Several streets in and around downtown Philadelphia are flooded because of tidal flooding along the Delaware and its tributaries.
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Breaking News
Delaware River reaches major flood status
Flood gauge reading along the Delaware River.
The Delaware River at Philadelphia has reached major flood status. At this stage, the National Weather Service says tidal tributaries in Philadelphia, Camden, NJ and Gloucester, NJ begin to flood. Numerous roads may be impassable in the area. River levels are near records set by Hurricane Sandy back in 2012.
Flooding continues into the night for parts of the Mid-Atlantic.
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Flooding around National Mall
Photo by Drew Angerer/Getty Images
Flooding surrounded some of the memorials located around the National Mall.
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Street flooding in Baltimore, MD
The National Weather Service expected waters to inundate low-lying areas of southern Baltimore County and the city of Baltimore, during periods of high tides.
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VIDEO FORECAST: Latest on coastal flooding
FOX Weather's Danielle Gersh has the latest on coastal flooding in the Mid-Atlantic
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Breaking News
MD Governor declares state of emergency
Maryland Governor Larry Hogan declared a state of emergency for areas along the Chesapeake Bay, Potomac River, and the Atlantic Ocean.
Some areas have seen heavy rain and a rise of coastal waters of more than 3 feet, causing significant flooding of low-lying areas.
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100+ gauges expected to reach flood stage
Water gauges in the Mid-Atlantic
More than 100 river and tidal gauges from Virginia to New York are either at or will soon reach flood status. National Weather Service meteorologists advise drivers to never venture into floodwaters of unknown depth.
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WATCH: Cambridge, MD flooding
FOX Weather's Katie Byrne is in Cambridge, MD
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Wind gusts of 50+ mph in northern NJ
Rough seas and wind gusts of 50+ mph along the New Jersey coast.
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Critical high tides overnight
Times of high tides
Coastal flooding is expected to peak around times of high tides on Friday evening and Saturday morning. Because of Earth's rotation, high tides vary per location.
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Worst coastal flooding in D.C. since 2003
D.C. area flood gauge
FOX Weather meteorologists say the tidal flooding in the D.C. region is the worst the area has seen since Hurricane Isabel in 2003. Expect waters to rise again around Friday night's high tide.
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Large waves in Chesapeake Bay
The National Weather Service said wind gusts of more than 30 mph and waves larger than 4 feet were possible along the shore in Maryland.
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Tidal flooding Ocean City, NJ
Tidal flooding impacted Ocean City, NJ. Waters were still rising even before the region saw high tide.
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Street flooding in Alexandria, VA
Significant street flooding was reported in Alexandria, VA.
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Coastal communities from VA to NJ under alerts
Coastal flooding alerts
Coastal communities from northern Virginia to New Jersey are under alerts for significant coastal flooding. Some areas could see a tidal rise of 3 - 5 feet in the Chesapeake Bay region.
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Storm system impacting Mid-Atlantic with significant flooding