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 January 30 at 2:14PM EST until February 1 at 10:00AM EST by NWS Miami FL

Effective: Fri January 30, 2026, 2:14 PM
Expires: Sat January 31, 2026, 7:00 AM

* WHAT...For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 40 mph expected. For the Cold Weather Advisory, Very cold wind chills as low as the low to mid 20s expected. * WHERE...Coastal Broward County, Coastal Miami Dade County, Far South Miami-Dade County, Metro Broward County, Metropolitan Miami Dade, Coastal Collier County, and Mainland Monroe Counties. * WHEN...For the Wind Advisory, from 2 PM Saturday to 7 AM EST Sunday. For the Cold Weather Advisory, from 10 PM Saturday to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Very cold temperatures can lead to hypothermia with prolonged exposure.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. 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 metro Collier County and 311 for metro Miami-Dade/Broward County.

Wind Advisory issued January 30 at 2:14PM EST until February 1 at 7:00AM EST by NWS Miami FL

Effective: Fri January 30, 2026, 2:14 PM
Expires: Sat January 31, 2026, 7:00 AM

* WHAT...For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 40 mph expected. For the Cold Weather Advisory, Very cold wind chills as low as the low to mid 20s expected. * WHERE...Coastal Broward County, Coastal Miami Dade County, Far South Miami-Dade County, Metro Broward County, Metropolitan Miami Dade, Coastal Collier County, and Mainland Monroe Counties. * WHEN...For the Wind Advisory, from 2 PM Saturday to 7 AM EST Sunday. For the Cold Weather Advisory, from 10 PM Saturday to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Very cold temperatures can lead to hypothermia with prolonged exposure.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. 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 metro Collier County and 311 for metro Miami-Dade/Broward County.

Wind Advisory issued January 31 at 3:48AM EST until February 1 at 10:00AM EST by NWS Key West FL

Effective: Sat January 31, 2026, 3:48 AM
Expires: Sat January 31, 2026, 1:00 PM

* WHAT...Northwest winds near 30 mph with gusts up to 45 mph expected. * WHERE...Monroe Lower Keys and Monroe Middle Keys. * WHEN...From 7 PM this evening to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.

Wind Advisory issued January 31 at 3:48AM EST until February 1 at 10:00AM EST by NWS Key West FL

Effective: Sat January 31, 2026, 3:48 AM
Expires: Sat January 31, 2026, 1:00 PM

* WHAT...For the Wind Advisory, northwest winds 25 to 30 mph with gusts up to 40 mph expected. For the Cold Weather Advisory, very cold wind chills as low as 27 expected. * WHERE...Monroe Upper Keys. * WHEN...For the Wind Advisory, from 7 PM this evening to 10 AM EST Sunday. For the Cold Weather Advisory, from 10 PM this evening to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Very cold temperatures can lead to hypothermia with prolonged exposure.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.

Cold Weather Advisory issued January 31 at 3:48AM EST until February 1 at 10:00AM EST by NWS Key West FL

Effective: Sat January 31, 2026, 3:48 AM
Expires: Sat January 31, 2026, 1:00 PM

* WHAT...For the Wind Advisory, northwest winds 25 to 30 mph with gusts up to 40 mph expected. For the Cold Weather Advisory, very cold wind chills as low as 27 expected. * WHERE...Monroe Upper Keys. * WHEN...For the Wind Advisory, from 7 PM this evening to 10 AM EST Sunday. For the Cold Weather Advisory, from 10 PM this evening to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Very cold temperatures can lead to hypothermia with prolonged exposure.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.

Wind Advisory issued January 31 at 1:31AM EST until February 1 at 7:00AM EST by NWS Miami FL

Effective: Sat January 31, 2026, 1:31 AM
Expires: Sat January 31, 2026, 3:00 PM

* WHAT...For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 45 mph expected. For the Cold Weather Advisory, Very cold wind chills as low as the low to mid 20s expected. * WHERE...Coastal Broward County, Coastal Miami Dade County, Far South Miami-Dade County, Metro Broward County, Metropolitan Miami Dade, Coastal Collier County, and Mainland Monroe Counties. * WHEN...For the Wind Advisory, from 2 PM this afternoon to 7 AM EST Sunday. For the Cold Weather Advisory, from 10 PM this evening to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Very cold temperatures can lead to hypothermia with prolonged exposure.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. 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 metro Collier County and 311 for metro Miami-Dade/Broward County.

Cold Weather Advisory issued January 31 at 1:31AM EST until February 1 at 10:00AM EST by NWS Miami FL

Effective: Sat January 31, 2026, 1:31 AM
Expires: Sat January 31, 2026, 3:00 PM

* WHAT...For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 45 mph expected. For the Cold Weather Advisory, Very cold wind chills as low as the low to mid 20s expected. * WHERE...Coastal Broward County, Coastal Miami Dade County, Far South Miami-Dade County, Metro Broward County, Metropolitan Miami Dade, Coastal Collier County, and Mainland Monroe Counties. * WHEN...For the Wind Advisory, from 2 PM this afternoon to 7 AM EST Sunday. For the Cold Weather Advisory, from 10 PM this evening to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Very cold temperatures can lead to hypothermia with prolonged exposure.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. 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 metro Collier County and 311 for metro Miami-Dade/Broward County.

Freeze Warning issued January 30 at 2:14PM EST until February 1 at 10:00AM EST by NWS Miami FL

Effective: Fri January 30, 2026, 2:14 PM
Expires: Sat January 31, 2026, 7:00 AM

* WHAT...For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 40 mph expected. Sub-freezing temperatures as low as the upper 20s to lower 30s expected. Apparent temperatures as low as the low to mid 20s. * WHERE...Inland Broward County, Inland Miami-Dade County, and Inland Collier County Counties. * WHEN...For the Wind Advisory, from 2 PM Saturday to 7 AM EST Sunday. For the Cold Weather Advisory and Freeze Warning, from 10 PM Saturday to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. 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. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.

Cold Weather Advisory issued January 30 at 2:14PM EST until February 1 at 10:00AM EST by NWS Miami FL

Effective: Fri January 30, 2026, 2:14 PM
Expires: Sat January 31, 2026, 7:00 AM

* WHAT...For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 40 mph expected. Sub-freezing temperatures as low as the upper 20s to lower 30s expected. Apparent temperatures as low as the low to mid 20s. * WHERE...Inland Broward County, Inland Miami-Dade County, and Inland Collier County Counties. * WHEN...For the Wind Advisory, from 2 PM Saturday to 7 AM EST Sunday. For the Cold Weather Advisory and Freeze Warning, from 10 PM Saturday to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. 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. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.

Wind Advisory issued January 30 at 2:14PM EST until February 1 at 7:00AM EST by NWS Miami FL

Effective: Fri January 30, 2026, 2:14 PM
Expires: Sat January 31, 2026, 7:00 AM

* WHAT...For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 40 mph expected. Sub-freezing temperatures as low as the upper 20s to lower 30s expected. Apparent temperatures as low as the low to mid 20s. * WHERE...Inland Broward County, Inland Miami-Dade County, and Inland Collier County Counties. * WHEN...For the Wind Advisory, from 2 PM Saturday to 7 AM EST Sunday. For the Cold Weather Advisory and Freeze Warning, from 10 PM Saturday to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. 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. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.

Wind Advisory issued January 31 at 1:31AM EST until February 1 at 7:00AM EST by NWS Miami FL

Effective: Sat January 31, 2026, 1:31 AM
Expires: Sat January 31, 2026, 3:00 PM

* WHAT...For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 45 mph expected. Sub-freezing temperatures as low as the upper 20s to lower 30s expected. Apparent temperatures as low as the low to mid 20s. * WHERE...Inland Broward County, Inland Miami-Dade County, and Inland Collier County Counties. * WHEN...For the Wind Advisory, from 2 PM this afternoon to 7 AM EST Sunday. For the Freeze Warning and Cold Weather Advisory, from 10 PM this evening to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. 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. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.

Freeze Warning issued January 31 at 1:31AM EST until February 1 at 10:00AM EST by NWS Miami FL

Effective: Sat January 31, 2026, 1:31 AM
Expires: Sat January 31, 2026, 3:00 PM

* WHAT...For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 45 mph expected. Sub-freezing temperatures as low as the upper 20s to lower 30s expected. Apparent temperatures as low as the low to mid 20s. * WHERE...Inland Broward County, Inland Miami-Dade County, and Inland Collier County Counties. * WHEN...For the Wind Advisory, from 2 PM this afternoon to 7 AM EST Sunday. For the Freeze Warning and Cold Weather Advisory, from 10 PM this evening to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. 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. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.

Cold Weather Advisory issued January 31 at 1:31AM EST until February 1 at 10:00AM EST by NWS Miami FL

Effective: Sat January 31, 2026, 1:31 AM
Expires: Sat January 31, 2026, 3:00 PM

* WHAT...For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 45 mph expected. Sub-freezing temperatures as low as the upper 20s to lower 30s expected. Apparent temperatures as low as the low to mid 20s. * WHERE...Inland Broward County, Inland Miami-Dade County, and Inland Collier County Counties. * WHEN...For the Wind Advisory, from 2 PM this afternoon to 7 AM EST Sunday. For the Freeze Warning and Cold Weather Advisory, from 10 PM this evening to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. 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. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.