BoM Alton Downs Marine Weather Forecast

Winds: Southeasterly 20 to 25 knots.

Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres outside the reef.

Swell: Southeasterly 1.5 to 2.5 metres.

Winds: Southeasterly 15 to 20 knots, reaching up to 25 knots north of Cairns during the day.

Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres north of Cairns.

Swell: Southeasterly 1 to 2 metres outside the reef, decreasing to 1 to 1.5 metres around midday.

Winds: Southeasterly 15 to 25 knots.

Seas: 1 to 1.5 metres, increasing to 1 to 2 metres north of Cairns.

Swell: Southeasterly 1 to 1.5 metres outside the reef.

Winds: Southeasterly 15 to 20 knots.

Seas: 1 to 1.5 metres.

Swell: East to southeasterly below 1 metre inshore, increasing to 1 to 2 metres offshore.

Winds: Southeasterly 15 to 20 knots.

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

Swell: Easterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.

Winds: Southeasterly 15 to 20 knots.

Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore north of Cape Capricorn.

Swell: East to southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon or evening.

Winds: Southeasterly 20 to 30 knots decreasing to 20 to 25 knots in the middle of the day then increasing to 25 to 30 knots in the late afternoon.

Seas: 1 to 1.5 metres, increasing to 2 to 2.5 metres outside the reef.

Swell: Southeasterly 1 to 2 metres outside the reef.

Winds: Southeasterly 20 to 25 knots, reaching up to 30 knots north of Cooktown during the morning.

Seas: 1 to 1.5 metres, increasing to 2 to 2.5 metres outside the reef.

Swell: Southeasterly 1 to 2 metres outside the reef, decreasing to 1 to 1.5 metres during the morning.

Winds: Southeasterly 20 to 25 knots.

Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres outside the reef.

Swell: East to southeasterly 1 to 1.5 metres outside the reef.

Winds: Southeasterly 10 to 15 knots, reaching up to 20 knots north of Point Lookout in the late morning.

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

Swell: Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon. Southeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.

Winds: Southeasterly 10 to 15 knots, reaching up to 20 knots offshore north of Point Lookout during the morning.

Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore north of Point Lookout during the morning.

Swell: Southeasterly around 1 metre inshore, increasing to 1.5 metres offshore.

Winds: Southeasterly 10 to 15 knots turning east to northeasterly below 10 knots during the morning.

Seas: Below 1 metre, increasing to around 1 metre offshore.

Swell: Southeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.

Winds: Southeasterly 15 to 20 knots, reaching up to 25 knots north of Creal Reef in the late morning.

Seas: 1 to 1.5 metres, increasing to 1 to 2 metres north of Creal Reef.

Swell: East to southeasterly 1 to 1.5 metres, increasing to 1.5 to 2 metres through the Capricorn Channel.

Winds: Southeasterly 15 to 20 knots, reaching up to 25 knots north of Creal Reef in the evening.

Seas: 1 to 1.5 metres, increasing to 1 to 2 metres north of Creal Reef.

Swell: East to southeasterly around 1 metre, increasing to 1 to 1.5 metres through the Capricorn Channel.

Winds: Southeasterly 15 to 20 knots.

Seas: 1 to 1.5 metres, increasing to 1 to 2 metres north of Creal Reef.

Swell: East to southeasterly 1 to 1.5 metres.

Winds: Southeasterly 10 to 15 knots, reaching up to 20 knots inshore in the late morning. Winds decreasing to about 10 knots in the late evening.

Seas: Around 1 metre.

Swell: North to northeasterly below 1 metre.

Winds: Southeasterly about 10 knots increasing to 15 to 20 knots before dawn.

Seas: Around 1 metre.

Swell: North to northeasterly below 1 metre.

Winds: Southeasterly 10 to 15 knots decreasing to about 10 knots during the evening.

Seas: Below 1 metre.

Swell: Northeasterly below 1 metre.

Winds: Southeasterly 15 to 20 knots.

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

Swell: Southeasterly 1.5 metres.

Winds: Southeasterly 15 to 20 knots.

Seas: 1 to 1.5 metres.

Swell: Southeasterly 1 to 1.5 metres.

Winds: Southeasterly 15 to 20 knots turning easterly 10 to 15 knots during the evening.

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

Swell: Southeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.

Winds: Southeasterly 15 to 20 knots, reaching up to 25 knots north of Hamilton Island in the late morning and early afternoon.

Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore north of Hamilton Island.

Swell: Easterly 1 to 1.5 metres, decreasing to around 1 metre later in the evening.

Winds: Southeasterly 15 to 20 knots, reaching up to 25 knots offshore north of Hamilton Island in the evening.

Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore north of Hamilton Island.

Swell: Easterly 1 to 1.5 metres offshore, decreasing to around 1 metre during the morning.

Winds: Southeasterly 15 to 20 knots.

Seas: 1 to 1.5 metres.

Swell: Easterly around 1 metre offshore.

Winds: Southeasterly 10 to 15 knots.

Seas: Below 1 metre.

Winds: Southerly 10 to 15 knots tending southeasterly in the morning.

Seas: Below 1 metre.

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

Seas: Below 1 metre.

Winds: East to southeasterly 15 to 20 knots tending south to southeasterly 10 to 15 knots in the early afternoon then tending east to southeasterly 15 to 20 knots in the late evening.

Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.

Swell: East to northeasterly below 1 metre.

Winds: East to southeasterly 15 to 20 knots, reaching up to 25 knots offshore north of Cullen Point during the morning. Winds tending southeast to southwesterly 10 to 15 knots in the late afternoon then tending east to southeasterly in the late evening.

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

Swell: East to northeasterly below 1 metre.

Winds: Easterly 15 to 20 knots turning south to southeasterly 10 to 15 knots during the day then tending east to southeasterly 15 to 20 knots during the evening.

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

Swell: East to northeasterly below 1 metre.

Winds: Southeasterly 20 to 25 knots, reaching up to 30 knots offshore south of Cape Sidmouth in the evening.

Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres outside the reef.

Swell: Southeasterly below 1 metre, increasing to 1 to 2 metres outside the reef.

Winds: Southeasterly 20 to 30 knots decreasing to 20 to 25 knots in the early morning then increasing to 20 to 30 knots in the late afternoon.

Seas: 1 to 1.5 metres, increasing to 2 to 2.5 metres outside the reef.

Swell: Southeasterly below 1 metre, increasing to 1 to 2 metres outside the reef.

Winds: Southeasterly 20 to 25 knots.

Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres outside the reef.

Swell: East to southeasterly below 1 metre, increasing to 1 to 1.5 metres outside the reef.

Winds: Northeast to southeasterly 15 to 20 knots tending southeast to southwesterly 10 to 15 knots in the late afternoon.

Seas: 1 to 1.5 metres.

Swell: East to northeasterly below 1 metre.

Winds: Southeast to southwesterly 10 to 15 knots tending northeast to southeasterly 15 to 20 knots before dawn then tending southeast to southwesterly 10 to 15 knots in the late afternoon.

Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre during the afternoon.

Swell: East to northeasterly below 1 metre.

Winds: Southeast to southwesterly 15 to 20 knots tending northeast to southeasterly 15 to 25 knots during the morning then tending southeast to southwesterly 10 to 15 knots during the evening.

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

Swell: East to northeasterly below 1 metre.

Winds: Southeasterly 15 to 20 knots.

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

Swell: Southeasterly 1 to 1.5 metres. South to southeasterly below 1 metre inshore, increasing to around 1 metre offshore.

Winds: Southeasterly 15 to 20 knots.

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

Swell: Southeasterly 1 to 1.5 metres.

Winds: Southeasterly 10 to 15 knots turning easterly below 10 knots during the day.

Seas: Around 1 metre.

Swell: Southeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.

Winds: Southeasterly 15 to 20 knots.

Seas: 1 to 1.5 metres.

Swell: East to southeasterly below 1 metre, increasing to 1 to 2 metres outside the reef.

Winds: Southeasterly 15 to 20 knots, reaching up to 25 knots offshore east of Cape York in the evening.

Seas: 1 to 1.5 metres, increasing to 1 to 2 metres outside the reef.

Swell: East to southeasterly below 1 metre, increasing to 1 to 1.5 metres outside the reef.

Winds: Southeasterly 15 to 20 knots.

Seas: 1 to 2 metres.

Swell: East to southeasterly below 1 metre, increasing to 1 to 1.5 metres outside the reef.

Winds: Southeasterly 20 to 25 knots.

Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres outside the reef.

Swell: Easterly 1 to 2 metres outside the reef, decreasing to 1 to 1.5 metres during the afternoon.

Winds: Southeasterly 15 to 25 knots.

Seas: 1 to 2 metres.

Swell: Easterly 1 to 1.5 metres outside the reef.

Winds: Southeasterly 15 to 25 knots.

Seas: 1 to 1.5 metres, increasing to 1 to 2 metres outside the reef.

Swell: Easterly 1 to 1.5 metres outside the reef.