🌊 Weekly Red Tide Update

Marco Island & Florida

Week of July 15, 2026

🟢 Overall Risk: VERY LOW

It’s another encouraging week for beachgoers across Southwest Florida. State monitoring continues to show no active red tide bloom affecting Marco Island, with conditions remaining among the best seen this summer. Florida’s weekly monitoring also indicates no significant red tide activity statewide. (FWC)

🏖️ Marco Island

🌊 Current Beach Conditions

• 🟢 Red Tide Risk: Very Low

• 🟢 Swimming: Excellent

• 🟢 Water Clarity: Good to Excellent

• 🟢 Respiratory Irritation Risk: None Expected

• 🟢 Fish Kills: None Reported

Collier County reports no respiratory irritation and no red tide-related fish kills, with no impacts expected for Marco Island beaches at this time. (Collier County)

🌴 Southwest Florida

The latest sampling across Southwest Florida continues to show favorable conditions.

County Highlights

• ✅ Collier County: No impacts expected.

• ✅ Lee County: No significant bloom reported.

• ✅ Charlotte County: Background or no detectable concentrations.

• ✅ Sarasota & Manatee Counties: No widespread bloom activity.

Only isolated background concentrations of Karenia brevis have been detected, well below levels typically associated with beach closures or respiratory irritation. (FWC)

🐬 Marine Life

Good news for wildlife lovers:

• 🐟 No widespread fish kills linked to red tide.

• 🐬 No unusual marine mammal mortality events related to red tide.

• 🐢 Sea turtle nesting season continues without significant red tide impacts on Marco Island beaches. (FWC)

🌦️ Outlook for the Coming Week

Warm Gulf waters remain favorable for algae growth during summer, but there are no signs of a developing harmful bloom. Winds, currents and thunderstorms can quickly change local conditions, so state scientists will continue routine monitoring. (FWC)

🏆 Beach Health Score

⭐ Overall Beach Score

9.8/10 – Excellent

Marco Island remains one of the best beach destinations in Florida this week, with clean water, no reported respiratory irritation, and no significant red tide impacts.

💡 Before You Visit

Although conditions are excellent, red tide can change rapidly due to shifting winds and ocean currents. The Florida Fish and Wildlife Conservation Commission updates its statewide report every Friday, with additional information posted midweek when needed. (FWC)