Mutton Snapper Spawn Peaks in the Keys as May Full Moon Fires the Bite

What's Biting

What's Next

**Short-Term Outlook (Next 2–3 Days)**

With the moon now past full and entering the waning gibbous phase, the peak of the mutton snapper spawn aggregation is likely just behind us — but per ALL IN Key West, the bite does not shut off overnight. Spawn-driven feeding typically remains elevated for several days as fish linger near aggregation sites before dispersing back to their home reefs. Expect the bite to stay productive through mid-week, with a gradual step-down in intensity as lunar tidal energy fades.

Winds at NOAA buoys SMKF1 and SANF1 are reading 11–15 mph as of this morning, with air temperatures near 80°F. These are manageable conditions for most offshore-capable boats. However, winds at this velocity can stack up a chop on the Atlantic side, so early-morning departures — before sea breeze reinforcement in the afternoon — will give anglers the smoothest runs to deep reef and wreck structure.

**What Should Turn On**

ALL IN Key West reports that May through July is shaping up as a "lights out" window for the full offshore menu — mahi-mahi, grouper, sharks, and kingfish alongside the snapper bite. As water temps consolidate in the upper 70s to low 80s, offshore bait schools (pilchards, threadfins, blue runners) become denser and more available, which in turn concentrates kingfish, sailfish, and early-summer mahi along current edges and weed lines.

On the Gulf side, cobia should continue to show up opportunistically near structure and near rays on the flats — ALL IN Key West flagged cobia in a recent trip without specifically targeting them. Any boat working grouper or snapper near bottom structure in 80–150 feet should keep a live bait rigged and ready on a flat-line.

**Timing Windows to Plan Around**

Deep wreck fishing in 200-plus feet — the presentation that produced mutton snapper and a rare Caribbean snapper for ALL IN Key West recently — is most effective during the two hours bracketing each tide change, when current slows enough to hold natural bait at depth without excessive weight. Check local tide tables for the day's first and last slack windows and plan anchor or drift sets accordingly. Weekend anglers who can get offshore by first light Saturday will have the cleanest shot at both the snapper bite and the live-bait offshore action before afternoon winds build.

Context

May is historically one of the most productive months on the Florida Keys calendar, and the current conditions align closely with what experienced captains expect at this time of year. The full-moon mutton snapper spawn aggregation is an annual event in the Keys, typically peaking in May, June, and July — ALL IN Key West explicitly frames the current bite in exactly those terms, calling the May–July window "lights out" for snapper and a broad mix of offshore species. The fact that captains are reporting heavy mutton and yellowtail action right now is on-schedule, not early or late.

Sailfish activity was noted as running ahead of schedule earlier in the season — ALL IN Key West flagged stronger-than-typical sailfish presence as of early March, attributing it to Gulfstream currents running close to Key West. Whether that early push has translated into a longer or stronger spring sailfish season is not directly confirmed by current intel, so that remains anecdotal context rather than a firm data point.

Water temperatures around 78°F (per NOAA buoy 41114, late April) are consistent with typical late-April–early-May Keys conditions. The Keys see water temps climb from the mid-70s in April toward the low 80s by June, which accelerates the transition into the full summer pattern — mahi offshore, tarpon on the flats, and sustained snapper production throughout. No comparative signal from Bud n' Mary's is available for May specifically; their most recent published report covers March 2026, offering no direct year-over-year comparison for this window. Based on charter intel alone, the 2026 season appears to be running at or slightly above the typical seasonal pace for this stretch of the calendar.