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Hydrograph River at a Glance Download
Potomac River at Edwards Ferry Stage (ft)Observed: 4.68 ft at 5:30AM Mar 21, 2023Observed: 4.68 ft at 5:45AM Mar 21, 2023Observed: 4.67 ft at 6:00AM Mar 21, 2023Observed: 4.67 ft at 6:15AM Mar 21, 2023Observed: 4.67 ft at 6:30AM Mar 21, 2023Observed: 4.67 ft at 6:45AM Mar 21, 2023Observed: 4.67 ft at 7:00AM Mar 21, 2023Observed: 4.67 ft at 7:15AM Mar 21, 2023Observed: 4.66 ft at 7:30AM Mar 21, 2023Observed: 4.66 ft at 7:45AM Mar 21, 2023Observed: 4.66 ft at 7:46AM Mar 21, 2023Observed: 4.66 ft at 8:00AM Mar 21, 2023Observed: 4.66 ft at 8:15AM Mar 21, 2023Observed: 4.66 ft at 8:30AM Mar 21, 2023Observed: 4.65 ft at 8:45AM Mar 21, 2023Observed: 4.65 ft at 9:00AM Mar 21, 2023Observed: 4.65 ft at 9:15AM Mar 21, 2023Observed: 4.65 ft at 9:30AM Mar 21, 2023Observed: 4.65 ft at 9:45AM Mar 21, 2023Observed: 4.65 ft at 10:00AM Mar 21, 2023Observed: 4.65 ft at 10:15AM Mar 21, 2023Observed: 4.64 ft at 10:30AM Mar 21, 2023Observed: 4.64 ft at 10:45AM Mar 21, 2023Observed: 4.64 ft at 11:00AM Mar 21, 2023Observed: 4.64 ft at 11:15AM Mar 21, 2023Observed: 4.64 ft at 11:30AM Mar 21, 2023Observed: 4.64 ft at 11:45AM Mar 21, 2023Observed: 4.64 ft at 12:00PM Mar 21, 2023Observed: 4.64 ft at 12:15PM Mar 21, 2023Observed: 4.64 ft at 12:30PM Mar 21, 2023Observed: 4.64 ft at 12:45PM Mar 21, 2023Observed: 4.64 ft at 1:00PM Mar 21, 2023Observed: 4.64 ft at 1:15PM Mar 21, 2023Observed: 4.63 ft at 1:30PM Mar 21, 2023Observed: 4.63 ft at 1:45PM Mar 21, 2023Observed: 4.63 ft at 2:00PM Mar 21, 2023Observed: 4.63 ft at 2:15PM Mar 21, 2023Observed: 4.62 ft at 2:30PM Mar 21, 2023Observed: 4.63 ft at 2:45PM Mar 21, 2023Observed: 4.63 ft at 3:00PM Mar 21, 2023Observed: 4.63 ft at 3:15PM Mar 21, 2023Observed: 4.63 ft at 3:30PM Mar 21, 2023Observed: 4.63 ft at 3:45PM Mar 21, 2023Observed: 4.63 ft at 3:46PM Mar 21, 2023Observed: 4.63 ft at 4:00PM Mar 21, 2023Observed: 4.63 ft at 4:15PM Mar 21, 2023Observed: 4.63 ft at 4:30PM Mar 21, 2023Observed: 4.63 ft at 4:45PM Mar 21, 2023Observed: 4.63 ft at 5:00PM Mar 21, 2023Observed: 4.63 ft at 5:15PM Mar 21, 2023Observed: 4.63 ft at 5:30PM Mar 21, 2023Observed: 4.63 ft at 5:45PM Mar 21, 2023Observed: 4.63 ft at 6:00PM Mar 21, 2023Observed: 4.63 ft at 6:15PM Mar 21, 2023Observed: 4.64 ft at 6:30PM Mar 21, 2023Observed: 4.64 ft at 6:45PM Mar 21, 2023Observed: 4.64 ft at 7:00PM Mar 21, 2023Observed: 4.64 ft at 7:15PM Mar 21, 2023Observed: 4.64 ft at 7:30PM Mar 21, 2023Observed: 4.64 ft at 7:45PM Mar 21, 2023Observed: 4.64 ft at 8:00PM Mar 21, 2023Observed: 4.64 ft at 8:15PM Mar 21, 2023Observed: 4.64 ft at 8:30PM Mar 21, 2023Observed: 4.64 ft at 8:45PM Mar 21, 2023Observed: 4.64 ft at 9:00PM Mar 21, 2023Observed: 4.64 ft at 9:15PM Mar 21, 2023Observed: 4.64 ft at 9:30PM Mar 21, 2023Observed: 4.64 ft at 9:45PM Mar 21, 2023Observed: 4.65 ft at 10:00PM Mar 21, 2023Observed: 4.65 ft at 10:15PM Mar 21, 2023Observed: 4.65 ft at 10:30PM Mar 21, 2023Observed: 4.65 ft at 10:45PM Mar 21, 2023Observed: 4.65 ft at 11:00PM Mar 21, 2023Observed: 4.65 ft at 11:15PM Mar 21, 2023Observed: 4.65 ft at 11:30PM Mar 21, 2023Observed: 4.65 ft at 11:45PM Mar 21, 2023Observed: 4.65 ft at 12:00AM Mar 22, 2023Observed: 4.65 ft at 12:02AM Mar 22, 2023Observed: 4.65 ft at 12:15AM Mar 22, 2023Observed: 4.65 ft at 12:30AM Mar 22, 2023Observed: 4.64 ft at 12:45AM Mar 22, 2023Observed: 4.65 ft at 1:00AM Mar 22, 2023Observed: 4.64 ft at 1:15AM Mar 22, 2023Observed: 4.64 ft at 1:30AM Mar 22, 2023Observed: 4.64 ft at 1:45AM Mar 22, 2023Observed: 4.64 ft at 2:00AM Mar 22, 2023Observed: 4.64 ft at 2:15AM Mar 22, 2023Observed: 4.64 ft at 2:30AM Mar 22, 2023Observed: 4.63 ft at 2:45AM Mar 22, 2023Observed: 4.63 ft at 3:00AM Mar 22, 2023Observed: 4.63 ft at 3:15AM Mar 22, 2023Observed: 4.63 ft at 3:30AM Mar 22, 2023Observed: 4.63 ft at 3:45AM Mar 22, 2023Observed: 4.63 ft at 4:00AM Mar 22, 2023Observed: 4.63 ft at 4:15AM Mar 22, 2023Observed: 4.63 ft at 4:30AM Mar 22, 2023Observed: 4.63 ft at 4:45AM Mar 22, 2023Observed: 4.63 ft at 5:00AM Mar 22, 2023Observed: 4.63 ft at 5:15AM Mar 22, 2023Observed: 4.63 ft at 5:30AM Mar 22, 2023Observed: 4.63 ft at 5:45AM Mar 22, 2023Observed: 4.63 ft at 6:00AM Mar 22, 2023Observed: 4.63 ft at 6:15AM Mar 22, 2023Observed: 4.63 ft at 6:30AM Mar 22, 2023Observed: 4.63 ft at 6:45AM Mar 22, 2023Observed: 4.63 ft at 7:00AM Mar 22, 2023Observed: 4.62 ft at 7:15AM Mar 22, 2023Observed: 4.62 ft at 7:30AM Mar 22, 2023Observed: 4.62 ft at 7:45AM Mar 22, 2023Observed: 4.62 ft at 8:00AM Mar 22, 2023Observed: 4.62 ft at 8:01AM Mar 22, 2023Observed: 4.62 ft at 8:15AM Mar 22, 2023Observed: 4.61 ft at 8:30AM Mar 22, 2023Observed: 4.62 ft at 8:45AM Mar 22, 2023Observed: 4.61 ft at 9:00AM Mar 22, 2023Observed: 4.61 ft at 9:15AM Mar 22, 2023Observed: 4.61 ft at 9:30AM Mar 22, 2023Observed: 4.61 ft at 9:45AM Mar 22, 2023Observed: 4.61 ft at 10:00AM Mar 22, 2023Observed: 4.61 ft at 10:15AM Mar 22, 2023Observed: 4.6 ft at 10:30AM Mar 22, 2023Observed: 4.6 ft at 10:45AM Mar 22, 2023Observed: 4.6 ft at 11:00AM Mar 22, 2023Observed: 4.6 ft at 11:15AM Mar 22, 2023Observed: 4.6 ft at 11:30AM Mar 22, 2023Observed: 4.6 ft at 11:45AM Mar 22, 2023Observed: 4.59 ft at 12:00PM Mar 22, 2023Observed: 4.6 ft at 12:15PM Mar 22, 2023Observed: 4.59 ft at 12:30PM Mar 22, 2023Observed: 4.59 ft at 12:45PM Mar 22, 2023Observed: 4.59 ft at 1:00PM Mar 22, 2023Observed: 4.59 ft at 1:15PM Mar 22, 2023Observed: 4.59 ft at 1:30PM Mar 22, 2023Observed: 4.59 ft at 1:45PM Mar 22, 2023Observed: 4.59 ft at 2:00PM Mar 22, 2023Observed: 4.59 ft at 2:15PM Mar 22, 2023Observed: 4.59 ft at 2:30PM Mar 22, 2023Observed: 4.59 ft at 2:45PM Mar 22, 2023Observed: 4.59 ft at 3:00PM Mar 22, 2023Observed: 4.59 ft at 3:15PM Mar 22, 2023Observed: 4.59 ft at 3:30PM Mar 22, 2023Observed: 4.59 ft at 3:45PM Mar 22, 2023Observed: 4.58 ft at 4:00PM Mar 22, 2023Observed: 4.58 ft at 4:01PM Mar 22, 2023Observed: 4.59 ft at 4:15PM Mar 22, 2023Observed: 4.59 ft at 4:30PM Mar 22, 2023Observed: 4.58 ft at 4:45PM Mar 22, 2023Observed: 4.59 ft at 5:00PM Mar 22, 2023Observed: 4.59 ft at 5:15PM Mar 22, 2023Observed: 4.59 ft at 5:30PM Mar 22, 2023Observed: 4.59 ft at 5:45PM Mar 22, 2023Observed: 4.59 ft at 6:00PM Mar 22, 2023Observed: 4.59 ft at 6:15PM Mar 22, 2023Observed: 4.59 ft at 6:30PM Mar 22, 2023Observed: 4.59 ft at 6:45PM Mar 22, 2023Observed: 4.59 ft at 7:00PM Mar 22, 2023Observed: 4.59 ft at 7:15PM Mar 22, 2023Observed: 4.6 ft at 7:30PM Mar 22, 2023Observed: 4.6 ft at 7:45PM Mar 22, 2023Observed: 4.6 ft at 8:00PM Mar 22, 2023Observed: 4.6 ft at 8:15PM Mar 22, 2023Observed: 4.6 ft at 8:30PM Mar 22, 2023Observed: 4.61 ft at 8:45PM Mar 22, 2023Observed: 4.6 ft at 9:00PM Mar 22, 2023Observed: 4.61 ft at 9:15PM Mar 22, 2023Observed: 4.61 ft at 9:30PM Mar 22, 2023Observed: 4.6 ft at 9:45PM Mar 22, 2023Observed: 4.61 ft at 10:00PM Mar 22, 2023Observed: 4.61 ft at 10:15PM Mar 22, 2023Observed: 4.61 ft at 10:30PM Mar 22, 2023Observed: 4.6 ft at 10:45PM Mar 22, 2023Observed: 4.61 ft at 11:00PM Mar 22, 2023Observed: 4.6 ft at 11:15PM Mar 22, 2023Observed: 4.61 ft at 11:30PM Mar 22, 2023Observed: 4.6 ft at 11:45PM Mar 22, 2023Observed: 4.6 ft at 12:00AM Mar 23, 2023Observed: 4.6 ft at 12:01AM Mar 23, 2023Observed: 4.6 ft at 12:15AM Mar 23, 2023Observed: 4.6 ft at 12:30AM Mar 23, 2023Observed: 4.6 ft at 12:45AM Mar 23, 2023Observed: 4.6 ft at 1:00AM Mar 23, 2023Observed: 4.6 ft at 1:15AM Mar 23, 2023Observed: 4.6 ft at 1:30AM Mar 23, 2023Observed: 4.6 ft at 1:45AM Mar 23, 2023Observed: 4.6 ft at 2:00AM Mar 23, 2023Observed: 4.6 ft at 2:15AM Mar 23, 2023Observed: 4.59 ft at 2:30AM Mar 23, 2023Observed: 4.59 ft at 2:45AM Mar 23, 2023Observed: 4.59 ft at 3:00AM Mar 23, 2023Observed: 4.59 ft at 3:15AM Mar 23, 2023Observed: 4.59 ft at 3:30AM Mar 23, 2023Observed: 4.59 ft at 3:45AM Mar 23, 2023Observed: 4.59 ft at 4:00AM Mar 23, 2023Observed: 4.59 ft at 4:15AM Mar 23, 2023Observed: 4.59 ft at 4:30AM Mar 23, 2023Observed: 4.58 ft at 4:45AM Mar 23, 2023Observed: 4.58 ft at 5:00AM Mar 23, 2023Observed: 4.58 ft at 5:15AM Mar 23, 2023Observed: 4.58 ft at 5:30AM Mar 23, 2023Observed: 4.58 ft at 5:45AM Mar 23, 2023Observed: 4.58 ft at 6:00AM Mar 23, 2023Observed: 4.58 ft at 6:15AM Mar 23, 2023Observed: 4.58 ft at 6:30AM Mar 23, 2023Observed: 4.57 ft at 6:45AM Mar 23, 2023Observed: 4.57 ft at 7:00AM Mar 23, 2023Observed: 4.57 ft at 7:15AM Mar 23, 2023Observed: 4.57 ft at 7:30AM Mar 23, 2023Observed: 4.57 ft at 7:45AM Mar 23, 2023Observed: 4.57 ft at 8:00AM Mar 23, 2023Observed: 4.57 ft at 8:01AM Mar 23, 2023Observed: 4.56 ft at 8:15AM Mar 23, 2023Observed: 4.56 ft at 8:30AM Mar 23, 2023Observed: 4.56 ft at 8:45AM Mar 23, 2023Observed: 4.56 ft at 9:00AM Mar 23, 2023Observed: 4.56 ft at 9:15AM Mar 23, 2023Observed: 4.55 ft at 9:30AM Mar 23, 2023Observed: 4.55 ft at 9:45AM Mar 23, 2023Observed: 4.55 ft at 10:00AM Mar 23, 2023Observed: 4.55 ft at 10:15AM Mar 23, 2023Observed: 4.55 ft at 10:30AM Mar 23, 2023Observed: 4.54 ft at 10:45AM Mar 23, 2023Observed: 4.54 ft at 11:00AM Mar 23, 2023Observed: 4.54 ft at 11:15AM Mar 23, 2023Observed: 4.53 ft at 11:30AM Mar 23, 2023Observed: 4.53 ft at 11:45AM Mar 23, 2023Observed: 4.54 ft at 12:00PM Mar 23, 2023Observed: 4.54 ft at 12:15PM Mar 23, 2023Observed: 4.53 ft at 12:30PM Mar 23, 2023Observed: 4.53 ft at 12:45PM Mar 23, 2023Observed: 4.53 ft at 1:00PM Mar 23, 2023Observed: 4.53 ft at 1:15PM Mar 23, 2023Observed: 4.52 ft at 1:30PM Mar 23, 2023Observed: 4.53 ft at 1:45PM Mar 23, 2023Observed: 4.53 ft at 2:00PM Mar 23, 2023Observed: 4.53 ft at 2:15PM Mar 23, 2023Observed: 4.53 ft at 2:30PM Mar 23, 2023Observed: 4.53 ft at 2:45PM Mar 23, 2023Observed: 4.52 ft at 3:00PM Mar 23, 2023Observed: 4.52 ft at 3:15PM Mar 23, 2023Observed: 4.52 ft at 3:30PM Mar 23, 2023Observed: 4.52 ft at 3:45PM Mar 23, 2023Observed: 4.52 ft at 4:00PM Mar 23, 2023Observed: 4.52 ft at 4:02PM Mar 23, 2023Observed: 4.52 ft at 4:15PM Mar 23, 2023Observed: 4.52 ft at 4:30PM Mar 23, 2023Observed: 4.52 ft at 4:45PM Mar 23, 2023Observed: 4.52 ft at 5:00PM Mar 23, 2023Observed: 4.52 ft at 5:15PM Mar 23, 2023Observed: 4.52 ft at 5:30PM Mar 23, 2023Observed: 4.52 ft at 5:45PM Mar 23, 2023Observed: 4.52 ft at 6:00PM Mar 23, 2023Observed: 4.52 ft at 6:15PM Mar 23, 2023Observed: 4.52 ft at 6:30PM Mar 23, 2023Observed: 4.52 ft at 6:45PM Mar 23, 2023Observed: 4.52 ft at 7:00PM Mar 23, 2023Observed: 4.52 ft at 7:15PM Mar 23, 2023Observed: 4.52 ft at 7:30PM Mar 23, 2023Observed: 4.53 ft at 7:45PM Mar 23, 2023Observed: 4.53 ft at 8:00PM Mar 23, 2023Observed: 4.53 ft at 8:15PM Mar 23, 2023Observed: 4.52 ft at 8:30PM Mar 23, 2023Observed: 4.52 ft at 8:45PM Mar 23, 2023Observed: 4.52 ft at 9:00PM Mar 23, 2023Observed: 4.53 ft at 9:15PM Mar 23, 2023Observed: 4.52 ft at 9:30PM Mar 23, 2023Observed: 4.52 ft at 9:45PM Mar 23, 2023Observed: 4.52 ft at 10:00PM Mar 23, 2023Observed: 4.53 ft at 10:15PM Mar 23, 2023Observed: 4.53 ft at 10:30PM Mar 23, 2023Observed: 4.52 ft at 10:45PM Mar 23, 2023Observed: 4.52 ft at 11:00PM Mar 23, 2023Observed: 4.52 ft at 11:15PM Mar 23, 2023Observed: 4.52 ft at 11:30PM Mar 23, 2023Observed: 4.52 ft at 11:45PM Mar 23, 2023Observed: 4.52 ft at 12:00AM Mar 24, 2023Observed: 4.52 ft at 12:02AM Mar 24, 2023Observed: 4.52 ft at 12:15AM Mar 24, 2023Observed: 4.53 ft at 12:30AM Mar 24, 2023Observed: 4.53 ft at 12:45AM Mar 24, 2023Observed: 4.52 ft at 1:00AM Mar 24, 2023Observed: 4.52 ft at 1:15AM Mar 24, 2023Observed: 4.52 ft at 1:30AM Mar 24, 2023Observed: 4.52 ft at 1:45AM Mar 24, 2023Observed: 4.52 ft at 2:00AM Mar 24, 2023Observed: 4.52 ft at 2:15AM Mar 24, 2023Observed: 4.52 ft at 2:30AM Mar 24, 2023Observed: 4.52 ft at 2:45AM Mar 24, 2023Observed: 4.52 ft at 3:00AM Mar 24, 2023Observed: 4.52 ft at 3:15AM Mar 24, 2023Observed: 4.52 ft at 3:30AM Mar 24, 2023Observed: 4.52 ft at 3:45AM Mar 24, 2023Observed: 4.52 ft at 4:00AM Mar 24, 2023Observed: 4.52 ft at 4:15AM Mar 24, 2023Observed: 4.52 ft at 4:30AM Mar 24, 2023Observed: 4.52 ft at 4:45AM Mar 24, 2023Observed: 4.52 ft at 5:00AM Mar 24, 2023Observed: 4.52 ft at 5:15AM Mar 24, 2023Observed: 4.52 ft at 5:30AM Mar 24, 2023Observed: 4.52 ft at 5:45AM Mar 24, 2023Observed: 4.52 ft at 6:00AM Mar 24, 2023Observed: 4.53 ft at 6:15AM Mar 24, 2023Observed: 4.52 ft at 6:30AM Mar 24, 2023Observed: 4.53 ft at 6:45AM Mar 24, 2023Observed: 4.53 ft at 7:00AM Mar 24, 2023Observed: 4.53 ft at 7:15AM Mar 24, 2023Observed: 4.53 ft at 7:30AM Mar 24, 2023Observed: 4.53 ft at 7:45AM Mar 24, 2023Observed: 4.53 ft at 8:00AM Mar 24, 2023Observed: 4.53 ft at 8:02AM Mar 24, 2023Observed: 4.53 ft at 8:15AM Mar 24, 2023Observed: 4.53 ft at 8:30AM Mar 24, 2023Observed: 4.54 ft at 8:45AM Mar 24, 2023Observed: 4.54 ft at 9:00AM Mar 24, 2023Observed: 4.54 ft at 9:15AM Mar 24, 2023Observed: 4.54 ft at 9:30AM Mar 24, 2023Observed: 4.54 ft at 9:45AM Mar 24, 2023Observed: 4.54 ft at 10:00AM Mar 24, 2023Observed: 4.54 ft at 10:15AM Mar 24, 2023Observed: 4.54 ft at 10:30AM Mar 24, 2023Observed: 4.54 ft at 10:45AM Mar 24, 2023Observed: 4.54 ft at 11:00AM Mar 24, 2023Observed: 4.54 ft at 11:15AM Mar 24, 2023Observed: 4.54 ft at 11:30AM Mar 24, 2023Observed: 4.54 ft at 11:45AM Mar 24, 2023Observed: 4.54 ft at 12:00PM Mar 24, 2023Observed: 4.55 ft at 12:15PM Mar 24, 2023Observed: 4.55 ft at 12:30PM Mar 24, 2023Observed: 4.55 ft at 12:45PM Mar 24, 2023Observed: 4.55 ft at 1:00PM Mar 24, 2023Observed: 4.55 ft at 1:15PM Mar 24, 2023Observed: 4.56 ft at 1:30PM Mar 24, 2023Observed: 4.56 ft at 1:45PM Mar 24, 2023Observed: 4.56 ft at 2:00PM Mar 24, 2023Observed: 4.56 ft at 2:15PM Mar 24, 2023Observed: 4.56 ft at 2:30PM Mar 24, 2023Observed: 4.56 ft at 2:45PM Mar 24, 2023Observed: 4.57 ft at 3:00PM Mar 24, 2023Observed: 4.57 ft at 3:15PM Mar 24, 2023Observed: 4.57 ft at 3:30PM Mar 24, 2023Observed: 4.57 ft at 3:45PM Mar 24, 2023Observed: 4.58 ft at 4:00PM Mar 24, 2023Observed: 4.58 ft at 4:01PM Mar 24, 2023Observed: 4.58 ft at 4:15PM Mar 24, 2023Observed: 4.58 ft at 4:30PM Mar 24, 2023Observed: 4.59 ft at 4:45PM Mar 24, 2023Observed: 4.59 ft at 5:00PM Mar 24, 2023Observed: 4.59 ft at 5:15PM Mar 24, 2023Observed: 4.6 ft at 5:30PM Mar 24, 2023Observed: 4.6 ft at 5:45PM Mar 24, 2023Observed: 4.6 ft at 6:00PM Mar 24, 2023Observed: 4.6 ft at 6:15PM Mar 24, 2023Observed: 4.61 ft at 6:30PM Mar 24, 2023Observed: 4.61 ft at 6:45PM Mar 24, 2023Observed: 4.62 ft at 7:00PM Mar 24, 2023Observed: 4.62 ft at 7:15PM Mar 24, 2023Observed: 4.63 ft at 7:30PM Mar 24, 2023Observed: 4.63 ft at 7:45PM Mar 24, 2023Observed: 4.64 ft at 8:00PM Mar 24, 2023Observed: 4.64 ft at 8:15PM Mar 24, 2023Observed: 4.65 ft at 8:30PM Mar 24, 2023Observed: 4.65 ft at 8:45PM Mar 24, 2023Observed: 4.65 ft at 9:00PM Mar 24, 2023Observed: 4.65 ft at 9:15PM Mar 24, 2023Observed: 4.66 ft at 9:30PM Mar 24, 2023Observed: 4.66 ft at 9:45PM Mar 24, 2023Observed: 4.66 ft at 10:00PM Mar 24, 2023Observed: 4.67 ft at 10:15PM Mar 24, 2023Observed: 4.67 ft at 10:30PM Mar 24, 2023Observed: 4.67 ft at 10:45PM Mar 24, 2023Observed: 4.68 ft at 11:00PM Mar 24, 2023Observed: 4.68 ft at 11:15PM Mar 24, 2023Observed: 4.68 ft at 11:30PM Mar 24, 2023Observed: 4.69 ft at 11:45PM Mar 24, 2023Observed: 4.69 ft at 12:00AM Mar 25, 2023Observed: 4.69 ft at 12:02AM Mar 25, 2023Observed: 4.69 ft at 12:15AM Mar 25, 2023Observed: 4.7 ft at 12:30AM Mar 25, 2023Observed: 4.7 ft at 12:45AM Mar 25, 2023Observed: 4.7 ft at 1:00AM Mar 25, 2023Observed: 4.7 ft at 1:15AM Mar 25, 2023Observed: 4.71 ft at 1:30AM Mar 25, 2023Observed: 4.71 ft at 1:45AM Mar 25, 2023Observed: 4.71 ft at 2:00AM Mar 25, 2023Observed: 4.71 ft at 2:15AM Mar 25, 2023Observed: 4.72 ft at 2:30AM Mar 25, 2023Observed: 4.72 ft at 2:45AM Mar 25, 2023Observed: 4.72 ft at 3:00AM Mar 25, 2023Observed: 4.72 ft at 3:15AM Mar 25, 2023Observed: 4.73 ft at 3:30AM Mar 25, 2023Observed: 4.73 ft at 3:45AM Mar 25, 2023Observed: 4.73 ft at 4:00AM Mar 25, 2023Observed: 4.73 ft at 4:15AM Mar 25, 2023Observed: 4.74 ft at 4:30AM Mar 25, 2023Observed: 4.74 ft at 4:45AM Mar 25, 2023Observed: 4.74 ft at 5:00AM Mar 25, 2023Observed: 4.75 ft at 5:15AM Mar 25, 2023Observed: 4.75 ft at 5:30AM Mar 25, 2023Observed: 4.75 ft at 5:45AM Mar 25, 2023Observed: 4.75 ft at 6:00AM Mar 25, 2023Observed: 4.76 ft at 6:15AM Mar 25, 2023Observed: 4.76 ft at 6:30AM Mar 25, 2023Observed: 4.77 ft at 6:45AM Mar 25, 2023Observed: 4.76 ft at 7:00AM Mar 25, 2023Observed: 4.77 ft at 7:15AM Mar 25, 2023Observed: 4.77 ft at 7:30AM Mar 25, 2023Observed: 4.78 ft at 7:45AM Mar 25, 2023Observed: 4.78 ft at 8:00AM Mar 25, 2023Observed: 4.78 ft at 8:02AM Mar 25, 2023Observed: 4.78 ft at 8:15AM Mar 25, 2023Observed: 4.78 ft at 8:30AM Mar 25, 2023Observed: 4.79 ft at 8:45AM Mar 25, 2023Observed: 4.79 ft at 9:00AM Mar 25, 2023Observed: 4.8 ft at 9:15AM Mar 25, 2023Observed: 4.8 ft at 9:30AM Mar 25, 2023Observed: 4.81 ft at 9:45AM Mar 25, 2023Observed: 4.81 ft at 10:00AM Mar 25, 2023Observed: 4.81 ft at 10:15AM Mar 25, 2023Observed: 4.81 ft at 10:30AM Mar 25, 2023Observed: 4.82 ft at 10:45AM Mar 25, 2023Observed: 4.82 ft at 11:00AM Mar 25, 2023Observed: 4.82 ft at 11:15AM Mar 25, 2023Observed: 4.83 ft at 11:30AM Mar 25, 2023Observed: 4.83 ft at 11:45AM Mar 25, 2023Observed: 4.83 ft at 12:00PM Mar 25, 2023Observed: 4.84 ft at 12:15PM Mar 25, 2023Observed: 4.84 ft at 12:30PM Mar 25, 2023Observed: 4.85 ft at 12:45PM Mar 25, 2023Observed: 4.85 ft at 1:00PM Mar 25, 2023Observed: 4.86 ft at 1:15PM Mar 25, 2023Observed: 4.86 ft at 1:30PM Mar 25, 2023Observed: 4.87 ft at 1:45PM Mar 25, 2023Observed: 4.87 ft at 2:00PM Mar 25, 2023Observed: 4.88 ft at 2:15PM Mar 25, 2023Observed: 4.88 ft at 2:30PM Mar 25, 2023Observed: 4.89 ft at 2:45PM Mar 25, 2023Observed: 4.89 ft at 3:00PM Mar 25, 2023Observed: 4.9 ft at 3:15PM Mar 25, 2023Observed: 4.9 ft at 3:30PM Mar 25, 2023Observed: 4.91 ft at 3:45PM Mar 25, 2023Observed: 4.91 ft at 4:00PM Mar 25, 2023Observed: 4.92 ft at 4:15PM Mar 25, 2023Observed: 4.92 ft at 4:17PM Mar 25, 2023Observed: 4.93 ft at 4:30PM Mar 25, 2023Observed: 4.93 ft at 4:45PM Mar 25, 2023Observed: 4.94 ft at 5:00PM Mar 25, 2023Observed: 4.95 ft at 5:15PM Mar 25, 2023Observed: 4.95 ft at 5:30PM Mar 25, 2023Observed: 4.96 ft at 5:45PM Mar 25, 2023Observed: 4.97 ft at 6:00PM Mar 25, 2023Observed: 4.98 ft at 6:15PM Mar 25, 2023Observed: 4.98 ft at 6:30PM Mar 25, 2023Observed: 5 ft at 6:45PM Mar 25, 2023Observed: 5 ft at 7:00PM Mar 25, 2023Observed: 5.01 ft at 7:15PM Mar 25, 2023Observed: 5.02 ft at 7:30PM Mar 25, 2023Observed: 5.03 ft at 7:45PM Mar 25, 2023Observed: 5.04 ft at 8:00PM Mar 25, 2023Observed: 5.05 ft at 8:15PM Mar 25, 2023Observed: 5.06 ft at 8:30PM Mar 25, 2023Observed: 5.07 ft at 8:45PM Mar 25, 2023Observed: 5.08 ft at 9:00PM Mar 25, 2023Observed: 5.09 ft at 9:15PM Mar 25, 2023Observed: 5.1 ft at 9:30PM Mar 25, 2023Observed: 5.11 ft at 9:45PM Mar 25, 2023Observed: 5.12 ft at 10:00PM Mar 25, 2023Observed: 5.13 ft at 10:15PM Mar 25, 2023Observed: 5.13 ft at 10:30PM Mar 25, 2023Observed: 5.15 ft at 10:45PM Mar 25, 2023Observed: 5.16 ft at 11:00PM Mar 25, 2023Observed: 5.17 ft at 11:15PM Mar 25, 2023Observed: 5.18 ft at 11:30PM Mar 25, 2023Observed: 5.19 ft at 11:45PM Mar 25, 2023Observed: 5.2 ft at 12:00AM Mar 26, 2023Observed: 5.21 ft at 12:15AM Mar 26, 2023Observed: 5.21 ft at 12:16AM Mar 26, 2023Observed: 5.23 ft at 12:30AM Mar 26, 2023Observed: 5.24 ft at 12:45AM Mar 26, 2023Observed: 5.24 ft at 1:00AM Mar 26, 2023Observed: 5.26 ft at 1:15AM Mar 26, 2023Observed: 5.27 ft at 1:30AM Mar 26, 2023Observed: 5.28 ft at 1:45AM Mar 26, 2023Observed: 5.29 ft at 2:00AM Mar 26, 2023Observed: 5.3 ft at 2:15AM Mar 26, 2023Observed: 5.32 ft at 2:30AM Mar 26, 2023Observed: 5.33 ft at 2:45AM Mar 26, 2023Observed: 5.34 ft at 3:00AM Mar 26, 2023Observed: 5.35 ft at 3:15AM Mar 26, 2023Observed: 5.37 ft at 3:30AM Mar 26, 2023Observed: 5.37 ft at 3:45AM Mar 26, 2023Observed: 5.39 ft at 4:00AM Mar 26, 2023Observed: 5.4 ft at 4:15AM Mar 26, 2023Observed: 5.42 ft at 4:30AM Mar 26, 2023Highest Observation: 5.43 ft at 4:45AM Mar 26, 2023Forecast: 6 ft 8:00AM Mar 26, 2023Forecast: 6.6 ft 2:00PM Mar 26, 2023Forecast: 7.1 ft 8:00PM Mar 26, 2023Forecast: 7.4 ft 2:00AM Mar 27, 2023Highest Forecast: 7.5 ft 8:00AM Mar 27, 2023Highest Forecast: 7.5 ft 2:00PM Mar 27, 2023Forecast: 7.4 ft 8:00PM Mar 27, 2023Forecast: 7.2 ft 2:00AM Mar 28, 2023Forecast: 7 ft 8:00AM Mar 28, 2023USGS--Water Resources of the United StatesEDFM2(plotting HGIRG) Graph Created (5:26AM Mar 26, 2023)ObservedForecast (issued 11:08AM Mar 25)Latest observed value: 5.43 ft at 4:45 AM EDT 26-Mar-2023. Flood Stage is 15 ft
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Tabular Data (UTC)
Tabular Data (EDT)
XML Data
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Datum: NAVD88
Metadata
NOTE: Forecasts for the Potomac River at Edwards Ferry are issued routinely year-round.
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Upstream Gauge - at Point of Rocks Upstream Gauge Downstream Gauge Downstream Gauge - near Washington DC (Little Falls)
Flood Categories (in feet)
Major Flood Stage: 24
Moderate Flood Stage: 17
Flood Stage: 15
Action Stage: 12.25
Low Stage (in feet): -9999

Historic Crests
(1) 22.45 ft on 06/05/2018
(2) 21.80 ft on 09/29/2018
(3) 21.57 ft on 09/29/2018
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(P): Preliminary values subject to further review.

Recent Crests
(1) 18.45 ft on 05/08/2022 (P)
(2) 16.91 ft on 03/02/2021
(3) 15.90 ft on 05/02/2020 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:14
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Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
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28 Tchiffely Mill Road begins to flood due to backwater effects. Most of the C&O Canal towpath is flooded.
26 Water covers the lock at Edwards Ferry. The access road to Violettes Lock is flooded.
24 Water reaches the first floor ceiling at Whites Ferry store. Significant portions of the C&O Canal towpath are flooded. Backwater flooding is affecting homes on the Loudoun County side of the river near Broad Run in Sterling.
20 The basements of the Edwards Ferry Lockhouse and Rileys Lockhouse are flooded. Backwater flooding may affect homes on the Loudoun County side of the river near Broad Run in Sterling.
18.5 The parking lot at Edwards Ferry is completely covered by water. The parking lot at Seneca is partially flooded.
17 Floodwaters begin to enter the store at Whites Ferry.
15 Water reaches the boat ramp and lower parking area at Edwards Ferry, and begins to inundate areas near Whites Ferry.
14.7 The Chisel Branch Hiker/Biker Campsite near the C&O Canal trail starts flooding.
12.25 Water reaches the Whites Ferry area. Ferry service may be suspended.
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Latitude: 39.098611° N, Longitude: 77.471111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 15 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 178.7 Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
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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.
NWS Information
National Weather Service
(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(571) 888-3500
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