Key Largo & John Pennekamp Coral Reef State Park, FL

Today’s Forecast:

Today’s Report:

About Key Largo & John Pennekamp Coral Reef State Park

The forecast point for Key Largo & John Pennekamp Coral Reef State Park represents conditions near Key Largo, while exposed water, beaches, wetlands, courses, or remote access within the coverage area may differ. The day’s key decisions involve marine wind and waves, reef visibility, tides, lightning, and boat operations.

Planning an Outing at John Pennekamp Coral Reef State Park

Check marine wind and waves, reef visibility, tides, lightning, and boat operations for the exact access point and activity—not just the nearest city forecast. Confirm current park, refuge, marina, ramp, ferry, road, bridge, course, or operator notices that apply to Key Largo & John Pennekamp Coral Reef State Park, and preserve enough daylight and shelter margin to change plans.

Weather Tips for Key Largo

• Check wind, tides, marine forecasts, beach flags or inlet current, and water-quality notices for the exact access area.
• Leave beaches, boats, piers, jetties, and exposed shorelines immediately when thunder is heard.
• During tropical threats, follow local evacuation, bridge, marina, ferry, campground, and coastal-closure instructions; storm surge may affect access before landfall.
• Check conditions near Florida Bay shortly before the activity starts.
• Use sun protection, hydration, insect protection, and a reliable lightning shelter.

Nearby Towns and Areas

Use this forecast as practical context for outdoor plans near:

• Largo Sound
• Molasses Reef
• Florida Bay
• Tavernier
• Dagny Johnson hammock
• Rodriguez Key

Adjust the Day to the Forecast

Use a protected mangrove route when offshore seas reduce reef access, and confirm concession, boat, and Overseas Highway status before departure.

7-Day Forecast for John Pennekamp Coral Reef State Park, FL

Weather by Season

Winter

Dry-season visibility can be excellent between fronts; offshore wind and waves still determine whether boats leave port. For boating near Key Largo, check the destination-specific forecast and operating notice before committing.

Spring

Reef and bay trips benefit from early calm periods, with sea breeze and lightning increasingly limiting afternoons. For paddling near Largo Sound, check the destination-specific forecast and operating notice before committing.

Summer

Offshore heat and lightning require early departures and rapid shelter; visibility can fall after heavy rain or rough weather. For fishing near Molasses Reef, check the destination-specific forecast and operating notice before committing.

Fall

Tropical swell and cancellations remain possible before cooler air returns; each front then resets wind and visibility. For camping near Florida Bay, check the destination-specific forecast and operating notice before committing.

Key Climate Data Points

• Annual average temperature: roughly 76–79°F in South Florida and the Keys.
• Annual snowfall: measurable snowfall is essentially absent; rare cold snaps can still bring frost inland.
• Warmest months: July and August are generally hottest, with heat index often more important than air temperature.
• Coolest months: January is usually coolest; passing cold fronts can create abrupt wind and temperature changes.
• Wettest season: Summer and early fall usually bring the most rain, thunderstorms, and tropical moisture.
• Driest season: Late fall through spring is generally drier, with regional drought and wildfire concerns possible.
• Best outdoor window: Late fall through spring often offers lower humidity; warm-season plans benefit from early starts and storm flexibility.