7 National Weather Service alerts are in force for Sussex County: 2 coastal flood watches, a rip current statement, a wind advisory, 2 coastal flood advisories and 1 other kind.
Checked Tue, Sep 22, 2026, 11:14 AM EDT. Times are Eastern Daylight Time.
Every watch, warning and advisory the National Weather Service has in force over Sussex County, Delaware. Open it for the live map, where it pans and zooms.
Map layer from NOAA National Weather Service. Boundaries from the Iowa Environmental Mesonet.
Alerts in force7
Every product in force for Sussex County, worst first, with its full text.
Coastal Flood Watch
Moderate
Coastal Flood Watch issued September 22 at 4:42AM EDT until September 25 at 1:00AM EDT by NWS Mount Holly NJ
Begins Until 3 days left
Areas Kent, DE; Inland Sussex, DE
Full text
* WHAT...For the Coastal Flood Advisory, up to one foot of
inundation above ground level expected in low-lying areas near
shorelines and tidal waterways. For the Coastal Flood Watch,
one to two feet of inundation above ground level possible in
low- lying areas near shorelines and tidal waterways.
* WHERE...Kent and Inland Sussex.
* WHEN...For the Coastal Flood Advisory, from 4 PM this
afternoon to 10 PM EDT this evening. For the Coastal Flood
Watch, from Wednesday afternoon through late Thursday night.
* IMPACTS...At this level, widespread roadway flooding occurs in
coastal and bayside communities and along inland tidal
waterways. Many roads become impassable. Some damage to
vulnerable structures may begin to occur.
* ADDITIONAL DETAILS...Moderate tidal flooding could continue
through at least Friday evening's high tide or perhaps longer.
What to do
A Coastal Flood Watch means that conditions favorable for
flooding are expected to develop.
Be prepared to begin taking appropriate action to protect life
and property. Follow the recommendations of local emergency
management officials. Be sure to check the latest forecast from
time to time in case a warning is issued or any new information
becomes available.
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 Watch issued September 22 at 4:42AM EDT until September 25 at 1:00AM EDT by NWS Mount Holly NJ
Begins Until 3 days left
Areas Delaware Beaches, DE
Full text
* WHAT...For the High Rip Current Risk, dangerous rip currents
expected. For the Coastal Flood Advisory, up to one foot of
inundation above ground level expected in low-lying areas near
shorelines and tidal waterways. For the High Surf Advisory,
large breaking waves of 6 to 12 feet expected in the surf
zone. For the Coastal Flood Watch, one to two feet of
inundation above ground level possible in low-lying areas near
shorelines and tidal waterways.
* WHERE...Delaware Beaches.
* WHEN...For the High Rip Current Risk, from 8 AM EDT this
morning through Friday afternoon. For the Coastal Flood
Advisory, from 4 PM this afternoon to 10 PM EDT this evening.
For the High Surf Advisory, from 8 PM this evening to 6 PM EDT
Friday. For the Coastal Flood Watch, from Wednesday afternoon
through late Thursday night.
* IMPACTS...At this level, widespread roadway flooding occurs in
coastal and bayside communities and along inland tidal
waterways. Many roads become impassable. Some damage to
vulnerable structures may begin to occur. Dangerous swimming
and surfing conditions and localized beach erosion. Rip
currents can sweep even the best swimmers away from shore into
deeper water.
* ADDITIONAL DETAILS...Significant beach erosion is likely
through this week and into the weekend. Moderate tidal
flooding could continue through Friday or perhaps longer.
What to do
A Coastal Flood Watch means that conditions favorable for
flooding are expected to develop.
Be prepared to begin taking appropriate action to protect life
and property. Follow the recommendations of local emergency
management officials. Be sure to check the latest forecast from
time to time in case a warning is issued or any new information
becomes available.
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.
Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.
Always obey posted Beach Flags. If you enter the surf zone,
always have a floatation device with you and swim near a
lifeguard if possible. If caught in a rip current, relax and
float and do not swim against the current. If able, swim parallel
to the shoreline. If unable to escape, face the shore and call or
wave for help.
Rip Current Statement issued September 22 at 4:42AM EDT until September 25 at 6:00PM EDT by NWS Mount Holly NJ
Issued Until 3 days left
Areas Delaware Beaches, DE
Full text
* WHAT...For the High Rip Current Risk, dangerous rip currents
expected. For the Coastal Flood Advisory, up to one foot of
inundation above ground level expected in low-lying areas near
shorelines and tidal waterways. For the High Surf Advisory,
large breaking waves of 6 to 12 feet expected in the surf
zone. For the Coastal Flood Watch, one to two feet of
inundation above ground level possible in low-lying areas near
shorelines and tidal waterways.
* WHERE...Delaware Beaches.
* WHEN...For the High Rip Current Risk, from 8 AM EDT this
morning through Friday afternoon. For the Coastal Flood
Advisory, from 4 PM this afternoon to 10 PM EDT this evening.
For the High Surf Advisory, from 8 PM this evening to 6 PM EDT
Friday. For the Coastal Flood Watch, from Wednesday afternoon
through late Thursday night.
* IMPACTS...At this level, widespread roadway flooding occurs in
coastal and bayside communities and along inland tidal
waterways. Many roads become impassable. Some damage to
vulnerable structures may begin to occur. Dangerous swimming
and surfing conditions and localized beach erosion. Rip
currents can sweep even the best swimmers away from shore into
deeper water.
* ADDITIONAL DETAILS...Significant beach erosion is likely
through this week and into the weekend. Moderate tidal
flooding could continue through Friday or perhaps longer.
What to do
A Coastal Flood Watch means that conditions favorable for
flooding are expected to develop.
Be prepared to begin taking appropriate action to protect life
and property. Follow the recommendations of local emergency
management officials. Be sure to check the latest forecast from
time to time in case a warning is issued or any new information
becomes available.
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.
Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.
Always obey posted Beach Flags. If you enter the surf zone,
always have a floatation device with you and swim near a
lifeguard if possible. If caught in a rip current, relax and
float and do not swim against the current. If able, swim parallel
to the shoreline. If unable to escape, face the shore and call or
wave for help.
Wind Advisory issued September 22 at 2:51AM EDT until September 24 at 12:00AM EDT by NWS Mount Holly NJ
Begins Until 36 hr 46 min left
Areas Delaware Beaches, DE; Eastern Monmouth, NJ; Atlantic Coastal Cape May, NJ; Coastal Atlantic, NJ; Coastal Ocean, NJ
Full text
* WHAT...Northeast winds 25 to 35 mph with gusts up to 45 mph
expected.
* WHERE...In Delaware, Delaware Beaches County. In New Jersey,
Eastern Monmouth, Atlantic Coastal Cape May, Coastal Atlantic, and
Coastal Ocean Counties.
* WHEN...From 6 AM Wednesday to midnight EDT Wednesday Night.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
What to do
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
Secure outdoor objects.
Coastal Flood Advisory issued September 22 at 4:42AM EDT until September 22 at 10:00PM EDT by NWS Mount Holly NJ
Begins Until 10 hr 46 min left
Areas Delaware Beaches, DE
Full text
* WHAT...For the High Rip Current Risk, dangerous rip currents
expected. For the Coastal Flood Advisory, up to one foot of
inundation above ground level expected in low-lying areas near
shorelines and tidal waterways. For the High Surf Advisory,
large breaking waves of 6 to 12 feet expected in the surf
zone. For the Coastal Flood Watch, one to two feet of
inundation above ground level possible in low-lying areas near
shorelines and tidal waterways.
* WHERE...Delaware Beaches.
* WHEN...For the High Rip Current Risk, from 8 AM EDT this
morning through Friday afternoon. For the Coastal Flood
Advisory, from 4 PM this afternoon to 10 PM EDT this evening.
For the High Surf Advisory, from 8 PM this evening to 6 PM EDT
Friday. For the Coastal Flood Watch, from Wednesday afternoon
through late Thursday night.
* IMPACTS...At this level, widespread roadway flooding occurs in
coastal and bayside communities and along inland tidal
waterways. Many roads become impassable. Some damage to
vulnerable structures may begin to occur. Dangerous swimming
and surfing conditions and localized beach erosion. Rip
currents can sweep even the best swimmers away from shore into
deeper water.
* ADDITIONAL DETAILS...Significant beach erosion is likely
through this week and into the weekend. Moderate tidal
flooding could continue through Friday or perhaps longer.
What to do
A Coastal Flood Watch means that conditions favorable for
flooding are expected to develop.
Be prepared to begin taking appropriate action to protect life
and property. Follow the recommendations of local emergency
management officials. Be sure to check the latest forecast from
time to time in case a warning is issued or any new information
becomes available.
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.
Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.
Always obey posted Beach Flags. If you enter the surf zone,
always have a floatation device with you and swim near a
lifeguard if possible. If caught in a rip current, relax and
float and do not swim against the current. If able, swim parallel
to the shoreline. If unable to escape, face the shore and call or
wave for help.
Coastal Flood Advisory issued September 22 at 4:42AM EDT until September 22 at 10:00PM EDT by NWS Mount Holly NJ
Begins Until 10 hr 46 min left
Areas Kent, DE; Inland Sussex, DE
Full text
* WHAT...For the Coastal Flood Advisory, up to one foot of
inundation above ground level expected in low-lying areas near
shorelines and tidal waterways. For the Coastal Flood Watch,
one to two feet of inundation above ground level possible in
low- lying areas near shorelines and tidal waterways.
* WHERE...Kent and Inland Sussex.
* WHEN...For the Coastal Flood Advisory, from 4 PM this
afternoon to 10 PM EDT this evening. For the Coastal Flood
Watch, from Wednesday afternoon through late Thursday night.
* IMPACTS...At this level, widespread roadway flooding occurs in
coastal and bayside communities and along inland tidal
waterways. Many roads become impassable. Some damage to
vulnerable structures may begin to occur.
* ADDITIONAL DETAILS...Moderate tidal flooding could continue
through at least Friday evening's high tide or perhaps longer.
What to do
A Coastal Flood Watch means that conditions favorable for
flooding are expected to develop.
Be prepared to begin taking appropriate action to protect life
and property. Follow the recommendations of local emergency
management officials. Be sure to check the latest forecast from
time to time in case a warning is issued or any new information
becomes available.
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.
High Surf Advisory issued September 22 at 4:42AM EDT until September 25 at 6:00PM EDT by NWS Mount Holly NJ
Begins Until 3 days left
Areas Delaware Beaches, DE
Full text
* WHAT...For the High Rip Current Risk, dangerous rip currents
expected. For the Coastal Flood Advisory, up to one foot of
inundation above ground level expected in low-lying areas near
shorelines and tidal waterways. For the High Surf Advisory,
large breaking waves of 6 to 12 feet expected in the surf
zone. For the Coastal Flood Watch, one to two feet of
inundation above ground level possible in low-lying areas near
shorelines and tidal waterways.
* WHERE...Delaware Beaches.
* WHEN...For the High Rip Current Risk, from 8 AM EDT this
morning through Friday afternoon. For the Coastal Flood
Advisory, from 4 PM this afternoon to 10 PM EDT this evening.
For the High Surf Advisory, from 8 PM this evening to 6 PM EDT
Friday. For the Coastal Flood Watch, from Wednesday afternoon
through late Thursday night.
* IMPACTS...At this level, widespread roadway flooding occurs in
coastal and bayside communities and along inland tidal
waterways. Many roads become impassable. Some damage to
vulnerable structures may begin to occur. Dangerous swimming
and surfing conditions and localized beach erosion. Rip
currents can sweep even the best swimmers away from shore into
deeper water.
* ADDITIONAL DETAILS...Significant beach erosion is likely
through this week and into the weekend. Moderate tidal
flooding could continue through Friday or perhaps longer.
What to do
A Coastal Flood Watch means that conditions favorable for
flooding are expected to develop.
Be prepared to begin taking appropriate action to protect life
and property. Follow the recommendations of local emergency
management officials. Be sure to check the latest forecast from
time to time in case a warning is issued or any new information
becomes available.
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.
Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.
Always obey posted Beach Flags. If you enter the surf zone,
always have a floatation device with you and swim near a
lifeguard if possible. If caught in a rip current, relax and
float and do not swim against the current. If able, swim parallel
to the shoreline. If unable to escape, face the shore and call or
wave for help.
In the past year the National Weather Service issued 153 alerts for Sussex County, including 40 severe thunderstorm warnings, 4 flash flood warnings, 4 freeze warnings and 3 tornado warnings.
From the Iowa Environmental Mesonet’s archive of NWS watches, warnings and advisories (VTEC), by the county’s own code and the forecast zones inside it. Each date links to the event at the IEM.
Nearby
The counties around Sussex County, with what is in force in each.
The hazard is happening or about to. Act now: a tornado warning means take shelter, a flash flood warning means move to higher ground.
Watch
Conditions favor the hazard. Nothing is happening yet; have a plan and be ready to act if a warning follows.
Advisory
A hazard that is less serious than a warning but can still cause trouble, such as dense fog, heat or light ice.
Statement
Information about weather that does not yet meet a warning: a strong storm, a hydrologic update, or a special weather statement.
Severity (extreme, severe, moderate, minor) is the rating the issuing office gives each product. More on the difference: tornado watch vs. tornado warning. Alerts come from the National Weather Service; follow its instructions and your local officials.
Sources
Alerts from the National Weather Service's public feed, read afresh every minute, and matched to counties and zones by their UGC codes. Warnings from outside the United States come from each country's own meteorological service. Follow the issuing office's instructions and your local officials.
