Cobb Point Bar (Maryland)
Historical Light List Characteristics
| 1893 | F W. W111/2. | LHB Light List (Atlantic): 462 |
| 1898 | F WR. W111/2, R111/2. Red sector between WNW. 1/2 W. and NW. by W. 13/16 W.; and another between ESE. 1/16 E. and SE. by E. 1/8 E. | LHB Light List (Atlantic): 557 |
| 1899 | LHB Light List (Atlantic): 572 | |
| 1905 | LHB Light List (Atlantic): 665 | |
| 1908 | F WR. W111/2, R111/2. R114°-125°(11°), W125°-2901/2°(1651/2°), R2901/2°-2982/3°(8.17°), W2982/3°-114°(1751/3°). | LHB Light List (Atlantic): 722 |
| 1915 | F WR. R109°-120°(11°), W120°-285°(165°), R285°-293°(8°), W293°-109°(176°). | USLHS Light List (Atlantic): 977 |
| 1917 | USLHS Light List (Atlantic): 1013 | |
| 1920 | USLHS Light List (Atlantic): 1065 | |
| 1927 | F WR. R109°-120°(11°), W120°-1841/2°(641/2°), R1841/2°-192°(71/2°), W192°-285°(93°), R285°-293°(8°), W293°-109°(176°). | USLHS Light List (Atlantic): 1145 |
| 1931 | USLHS Light List (Atlantic): 1465 | |
| 1935 | USLHS Light List (Atlantic): 1820 | |
| 1943 | Fl WR 4s. fl 0.4. R109°-120°(11°), W120°-109°(349°). | USCG Light List (Atlantic): 2368 |
| 1945-1947 | ||
| 1950-1952 | ||
| 1953-1955 | USCG Light List - Vol. I-VI: 2643 | |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 3094 | |
| 1961 | USCG Light List - Vol. I: 3094 | |
| 1963 | ||
| 1965 | ||
| 1966 | Fl WR 4s. W12, R12. R109°-120°(11°), W120°-109°(349°). | USCG Light List - Vol. I: 3366 |
| 1969-1970 | ||
| 1972 | ||
| 1973-1974 | Fl WR 4s. W6, R6. R109°-120°(11°), W120°-109°(349°). | |
| 1976 | ||
| 1978 | ||
| 1982 | ||
| 1987 | USCG Light List - Vol. II: 11545 | |
| 1990 | USCG Light List - Vol. II: 15655 | |
| 1991-1992 | Fl RG 4s. R6, G6. R109°-120°(11°), G120°-109°(349°). | |
| 1993-1996 | USCG Light List - Vol. II: 17255 | |
| 2004 | Fl G 4s. G6. |
Historical Light List Optics and Structures
| 1893 | 4th | N/A | 381/2 | White square screw-pile structure, with green shutters; piles and roof, brown; lantern, black. Stands in 6 feet at mean low water. | LHB Light List (Atlantic): 462 |
| 1898 | White square screw-pile structure, with green shutters; piles and roof, brown; lantern, black. In 6 feet of water. | LHB Light List (Atlantic): 557 | |||
| 1899 | LHB Light List (Atlantic): 572 | ||||
| 1905 | White, square, screw-pile structure, with green shutters; piles and roof, brown; lantern, black. In 6 feet of water. | LHB Light List (Atlantic): 665 | |||
| 1908 | White, square, screw-pile structure, with green shutters; brown piles and roof; black lantern. In 6 feet of water. | LHB Light List (Atlantic): 722 | |||
| 1915 | N/A | 39 | White; square; on brown piles. In 1 fathom. | USLHS Light List (Atlantic): 977 | |
| 1917 | White, square; on brown piles. In 1 fathom. | USLHS Light List (Atlantic): 1013 | |||
| 1920 | USLHS Light List (Atlantic): 1065 | ||||
| 1927 | USLHS Light List (Atlantic): 1145 | ||||
| 1931 | 4 o | White square on brown piles. In 6 feet. | USLHS Light List (Atlantic): 1465 | ||
| 1935 | 4 iov | USLHS Light List (Atlantic): 1820 | |||
| 1943 | 200 mm e | N/A | 35 | White skeleton tower on pile structure. In 6 feet. | USCG Light List (Atlantic): 2368 |
| 1945-1946 | |||||
| 1947 | 300 mm e | ||||
| 1950-1952 | |||||
| 1953-1955 | N/A | USCG Light List - Vol. I-VI: 2643 | |||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 3094 | ||||
| 1961 | USCG Light List - Vol. I: 3094 | ||||
| 1963 | |||||
| 1965 | |||||
| 1966 | USCG Light List - Vol. I: 3366 | ||||
| 1969-1970 | Black square daymark on skeleton tower on pile structure. In 6 feet. | ||||
| 1972-1974 | SB on skeleton tower on pile structure. In 6 feet. | ||||
| 1976 | |||||
| 1978 | 18 | SG on pile. In 10 feet. | |||
| 1982 | SG on pile. In 8 feet. | ||||
| 1987 | SG on pile. | USCG Light List - Vol. II: 11545 | |||
| 1990-1992 | USCG Light List - Vol. II: 15655 | ||||
| 1993-1996 | USCG Light List - Vol. II: 17255 | ||||
| 2004 | SG on multi-pile structure. |
Historical Light List Audible Fog Signals
| 1893 | Bell struck by machinery, a double blow every 15 sec. | None | LHB Light List (Atlantic): 462 |
| 1898 | LHB Light List (Atlantic): 557 | ||
| 1899 | LHB Light List (Atlantic): 572 | ||
| 1905 | Bell struck by machinery a double blow every 15 sec. | LHB Light List (Atlantic): 665 | |
| 1908 | LHB Light List (Atlantic): 722 | ||
| 1915 | Bell; 2 strokes every 15 sec. | USLHS Light List (Atlantic): 977 | |
| 1917 | Bell; gp. 2 strokes every 15 sec. | USLHS Light List (Atlantic): 1013 | |
| 1920 | USLHS Light List (Atlantic): 1065 | ||
| 1927 | USLHS Light List (Atlantic): 1145 | ||
| 1931 | BELL; gp. 2 strokes every 15 sec. | USLHS Light List (Atlantic): 1465 | |
| 1935 | USLHS Light List (Atlantic): 1820 | ||
| 1943 | None | USCG Light List (Atlantic): 2368 | |
| 1945-1947 | |||
| 1950-1952 | |||
| 1953-1955 | USCG Light List - Vol. I-VI: 2643 | ||
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 3094 | ||
| 1961 | USCG Light List - Vol. I: 3094 | ||
| 1963 | |||
| 1965 | |||
| 1966 | USCG Light List - Vol. I: 3366 | ||
| 1969-1970 | |||
| 1972-1974 | |||
| 1976 | |||
| 1978 | |||
| 1982 | |||
| 1987 | USCG Light List - Vol. II: 11545 | ||
| 1990-1992 | USCG Light List - Vol. II: 15655 | ||
| 1993-1996 | USCG Light List - Vol. II: 17255 | ||
| 2004 |
 |
1889 - Present (1940 modern replacement was built on original pile foundation.) |