Simple Tides / Guides / Metal Detecting the Beach

Metal Detecting the Beach: Why Low Tide Is Prime Time

More exposed sand means more ground to search, and the wet sand near the waterline — only reachable when the tide is out — is where a lot of lost jewelry and coins tend to concentrate after wave action sorts through the sand.

Chase the lowest lows

Every low tide exposes some beach, but the lowest lows of the month — around the spring tides near new and full moon — expose noticeably more of it, including sections of wet sand that stay underwater most of the rest of the time. Planning a trip around those lower-than-usual lows is one of the simplest ways to improve your odds.

Work the wet sand line

The zone right at the waterline, where waves are actively washing back and forth, is often the most productive because that's exactly where the surf naturally sorts and concentrates denser objects like coins and rings, while carrying lighter sand and debris away.

After a storm is often better than any single tide

A storm or a period of unusually high surf can strip away a season's worth of sand in a single event, exposing older, deeper targets that a normal low tide never would. Checking a beach in the day or two after a storm, on a low tide, is a combination a lot of experienced detectorists specifically watch for.

Plan around the incoming tide, not just the low

Check the timeline for your nearest station, not just today's low tide time — see our guide to reading a tide chart — so you know how much time you actually have before the water returns, especially if you're working a sandbar, jetty, or a stretch of beach that can cut off a return path as the tide comes back in.

Related: tide pooling guide, rip current safety.