BoM Williamstown Marine Weather Forecast

Winds: Southwesterly 20 to 25 knots, reaching up to 30 knots early in the morning. Winds turning southerly in the early afternoon.

Seas: 1.5 to 2.5 metres.

Swell: Southwesterly 2 to 3 metres, increasing to 2.5 to 4 metres during the morning, then tending south to southwesterly 3 to 4 metres later in the evening.

Winds: Southerly 15 to 20 knots turning southeasterly 10 to 15 knots in the late morning and afternoon.

Seas: 1.5 metres, decreasing to 1 metre around midday.

Swell: Southerly 3 to 4 metres, tending southwesterly 2 to 3 metres around midday. Below 0.5 metres, tending southerly 1 to 2 metres around midday.

Winds: Southeasterly 10 to 15 knots decreasing to below 10 knots during the morning then becoming east to northeasterly during the evening.

Seas: Below 1 metre.

Swell: Southwesterly 1.5 to 2.5 metres. Southerly 1 to 2 metres, tending southeasterly below 1 metre during the evening.

Winds: Southwesterly 20 to 25 knots turning southerly 15 to 20 knots in the early afternoon.

Seas: 1.5 to 2.5 metres.

Swell: Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres during the morning. Below 0.5 metres, tending southerly 1 to 1.5 metres later in the evening.

Winds: Southerly 10 to 15 knots, reaching up to 20 knots offshore early in the morning. Winds turning southeasterly below 10 knots during the day.

Seas: 1 to 1.5 metres, decreasing below 1 metre around midday.

Swell: Southwesterly 2.5 to 3 metres, tending southerly 2 to 3 metres during the morning, then tending southwesterly 2 to 3 metres around midday. Southerly 1 to 2 metres.

Winds: Variable about 10 knots.

Seas: Below 1 metre.

Swell: Southerly 1 to 2 metres. Southwesterly 1 to 1.5 metres.

Winds: West to southwesterly 15 to 25 knots, reaching up to 30 knots south of Port Vincent to Brighton early in the morning. Winds tending south to southwesterly 10 to 15 knots during the day.

Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres around midday.

Swell: West to southwesterly below 0.5 metres.

Winds: Southerly 15 to 20 knots turning southeasterly 10 to 15 knots in the evening.

Seas: 1 to 1.5 metres, decreasing to 1 metre around midday.

Swell: Southeast to southwesterly below 0.5 metres.

Winds: Variable about 10 knots.

Seas: Below 1 metre.

Swell: Southeast to southwesterly below 0.5 metres.

Winds: Southwesterly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds turning southerly 15 to 20 knots in the evening.

Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres around midday.

Swell: West to southwesterly around 1 metre, increasing to 1 to 1.5 metres inshore during the morning.

Winds: Southerly 15 to 20 knots turning southeasterly 10 to 15 knots in the evening.

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

Swell: West to southwesterly below 1 metre, increasing to 2 to 3 metres through the Backstairs Passage.

Winds: South to southeasterly about 10 knots.

Seas: Below 1 metre.

Swell: West to southwesterly below 1 metre, increasing to 1.5 to 2.5 metres through the Backstairs Passage.

Winds: Southwesterly 20 to 30 knots turning southerly in the early afternoon.

Seas: 2 to 3 metres.

Swell: Southwesterly 1.5 metres, increasing to 2 to 4 metres during the morning.

Winds: Southerly 15 to 25 knots, reaching up to 30 knots south of Beachport early in the morning.

Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning.

Swell: Southerly 3 to 4 metres, decreasing to 3 metres during the afternoon, then tending southwesterly 2.5 to 3 metres by early evening. Southeast to southwesterly below 1 metre, increasing to 1.5 to 2 metres north of Port MacDonnell by early evening.

Winds: Southerly 10 to 15 knots decreasing to about 10 knots during the morning.

Seas: Around 1 metre.

Swell: Southwesterly 2.5 to 3 metres. Southerly 1 to 2 metres, decreasing below 0.5 metres during the morning.

Winds: Southwesterly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds turning southerly 20 to 25 knots in the middle of the day.

Seas: 2 to 2.5 metres, decreasing to 1.5 metres during the morning, then increasing to 1.5 to 2 metres during the afternoon.

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

Winds: Southerly 15 to 20 knots turning southeasterly 10 to 15 knots in the late afternoon.

Seas: 1 to 1.5 metres, decreasing to 1 metre around midday.

Swell: Southerly 2.5 to 3 metres, tending southwesterly 2 to 2.5 metres later in the evening. Below 0.5 metres, tending southerly 1 to 2 metres around midday.

Winds: Variable about 10 knots.

Seas: Below 1 metre.

Swell: Southwesterly 1.5 to 2 metres. Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.

Winds: Southwesterly 20 to 30 knots turning southerly in the late morning and afternoon.

Seas: 1.5 to 2.5 metres.

Swell: Southwesterly 1.5 to 2.5 metres, increasing to 2.5 to 4 metres during the morning, then tending southerly 4 metres later in the evening.

Winds: Southerly 15 to 25 knots decreasing to 10 to 15 knots in the middle of the day.

Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres around midday.

Swell: Southerly 4 metres, decreasing to 3 metres around midday, then tending south to southwesterly 2.5 to 3 metres during the afternoon. Below 0.5 metres, tending southerly 1 to 2 metres around midday.

Winds: South to southeasterly 10 to 15 knots decreasing to below 10 knots during the day.

Seas: Below 1 metre.

Swell: Southwesterly 2 to 2.5 metres. Southerly 1 to 2 metres, decreasing below 0.5 metres during the afternoon or evening.

Winds: West to southwesterly 15 to 25 knots, reaching up to 30 knots south of Cowell to Wallaroo early in the morning. Winds tending south to southwesterly 15 to 20 knots in the late morning and afternoon.

Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres around midday.

Swell: South to southwesterly around 1 metre, increasing to 1 to 2 metres during the morning.

Winds: Southerly 15 to 20 knots turning southeasterly 10 to 15 knots in the evening.

Seas: 1 to 1.5 metres, decreasing to 1 metre around midday.

Swell: South to southwesterly 1 to 2 metres.

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

Seas: Below 1 metre.

Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.

Winds: Westerly 20 to 25 knots, reaching up to 30 knots during the morning and early afternoon. Winds turning south to southwesterly 15 to 25 knots during the morning.

Seas: 1 to 2 metres.

Swell: Southwesterly 1.5 metres, increasing to 2 to 3 metres during the morning, then increasing to 3 to 4 metres during the afternoon.

Winds: Southerly 15 to 20 knots, reaching up to 25 knots offshore early in the morning. Winds turning southeasterly 10 to 15 knots in the late afternoon.

Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres around midday.

Swell: South to southwesterly 3 to 4 metres, decreasing to 3 metres by early evening, then tending southwesterly 2.5 metres later in the evening. Below 0.5 metres, tending southerly 1 to 1.5 metres during the morning.

Winds: South to southeasterly 10 to 15 knots decreasing to about 10 knots during the morning.

Seas: Below 1 metre.

Swell: Southwesterly 2 to 2.5 metres. Southerly 1 to 1.5 metres, decreasing below 0.5 metres during the morning.

Winds: Southwesterly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds tending southerly in the early afternoon.

Seas: 1.5 to 2.5 metres.

Swell: Southwesterly 3 to 4 metres, decreasing to 3 metres during the afternoon. Below 0.5 metres, tending southerly 1 to 1.5 metres later in the evening.

Winds: Southerly 15 to 20 knots turning southeasterly below 10 knots during the day.

Seas: 1 to 1.5 metres, decreasing to 1 metre around midday.

Swell: Southwesterly 2.5 to 3 metres, tending southerly 3 metres during the morning, then tending southwesterly 2 to 3 metres during the afternoon. Southerly 1 to 2 metres, decreasing below 0.5 metres during the morning, then increasing to 1 to 2 metres around midday.

Winds: Variable below 10 knots.

Seas: Below 1 metre.

Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the morning. Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.