Grindle Point (Maine)
Historical Light List Characteristics
| 1858 | F W. W11. | LHB Light List (US): 30 |
| 1860 | LHB Light List (US): 24 | |
| 1865-1866 | LHB Light List (All Coasts): 24 | |
| 1868 | ||
| 1870 | LHB Light List (All Coasts): 25 | |
| 1878-1879 | LHB Light List (All Coasts): 32 | |
| 1886 | LHB Light List (All Coasts): 30 | |
| 1888 | LHB Light List (All Coasts): 32 | |
| 1893 | F W. W111/2. | LHB Light List (Atlantic): 38 |
| 1898-1899 | LHB Light List (Atlantic): 39 | |
| 1905 | ||
| 1908 | LHB Light List (Atlantic): 40 | |
| 1915 | F W. W9. | USLHS Light List (Atlantic): 44 |
| 1917 | USLHS Light List (Atlantic): 46 | |
| 1920 | ||
| 1927 | ||
| 1931 | ||
| 1940 | Fl W 4s. W9. fl 0.4. | USCG Light List (Atlantic): 58 |
| 1943 | USCG Light List (Atlantic): 72 | |
| 1945-1946 | ||
| 1947 | Fl W 4s. W7. fl 0.4. | |
| 1950-1952 | ||
| 1953-1955 | Fl W 4s. W6. fl 0.4. | USCG Light List - Vol. I-VI: 153 |
| 1957 | ||
| 1959 | USCG Light List - Vol. I-V: 156 | |
| 1960 | Fl W 4s. W8. fl 0.4. | |
| 1961 | Fl W 4s. W10. fl 0.4. | USCG Light List - Vol. I: 156 |
| 1963-1965 | ||
| 1966 | Fl W 4s. W10. | USCG Light List - Vol. I: 270 |
| 1969-1972 | ||
| 1973-1978 | Fl W 4s. W7. | |
| 1979 | Fl G 4s. G7. | |
| 1982 | ||
| 1987 | USCG Light List - Vol. I: 4505 | |
| 1990-1992 | Fl G 4s. G6. | USCG Light List - Vol. I: 4315 |
| 1993-1996 | USCG Light List - Vol. I: 4405 | |
| 2004 | Fl G 4s. G5. |
Historical Light List Optics and Structures
| 1858 | 5th | 28 | 39 | N/A | LHB Light List (US): 30 |
| 1860 | LHB Light List (US): 24 | ||||
| 1865-1866 | Light on keeper's dwelling. | LHB Light List (All Coasts): 24 | |||
| 1868 | |||||
| 1870 | Light on keeper's dwelling; dwelling of brick. | LHB Light List (All Coasts): 25 | |||
| 1878-1879 | Square brick tower, connected with a one and a half story dwelling by a covered way, all white. The tower is located near the southerly side of the dwelling. | LHB Light List (All Coasts): 32 | |||
| 1886 | Square white tower and dwelling, connected by covered way. | LHB Light List (All Coasts): 30 | |||
| 1888 | LHB Light List (All Coasts): 32 | ||||
| 1893 | 323/4 | 381/4 | LHB Light List (Atlantic): 38 | ||
| 1898-1899 | Square white tower and dwelling, connected by a covered way. Small white bell tower near the westerly side of light tower. | LHB Light List (Atlantic): 39 | |||
| 1905 | White square tower and dwelling, connected by a covered way. Small white bell-tower near the westerly side of light tower. | ||||
| 1908 | White square tower and dwelling, connected by a covered way; small white bell-tower near the W'ly side of and red-brick oilhouse 370 feet N'ly from light-tower. | LHB Light List (Atlantic): 40 | |||
| 1915 | N/A | 38 | 38 | White; square tower, coveredway to dwelling. | USLHS Light List (Atlantic): 44 |
| 1917 | 39 | USLHS Light List (Atlantic): 46 | |||
| 1920 | |||||
| 1927 | |||||
| 1931 | 5 o | White square tower, covered way to dwelling. | |||
| 1940 | 200 mm a | N/A | 21 | Black skeleton tower. | USCG Light List (Atlantic): 58 |
| 1943 | USCG Light List (Atlantic): 72 | ||||
| 1945-1947 | |||||
| 1950-1952 | |||||
| 1953 | N/A | USCG Light List - Vol. I-VI: 153 | |||
| 1954-1955 | Black skeleton tower, small black house. | ||||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 156 | ||||
| 1961 | USCG Light List - Vol. I: 156 | ||||
| 1963-1965 | |||||
| 1966 | USCG Light List - Vol. I: 270 | ||||
| 1969-1971 | White square daymark on white skeleton tower, small white house. | ||||
| 1972-1978 | SW on white skeleton tower, small white house. | ||||
| 1979 | SG on white skeleton tower, small white house. | ||||
| 1982 | |||||
| 1987 | SG on skeleton tower. | USCG Light List - Vol. I: 4505 | |||
| 1990-1992 | N/A | N/A | 39 | White square tower. | USCG Light List - Vol. I: 4315 |
| 1993-1996 | USCG Light List - Vol. I: 4405 | ||||
| 2004 |
Historical Light List Audible Fog Signals
| 1858 | None | None | LHB Light List (US): 30 |
| 1860 | LHB Light List (US): 24 | ||
| 1865-1866 | LHB Light List (All Coasts): 24 | ||
| 1868 | |||
| 1870 | LHB Light List (All Coasts): 25 | ||
| 1878-1879 | LHB Light List (All Coasts): 32 | ||
| 1886 | Hand-bell, rung in answer to signals. | LHB Light List (All Coasts): 30 | |
| 1888 | LHB Light List (All Coasts): 32 | ||
| 1893 | LHB Light List (Atlantic): 38 | ||
| 1898-1899 | A 1,000-pound bell struck by hand in answer to signals. | LHB Light List (Atlantic): 39 | |
| 1905 | 1,000-pound bell struck by hand in answer to signals. | ||
| 1908 | LHB Light List (Atlantic): 40 | ||
| 1915 | 1,000-pound bell (hand) answers to signals. | USLHS Light List (Atlantic): 44 | |
| 1917 | 1,000-pound bell (hand) answers signals. | USLHS Light List (Atlantic): 46 | |
| 1920 | |||
| 1927 | Bell (1,000-lb.), answers signals. | ||
| 1931 | BELL; hand; answers signals. | ||
| 1940 | None | USCG Light List (Atlantic): 58 | |
| 1943 | USCG Light List (Atlantic): 72 | ||
| 1945-1947 | |||
| 1950-1952 | |||
| 1953-1955 | USCG Light List - Vol. I-VI: 153 | ||
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 156 | ||
| 1961 | USCG Light List - Vol. I: 156 | ||
| 1963-1965 | |||
| 1966 | USCG Light List - Vol. I: 270 | ||
| 1969-1979 | |||
| 1982 | |||
| 1987 | USCG Light List - Vol. I: 4505 | ||
| 1990-1992 | USCG Light List - Vol. I: 4315 | ||
| 1993-1996 | USCG Light List - Vol. I: 4405 | ||
| 2004 |
 |
1851 - Present (Exact location of current 1874 lighthouse. Locations for the original 1850 light and the modern lights from 1935-1986 are assumed to be close.) |