Station Name: Butternut Key, FL
Station Type: Fixed
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet

Nearest Address:
Offshore
Key Largo, FL 33037
Monroe County

GPS Coordinates: 25.087, -80.519

Nearby Water Temperatures

Fire Weather Watch issued April 20 at 3:51PM EDT until April 21 at 8:00PM EDT by NWS Miami FL

Effective: Mon April 20, 2026, 3:51 PM
Expires: Tue April 21, 2026, 6:00 AM

The National Weather Service in Miami has issued a Fire Weather Watch, which is in effect from Tuesday morning through Tuesday evening. * AFFECTED AREA...Fire Weather Zone 069 Coastal Collier County, Fire Weather Zone 163 Glades County Lake Region, Fire Weather Zone 166 Hendry County Lakes Region, Fire Weather Zone 170 Big Cypress, Fire Weather Zone 263 Glades County, Fire Weather Zone 266 Hendry County, Fire Weather Zone 270 Northern Collier and Fire Weather Zone 370 Southwest Collier. * TIMING...From 11 AM Tuesday morning through 8 PM Tuesday evening. * WINDS...Northeast 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 34 percent. * TEMPERATURES...Up to 83.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

Fire Weather Watch issued April 21 at 3:10AM EDT until April 21 at 8:00PM EDT by NWS Miami FL

Effective: Tue April 21, 2026, 3:10 AM
Expires: Tue April 21, 2026, 2:00 PM

* AFFECTED AREA...Fire Weather Zone 069 Coastal Collier County, Fire Weather Zone 163 Glades County Lake Region, Fire Weather Zone 166 Hendry County Lakes Region, Fire Weather Zone 170 Big Cypress, Fire Weather Zone 263 Glades County, Fire Weather Zone 266 Hendry County, Fire Weather Zone 270 Northern Collier and Fire Weather Zone 370 Southwest Collier. * TIMING...From 11 AM EDT this morning through this evening. * WINDS...Northeast 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 34 percent. * TEMPERATURES...Up to 83.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

Rip Current Statement issued April 20 at 3:53PM EDT until April 22 at 11:00AM EDT by NWS Miami FL

Effective: Mon April 20, 2026, 3:53 PM
Expires: Tue April 21, 2026, 6:00 AM

* WHAT...Dangerous rip currents. * WHERE...Coastal Broward County and Coastal Miami Dade County. * WHEN...Through Wednesday morning. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

Rip Current Statement issued April 21 at 2:09AM EDT until April 22 at 11:00AM EDT by NWS Miami FL

Effective: Tue April 21, 2026, 2:09 AM
Expires: Tue April 21, 2026, 4:00 PM

* WHAT...Dangerous rip currents. * WHERE...Coastal Broward County and Coastal Miami Dade County. * WHEN...Through Wednesday morning. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.