Saturday: Northeast to southeasterly 15/20 knots. Seas: Around 1 metre, increasing to 1/1.5 metres outside the reef. Swell: East to southeasterly 1/1.5 metres outside the reef. Weather: The chance of thunderstorms. Sunday: Winds above 34 knots possible depending on movement and development of Tropical Cyclone Gillian. Seas: Seas and swell exceeding 4m. Weather: Heavy rain north of Cape Grenville. Scattered thunderstorms. Outlook Monday: Above 48 knots possible depending on movement and development of Tropical Cyclone Gillian. Seas: Seas and swell up to 4m. Weather: Heavy rain south of Cape Grenville until evening. Isolated thunderstorms. Outlook Tuesday: Tropical System Location At 10:0 pm EST Tropical Cyclone Gillian was located about 125 nautical miles west of Thursday Island and 145 nautical miles northwest of Weipa. Centre located near 10.9S 140.1E. Recent movement has been towards the southeast at 7 knots. North to northwesterly 15/25 knots tending west to northwesterly 15/20 knots during the evening. Seas: 1/2 metres, decreasing below 1.5 metres during the afternoon. Swell: Northwest to northeasterly 1/1.5 metres, decreasing to around 1 metre during the evening. Weather: Isolated thunderstorms.Issued Sat 23:32 EST
14:55 EDT Tropical lows in the Gulf of Carpentaria and Coral Sea could intensify into tropical cyclones tomorrow morning before possibly making landfall on Monday morning.