Station Name: ST. JOHNS RIVER AT JACKSONVILLE, FL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
S Acosta Bridge
Jacksonville, FL 32202
Duval County

GPS Coordinates: 30.3224616, -81.6653735

Nearby Water Temperatures

Freeze Watch issued January 18 at 10:29AM EST until January 20 at 8:00AM EST by NWS Jacksonville FL

Effective: Sun January 18, 2026, 10:29 AM
Expires: Mon January 19, 2026, 9:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 25 expected. For the Cold Weather Advisory, very cold wind chills as low as 22 expected. For the Freeze Watch, sub-freezing temperatures as low as 28 possible. * WHERE...Portions of northeast and northern Florida. * WHEN...For the Freeze Warning, from 9 PM this evening to 9 AM EST Monday. For the Cold Weather Advisory, from 1 AM to 9 AM EST Monday. For the Freeze Watch, from late Monday night through Tuesday morning. * IMPACTS...The cold wind chills as low as 20 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.

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. 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 January 18 at 10:29AM EST until January 19 at 9:00AM EST by NWS Jacksonville FL

Effective: Sun January 18, 2026, 10:29 AM
Expires: Mon January 19, 2026, 9:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 31 expected. For the Cold Weather Advisory, very cold wind chills as low as 24 expected. * WHERE...A portion of northeast Florida. * WHEN...For the Freeze Warning, from 9 PM this evening to 9 AM EST Monday. For the Cold Weather Advisory, from 1 AM to 9 AM EST Monday. * IMPACTS...The cold wind chills as low as 25 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.

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. 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.

Freeze Warning issued January 18 at 10:29AM EST until January 19 at 9:00AM EST by NWS Jacksonville FL

Effective: Sun January 18, 2026, 10:29 AM
Expires: Mon January 19, 2026, 9:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 31 expected. For the Cold Weather Advisory, very cold wind chills as low as 24 expected. * WHERE...A portion of northeast Florida. * WHEN...For the Freeze Warning, from 9 PM this evening to 9 AM EST Monday. For the Cold Weather Advisory, from 1 AM to 9 AM EST Monday. * IMPACTS...The cold wind chills as low as 25 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.

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. 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.

Freeze Warning issued January 18 at 10:29AM EST until January 19 at 9:00AM EST by NWS Jacksonville FL

Effective: Sun January 18, 2026, 10:29 AM
Expires: Mon January 19, 2026, 9:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 25 expected. For the Cold Weather Advisory, very cold wind chills as low as 22 expected. For the Freeze Watch, sub-freezing temperatures as low as 28 possible. * WHERE...Portions of northeast and northern Florida. * WHEN...For the Freeze Warning, from 9 PM this evening to 9 AM EST Monday. For the Cold Weather Advisory, from 1 AM to 9 AM EST Monday. For the Freeze Watch, from late Monday night through Tuesday morning. * IMPACTS...The cold wind chills as low as 20 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.

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. 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 January 18 at 10:29AM EST until January 19 at 9:00AM EST by NWS Jacksonville FL

Effective: Sun January 18, 2026, 10:29 AM
Expires: Mon January 19, 2026, 9:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 25 expected. For the Cold Weather Advisory, very cold wind chills as low as 22 expected. For the Freeze Watch, sub-freezing temperatures as low as 28 possible. * WHERE...Portions of northeast and northern Florida. * WHEN...For the Freeze Warning, from 9 PM this evening to 9 AM EST Monday. For the Cold Weather Advisory, from 1 AM to 9 AM EST Monday. For the Freeze Watch, from late Monday night through Tuesday morning. * IMPACTS...The cold wind chills as low as 20 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.

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. 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 January 18 at 11:24PM EST until January 19 at 9:00AM EST by NWS Jacksonville FL

Effective: Sun January 18, 2026, 11:24 PM
Expires: Mon January 19, 2026, 9:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 29. For the Cold Weather Advisory, very cold wind chills as low as 23 expected. * WHERE...Coastal Duval, Coastal Flagler, Northeast Coastal St. Johns, South Central Duval, and Southeast Coastal St. Johns Counties. * WHEN...Until 9 AM EST Monday. * IMPACTS...The cold wind chills as low as 23 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.

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. Take steps now to protect tender plants from the cold.

Freeze Warning issued January 18 at 11:24PM EST until January 19 at 9:00AM EST by NWS Jacksonville FL

Effective: Sun January 18, 2026, 11:24 PM
Expires: Mon January 19, 2026, 9:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 29. For the Cold Weather Advisory, very cold wind chills as low as 23 expected. * WHERE...Coastal Duval, Coastal Flagler, Northeast Coastal St. Johns, South Central Duval, and Southeast Coastal St. Johns Counties. * WHEN...Until 9 AM EST Monday. * IMPACTS...The cold wind chills as low as 23 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.

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. Take steps now to protect tender plants from the cold.

Cold Weather Advisory issued January 18 at 11:24PM EST until January 19 at 9:00AM EST by NWS Jacksonville FL

Effective: Sun January 18, 2026, 11:24 PM
Expires: Mon January 19, 2026, 9:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 25. For the Cold Weather Advisory, very cold wind chills as low as 21 expected. For the Freeze Watch, sub-freezing temperatures as low as 27 possible. * WHERE...Northeast and north central Florida. * WHEN...For the Freeze Warning and Cold Weather Advisory, until 9 AM EST Monday. For the Freeze Watch, from Monday evening through Tuesday morning. * IMPACTS...The cold wind chills as low as 20 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.

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. 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 January 18 at 11:24PM EST until January 19 at 9:00AM EST by NWS Jacksonville FL

Effective: Sun January 18, 2026, 11:24 PM
Expires: Mon January 19, 2026, 9:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 25. For the Cold Weather Advisory, very cold wind chills as low as 21 expected. For the Freeze Watch, sub-freezing temperatures as low as 27 possible. * WHERE...Northeast and north central Florida. * WHEN...For the Freeze Warning and Cold Weather Advisory, until 9 AM EST Monday. For the Freeze Watch, from Monday evening through Tuesday morning. * IMPACTS...The cold wind chills as low as 20 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.

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. 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 Watch issued January 18 at 11:24PM EST until January 20 at 8:00AM EST by NWS Jacksonville FL

Effective: Sun January 18, 2026, 11:24 PM
Expires: Mon January 19, 2026, 9:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 25. For the Cold Weather Advisory, very cold wind chills as low as 21 expected. For the Freeze Watch, sub-freezing temperatures as low as 27 possible. * WHERE...Northeast and north central Florida. * WHEN...For the Freeze Warning and Cold Weather Advisory, until 9 AM EST Monday. For the Freeze Watch, from Monday evening through Tuesday morning. * IMPACTS...The cold wind chills as low as 20 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.

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. 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.

Special Weather Statement issued January 19 at 6:27AM EST by NWS Jacksonville FL

Effective: Mon January 19, 2026, 6:27 AM
Expires: Mon January 19, 2026, 8:15 AM

A few slick spots on area roadways will be possible early this morning, as moisture left over from Sundays rains may freeze.

Freeze Warning issued January 18 at 11:24PM EST until January 19 at 9:00AM EST by NWS Jacksonville FL

Effective: Sun January 18, 2026, 11:24 PM
Expires: Mon January 19, 2026, 9:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 27. For the Cold Weather Advisory, very cold wind chills as low as 23 expected. For the Freeze Watch, sub-freezing temperatures as low as 30 possible. * WHERE...Coastal Nassau, Eastern Clay, Eastern Putnam, Inland Flagler, Northern Inland St. Johns, Southern Inland St. Johns, and Western St. Johns Counties. * WHEN...For the Freeze Warning and Cold Weather Advisory, until 9 AM EST Monday. For the Freeze Watch, from Monday evening through Tuesday morning. * IMPACTS...The cold wind chills as low as 25 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.

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. 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 January 18 at 11:24PM EST until January 19 at 9:00AM EST by NWS Jacksonville FL

Effective: Sun January 18, 2026, 11:24 PM
Expires: Mon January 19, 2026, 9:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 27. For the Cold Weather Advisory, very cold wind chills as low as 23 expected. For the Freeze Watch, sub-freezing temperatures as low as 30 possible. * WHERE...Coastal Nassau, Eastern Clay, Eastern Putnam, Inland Flagler, Northern Inland St. Johns, Southern Inland St. Johns, and Western St. Johns Counties. * WHEN...For the Freeze Warning and Cold Weather Advisory, until 9 AM EST Monday. For the Freeze Watch, from Monday evening through Tuesday morning. * IMPACTS...The cold wind chills as low as 25 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.

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. 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 Watch issued January 18 at 11:24PM EST until January 20 at 8:00AM EST by NWS Jacksonville FL

Effective: Sun January 18, 2026, 11:24 PM
Expires: Mon January 19, 2026, 9:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 27. For the Cold Weather Advisory, very cold wind chills as low as 23 expected. For the Freeze Watch, sub-freezing temperatures as low as 30 possible. * WHERE...Coastal Nassau, Eastern Clay, Eastern Putnam, Inland Flagler, Northern Inland St. Johns, Southern Inland St. Johns, and Western St. Johns Counties. * WHEN...For the Freeze Warning and Cold Weather Advisory, until 9 AM EST Monday. For the Freeze Watch, from Monday evening through Tuesday morning. * IMPACTS...The cold wind chills as low as 25 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.

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. 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.