Upper Cedar Point (Maryland)
Historical Light List Characteristics
| 1868 | F W. W10. Arc illuminated N. 70 W. by E'd to S. 30 W. | LHB Light List (All Coasts): 239 |
| 1870 | F W. W11. Arc illuminated N. 70 W. by E'd to S. 30 W. | LHB Light List (All Coasts): 252 |
| 1886 | LHB Light List (All Coasts): 374 | |
| 1888 | LHB Light List (All Coasts): 393 | |
| 1893 | F WR. W11, R11. Red sector between W. by S. and SW. 1/4 W.; and another between NE. 3/8 N. and NE. by E. 5/8 E. | LHB Light List (Atlantic): 465 |
| 1898 | F WR. W11, R11. Red sector between SW. 1/4 W. and W. by S. | LHB Light List (Atlantic): 561 |
| 1899 | LHB Light List (Atlantic): 576 | |
| 1905 | LHB Light List (Atlantic): 669 | |
| 1908 | F WR. W11, R11. R230°-2611/4°(311/4°), W2611/4°-230°(3283/4°). | LHB Light List (Atlantic): 726 |
| 1915 | F WR. R225°-256°(31°), W256°-225°(329°). | USLHS Light List (Atlantic): 991 |
| 1917 | USLHS Light List (Atlantic): 1027 | |
| 1920 | USLHS Light List (Atlantic): 1079 | |
| 1927 | USLHS Light List (Atlantic): 1160 | |
| 1931 | USLHS Light List (Atlantic): 1482 | |
| 1935 | USLHS Light List (Atlantic): 1837 | |
| 1943 | USCG Light List (Atlantic): 2396 | |
| 1945-1947 | ||
| 1950-1951 | ||
| 1952 | Fl WR 10s. fl 2. R225°-256°(31°), W256°-225°(329°). | |
| 1953-1955 | USCG Light List - Vol. I-VI: 2673 | |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 3125 | |
| 1961 | USCG Light List - Vol. I: 3125 | |
| 1963 | ||
| 1965 | Fl W 10s. fl 2. | USCG Light List - Vol. I: 3125 |
| 1966 | USCG Light List - Vol. I: 3396 | |
| 1969-1970 | ||
| 1972 | Fl W 6s. fl 1. | |
| 1973 | Fl W 6s. W10. | |
| 1974 | Fl W 6s. W9. | |
| 1976 | ||
| 1978 | ||
| 1982 | Fl W 6s. W6. | |
| 1987 | USCG Light List - Vol. II: 12120 | |
| 1990-1992 | Fl R 6s. R5. | USCG Light List - Vol. II: 16220 |
| 1993-1996 | USCG Light List - Vol. II: 17825 | |
| 2004 | Fl R 6s. R3. |
Historical Light List Optics and Structures
| 1868 | N/A | N/A | 35 | Screw-pile light-house in 31/2 feet water. | LHB Light List (All Coasts): 239 |
| 1870 | 5th | Screw-pile light-house in 31/2 feet water, with deep water within 150 yards of it. | LHB Light List (All Coasts): 252 | ||
| 1886 | 35 | Square white screw-pile structure; piles, brown; roof, lantern, window-shutters, and doors, black. Stands in 3 feet water. | LHB Light List (All Coasts): 374 | ||
| 1888 | Square white screw-pile structure; piles and roof, brown; lantern, black; window-shutters, green. Stands in 3 feet water. | LHB Light List (All Coasts): 393 | |||
| 1893 | N/A | 331/2 | White square screw-pile structure; piles and roof, brown; lantern, black; window shutters, green. Stands in 3 feet at mean low water. | LHB Light List (Atlantic): 465 | |
| 1898 | White square screw-pile structure; piles and roof, brown; lantern, black; window shutters, green. In 3 feet of water. | LHB Light List (Atlantic): 561 | |||
| 1899 | LHB Light List (Atlantic): 576 | ||||
| 1905 | White, square, screw-pile structure; piles and roof, brown; lantern, black; window shutters, green. In 3 feet of water. | LHB Light List (Atlantic): 669 | |||
| 1908 | White, square, screw-pile structure; brown piles and roof; black lantern; green window shutters. In 3 feet of water. | LHB Light List (Atlantic): 726 | |||
| 1915 | N/A | 34 | White; square; on brown piles. In 1/2 fathom. | USLHS Light List (Atlantic): 991 | |
| 1917 | White, square; on brown piles. In 1/2 fathom. | USLHS Light List (Atlantic): 1027 | |||
| 1920 | USLHS Light List (Atlantic): 1079 | ||||
| 1927 | USLHS Light List (Atlantic): 1160 | ||||
| 1931 | 5 o | White square on brown piles. In 3 feet. | USLHS Light List (Atlantic): 1482 | ||
| 1935 | 5 iov | USLHS Light List (Atlantic): 1837 | |||
| 1943 | White square structure on brown piles. In 3 feet. | USCG Light List (Atlantic): 2396 | |||
| 1945-1947 | |||||
| 1950-1951 | |||||
| 1952 | 5 e | ||||
| 1953-1955 | N/A | USCG Light List - Vol. I-VI: 2673 | |||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 3125 | ||||
| 1961 | USCG Light List - Vol. I: 3125 | ||||
| 1963 | |||||
| 1965 | N/A | N/A | 34 | Skeleton tower and small white house on piles. In 3 feet. | USCG Light List - Vol. I: 3125 |
| 1966 | USCG Light List - Vol. I: 3396 | ||||
| 1969-1970 | Red triangular daymark on skeleton tower and small white house on piles. In 3 feet. | ||||
| 1972-1974 | TR on skeleton tower and small white house on piles. In 3 feet. | ||||
| 1976 | |||||
| 1978 | |||||
| 1982 | |||||
| 1987 | TR on skeleton tower and small white house on piles. | USCG Light List - Vol. II: 12120 | |||
| 1990-1992 | USCG Light List - Vol. II: 16220 | ||||
| 1993-1996 | USCG Light List - Vol. II: 17825 | ||||
| 2004 | 15 | TR on multi-pile. |
Historical Light List Audible Fog Signals
| 1868 | Fog-bell struck by machinery. | None | LHB Light List (All Coasts): 239 |
| 1870 | A bell struck by machinery. | LHB Light List (All Coasts): 252 | |
| 1886 | Bell struck by machinery every 15 sec. | LHB Light List (All Coasts): 374 | |
| 1888 | LHB Light List (All Coasts): 393 | ||
| 1893 | LHB Light List (Atlantic): 465 | ||
| 1898 | LHB Light List (Atlantic): 561 | ||
| 1899 | LHB Light List (Atlantic): 576 | ||
| 1905 | LHB Light List (Atlantic): 669 | ||
| 1908 | Bell struck by machinery a single blow every 15 sec. | LHB Light List (Atlantic): 726 | |
| 1915 | Bell; 1 stroke every 15 sec. | USLHS Light List (Atlantic): 991 | |
| 1917 | USLHS Light List (Atlantic): 1027 | ||
| 1920 | USLHS Light List (Atlantic): 1079 | ||
| 1927 | USLHS Light List (Atlantic): 1160 | ||
| 1931 | BELL; 1 stroke every 15 sec. | USLHS Light List (Atlantic): 1482 | |
| 1935 | USLHS Light List (Atlantic): 1837 | ||
| 1943 | USCG Light List (Atlantic): 2396 | ||
| 1945-1947 | |||
| 1950-1951 | |||
| 1952 | BELL, electric; 1 stroke every 15 sec. | ||
| 1953-1955 | BELL: 1 stroke ev 15s. | USCG Light List - Vol. I-VI: 2673 | |
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 3125 | ||
| 1961 | USCG Light List - Vol. I: 3125 | ||
| 1963 | |||
| 1965 | BELL: 1 stroke ev 20s. | ||
| 1966 | USCG Light List - Vol. I: 3396 | ||
| 1969 | |||
| 1970 | None | ||
| 1972-1974 | |||
| 1976 | |||
| 1978 | |||
| 1982 | |||
| 1987 | USCG Light List - Vol. II: 12120 | ||
| 1990-1992 | USCG Light List - Vol. II: 16220 | ||
| 1993-1996 | USCG Light List - Vol. II: 17825 | ||
| 2004 |
 |
1867 - Present (Modern light was built on original foundation.) |