BoM Sydney - Observatory Hill Marine Weather Forecast

Winds: Southerly 15 to 20 knots, reaching up to 25 knots offshore during the morning. Winds tending southwesterly in the morning then becoming variable about 10 knots in the early afternoon.

Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre during the afternoon.

Swell: Southerly 2 to 2.5 metres.

Winds: Variable below 10 knots becoming north to northeasterly 10 to 15 knots in the middle of the day then tending northwest to southwesterly in the late evening.

Seas: Below 1 metre.

Swell: Southerly 2 to 2.5 metres.

Winds: Westerly 10 to 15 knots becoming variable about 10 knots during the morning then becoming northeast to southeasterly 10 to 15 knots during the afternoon.

Seas: Below 1 metre.

Swell: Southerly 1.5 to 2 metres.

Winds: Southerly 20 to 30 knots.

Seas: 2 to 3 metres.

Swell: Southerly 3 to 4 metres, decreasing to 2.5 to 3 metres during the morning.

Winds: Southerly 15 to 20 knots becoming variable about 10 knots in the early afternoon.

Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre around midday.

Swell: Southerly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres later in the evening. Southeasterly around 1 metre, increasing to 1 to 1.5 metres during the morning.

Winds: Northwesterly 10 to 15 knots becoming variable about 10 knots during the afternoon.

Seas: Below 1 metre.

Swell: Southeasterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Southerly around 1 metre, increasing to 1 to 1.5 metres south of Cape Byron during the afternoon.

Winds: Southerly 15 to 25 knots, reaching up to 30 knots during the morning and early afternoon.

Seas: 2 to 3 metres.

Swell: Southerly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore.

Winds: South to southwesterly 15 to 20 knots shifting northerly 10 to 15 knots in the late afternoon.

Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning.

Swell: Southerly 2 to 3 metres, decreasing to 1 to 2 metres around midday. Southeasterly below 1 metre, increasing to 1 to 1.5 metres during the afternoon.

Winds: Northwesterly 15 to 20 knots becoming variable about 10 knots during the morning.

Seas: Around 1 metre, decreasing below 0.5 metres during the evening.

Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Coffs Harbour. Southeasterly 1 to 1.5 metres, tending easterly below 1 metre during the afternoon or evening.

Winds: Southwesterly 15 to 25 knots.

Seas: 1 to 2 metres.

Swell: Southerly 2 to 2.5 metres.

Winds: West to southwesterly 10 to 15 knots, reaching up to 25 knots offshore south of Merimbula early in the morning. Winds tending northwest to northeasterly in the middle of the day then tending northwesterly in the evening.

Seas: 1 to 2 metres, decreasing below 1 metre around midday.

Swell: Southerly 2 to 2.5 metres.

Winds: Northwesterly 10 to 15 knots turning west to southwesterly 15 to 20 knots during the morning.

Seas: Below 1 metre, increasing to 1 to 1.5 metres offshore south of Merimbula during the afternoon.

Swell: Southerly 1.5 to 2 metres.

Winds: Southerly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds decreasing to about 10 knots in the late evening.

Seas: 2 to 3 metres, decreasing to 1.5 metres around midday, then decreasing to 1 metre by early evening.

Swell: Southerly 3 to 4 metres, decreasing to 2.5 to 3 metres during the afternoon.

Winds: Variable about 10 knots becoming northwest to northeasterly 10 to 15 knots in the middle of the day then tending northwesterly in the late evening. Winds reaching up to 20 knots offshore north of Norah Head in the late evening.

Seas: Below 1 metre, decreasing below 0.5 metres during the morning, then increasing to around 1 metre during the afternoon.

Swell: Southerly 2 to 3 metres, decreasing to 1.5 to 2 metres later in the evening. Southeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.

Winds: Westerly 15 to 20 knots becoming variable about 10 knots during the afternoon.

Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon or evening.

Swell: Southerly 1.5 to 2.5 metres.

Winds: South to southwesterly 15 to 25 knots, reaching up to 30 knots offshore north of Point Perpendicular early in the morning. Winds becoming variable about 10 knots in the late afternoon.

Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres around midday, then decreasing below 1 metre by early evening.

Swell: Southerly 2 to 2.5 metres.

Winds: Variable about 10 knots becoming northwest to northeasterly 10 to 15 knots in the early afternoon then tending west to northwesterly in the late evening. Winds reaching up to 20 knots offshore south of Port Kembla in the late evening.

Seas: Below 1 metre.

Swell: Southerly 1.5 to 2 metres.

Winds: Westerly 15 to 20 knots turning north to northwesterly 10 to 15 knots during the day then tending northwest to southwesterly during the evening.

Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon.

Swell: Southerly 1.5 metres, increasing to 1.5 to 2 metres south of Port Kembla.

Winds: Southerly 15 to 25 knots, reaching up to 30 knots during the morning. Winds decreasing to 10 to 15 knots in the late evening.

Seas: 2 to 3 metres, decreasing to 1 to 2 metres around midday.

Swell: Southerly 3 to 4 metres, decreasing to 3 metres by early evening.

Winds: South to southwesterly 10 to 15 knots becoming variable about 10 knots in the morning then becoming northerly 10 to 15 knots in the early afternoon. Winds reaching up to 20 knots offshore south of Crowdy Head in the late evening.

Seas: Around 1 metre.

Swell: Southerly 2 to 3 metres, decreasing to 1.5 to 2 metres by early evening. Southeasterly around 1 metre.

Winds: Northwesterly 10 to 15 knots turning west to southwesterly 15 to 20 knots during the morning then becoming variable about 10 knots during the afternoon.

Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon or evening.

Swell: Southerly 1.5 to 2 metres. Northeast to southeasterly around 1 metre.

Winds: Southerly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds becoming variable about 10 knots in the evening.

Seas: 2 to 3 metres, decreasing to 1 to 1.5 metres around midday, then decreasing below 1 metre by early evening.

Swell: Southerly 2 to 3 metres.

Winds: West to northwesterly below 10 knots tending northwest to northeasterly 10 to 15 knots in the morning then tending west to northwesterly in the late evening.

Seas: Below 1 metre.

Swell: Southerly 1.5 to 2 metres, decreasing to 1.5 metres during the morning. Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.

Winds: Westerly 15 to 20 knots becoming variable about 10 knots during the day.

Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon.

Swell: Southerly 1 to 1.5 metres.