Station Name: CONNECTICUT RIVER AT OLD LYME, CT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 20 feet / 6 meters

Nearest Address:
336 Ferry Rd
Old Lyme, CT 06371
New London County

GPS Coordinates: 41.3125983, -72.3459166

Nearby Water Temperatures

Flood Watch issued July 31 at 2:14PM EDT until August 1 at 8:00AM EDT by NWS Upton NY

Effective: Thu July 31, 2025, 2:14 PM
Expires: Fri August 1, 2025, 8:00 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southern Connecticut, including the following areas, Northern Middlesex, Northern New Haven, Northern New London, Southern Middlesex, Southern New Haven and Southern New London and southeast New York, including the following areas, Northeast Suffolk, Northwest Suffolk, Southeast Suffolk and Southwest Suffolk. * WHEN...Through Friday morning. * IMPACTS...Scattered to numerous instances of urban, poor drainage and riverine flash flooding are possible. Localized severe flooding may cause an elevated threat to life and property, particularly Thursday afternoon and Thursday night. * ADDITIONAL DETAILS... - A widespread 1.5 to 3 inches of rain is likely, with localized amounts up to 5 inches. Rainfall rates could exceed 2+ inches per hour, especially for areas south. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Flood Watch issued July 31 at 2:14PM EDT until August 1 at 8:00AM EDT by NWS Upton NY

Effective: Thu July 31, 2025, 2:14 PM
Expires: Fri August 1, 2025, 8:00 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southern Connecticut, including the following areas, Northern Middlesex, Northern New Haven, Northern New London, Southern Middlesex, Southern New Haven and Southern New London and southeast New York, including the following areas, Northeast Suffolk, Northwest Suffolk, Southeast Suffolk and Southwest Suffolk. * WHEN...Through Friday morning. * IMPACTS...Scattered to numerous instances of urban, poor drainage and riverine flash flooding are possible. Localized severe flooding may cause an elevated threat to life and property, particularly Thursday afternoon and Thursday night. * ADDITIONAL DETAILS... - A widespread 1.5 to 3 inches of rain is likely, with localized amounts up to 5 inches. Rainfall rates could exceed 2+ inches per hour, especially for areas south. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Flood Watch issued July 31 at 2:14PM EDT until August 1 at 8:00AM EDT by NWS Upton NY

Effective: Thu July 31, 2025, 2:14 PM
Expires: Fri August 1, 2025, 8:00 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southern Connecticut, including the following areas, Northern Middlesex, Northern New Haven, Northern New London, Southern Middlesex, Southern New Haven and Southern New London and southeast New York, including the following areas, Northeast Suffolk, Northwest Suffolk, Southeast Suffolk and Southwest Suffolk. * WHEN...Through Friday morning. * IMPACTS...Scattered to numerous instances of urban, poor drainage and riverine flash flooding are possible. Localized severe flooding may cause an elevated threat to life and property, particularly Thursday afternoon and Thursday night. * ADDITIONAL DETAILS... - A widespread 1.5 to 3 inches of rain is likely, with localized amounts up to 5 inches. Rainfall rates could exceed 2+ inches per hour, especially for areas south. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Rip Current Statement issued July 31 at 5:53PM EDT until August 1 at 9:00PM EDT by NWS Upton NY

Effective: Thu July 31, 2025, 5:53 PM
Expires: Fri August 1, 2025, 9:00 PM

* WHAT...Dangerous rip currents expected. * WHERE...Southeast Suffolk County. * WHEN...From Friday morning through Friday evening. * IMPACTS...Life-threatening rip currents are likely for all people entering the surf zone. Anyone visiting the beaches should stay out of the surf. Rip currents can sweep even the best swimmers away from shore into deeper water.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.