Wilmington, Delaware
Regional Weather Alerts
| Alert: | Coastal Flood Advisory |
| Area(s): | New Castle; Salem |
| Effective: | 2026-09-23 @ 9:40 pm -> 2026-09-24 @ 10:00 am |
| Onset: | 2026-09-23 @ 9:40 pm -> 2026-09-26 @ 5:00 am |
| Severity: | Minor |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Mount Holly NJ on 2026-09-23 @ 9:40 pm |
| Headline: | Coastal Flood Advisory issued September 23 at 5:40PM EDT until September 26 at 1:00AM EDT by NWS Mount Holly NJ |
| Description: |
* WHAT...One to two feet of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE...In Delaware, New Castle. In New Jersey, Salem. * WHEN...Until 1 AM EDT Saturday. * IMPACTS...At this level, widespread roadway flooding occurs along tidal waterways. Some roads become impassable. Minor damage to vulnerable structures may begin to occur. * ADDITIONAL DETAILS...Widespread minor tidal flooding could continue through into the weekend. |
| Alert: | Coastal Flood Warning |
| Area(s): | Delaware Beaches |
| Effective: | 2026-09-23 @ 9:40 pm -> 2026-09-24 @ 10:00 am |
| Onset: | 2026-09-23 @ 9:40 pm -> 2026-09-26 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Mount Holly NJ on 2026-09-23 @ 9:40 pm |
| Headline: | Coastal Flood Warning issued September 23 at 5:40PM EDT until September 26 at 2:00AM EDT by NWS Mount Holly NJ |
| Description: |
* WHAT...For the Coastal Flood Warning, one to two feet of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the High Surf Advisory, large breaking waves of up to 12 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. * WHERE...Delaware Beaches. * WHEN...For the Coastal Flood Warning, until 2 AM EDT Saturday. For the High Surf Advisory, until 6 PM EDT Saturday. For the High Rip Current Risk, through Saturday evening. * 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 expected. Breaching of sand dunes is possible. Moderate tidal flooding could continue into the weekend. Cannot rule out major tidal flooding impacts, especially around Rehoboth Bay and Indian River. |
| Alert: | Coastal Flood Warning |
| Area(s): | Kent; Inland Sussex |
| Effective: | 2026-09-23 @ 9:40 pm -> 2026-09-24 @ 10:00 am |
| Onset: | 2026-09-23 @ 9:40 pm -> 2026-09-26 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Mount Holly NJ on 2026-09-23 @ 9:40 pm |
| Headline: | Coastal Flood Warning issued September 23 at 5:40PM EDT until September 26 at 2:00AM EDT by NWS Mount Holly NJ |
| Description: |
* WHAT...One to two feet of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE...Kent and Inland Sussex. * WHEN...Until 2 AM EDT Saturday. * 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 into the weekend. Cannot rule out major tidal flooding impacts, especially around Rehoboth Bay and Indian River. |
| Alert: | High Surf Advisory |
| Area(s): | Delaware Beaches |
| Effective: | 2026-09-23 @ 9:40 pm -> 2026-09-24 @ 10:00 am |
| Onset: | 2026-09-23 @ 9:40 pm -> 2026-09-26 @ 10:00 pm |
| Severity: | Minor |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Mount Holly NJ on 2026-09-23 @ 9:40 pm |
| Headline: | High Surf Advisory issued September 23 at 5:40PM EDT until September 26 at 6:00PM EDT by NWS Mount Holly NJ |
| Description: |
* WHAT...For the Coastal Flood Warning, one to two feet of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the High Surf Advisory, large breaking waves of up to 12 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. * WHERE...Delaware Beaches. * WHEN...For the Coastal Flood Warning, until 2 AM EDT Saturday. For the High Surf Advisory, until 6 PM EDT Saturday. For the High Rip Current Risk, through Saturday evening. * 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 expected. Breaching of sand dunes is possible. Moderate tidal flooding could continue into the weekend. Cannot rule out major tidal flooding impacts, especially around Rehoboth Bay and Indian River. |
| Alert: | Rip Current Statement |
| Area(s): | Delaware Beaches |
| Effective: | 2026-09-23 @ 9:40 pm -> 2026-09-24 @ 10:00 am |
| Onset: | 2026-09-23 @ 9:40 pm -> 2026-09-27 @ 12:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Mount Holly NJ on 2026-09-23 @ 9:40 pm |
| Headline: | Rip Current Statement issued September 23 at 5:40PM EDT until September 26 at 8:00PM EDT by NWS Mount Holly NJ |
| Description: |
* WHAT...For the Coastal Flood Warning, one to two feet of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the High Surf Advisory, large breaking waves of up to 12 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. * WHERE...Delaware Beaches. * WHEN...For the Coastal Flood Warning, until 2 AM EDT Saturday. For the High Surf Advisory, until 6 PM EDT Saturday. For the High Rip Current Risk, through Saturday evening. * 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 expected. Breaching of sand dunes is possible. Moderate tidal flooding could continue into the weekend. Cannot rule out major tidal flooding impacts, especially around Rehoboth Bay and Indian River. |
| Alert: | Wind Advisory |
| Area(s): | Delaware Beaches; Eastern Monmouth; Atlantic Coastal Cape May; Coastal Atlantic; Coastal Ocean |
| Effective: | 2026-09-23 @ 6:34 pm -> 2026-09-24 @ 7:45 am |
| Onset: | 2026-09-23 @ 6:34 pm -> 2026-09-25 @ 12:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Mount Holly NJ on 2026-09-23 @ 6:34 pm |
| Headline: | Wind Advisory issued September 23 at 2:34PM EDT until September 24 at 8:00PM EDT by NWS Mount Holly NJ |
| Description: |
* WHAT...Northeast winds 25 to 35 mph with gusts up to 45 mph. * WHERE...In Delaware, Delaware Beaches County. In New Jersey, Eastern Monmouth, Atlantic Coastal Cape May, Coastal Atlantic, and Coastal Ocean Counties. * WHEN...Until 8 PM EDT Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. |
