Lighthouses and Lightships With Fog Signals for South Atlantic and Gulf Coast (1950)
| 8 | - Bell | |
| 11 | - Diaphone | |
| 3 | - Horn | |
| 1 | - Siren |
Lighthouses with Audible Fog Signals
| Egmont Key | FL | DIAPHONE, air; blast 4 sec., silent 26 sec. | N27 36.048 | W082 45.642 |
| St. Johns Lightship | FL | HORN, diaphragm, air; blast 5 sec., silent 25 sec. | N30 23.500 | W081 18.000 |
| Savannah Lightship | GA | HORN, diaphragm, air; blast 2 sec., silent 18 sec. | N31 56.600 | W080 39.800 |
| Cubits Gap | LA | SIREN, electric; blast 5 sec., silent 15 sec. | N29 11.502 | W089 15.834 |
| Point au Fer Reef | LA | BELL; 1 stroke every 20 sec. | N29 22.300 | W091 23.100 |
| Sabine Pass East Jetty | LA | DIAPHONE, air; blast 2 sec., silent 18 sec. | N29 38.676 | W093 49.367 |
| South Pass East Jetty | LA | BELL; one stroke every 10 sec. (CO2). | N28 59.382 | W089 08.190 |
| South Pass West Jetty | LA | DIAPHONE, air, blast 2 sec., silent 18 sec. | N28 59.502 | W089 08.412 |
| Diamond Shoal Lightship | NC | DIAPHONE, two-tone, air; blast 5 sec., silent 55 sec. | N35 05.300 | W075 19.700 |
| Frying Pan Shoal Lightship | NC | DIAPHONE, two-tone, air; blast 4 sec., silent 26 sec. | N33 28.000 | W077 33.800 |
| Galveston Jetty | TX | DIAPHONE, air; blast 2 sec., silent 18 sec. | N29 19.674 | W094 41.562 |
| Cape Henry | VA | DIAPHONES, 2, air: Horns point 77° and 333°, blast 2 sec., silent 18 sec. | N36 55.584 | W076 00.438 |
| Cherrystone Bar | VA | BELL; 1 stroke every 20 sec. (CO2). | N37 15.384 | W076 01.944 |
| Chesapeake Lightship | VA | DIAPHONE, two-tone, air; blast 3 sec., silent 27 sec. | N36 58.700 | W075 42.200 |
| Craney Island | VA | BELL; 1 stroke every 30 sec. (CO2). | N36 53.520 | W076 20.220 |
| Deep Water Shoals | VA | BELL, 1 stroke every 15 sec. | N37 08.934 | W076 38.208 |
| Newport News Middle Ground | VA | BELL; group of 2 strokes every 15 sec. | N36 56.712 | W076 23.490 |
| Old Plantation Flats | VA | DIAPHONE, air; blast 3 sec., silent 17 sec. | N37 13.728 | W076 02.814 |
| Old Point Comfort | VA | BELL, electric; 1 stroke every 10 sec. | N37 00.108 | W076 18.390 |
| Pages Rock | VA | BELL; 1 stroke every 15 sec. | N37 18.654 | W076 35.196 |
| Thimble Shoal | VA | DIAPHONE, air; blast 2 sec., silent 8 sec. | N37 00.876 | W076 14.394 |
| Tue Marshes | VA | HORN, diaphragm, air, blast 2 sec., silent 13 sec. | N37 14.136 | W076 23.148 |
| York Spit | VA | DIAPHONE, air; blast 3 sec.; silent 17 sec. | N37 12.583 | W076 15.250 |