Australian Government Bureau of Meteorology
Updated Great Barrier Reef Offshore Waters Forecast: Bowen to Yeppoon
Issued at 4:59 pm EST on Tuesday 28 April 2015
for the period until midnight EST Friday 1 May 2015.
Please be aware
Wind gusts can be 40 percent stronger than the averages given here, and maximum waves may be up to twice the height. Wind warnings are issued for today and tomorrow and describe the highest category of wind warning for that day.
A strong high over the Southern Ocean will move slowly east during the forecast period, gradually strengthening the easterly flow over north Queensland waters. A trough or low pressure system may develop during Thursday and move rapidly southwards into Friday.Forecast for Tuesday 28 April until midnight
Winds: E to SE 15 to 20 knots, reaching 25 knots at times south of Gannet Cay. Winds increasing to 20 to 25 knots throughout in the evening.
Seas: 1.2 to 1.7 metres, reaching 2.2 metres south of Gannet Cay in the evening.
Swell: ESE 1.5 metres through the Capricorn Channel.
Weather: Isolated showers.Forecast for Wednesday 29 April
Winds: E to SE 15 to 20 knots. Winds increasing to 20 to 25 knots south of Gannet Cay in the evening.
Seas: 1.7 to 2.2 metres.
Swell: ESE 2 metres through the Capricorn Channel, increasing to 2 to 3 metres in the evening.
Weather: Showers.Forecast for Thursday 30 April
Winds: North of Gannet Cay: E to SE 15 to 20 knots, tending variable 10 knots during the morning, then S to SE 10 to 15 knots in the evening. South of Gannet Cay: E 20 to 25 knots, tending variable to 10 knots in the evening. Wind magnitudes and directions are highly uncertain due to possible formation of low.
Seas: 1.2 to 2.2 metres.
Swell: ESE 2 to 3 metres in the Capricorn Channel.
Weather: Scattered showers and isolated thunderstorms.Forecast for Friday 1 May
Winds: W to SW 15 to 20 knots, easing to 10 to 15 knots in the evening. Winbds tending variable 10 knots south of Gannet Cay during the early morning. Wind magntitudes and directions are highly uncertain due to possible formation of low.
Seas: 1.2 to 1.7 metres.
Swell: ESE 3 metres in the Capricorn Channel.
Weather: Isolated showers and possible thunderstorms.
The next routine forecast will be issued at 4:45 am EST Wednesday.
* Calls to 1300 numbers cost around 27.5c incl. GST, higher from mobiles or public phones. Marine forecasts are also available on VHF and HF radio. View the radio schedule on www.bom.gov.au/marine
Check the latest Coastal Waters Forecasts for information on wind, wave and weather conditions for neighbouring coastal zones.