Australia Day begins warm before a hot mid-week spike across the Mornington Peninsula and Frankston, with UV expected to stay high to extreme. A cooler change is forecast for the weekend, with light showers possible on Saturday.
A shark sighting was reported off Merricks Beach in Western Port Bay on Saturday afternoon, with the animal listed as about 50 metres from shore, according to a public Dorsal Shark Reports entry.
A shark estimated at least 2m long was reported about 30m offshore at Somers Beach on Friday afternoon, according to a sighting logged on the Dorsal platform.
A whaler shark has been reported off Safety Beach after a jet ski rider spotted a dorsal fin about 400 metres from shore. The public report was logged on Dorsal Watch as summer shark sightings continue across the Mornington Peninsula.
Three people were rescued and brought to shore safely after emergency services responded to multiple reports of people in trouble in the water off Frankston Pier. Police also received reports of people jumping into deep water and urged the public to take extra precautions in extreme heat and windy conditions.
As at 04/01/26, the week ahead (05/01/26–10/01/26) starts mostly sunny with Extreme UV, peaks with midweek heat, then turns more changeable with showers and wind later in the week. Includes water quality and safety reminders.
Weekend beach report for Frankston and the Mornington Peninsula, with resolved water quality update, Portsea shark sighting reminder, weather and UV forecast, plus safety tips.
A 2.5 metre white shark has been reported about 150 metres off Portsea Beach, after a slow-swimming shark was spotted from a boat. Swimmers are urged to stay alert and follow any safety advice from authorities.
In our latest beach report for 27/12/25, bluebottles have been reported across the Peninsula foreshore, while no shark warnings are currently active. Read the full report and check local conditions, water quality forecasts and patrol information before entering the water.
Bluebottles have been reported across Peninsula beaches from Seaford and Frankston to Portsea, where the back beach closed for periods this week. Here’s what beachgoers should know, including safety advice and first aid steps if stung.
