In what is becoming an annoying weather pattern for 2025 as we head towards the weekend, rain is on the radar.

A coastal trough off NSW is expected to deepen into a low-pressure system on Saturday. That low will bring an increase in wind, rain and damaging surf this weekend.

The Mid North Coast will feel the brunt of the weather system, with Coffs Harbour expecting up to 50mm on Saturday and a further 35mm on Sunday. Another two hours south in Port Macquarie, the forecast is up to 70mm on Saturday and 25mm on Sunday.

For Lismore and the Northern Rivers, the low-pressure system will bring wind, rain, and large waves. How much depends on how lucky we are.

Coastal towns like Ballina and Byron will start to feel the effects of the low this afternoon as the rain moves in and are expected to be wetter across the weekend. Ballina is expecting 2mm to 15mm today, 2mm to 20mm on Saturday and 7mm to 30mm on Sunday.

For Lismore, a shower or two is expected today with the potential for up to 6mm. The chance of rain on Saturday increases to 80% with 1mm to 15mm forecast, while Sunday is predicted to be the wettest day, with 5mm to 25mm and strong southwesterly winds.

The Bureau of Meteorology have issued multiple flood watches for the mid north coast, the Hunter and the northwest slopes.

As the low moves off the north coast on Sunday, the threat of large and powerful waves, with damaging surf, is expected to occur on the Northern Rivers coastline.

The BoM says showers will ease on Monday, and a shower or two is possible for the rest of next week.