northerly 1 to 1.5 metres around midday.
Forecast for Tuesday, 11 August
Weather: Sunny.
Winds: West to northwesterly 15 to 20 knots turning north to northeasterly below 10 knots during the day then tending northwest to southwesterly 10 to 15 knots during the evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: North to northeasterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.

Forecast for Saturday, 8 August
Weather: Partly cloudy.
Winds: Northerly 10 to 15 knots, reaching up to 20 knots offshore.
Seas: Around 1 metre.
Swell: Southerly below 1 metre.
Forecast for Sunday, 9 August
Weather: Cloudy. 90% chance of showers.
Winds: Northerly 15 to 25 knots, reaching up to 30 knots during the day.
Seas: 1 to 2 metres, increasing to 2 to 3 metres during the morning.
Swell: Northeast to southeasterly around 1 metre south of Merimbula.
Forecast for Monday, 10 August
Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm offshore in the early morning.
Winds: Northerly 20 to 30 knots turning west to northwesterly 15 to 25 knots in the early afternoon.
Seas: 2 to 3 metres, decreasing to 1 to 2 metres by early evening.
Swell: North to northeasterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Forecast for Tuesday, 11 August
Weather: Mostly sunny.
Winds: West to southwesterly 25 to 35 knots.
Seas: 2 to 3 metres, decreasing to 1 to 2 metres during the afternoon or evening.
Swell: Southerly 1 to 2 metres, tending southwesterly 2 to 3 metres during the morning. Northeasterly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning.

Forecast for Saturday, 8 August
Weather: Clear.
Winds: North to northeasterly below 10 knots.
Seas: Below 0.5 metres.
Swell: Easterly below 1 metre.
Forecast for Sunday, 9 August
Weather: Partly cloudy. 80% chance of showers.
Winds: Northerly about 10 knots increasing to 15 to 20 knots in the early morning. Winds reaching up to 30 knots offshore in the late evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore during the morning.
Swell: Easterly around 1 metre.
Forecast for Monday, 10 August
Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm offshore in the morning.
Winds: Northerly 20 to 30 knots increasing to 25 to 35 knots in the early morning then tending northwesterly 20 to 30 knots in the morning.
Seas: 2 to 3 metres.
Swell: Northeasterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning, then decreasing to 1 to 1.5 metres by early evening.
Forecast for Tuesday, 11 August
Weather: Sunny.
Winds: Westerly 20 to 30 knots.
Seas: 2 to 3 metres, decreasing to 1 to 2 metres during the afternoon or evening.
Swell: Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.

Forecast for Saturday, 8 August
Weather: Mostly clear.
Winds: North to northeasterly 10 to 15 knots, reaching up to 20 knots offshore south of Point Perpendicular.
Seas: Around 1 metre.
Swell: Southerly below 1 metre.
Forecast for Sunday, 9 August
Weather: Cloudy. 95% chance of showers.
Winds: Northerly 15 to 20 knots increasing to 20 to 25 knots in the early afternoon. Winds reaching up to 30 knots in the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2.5 metres during the afternoon.
Swell: Easterly below 1 metre.
Forecast for Monday, 10 August
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm offshore south of Port Kembla in the early morning.
Winds: Northerly 25 to 30 knots turning west to northwesterly 20 to 25 knots during the day.
Seas: 2 to 3 metres.
Swell: Northeasterly below 0.5 metres, increasing to 1 to 2 metres during the morning, then tending north to northeasterly 1.5 to 2 metres around midday.
Forecast for Tuesday, 11 August
Weather: Sunny.
Winds: Westerly 20 to 30 knots.
Seas: 1.5 to 2.5 metres.
Swell: Northeasterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Southerly around 1 metre, increasing to 1 to 1.5 metres during the evening.

Forecast for Saturday, 8 August
Weather: Clear.
Winds: North to northeasterly below 10 knots.
Seas: Below 0.5 metres.
Swell: Easterly below 1 metre.
Forecast for Sunday, 9 August
Weather: Becoming cloudy. 60% chance of showers.
Winds: Northerly about 10 knots increasing to 15 to 25 knots in the early morning. Winds reaching up to 30 knots in the late evening.
Seas: Below 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Northeast to southeasterly below 1 metre.
Forecast for Monday, 10 August
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northerly 25 to 35 knots tending northwesterly 20 to 30 knots in the morning then decreasing to 15 to 25 knots in the middle of the day.
Seas: 2 to 3 metres, decreasing to 1 to 2 metres during the afternoon.
Swell: Northeast to southeasterly below 1 metre, tending northerly 1 to 1.5 metres during the morning, then tending north to northeasterly 1.5 to 2.5 metres during the afternoon.
Forecast for Tuesday, 11 August
Weather: Sunny.
Winds: Westerly 15 to 20 knots becoming variable about 10 knots during the afternoon then becoming west to northwesterly 10 to 15 knots during the evening.
Seas: 1 to 2 metres, decreasing to 1 metre during the afternoon.
Swell: Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.

Forecast for Saturday, 8 August
Weather: Clear.
Winds: Northeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southerly below 1 metre.
Forecast for Sunday, 9 August
Weather: Cloudy. 95% chance of showers.
Winds: Northerly 15 to 25 knots, reaching up to 30 knots offshore in the late evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres later in the evening.
Swell: Easterly around 1 metre.
Forecast for Monday, 10 August
Weather: Partly cloudy. 90% chance of showers.
Winds: North to northeasterly 20 to 30 knots turning northwesterly during the morning.
Seas: 2 to 3 metres.
Swell: Northeasterly around 1 metre, increasing to 1.5 to 2.5 metres during the morning.
Forecast for Tuesday, 11 August
Weather: Sunny.
Winds: Westerly 20 to 30 knots.
Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning.
Swell: Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Sydney Harbour
▲ N
6 kn N
· 14 °C
Warnings
No warnings within 100 km.
State Wide
Severe Marine Agricultural
View all NSW warnings
Temperature
Johnstons Bay
14 °C 19 °C 2pm 6 °C 7am
↓ Cooling
Now: 14 °C
Tides
Johnstons Bay
11:08pm 0.51m 5:00am 1.23m
↑ Rising
Current: 0.52m
Weather Now for Johnstons Bay
Clear.
14 °C
Wind
6 kn N
Humidity
80%
Pressure
1020 hPa
At Sydney Harbour
Nearby Wind
50 km radius
N S W E Calm Bankstown Calm Horsley Park 3 kn Holsworthy Calm Richmond
Johnstons Bay
6 kn N
Recent Locations
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 15°
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Sun
6:41am rise 5:20pm set
10 h 38 m of daylight
Now: 11:39pm
99 seconds more than yesterday
Moon
2:30amrise 12:17pmset
22% illuminated
Waning Crescent
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