Station Name: FOSTER BRANCH NEAR JOPPATOWNE, MD
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 39 feet

Nearest Address:
504 Foster Knoll Dr
Joppatowne, MD 21085
Harford County

GPS Coordinates: 39.40852778, -76.34263889

Nearby Water Temperatures

Coastal Flood Advisory issued April 18 at 7:46AM EDT until April 19 at 10:00AM EDT by NWS Baltimore MD/Washington DC

Effective: Sat April 18, 2026, 7:46 AM
Expires: Sat April 18, 2026, 8:00 PM

* WHAT...Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE...Shoreline in Anne Arundel County. * WHEN...From 3 AM to 10 AM EDT Sunday, especially around the time of high tide. * IMPACTS...At 2.8 feet, flooding of some of the parking area near Dock Street in Annapolis may occur, with water surrounding the Alex Haley Memorial. * ADDITIONAL DETAILS...Tides one to one and a half feet above normal. The affected high tide at Annapolis U.S. Naval Academy is at 7:26 AM Sunday morning.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

Coastal Flood Advisory issued April 18 at 1:37AM EDT until April 19 at 3:00AM EDT by NWS Mount Holly NJ

Effective: Sat April 18, 2026, 1:37 AM
Expires: Sat April 18, 2026, 2:45 PM

* WHAT...Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...In Delaware, New Castle. In New Jersey, Salem. * WHEN...From 11 PM this evening to 3 AM EDT Sunday. * IMPACTS...At this level, flooding begins on the most vulnerable roads along tidal waterways. Some partial or full road closures are possible.

A Coastal Flood Advisory means that minor tidal flooding is expected. Minor tidal flooding often results in some road closures. Usually, the most vulnerable roadways will flood. Do not leave your vehicle at a location that is prone to tidal flooding. Do not drive your vehicle through flood waters. The water may be deeper than you think it is. You will be putting yourself in danger and your vehicle may be damaged, leading to costly repairs. Visit the National Water Prediction Service at https://water.noaa.gov/wfo/phi for additional water level and flood impact information for your local tide gauge.

Coastal Flood Advisory issued April 18 at 2:59AM EDT until April 19 at 3:00AM EDT by NWS Mount Holly NJ

Effective: Sat April 18, 2026, 2:59 AM
Expires: Sat April 18, 2026, 4:00 PM

* WHAT...Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...In Delaware, New Castle. In New Jersey, Salem. * WHEN...From 11 PM this evening to 3 AM EDT Sunday. * IMPACTS...At this level, flooding begins on the most vulnerable roads along tidal waterways. Some partial or full road closures are possible.

A Coastal Flood Advisory means that minor tidal flooding is expected. Minor tidal flooding often results in some road closures. Usually, the most vulnerable roadways will flood. Do not leave your vehicle at a location that is prone to tidal flooding. Do not drive your vehicle through flood waters. The water may be deeper than you think it is. You will be putting yourself in danger and your vehicle may be damaged, leading to costly repairs. Visit the National Water Prediction Service at https://water.noaa.gov/wfo/phi for additional water level and flood impact information for your local tide gauge.

Freeze Watch issued April 18 at 12:33PM EDT until April 21 at 9:00AM EDT by NWS State College PA

Effective: Sat April 18, 2026, 12:33 PM
Expires: Sun April 19, 2026, 12:45 AM

* WHAT...Sub-freezing temperatures as low as 26 possible. * WHERE...A portion of central Pennsylvania. * WHEN...From late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Those with agricultural interests should protect sensitive vegetation. Freezing temperatures could kill crops and other sensitive vegetation.