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

Cold Weather Advisory issued February 1 at 10:46AM EST until February 2 at 10:00AM EST by NWS Miami FL

Effective: Sun February 1, 2026, 10:46 AM
Expires: Sun February 1, 2026, 7:00 PM

* WHAT...Very cold wind chills as low as 25 expected. * WHERE...Coastal Broward County, Coastal Miami Dade County, Coastal Palm Beach County, Far South Miami-Dade County, Metro Broward County, Metro Palm Beach County, Metropolitan Miami Dade, Coastal Collier County, and Mainland Monroe Counties. * WHEN...From 7 PM this evening to 10 AM EST Monday. * 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 for assistance locating appropriate shelter from the cold.

Cold Weather Advisory issued February 1 at 7:04PM EST until February 2 at 10:00AM EST by NWS Miami FL

Effective: Sun February 1, 2026, 7:04 PM
Expires: Mon February 2, 2026, 9:00 AM

* WHAT...Very cold wind chills as low as the middle to upper 20s. * WHERE...Coastal Broward County, Coastal Miami Dade County, Coastal Palm Beach County, Far South Miami-Dade County, Metro Broward County, Metro Palm Beach County, Metropolitan Miami Dade, Coastal Collier County, and Mainland Monroe Counties. * WHEN...Until 10 AM EST Monday. * 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 for assistance locating appropriate shelter from the cold.

Cold Weather Advisory issued February 1 at 3:57PM EST until February 2 at 10:00AM EST by NWS Key West FL

Effective: Sun February 1, 2026, 3:57 PM
Expires: Mon February 2, 2026, 10:00 AM

* WHAT...Very cold wind chills as low as 27 expected. * WHERE...Monroe Upper Keys. * WHEN...From 10 PM this evening to 10 AM EST Monday. * IMPACTS...Very cold temperatures can lead to hypothermia with prolonged exposure.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.

Rip Current Statement issued February 1 at 10:51AM EST until February 2 at 7:00PM EST by NWS Miami FL

Effective: Sun February 1, 2026, 10:51 AM
Expires: Mon February 2, 2026, 4:00 AM

* WHAT...Dangerous rip currents expected. * WHERE...Coastal Palm Beach County, Coastal Broward County and Coastal Miami Dade County. * WHEN...Through Monday 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.

Cold Weather Advisory issued February 1 at 10:46AM EST until February 2 at 10:00AM EST by NWS Miami FL

Effective: Sun February 1, 2026, 10:46 AM
Expires: Sun February 1, 2026, 7:00 PM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 28 expected. For the Cold Weather Advisory, very cold wind chills as low as 22 expected. * WHERE...Inland Broward County, Inland Miami-Dade County, Inland Palm Beach County, Glades, Hendry, and Inland Collier County Counties. * WHEN...For the Freeze Warning, from 7 PM this evening to 9 AM EST Monday. For the Cold Weather Advisory, from 7 PM this evening to 10 AM EST Monday. * IMPACTS...Very cold temperatures can lead to hypothermia with prolonged exposure. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

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 for assistance locating appropriate shelter from the cold. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.

Freeze Warning issued February 1 at 10:46AM EST until February 2 at 9:00AM EST by NWS Miami FL

Effective: Sun February 1, 2026, 10:46 AM
Expires: Sun February 1, 2026, 7:00 PM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 28 expected. For the Cold Weather Advisory, very cold wind chills as low as 22 expected. * WHERE...Inland Broward County, Inland Miami-Dade County, Inland Palm Beach County, Glades, Hendry, and Inland Collier County Counties. * WHEN...For the Freeze Warning, from 7 PM this evening to 9 AM EST Monday. For the Cold Weather Advisory, from 7 PM this evening to 10 AM EST Monday. * IMPACTS...Very cold temperatures can lead to hypothermia with prolonged exposure. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

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 for assistance locating appropriate shelter from the cold. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.

Freeze Warning issued February 1 at 7:04PM EST until February 2 at 9:00AM EST by NWS Miami FL

Effective: Sun February 1, 2026, 7:04 PM
Expires: Mon February 2, 2026, 9:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 28. For the Cold Weather Advisory, very cold wind chills as low as the low to mid 20s. * WHERE...Inland Broward County, Inland Miami-Dade County, Inland Palm Beach County, Glades, Hendry, and Inland Collier County Counties. * WHEN...For the Freeze Warning, until 9 AM EST Monday. For the Cold Weather Advisory, until 10 AM EST Monday. * IMPACTS...Very cold temperatures can lead to hypothermia with prolonged exposure. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

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 for assistance locating appropriate shelter from the cold. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.

Cold Weather Advisory issued February 1 at 7:04PM EST until February 2 at 10:00AM EST by NWS Miami FL

Effective: Sun February 1, 2026, 7:04 PM
Expires: Mon February 2, 2026, 9:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 28. For the Cold Weather Advisory, very cold wind chills as low as the low to mid 20s. * WHERE...Inland Broward County, Inland Miami-Dade County, Inland Palm Beach County, Glades, Hendry, and Inland Collier County Counties. * WHEN...For the Freeze Warning, until 9 AM EST Monday. For the Cold Weather Advisory, until 10 AM EST Monday. * IMPACTS...Very cold temperatures can lead to hypothermia with prolonged exposure. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

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 for assistance locating appropriate shelter from the cold. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.