Florida Keys • Upper and Middle Florida Keys
When do yellowtail snapper bite in the Florida Keys?
Yellowtail Snapper are open year round on the reef line and the patch reefs, well up off the bottom, in 79-87 F water with the best bite between 81 and 84 F. These bands are drafted from published thermal preferences rather than measured in this water, and the daily FishIntel report says where that water sits this morning.
How does FishIntel forecast the best days to catch yellowtail snapper?
FishIntel reads NOAA and satellite ocean data, including sea surface temperature breaks and chlorophyll edges, and turns changes near your zone into a plain-English yellowtail snapper forecast. See a sample report at fishintel.ai/sample-report.
79-87°F
Best between 81-84°F.
Open year round in Atlantic state and federal waters, and FWC applies the Atlantic rule to all Monroe County state waters: 12 in total length, up to 10 per person within the 10 snapper aggregate bag (FWC, read 2026-09-30). Private-boat anglers need the free State Reef Fish Angler designation, and reef fish gear rules apply, including a descending device or venting tool rigged and ready (FWC, read 2026-09-30). Regulations change, so check the current rules for the species you are targeting before treating a rating as a plan.
Confirm current rules before you keep a fish. Official rules: FWC, NOAA Fisheries.
These bands are NOT yet calibrated against observed water for Upper and Middle Florida Keys and come from published thermal preferences rather than a season of local observations.
A band and a season tell you whether yellowtail snapper is on the cards this month. They do not tell you where the water is doing something today. A FishIntel report reads the actual sea surface temperature, chlorophyll fronts and current convergence over your own zone every morning, and says which of those edges is worth running to.
FishIntel was co-founded by Captain Kit Carson and Alan Lanham.