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

Frost Advisory issued February 2 at 12:53PM EST until February 3 at 9:00AM EST by NWS Miami FL

Effective: Mon February 2, 2026, 12:53 PM
Expires: Tue February 3, 2026, 9:00 AM

* WHAT...For the Frost Advisory, temperatures as low as 34 will result in frost formation. For the Cold Weather Advisory, very cold wind chills as low as 30 expected. * WHERE...Far South Miami-Dade County, Inland Miami-Dade County, and Mainland Monroe Counties. * WHEN...From 11 PM this evening to 9 AM EST Tuesday. * IMPACTS...Very cold temperatures can lead to hypothermia with prolonged exposure. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside. If you do not have heat in your home or lack shelter, you can call 211.

Cold Weather Advisory issued February 2 at 12:53PM EST until February 3 at 9:00AM EST by NWS Miami FL

Effective: Mon February 2, 2026, 12:53 PM
Expires: Tue February 3, 2026, 9:00 AM

* WHAT...For the Frost Advisory, temperatures as low as 34 will result in frost formation. For the Cold Weather Advisory, very cold wind chills as low as 30 expected. * WHERE...Far South Miami-Dade County, Inland Miami-Dade County, and Mainland Monroe Counties. * WHEN...From 11 PM this evening to 9 AM EST Tuesday. * IMPACTS...Very cold temperatures can lead to hypothermia with prolonged exposure. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside. If you do not have heat in your home or lack shelter, you can call 211.

Cold Weather Advisory issued February 2 at 12:53PM EST until February 3 at 9:00AM EST by NWS Miami FL

Effective: Mon February 2, 2026, 12:53 PM
Expires: Tue February 3, 2026, 9:00 AM

* WHAT...Very cold wind chills as low as 32 expected. * WHERE...Metro Broward County, Metro Palm Beach County, Metropolitan Miami Dade, and Coastal Collier County Counties. * WHEN...From 11 PM this evening to 9 AM EST Tuesday. * IMPACTS...Very cold temperatures can lead to hypothermia with prolonged exposure.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside. If you do not have heat in your home or lack shelter, you can call 211.

Rip Current Statement issued February 2 at 10:11PM EST until February 3 at 7:00PM EST by NWS Miami FL

Effective: Mon February 2, 2026, 10:11 PM
Expires: Tue February 3, 2026, 4:00 PM

* WHAT...Dangerous rip currents expected. * WHERE...Coastal Broward County and Coastal Miami Dade County. * WHEN...Through Tuesday evening. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. 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.