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

Elevation Above Sea Level: 16 feet

Nearest Address:
State Hwy 40
Astor, FL 32102
Volusia County

GPS Coordinates: 29.16692445, -81.5220157

Nearby Water Temperatures

Fire Weather Watch issued April 20 at 2:07AM EDT until April 21 at 6:00PM EDT by NWS Melbourne FL

Effective: Mon April 20, 2026, 2:07 AM
Expires: Tue April 21, 2026, 6:00 PM

...Low humidity and gusty northeast winds may produce a High Fire Danger on Tuesday across interior portions of east central Florida... The National Weather Service in Melbourne has issued a Fire Weather Watch, which is in effect Tuesday afternoon. * AFFECTED AREA... Inland Volusia... Northern Lake... Orange... Seminole... Osceola... Okeechobee... Southern Lake. * WIND...Northeast to east-northeast winds 15 to 20 mph with frequent higher gusts. * HUMIDITY...28 to 35 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

Rip Current Statement issued April 19 at 11:39PM EDT until April 21 at 4:00AM EDT by NWS Melbourne FL

Effective: Sun April 19, 2026, 11:39 PM
Expires: Tue April 21, 2026, 4:00 AM

* WHAT...Dangerous rip currents, rough surf and a strong southward-flowing longshore current. * WHERE...Beaches of Volusia, Brevard, Indian River, St Lucie, and Martin Counties. * WHEN...Through late Monday night. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Rip currents are powerful channels of water flowing quickly away from shore, which occur most often at low spots or breaks in the sandbar and in the vicinity of structures such as jetties and piers. Heed the advice of lifeguards, beach patrol flags and signs. Entering the surf is strongly discouraged. 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.

Red Flag Warning issued April 20 at 2:42PM EDT until April 21 at 8:00PM EDT by NWS Melbourne FL

Effective: Mon April 20, 2026, 2:42 PM
Expires: Tue April 21, 2026, 8:00 PM

...Low humidity and gusty northeast winds may produce a High Fire Danger on Tuesday across interior portions of east central Florida... The National Weather Service in Melbourne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM EDT Tuesday. * AFFECTED AREA... Inland Volusia... Lake... Orange... Seminole... Osceola... Okeechobee. * WIND...Northeast to east-northeast winds 15 to 20 mph with frequent higher gusts. * HUMIDITY...28 to 35 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

Rip Current Statement issued April 20 at 2:36AM EDT until April 21 at 2:00AM EDT by NWS Jacksonville FL

Effective: Mon April 20, 2026, 2:36 AM
Expires: Tue April 21, 2026, 2:00 AM

* WHAT...Dangerous rip currents expected. * WHERE...Northeast Florida Beaches. * WHEN...From 8 AM EDT this morning through late tonight. * IMPACTS...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.

Red Flag Warning issued April 20 at 8:03PM EDT until April 21 at 8:00PM EDT by NWS Jacksonville FL

Effective: Mon April 20, 2026, 8:03 PM
Expires: Tue April 21, 2026, 4:15 AM

...RED FLAG WARNING HAS EXPIRED FOR INLAND SOUTHEAST GEORGIA AND NORTHEAST FLORIDA FOR MONDAY... * AFFECTED AREA...In Florida, Baker, Inland Nassau, Union, Bradford, Gilchrist, Eastern Clay, Eastern Alachua, Eastern Putnam, Eastern Marion, Trout River, Western Clay, Western Alachua, Western Putnam, Central Marion, Northern Columbia, Western Marion, Southeastern Columbia, Western Duval and Southwestern Columbia. * TIMING...Tuesday late morning through evening. * WINDS...Northeast to easterly 10 to 15 mph with gusts 20 to 25 mph. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...Up to 85. * LIGHTNING... * IMPACTS...Existing or newly ignited wildfires may exhibit erratic fire behavior, spread rapidly and become difficult to contain or suppress.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.