Lighthouses and Lightships With Fog Signals for North Atlantic (1879)
| 77 | - Bell | |
| 13 | - Bell and Horn | |
| 13 | - Bell, Horn, and Gun | |
| 10 | - Siren | |
| 10 | - Trumpet | |
| 8 | - Whistle |
Lighthouses with Audible Fog Signals
| Bartlett Reef Lightship | CT | A bell and horn. | N41 16.000 | W072 08.000 |
| Bridgeport Harbor | CT | A bell, struck by machinery every 15 seconds. | N41 09.400 | W073 10.800 |
| Cornfield Point Lightship | CT | A bell and horn. | N41 13.500 | W072 23.600 |
| Eel Grass Shoal Lightship | CT | A bell and horn. | N41 18.333 | W071 56.750 |
| Faulkner's Island | CT | A bell, struck by machinery, at intervals of 15 seconds. | N41 12.726 | W072 39.216 |
| Lynde Point | CT | A bell, struck by machinery, at intervals of 12 seconds. | N41 16.290 | W072 20.592 |
| New London Harbor | CT | A 3d-class fog-trumpet, giving blasts of 6 seconds at intervals of 14 seconds. | N41 19.002 | W072 05.388 |
| Penfield Reef | CT | A bell, struck by machinery, 2 blows in quick succession, at intervals of 20 seconds. | N41 07.026 | W073 13.320 |
| Southwest Ledge | CT | A bell, struck by machinery, at intervals of 15 seconds. | N41 14.070 | W072 54.720 |
| Stratford Point | CT | A bell, struck by machinery, at intervals of 10 seconds for 4 blows; a pause of 30 seconds, and then the 4 blows repeated. | N41 09.120 | W073 06.204 |
| Stratford Shoal | CT | A bell, struck by machinery, at intervals of 30 seconds, 3 blows in quick succession. | N41 03.582 | W073 06.078 |
| Cape Henlopen Beacon | DE | A 1st-class steam fog-siren, give a blast of 6 seconds duration at intervals of 39 seconds. | N38 47.567 | W075 05.200 |
| Delaware Breakwater West End | DE | A bell, struck by machinery, at intervals of 10 seconds. | N38 47.955 | W075 06.472 |
| Fourteen Foot Bank Lightship | DE | A bell and horn. | N39 03.000 | W075 11.000 |
| Baker's Island (Northwestern) | MA | A bell [shared] | N42 32.195 | W070 47.159 |
| Baker's Island (Southeastern) | MA | A bell [shared] | N42 32.190 | W070 47.154 |
| Bishop and Clerks | MA | A bell | N41 34.457 | W070 15.007 |
| Boston | MA | A 1st-class Daboll's air-trumpet, in duplicate, giving blasts of 7 seconds, followed by intervals of 43 seconds. | N42 19.674 | W070 53.406 |
| Cape Ann | MA | A trumpet [shared] 15 feet in length, operated by a 32-inch hot-air engine, giving blasts of 7 seconds duration, at intervals of 43 seconds. | N42 38.208 | W070 34.500 |
| Cross Rip Lightship | MA | A bell and horn. | N41 26.800 | W070 17.500 |
| Dumpling Rock | MA | A bell, struck by machinery, giving 2 blows in quick succession, alternately with a single blow, at intervals of 30 seconds. | N41 32.286 | W070 55.284 |
| Eastern Point | MA | A bell | N42 34.818 | W070 39.870 |
| Handkerchief Shoal Lightship | MA | A bell and horn. | N41 29.600 | W070 03.700 |
| Hen and Chickens Lightship | MA | A bell and horn. | N41 27.000 | W071 01.100 |
| Highland | MA | A 1st class Daboll trumpet, blasts 8 seconds at intervals of 30 seconds. | N42 02.350 | W070 03.621 |
| Long Point | MA | A bell, struck by machinery, giving two blows in quick succession, followed by an interval of 30 seconds, then a single blow, also followed by an interval of 30 seconds. | N42 01.992 | W070 10.116 |
| Minot's Ledge | MA | A bell, struck by machinery. | N42 16.194 | W070 45.564 |
| Nantucket Shoals Lightship | MA | A bell and fog-horn. | N40 56.500 | W069 51.500 |
| Nobska Point | MA | A bell, struck by machinery, giving 2 blows in quick succession, alternately with a single blow, at intervals of 30 seconds. | N41 30.948 | W070 39.306 |
| Pollock Rip Lightship | MA | A 1st-class steam fog-siren, giving, during each minute, a blast of 5 seconds' duration, followed by an interval of 22 seconds; then a blast of 3 seconds' duration, followed by an interval of 30 seconds. | N41 32.000 | W069 55.000 |
| Race Point | MA | A 12-inch steam fog-whistle, in duplicate, giving blasts of 4 seconds, with alternate intervals of 8 and 44 seconds. | N42 03.738 | W070 14.586 |
| Stonehorse Shoal Lightship | MA | A bell and horn. | N41 32.000 | W069 59.800 |
| Succonnesset Shoal Lightship | MA | A bell and horn. | N41 32.000 | W070 26.300 |
| Thacher Island | MA | A trumpet [shared] 15 feet in length, operated by a 32-inch hot-air engine, giving blasts of 7 seconds duration, at intervals of 43 seconds. | N42 38.352 | W070 34.488 |
| Vineyard Sound Lightship | MA | A 1st-class steam fog-siren, giving blasts of 6 seconds, followed by intervals of 45 seconds. | N41 23.000 | W070 59.000 |
| Choptank River | MD | A bell, struck by machinery, at intervals of 10 seconds. | N38 39.342 | W076 11.070 |
| Cove Point | MD | A bell, struck at intervals of 12 seconds. | N38 23.178 | W076 22.908 |
| Craighill Channel Lower Range Front | MD | A bell, struck by machinery, at alternate intervals of 3 seconds and 30 seconds. | N39 11.317 | W076 23.670 |
| Fort Carroll | MD | A bell, struck by machinery, at intervals of 10 seconds. | N39 12.876 | W076 31.194 |
| Janes Island | MD | A bell, struck by machinery, at intervals of 15 seconds. | N37 57.804 | W075 55.104 |
| Lazaretto Point | MD | A bell, struck by machinery, at intervals of 10 seconds. | N39 15.767 | W076 34.300 |
| Love Point | MD | A bell, struck by machinery, at intervals of 8 seconds. | N39 03.426 | W076 16.992 |
| Lower Cedar Point | MD | A bell, struck by machinery, at intervals of 12 seconds. | N38 20.406 | W076 59.616 |
| Mathias Point Shoal | MD | A bell, struck by machinery,2 strokes in quick succession, alternating with a single stroke at 30 seconds interval. | N38 24.312 | W077 02.568 |
| Point Lookout | MD | A bell, struck by machinery, at intervals of 10 seconds. | N38 02.328 | W076 19.320 |
| Poole's Island | MD | A bell, struck by machinery, at intervals of 12 seconds. | N39 17.436 | W076 15.990 |
| Sandy Point | MD | A bell, struck by machinery, at intervals of 10 seconds. | N39 00.732 | W076 23.928 |
| Seven Foot Knoll | MD | A bell, struck by machinery, at intervals of 12 seconds. | N39 09.318 | W076 24.540 |
| Solomons Lump | MD | A bell, struck by machinery, 2 strokes in quick succession, alternating with a single stroke at 30 seconds interval. | N38 02.880 | W076 00.900 |
| Somers Cove | MD | A bell, struck by machinery, at intervals of 15 seconds. | N37 57.990 | W075 52.650 |
| Thomas Point Shoal | MD | A bell, struck by machinery, 3 strokes in quick succession at an interval of 30 seconds. | N38 53.940 | W076 26.166 |
| Avery Rock | ME | A bell, struck by machinery, giving two blows in quick succession, alternately with a single blow at intervals of 30 seconds. | N44 39.255 | W067 20.647 |
| Bass Harbor Head | ME | A bell, struck by hand. | N44 13.320 | W068 20.232 |
| Cape Elizabeth (East Tower) | ME | A 2d-class siren [shared], giving two blasts of 5 seconds each, with an interval of 8 seconds between them, and then a pause of 42 seconds every minute. | N43 33.966 | W070 12.006 |
| Cape Elizabeth (West Tower) | ME | A 2d-class siren [shared], giving two blasts of 5 seconds each, with an interval of 8 seconds between them, and then a pause of 42 seconds every minute. | N43 33.852 | W070 12.156 |
| Egg Rock | ME | A bell, struck by hand. | N44 21.246 | W068 08.286 |
| Libby Island | ME | A bell struck by machinery. | N44 34.092 | W067 22.038 |
| Little River | ME | Bell struck by machinery twice a minute. | N44 39.054 | W067 11.538 |
| Matinicus Rock (North Tower) | ME | A 12-inch steam fog-whistle [shared], in duplicate, giving blasts of 5 seconds at intervals of 25 seconds. | N43 47.040 | W068 51.324 |
| Matinicus Rock (South Tower) | ME | A 12-inch steam fog-whistle [shared], in duplicate, giving blasts of 5 seconds at intervals of 25 seconds. | N43 47.016 | W068 51.336 |
| Mount Desert Rock | ME | A bell, struck by hand | N43 58.110 | W068 07.692 |
| Narraguagus | ME | A bell, struck by hand. | N44 27.360 | W067 49.872 |
| Petit Manan | ME | A 10-inch steam fog-whistle, in duplicate, giving two blasts of 5 seconds each per minute; intervals between the blasts 8 seconds and 42 seconds. | N44 22.056 | W067 51.846 |
| Pond Island | ME | A bell struck by hand. | N43 44.400 | W069 46.218 |
| Portland Head | ME | A 2d-class Daboll's air-trumpet, in duplicate, giving blasts of 8 seconds at intervals of 40 seconds. | N43 37.386 | W070 12.474 |
| Seguin Island | ME | A 10-inch steam fog-whistle, in duplicate, giving blasts of 8 seconds, at intervals of 52 seconds. | N43 42.450 | W069 45.486 |
| West Quoddy Head | ME | A 10-inch steam fog-whistle, in duplicate, giving blasts of 8 seconds at intervals of 52 seconds. | N44 48.912 | W066 57.030 |
| Whaleback Ledge | ME | A 3d-class Daboll's trumpet, giving blasts of 8 seconds duration, at intervals of 22 seconds. | N43 03.528 | W070 41.778 |
| Whitehead | ME | A 10-inch steam fog-whistle, in duplicate, giving blasts of 8 seconds at intervals of 52 seconds.. | N43 58.722 | W069 07.458 |
| Wood Island | ME | A bell, struck by machinery two blows in rapid succession; pause of 25 seconds, followed by a single blow. | N43 27.408 | W070 19.740 |
| Ambrose Channel Lightship | NJ | A fog-bell and a Thier's automatic fog-horn. | N40 26.900 | W073 52.000 |
| Bergen Point | NJ | A bell, struck by machinery every 15 seconds. | N40 38.583 | W074 08.900 |
| Brandywine Shoal | NJ | A bell, struck by machinery two blows, and then a pause for 30 seconds. | N38 59.172 | W075 06.792 |
| Cross Ledge | NJ | A bell, struck by machinery, at intervals of 10 seconds. | N39 09.660 | W075 14.253 |
| Five Fathom Bank Lightship | NJ | A 12-inch steam fog-whistle, giving a blast of 4 seconds' duration each minute. | N38 53.500 | W074 39.000 |
| Passaic | NJ | Bell, struck by machinery one blow every 20 seconds. | N40 41.767 | W074 07.633 |
| Sandy Hook East Beacon | NJ | A 1st-order steam fog-siren, in duplicate, giving blasts of 6 seconds at intervals of 40 seconds. | N40 28.250 | W074 00.100 |
| Scotland Lightship | NJ | A fog-bell. | N40 26.400 | W073 55.900 |
| Ship John Shoal | NJ | A bell, struck by machinery 3 blows in quick succession, then a pause of 45 seconds. | N39 18.318 | W075 22.602 |
| Eaton's Neck | NY | A 2d-order steam fog-siren, in duplicate, worked by a 12-horse-power steam-engine, giving blasts of 9 seconds at intervals of 35 seconds. | N40 57.240 | W073 23.730 |
| Execution Rocks | NY | A 3d-order fog-trumpet, giving blasts of 7 seconds at intervals of 15 seconds. | N40 52.686 | W073 44.262 |
| Little Gull Island | NY | A 2d-order steam fog-siren, in duplicate, giving blasts of 5 seconds at intervals of 40 seconds. | N41 12.384 | W072 06.408 |
| Long Beach Bar | NY | A cast-steel bell, struck by machinery, at intervals of 15 seconds. | N41 06.546 | W072 18.360 |
| Montauk Point | NY | A 1st-order Daboll trumpet, operated by hot-air engine, giving blast of 12 seconds at intervals of 50 seconds. | N41 04.260 | W071 51.426 |
| North Dumpling | NY | A bell, struck by machinery, at intervals of 15 seconds. | N41 17.274 | W072 01.158 |
| Plum Island | NY | A cast-steel bell, struck by machinery, at intervals of 15 seconds. | N41 10.422 | W072 12.690 |
| Race Rock | NY | A bell, struck by machinery, 2 blows in quick succession every 20 seconds. | N41 14.604 | W072 02.820 |
| Robbins Reef | NY | A bell, struck by machinery, at intervals of 15 seconds. | N40 39.444 | W074 03.924 |
| Stepping Stones | NY | A bell, struck by machinery in quick succession, at intervals of 20 seconds. | N40 49.458 | W073 46.476 |
| Stony Point (Hudson River) | NY | A bell, struck by machinery, at intervals of 15 seconds. | N41 14.478 | W073 58.302 |
| Throgs Neck | NY | A bell struck by machinery at intervals of 15 seconds. | N40 48.359 | W073 47.560 |
| Fort Mifflin Blockhouse | PA | A bell, struck by machinery 8 blows at intervals of 15 seconds, and then a pause of 42 seconds. | N39 52.200 | W075 12.467 |
| Beavertail | RI | A 1st-order Daboll trumpet, operated by a 24-inch hot-air engine, giving blasts of 6 seconds each, at intervals of 10 and 50 seconds. | N41 26.964 | W071 23.970 |
| Block Island Southeast | RI | A 1st-order steam fog-siren, giving blasts of 6 seconds at intervals of 20 seconds. | N41 09.204 | W071 33.126 |
| Brenton Reef Lightship | RI | A bell and horn. | N41 25.600 | W071 22.600 |
| Conimicut | RI | A bell, struck by machinery, at intervals of 12 seconds. | N41 43.020 | W071 20.706 |
| Dutch Island | RI | A fog-bell, struck by machinery, at intervals of 15 seconds. | N41 29.802 | W071 24.258 |
| Mussel Shoal | RI | A fog-bell, struck by machinery, one blow every 20 seconds. | N41 38.178 | W071 15.600 |
| Newport Harbor | RI | A fog-bell, struck by machinery, at intervals of 15 seconds. | N41 29.598 | W071 19.626 |
| Point Judith | RI | A 1st-order steam fog-siren, in duplicate, giving blasts of 6 seconds at intervals of 40 seconds. | N41 21.660 | W071 28.884 |
| Bowlers Rock | VA | A bell, struck by machinery, at intervals of 10 seconds. | N37 49.470 | W076 43.962 |
| Cherrystone Bar | VA | A bell, struck by machinery, 2 strokes in quick succession, at intervals of 30 seconds. | N37 15.384 | W076 01.944 |
| Craney Island | VA | A bell, struck by machinery, at intervals of 12 seconds. | N36 53.520 | W076 20.220 |
| Deep Water Shoals | VA | A bell, struck by machinery, at intervals of 15 seconds. | N37 08.934 | W076 38.208 |
| Jordan Point | VA | A bell, struck by machinery, at intervals of 10 seconds. | N37 18.767 | W077 13.417 |
| Lamberts Point | VA | A bell, struck by machinery, at intervals of 10 seconds. | N36 52.500 | W076 19.860 |
| Nansemond River | VA | A bell, struck by machinery, at intervals of 7 seconds. | N36 54.720 | W076 26.700 |
| Old Point Comfort | VA | A bell, struck by machinery, at intervals of 10 seconds. | N37 00.108 | W076 18.390 |
| Point of Shoals | VA | A bell, struck by machinery, at alternate intervals of 5 seconds and 20 seconds. | N37 04.098 | W076 39.180 |
| Smith Point | VA | A bell, struck at intervals of 15 seconds. | N37 53.675 | W076 11.700 |
| Stingray Point | VA | A bell, struck by machinery, at alternate intervals of 5 seconds and 30 seconds. | N37 33.700 | W076 16.383 |
| Thimble Shoal | VA | Two bells, struck simultaneously by machinery, at intervals of 5 seconds. One bell is on the north and the other on the south side of the light-house. | N37 00.876 | W076 14.394 |
| Tue Marshes | VA | A bell, struck by machinery, 2 strokes in quick succession, alternating with a single stroke at intervals of 30 seconds. | N37 14.136 | W076 23.148 |
| White Shoal | VA | A bell, struck by machinery, at intervals of 10 seconds. | N37 01.308 | W076 31.650 |
| Windmill Point | VA | A bell, struck by machinery, at intervals of 10 seconds. | N37 35.808 | W076 14.154 |
| Winter Quarter Shoal Lightship | VA | A bell and horn. | N37 57.000 | W075 05.500 |
| Wolf Trap | VA | A bell, struck by machinery at intervals of 15 seconds. | N37 23.267 | W076 11.555 |
| York Spit | VA | A bell, struck by machinery, at intervals of 10 seconds. | N37 12.583 | W076 15.250 |