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.
Warmer weather returns this week, but so does the wind. Here’s the BOM outlook for Frankston and the Mornington Peninsula, plus key safety notes on UV and marine conditions.
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.
Conditions are mixed across Frankston and the Mornington Peninsula for the week starting 12 January 2026, with water quality a key consideration, Very High to Extreme UV levels early in the week, and a midweek shift to stronger winds, showers and possible thunderstorms.
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.
Beach report for Mornington Peninsula and Frankston week commencing 29/12/25, covering a Portsea shark sighting, the Sweetwater Creek and Frankston Beach sewage spill advisory, and ongoing bluebottle jellyfish activity. Check warnings before swimming.
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.
