Potomac Tidal Differences


Time Diff. Hgt. Diff.


High Low High Low


Ref. Station

Cornfield Harbor, Md.
-6 29 -7 29 *0.48 *0.47

Lewisetta, Va.
-6 22 -7 19 *0.46 *0.46

Travis Point, Coan River, Va.
-6 18 -6 59 *0.44 *0.41

Yeocomico River Lynch Point, Va.
-6 09 -6 52 *0.48 *0.47

Kinsale, Va.
-6 04 -6 47 *0.44 *0.41

St. Marys River Kitts Point, Md.
-6 36 -7 17 *0.55 *0.53

St. Marys City, Md.
-6 21 -7 02 *0.55 *0.53

Piney Point, Md.
-6 12 -7 10 *0.52 *0.53

Ranged Point, Coles Neck, Va.
-5 53 -6 57 *0.55 *0.53

Coles Point, Va.
-5 55 -6 49 *0.66 *0.64

Leonardtown, Breton Bay, Md.
-5 50 -6 33 *0.62 *0.64

Shipping Point, St. Clements Bay, Md.
-5 45 -6 28 *0.64 *0.64

Mount Holly, Nomini Creek, Va.
-5 09 -5 48 *0.55 *0.55

Colton's Point, Md.
-5 31 -6 38 *0.66 *0.65

Wicomico River Cobb Point Bar Light, Md.
-5 41 -6 22 *0.69 *0.71

Rock Point, Md.
-5 36 -6 17 *0.69 *0.71

Bushwood Wharf, Md.
-5 36 -6 17 *0.69 *0.70

Wicomico Beach, Md.
-5 23 -5 59 *0.66 *0.65

Colonial Beach, Va.
-5 27 -6 12 *0.58 *0.58

Dahlgren, Upper Machodoc Creek, Va.
-5 00 -5 45 *0.59 *0.59

Lower Cedar Point, Md.
-5 05 -5 50 *0.55 *0.53

Mathias Point, Va.
-4 17 -4 50 *0.45 *0.45

Goose Bay, Port Tobacco River, Md.
-4 20 -5 01 *0.55 *0.53

Upper Cedar Point Light, Md.
-4 08 -4 47 *0.43 *0.43

Riverside, Md.
-3 35 -4 19 *0.48 *0.47

Maryland Point Light, Md.
-3 12 -3 38 *0.41 *0.41

Aquia Creek, Va.
-1 46 -2 26 *0.45 *0.45

Clifton Beach, Md.
-2 00 -2 40 *0.43 *0.41

Liverpool Point, Md.
-2 07 -2 33 *0.48 *0.47

Quantico Creek, Va.
-1 04 -1 59 *0.51 *0.47

Deep Point, Mattawoman Creek, Md.
-1 12 -1 38 *0.58 *0.59

High Point, Occoquan Bay, Va.
-1 02 -1 28 *0.57 *0.59

Indian Head, Md.
-0 26 -1 28 *0.66 *0.65

Glymont, Md.
-0 47 -1 13 *0.65 *0.65

Gunston Cove, Va.
-0 28 -0 54 *0.72 *0.71

Marshall Hall, Md.
-0 02 -0 50 *0.83 *0.82

Mount Vernon, Va.
-0 17 -0 42 *0.79 *0.82

Fort Washington, Md.
-0 07 -0 32 *0.88 *0.88

Riverview, Md.
-0 07 -0 32 *0.92 *0.88

Alexandria, Va.
+0 08 -0 17 *1.00 *1.00

Bellevue, D.C.
+0 16 -0 04 *1.03 *1.00

Washington National Airport
+0 16 -0 02 *1.07 *1.06

WASHINGTON, Washington Channel, D.C. Daily Predictions

Anacostia River Anacostia Bridge, D.C.
+0 25 +0 06 *1.06 *1.06

Benning Bridge, D.C.
+0 31 +0 10 *1.07 *1.06

Key Bridge, D.C.
+0 25 +0 06 *1.03 *1.00

Chain Bridge, one mile below, D.C.
+0 30 +0 11 *1.03 *1.00

Chain Bridge, D.C.
+0 35 +0 16 *1.03 *1.00