Keys Flats at 78°F: Peak Tarpon Window Opens With Expanded Snapper Season

What's Biting

What's Next

The next 72 hours set up well for anglers willing to work the tides. With water sitting at 78°F, tarpon are actively moving on the shallow flats, and both permit and bonefish should be visible in clear conditions during incoming tidal pushes. The waning gibbous moon drives moderate tidal swings — the prime windows will be the first two hours of incoming tide at first light and the last two hours of the outgoing before dark. These are the windows when light angles are favorable, fish are feeding up on the edges, and presentations in the skinny water can draw aggressive responses.

As daytime temperatures climb into the upper 80s and beyond, Coastal Angler Magazine highlights a strategy worth adopting for this stretch of the season: launching late afternoon and fishing into the evening. In the Keys, this translates well to tarpon and snook working the channels and bridge lights after the sun drops and boat traffic thins. Midday on a bright, calm day is typically the most difficult window on the flats — fish are wary and visibility cuts both ways.

Offshore, the near-term headline is the anticipated red snapper season opening under the newly approved EFPs. Saltwater Sportsman and Sport Fishing Mag both confirm federal approval for expanded 2026 access on Florida's Atlantic side; Anglers Journal notes the season is structured as a 39-day split program. Verify exact open dates and current bag limits via official state channels before heading to the reef — but it's worth staging appropriate bottom rigs now. Mahi-mahi are a logical parallel offshore target through May, as southerly winds push sargassum weedlines and debris offshore. Trolling ballyhoo along color changes is the baseline approach; Sport Fishing Mag's pitch-baiting coverage is directly applicable here — keeping a live bait ready on a flat-line rod when mahi pop around the spread can convert lookers into boated fish quickly.

A sustained easterly or southeastern wind in the coming days would help clear the oceanside flats and sharpen visibility for sight-casting to permit and bonefish — worth watching the forecast before committing to a half-day pole trip versus an offshore run.

Context

Early May in the Florida Keys ranks among the most anticipated periods on the saltwater calendar in the Southeast, and current conditions are running consistent with that expectation. The 78°F reading at NOAA buoy 41114 aligns closely with historical norms for this time of year — Gulf Stream influence typically keeps Keys waters warmer than the broader South Florida coast, and upper-70s readings are precisely what drive tarpon migrations to peak intensity. The Keys tarpon run generally spans April through June, with the largest concentrations arriving in May and into early June as permit also stack on nearshore wrecks and backcountry flats.

The regulatory picture carries notable historical weight this season. Saltwater Sportsman, Sport Fishing Mag, and Anglers Journal all cover the 2026 expanded red snapper access under federally approved EFPs — a development that represents a meaningful shift for Florida's Atlantic fishery, which has operated under tighter restrictions than the Gulf side for years. If the pilot data-collection program succeeds, it could reshape access to this species in the South Atlantic over the long term. Anglers should confirm specific season dates and bag limits before targeting snapper, as the exact open windows are subject to final state implementation.

No live charter or tackle-shop reports from the Keys are available in the current intel feeds, so a direct year-over-year comparison isn't possible this cycle. Based on the buoy data and seasonal baselines alone, conditions appear on schedule — nothing unusual in either direction. Anglers making their first May trip to the Keys should expect classic flats-fishing conditions: early-morning starts, careful approach by pole or wade, and patience rewarded by one of the most technical and visual fisheries on the East Coast.