Terrey Hills Radar: Live 128km Loop & 512km Sydney Updates

If you’ve ever watched a storm roll toward Sydney and wondered exactly how close it really is, the Terrey Hills radar has probably crossed your mind at least once. It should come as no surprise — this installation sits 18 km north of the CBD, high on the Hornsby plateau, giving it a clear sightline across the entire Sydney basin. Below is a practical guide to what it shows, how to access every loop range, and what the data actually means for your plans.

Radar Range: 128 km · Location: Sydney (Terrey Hills) · Operator: Bureau of Meteorology (BOM) · Detection Altitude: 3,000 metres · Coverage North: Bulahdelah and Scone

The table below consolidates the key Terrey Hills radar specifications from the Bureau of Meteorology (BOM) and secondary sources including Seabreeze.

Terrey Hills Radar 512 today?

The 512 km extended-range view gives you the big picture — where rainfall bands are forming across the broader region before they reach the city. The Bureau of Meteorology publishes this wide-area precipitation image daily, and it’s particularly useful when you want to track systems that are still hours away from Sydney.

Accessing 512 km radar image

BOM provides the 512 km Sydney (Terrey Hills) view through its standard radar product page. Look for the product selector menu — you may need to switch from the default 128 km setting to see the extended-range display. The image is static (a single current capture rather than an animation) but updates throughout the day as new scans come in.

Third-party aggregators occasionally offer animated 512 km loops, though BOM itself currently publishes this as a single-frame product. Bookmark the official 128 km loop page and check the product switcher if you need the wider view.

Recent updates and interpretation

The 512 km image shows precipitation intensity using the same colour scale as the shorter-range products. Green shades indicate light to moderate rainfall, yellow signals heavier falls, and red or purple point to intense precipitation. Wind overlay options on the BOM site can help you distinguish between a slow-moving rain band and a fast-moving storm cell.

Because this product captures a wider area at lower resolution, fine details near the radar (such as individual shower cells within a few kilometres of Terrey Hills) may appear blended. For those details, switch to the 64 km or 128 km loop.

128 km Radar Loop Terrey Hills live?

The 128 km loop is where most people spend their time, and with good reason — it’s the most detailed real-time view of what’s happening over Sydney right now. The Terrey Hills radar sits at an elevation of 195 metres on the Hornsby plateau, giving it an unobstructed line-of-sight across the Sydney basin (Seabreeze weather community publication). That vantage point translates directly into sharper imagery for the 128 km radius.

Viewing live 128 km loop

BOM offers two live loop variants at this range. The IDR71A loop shows 5-minute rainfall scans — the fastest update cycle available from Terrey Hills. The IDR71C loop displays rainfall since 9 am, giving you a cumulative view of how precipitation has built up through the day. Both are animated sequences of radar scans that refresh automatically.

If you prefer a third-party interface, The Weather Chaser live radar aggregator mirrors the live 128 km data with an interactive viewer that updates every 5 minutes. Oscilmet radar loop tool goes further, offering a 25-scan loop with playback speed controls — useful if you want to watch a storm’s approach at accelerated speed.

Coverage details: north to Bulahdelah

The northern edge of the 128 km range extends past Bulahdelah and Scone, which means the radar picks up weather systems approaching from the ocean northeast of Sydney. The southern boundary covers the Illawarra coastline, including Wollongong. Anything closer than about 20 km from the radar site may appear slightly exaggerated in intensity — this is a known characteristic of S-band radar geometry, not an error in the data.

Terrey Hills Radar loop 256 today?

The 256 km mid-range view is a useful middle ground between the detailed 128 km loop and the wide 512 km snapshot. It covers a larger chunk of the coast and inland areas without sacrificing as much resolution as the extended-range product.

256 km loop access

BOM’s product selector on the main radar page allows you to switch to the 256 km view. The loop animates through recent scans at the same 5-minute cadence as the 128 km product, giving you a consistent update rate across all ranges. Look for the range dropdown or navigation tabs on the BOM IDR71B product page — the same product page hosts multiple range variants.

The 256 km view is particularly valuable during events where rainfall is scattered across a wide corridor — a line of storms that stretches from the Hunter region down toward the Illawarra may not fit neatly within the 128 km window. The mid-range loop lets you track the whole feature in one view.

BOM Sydney 256 live

The BOM Sydney 256 km product uses the same IDR71 radar code as the other Terrey Hills ranges — the product selector simply changes the scan window, not the radar hardware. Each scan at this range covers more area in a single capture, which means the loop updates feel slightly less granular in time than the 5-minute 128 km animation. The data quality is identical; it’s purely a matter of spatial scale.

Terrey Hills Radar loop 64 today?

The 64 km close-range loop is your sharpest tool for short-term rain tracking — it zooms into the Sydney basin proper and picks up details that the longer ranges smooth over.

Short-range 64 km loop

BOM’s product selector includes a 64 km option that narrows the display window to roughly the greater Sydney metropolitan area. At this range, individual shower cells, thunderstorm cores, and sea-breeze convergence zones become visible as distinct features rather than blended colour patches.

The 64 km loop is especially useful for timing decisions — if you’re planning an outdoor activity in the next 1–2 hours, this is the view that tells you whether a cell is heading your way or veering east out to sea. The 5-minute update cycle means you’re never more than a few minutes behind the latest scan.

Sydney Radar 64 integration

The Sydney Radar 64 product is part of the same IDR71 family as the other ranges. BOM labels vary by product code (IDR71A for the 5-minute 128 km loop, IDR71B for hourly rainfall, IDR71C for the since-9 am cumulative view), but all draw from the same Terrey Hills source. When selecting ranges on the BOM site, look for the numeric range selector — 64, 128, 256, or 512 km — rather than hunting for a separate “Sydney Radar 64” page.

Terrey Hills Radar old?

Accessing past radar imagery is less straightforward than pulling up a live loop, but it’s possible — and useful when you want to verify whether a particular storm behaved as the radar suggested it would.

Accessing historical radar

The Weather Chaser free archive tool provides free access to archived radar imagery alongside its live views. You can select a date range and pull historical scans for the Terrey Hills site, which is useful for reviewing past storm events or verifying precipitation totals against ground observations. For those interested in the local conditions, the Cairns weather forecast is readily available. Cairns weather forecast

Oscilmet also retains scan history for its loop products, though access depends on how far back the server retains data — typically several days for recent scans. Neither third-party source is officially affiliated with BOM, so cross-reference with the official BOM archive if you need data for formal analysis.

BOM archive options

BOM main products portal provides access to the Bureau’s radar archive, though the interface is geared toward recent products rather than long-term historical retrieval. For research or insurance purposes that require formally verified historical radar imagery, contact BOM directly through their business services portal.

For short-term review, the 1-hour rainfall product (IDR71B) gives you a consistent precipitation summary that can serve as a proxy for historical radar data — each image shows cumulative rainfall for the past hour, and you can compare consecutive frames to reconstruct how a weather event developed.

How to use Terrey Hills radar

Reading radar imagery correctly takes a bit of practice, but the core skills are straightforward. Here’s a step-by-step guide to getting the most out of each product.

Step 1: Choose your range

Start with the 128 km loop for a real-time overview. If a storm is still well offshore and you want early warning, check the 512 km view first, then narrow down. For timing decisions within the next 1–2 hours, switch to the 64 km loop for maximum detail.

Step 2: Read the colour scale

Green indicates light rainfall (up to about 2 mm per hour). Yellow means moderate to heavy (2–10 mm per hour). Orange and red indicate intense precipitation over 10 mm per hour. Purple or dark red suggests very heavy rainfall or possible hail. The colour scale on BOM radar pages is consistent across all range views.

Step 3: Track movement

Run the loop animation and watch how features move. Use the play button on the BOM loop or the speed controls on third-party sites like Oscilmet. A cell moving northeast is likely heading toward the Central Coast; one moving southwest is heading for the Illawarra and potentially southern Sydney suburbs.

Step 4: Check the timestamp

Each radar frame has a timestamp. Note the time of the most recent scan before making a decision — a loop that hasn’t updated in 20 minutes during an active weather event may be showing stale data. The IDR71A 5-minute product updates most frequently; check the banner on the product page if you’re unsure.

Step 5: Combine with warnings

BOM recommends checking current weather warnings alongside radar loops (Bureau of Meteorology official notice). Radar shows where precipitation is, not necessarily where damage or danger is occurring. If the BOM has issued a severe thunderstorm warning for your area, treat that as the authoritative signal — the radar is a tool for timing and location, not a substitute for official alerts.

The Sydney (Terrey Hills) radar is undergoing routine maintenance. There may be intermittent outages on 16/02/2026.

— Bureau of Meteorology, Official Maintenance Notice

Elevation of 195m provides clear line-of-sight for radar over Sydney basin.

— Seabreeze weather community publication

The implication: for anyone who lives or operates in the Sydney basin — whether you’re an event organiser, a commuter, or just someone who hates getting caught in downpours — the Terrey Hills radar is a practical tool you can use for free in under five minutes. The range options let you shift from big-picture awareness (512 km) to micro-timing decisions (64 km) without switching tools. The one thing to keep in mind: bookmark an alternative radar location or MetEye in your browser before the next scheduled maintenance window rolls around. When that window opens, you will have no live view from Terrey Hills until BOM restores service.