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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Southern Pulse Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
If you’re heading to Largs Bay on the Lefevre Peninsula north-west of Adelaide, plan around the live forecast above and the low tide window for the best beach walking. The suburb sits between Semaphore and Largs North, with conditions shaped by Gulf St Vincent’s gentle sea breeze.
What’s driving today’s conditions for Largs Bay?
The live forecast above reflects a typical late-autumn mix for this coast. High pressure over the Bight keeps winds light to moderate south-westerlies, with sea temperatures hovering around 17°C. Swell from the west generally stays below 1 metre, but check Adelaide weather for any fronts pushing up from the Southern Ocean.
How do the tides affect Largs Bay today?
Tide times at Largs Bay follow a semi-diurnal pattern, with two highs and two lows daily. The low tide exposes wide sandy banks that stretch towards the Largs North jetty — ideal for a long walk or a spot of fishing. For precise tidal heights this week, consult the Bureau of Meteorology via BOM Largs Bay tide tables, or a WillyWeather tidal chart.
Is it safe to swim at Largs Bay today?
The live forecast above will show wind and wave data. Generally, Largs Bay has gentle surf, but lifeguards are seasonal. Avoid swimming near the outer jetty piling and check a severe weather warning if a southerly buster is predicted.
Where can I find a Largs Bay weather 14‑day forecast?
Long‑range outlooks come from the Bureau’s GFS model. The live forecast above updates daily, but for the full fortnight view use Weatherzone or BOM’s 7‑day graphical forecast for Semaphore weather, which covers Largs Bay closely.
Why does the breeze pick up in the afternoon?
Sea‑breeze effect: the land heats faster than the gulf, drawing in cool air from the water. This north‑west to south‑west shift is most noticeable from late morning, often reaching 20–25 km/h and dropping by dusk — hence many locals walk the foreshore at sunrise.