Chesapeake Bay at Havre de Grace (IN MLLW)
Stage at this gauge is reported IN MLLW.
Flood levels
Official flood levels at this gauge: action stage begins at 3.5 ft; minor flooding begins at 4.0 ft; moderate flooding begins at 5.5 ft; major flooding begins at 7.0 ft.
| Action stage | 3.5 ft |
|---|---|
| Minor flooding | 4.0 ft |
| Moderate flooding | 5.5 ft |
| Major flooding | 7.0 ft |
Highest recorded crests
- 6.9 ft on Jan 10, 2024 (historic crest)
- 5.8 ft on Oct 30, 2012 (historic crest)
- 5.7 ft on Apr 30, 2020 (historic crest)
- 5.6 ft on Oct 30, 2021 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 3.5 ft | The lowest spot of the parking lot of the Havre de Grace Yacht Basin begins to flood. |
|---|---|
| 4.0 ft | Water begins to go over the bulkhead at the Havre de Grace Yacht Basin in multiple locations. |
| 4.5 ft | Hutchins Park in Havre de Grace begins to flood. |
| 5.5 ft | Water reaches the bottom of the marina office at the Yacht Basin in Havre de Grace. |
| 5.9 ft | Water enters the building at the Yacht Basin. The dock at Pier number 1 is also covered. |
| 6.0 ft | Water goes over the dock and into the parking lot at Roberts Park. |
| 7.0 ft | The east end of the parking lot at the Yacht Basin is completely covered by water. Water also covers the pier and promenade at the Concord Point Lighthouse. |
| 7.2 ft | The boardwalk near the Yacht Basin marina begins to flood. |
Forecast office: NWS Sterling · River Forecast Center: Middle Atlantic River Forecast Center.
A NOAA tide station shares this spot: Havre de Grace, with tide predictions and official flood levels.
Chesapeake Bay at Havre de Grace (IN MLLW) in your pocket
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Nearby stations and gauges
- Havre de Grace NOAA tide station · 0.1 mi
- Swan Creek at Swan Creek NWS gauge · 3.0 mi
- Port Deposit NOAA tide station · 4.7 mi
- Charlestown NOAA tide station · 6.8 mi
- Deer Creek (MD) near Darlington NWS gauge · 7.7 mi
- Susquehanna River at Conowingo Dam NWS gauge · 9.4 mi