Delaware Bay at Lewes (IN MLLW)

Last updated: Jun 10, 2025, 1:35 AM UTC
No watches, warnings or advisories are in effect for this area.

Flood Impacts 🅘

  • 9.26 - (Mean Lower Low Water (MLLW)) The level reached on January 23, 2016.
  • 9.22 - (MLLW) The level reached on March 6, 1962.
  • 8.75 - (MLLW) The level reached on January 4, 1992.

Gauge Info

Coordinates 38.7833, -75.1200
RFC MARFC
State DE
WFO PHI
County Sussex
Data Provider(s)
NOAA National Ocean Service National Ocean and Coastal Agency

Gauge Location

Recent Crests

1. 7.02 ft on 11-15-2024
2. 7.06 ft on 02-13-2024
3. 7.20 ft on 09-26-2023
4. 7.24 ft on 06-03-2023
5. 7.43 ft on 10-03-2022

Historic Crests

1. 9.26 ft on 01-23-2016
2. 9.22 ft on 03-06-1962
3. 8.75 ft on 01-04-1992
4. 8.69 ft on 10-29-2012
5. 8.62 ft on 01-28-1998

Low Water Records

(P) -  Preliminary values subject to further review
¹ -  Gauge datum changed during this year

Vertical Datum Table

type MLLW* NAVD88
major Flooding 8.00 ft5.37 ft
moderate Flooding 7.00 ft4.37 ft
minor Flooding 6.00 ft3.37 ft
action N/AN/A
Latest Value 5.72 ft3.09 ft
Gauge Zero 0.00 ft-2.63 ft

Gauge Photos

No Images Found

Probability Information

No Images Available

Unique Local Info

All gage data is referenced in MLLW. During winter months, cold and ice may result in inaccurate real-time stages. Adjustments or deletions of this data can only be done after detailed analysis.

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

WFO Information

Weather Forecast Office
Philadelphia/Mount Holly
732 Woodlane Road
Mount Holly, NJ 08060-9615
Official Homepage