Red drum pushing inshore at Charleston Harbor as late-May warmup peaks

What's Biting

What's Next

With 77°F water on buoy 41004 and a first-quarter moon driving stronger-than-average solunar pulls through the weekend, inshore timing windows should center on the two hours bracketing each tide change — especially the incoming push, which floods marsh grass edges and drives redfish onto feeding flats. Salt Strong's breakdown of how redfish position at oyster bars is worth reviewing before heading out: outgoing tide moves fish to the downcurrent edge of bars, while incoming tide can scatter them across the flat's high side.

Black drum will continue holding near pilings, docks, and bridge structure. Salt Strong notes these fish feed most actively in slow or slack current rather than at peak flow — plan to fish right before the tide turns rather than at the height of the push. Small fiddler crabs or cut clams presented tight to structure remain the standard offering around the harbor.

Sheepshead share the same dock and bridge habitat as black drum and remain an active structure bite through late May per Salt Strong. These fish are notoriously quick to mouth and drop baits, so a tight-line, short-strike hookset cadence pays off.

Nearshore, Fisherman's Post rates Atlantic bonito "excellent" from Wrightsville Beach out to the five-mile mark, a bite that typically tracks southward along the SC coast on the same forage migration. Spanish mackerel are typical nearshore company for bonito at this time of year in South Atlantic waters. Trolling small metal jigs or live bait should be productive in the 3–7-mile range.

One regulatory note for offshore anglers: Sport Fishing Mag reported that SC was included in a newly expanded 39-day red snapper pilot program for 2026, but Coastal Angler Magazine reported a federal court halted the Atlantic red snapper season the day before its Memorial Day launch. Check current regulations before targeting snapper offshore — the situation was in flux as of May 24.

Late May is also the traditional peak window for cobia in SC nearshore waters, with buoy temps in the mid-to-upper 70s matching the thermal band these fish typically follow while tracking rays and sharks across nearshore structure. No direct Charleston-area captain reports confirmed cobia in this feed cycle, but conditions align well with the seasonal window.

Context

Late May at Charleston Harbor consistently marks the transition into summer inshore patterns, and a 77°F surface reading from buoy 41004 lands squarely in the range anglers here expect by Memorial Day weekend. Most years, water temperatures in the harbor and adjacent coastal zone climb out of the spring 60s by mid-May and reach the mid-to-upper 70s by the last week of the month — which is exactly where conditions sit right now.

Red drum are present in Charleston Harbor year-round, but late May is historically when slot fish begin concentrating on shallow flats and oyster bars as water stabilizes above the 75°F mark. The spring push Fisherman's Post describes from North Carolina beaches aligns with the standard South Atlantic inshore movement pattern — fish that overwintered in deeper coastal or inlet water migrating back toward productive marsh habitat as temperatures climb. Nothing in this week's data suggests the season is running early or late; it reads on-schedule.

Black drum activity in late May is also within the seasonal norm for Charleston Harbor's structural habitat. The spring run typically peaks between March and May; by mid-June, warming water tends to push these fish toward deeper, cooler structure. The current window represents the tail end of the prime black drum season in this harbor system — a good time to prioritize the species before summer conditions shift the bite.

SC Sea Grant's 2026 commercial seafood apprenticeship update from McClellanville reflects continued investment in South Carolina's coastal fishing ecosystem. No comparative abundance data from prior seasons was available in the reporting feeds to assess whether this spring is above or below recent averages. The honest read: conditions appear typical for the date, with no obvious boom or bust signals in the available data.