Lighthouses and Lightships With Fog Signals for North Atlantic (1905)
| 3 | - Bell | |
| 6 | - Bell or Horn | |
| 18 | - Whistle |
Lighthouses with Audible Fog Signals
| Bartlett Reef Lightship | CT | Bell or horn. | N41 16.000 | W072 08.000 |
| Cornfield Point Lightship | CT | 12-inch steam whistle; blasts 3 sec., alternate silent intervals 1 and 30 sec. | N41 12.900 | W072 22.200 |
| Ram Island Reef Lightship | CT | Bell. | N41 18.100 | W071 58.500 |
| Fenwick Island Shoal Lightship | DE | 12-inch steam whistle; blasts 8 sec., alternate silent intervals of 32 and 72 sec. | N38 26.000 | W074 50.800 |
| Overfalls Lightship | DE | 12-inch steam chime whistle; blasts 3 sec., silent intervals 27 sec. | N38 48.000 | W075 01.400 |
| Boston Lightship | MA | 12-inch steam chime whistle; blasts 5 sec., silent intervals 55 sec. | N42 20.000 | W070 45.000 |
| Cross Rip Lightship | MA | Bell or horn. | N41 26.800 | W070 17.500 |
| Great Round Shoal Lightship | MA | 10-inch compressed-air whistle; blasts 5 sec., silent intervals 55 sec. | N41 24.000 | W069 55.000 |
| Handkerchief Shoal Lightship | MA | Bell or horn. | N41 29.200 | W070 04.000 |
| Hen and Chickens Lightship | MA | Bell or horn. | N41 27.000 | W071 01.100 |
| Nantucket Shoals Lightship | MA | 12-inch, steam, chime whistle; blasts 5 sec.; silent intervals 55 sec. | N40 37.000 | W069 37.100 |
| Pollock Rip Lightship | MA | 12-inch steam chime whistle; blasts 5 sec., silent intervals 25 sec. | N41 32.000 | W069 55.000 |
| Pollock Rip Slue Lightship | MA | 12-inch steam chime whistle; blasts, 3 sec.; silent intervals, 12 sec. | N41 36.667 | W069 53.783 |
| Stonehorse Shoal Lightship | MA | Bell or horn. | N41 32.700 | W069 59.300 |
| Succonnesset Shoal Lightship | MA | Bell or horn. | N41 32.000 | W070 26.300 |
| Vineyard Sound Lightship | MA | 12-inch steam whistle; blasts 6 sec., silent intervals 45 sec. | N41 22.600 | W071 00.200 |
| Portland Lightship | ME | 12-inch steam chime whistle; blasts, 3 sec.; silent intervals, 27 sec. | N43 31.600 | W070 05.500 |
| Ambrose Channel Lightship | NJ | 12-inch steam whistle; blasts 3 sec., silent intervals 12 sec. | N40 28.000 | W073 50.000 |
| Five Fathom Bank Lightship | NJ | 12-inch steam chime whistle; blasts 4 sec., silent intervals 56 sec. | N38 47.300 | W074 34.600 |
| Northeast End Lightship | NJ | 12-inch steam whistle; blasts 4 sec., alternate silent intervals of 5 and 107 sec. | N38 57.800 | W074 29.600 |
| Scotland Lightship | NJ | Bell struck by hand. | N40 26.800 | W073 55.300 |
| Fire Island Lightship | NY | 12-inch steam chime whistle; blasts 3 sec., alternate silent intervals 4 and 20 sec. | N40 28.700 | W073 11.400 |
| Brenton Reef Lightship | RI | 12-inch and 6-inch steam whistles; blasts, low tone 3 sec., higher tone 3 sec., silent intervals 24 sec. | N41 25.600 | W071 22.600 |
| Bush Bluff Lightship | VA | Bell rung by hand. | N36 54.600 | W076 20.300 |
| Chesapeake Lightship | VA | 12-inch steam whistle; blasts 5 sec., silent intervals 15 sec. | N37 05.500 | W075 43.000 |
| Tail of the Horseshoe Lightship | VA | 12-inch steam whistle; blasts 3 sec., silent intervals 27 sec. | N36 58.600 | W076 02.500 |
| Winter Quarter Shoal Lightship | VA | 8-inch, compressed-air, chime whistle; blasts 3 sec., alternate silent intervals of 59 sec. and 60 sec. | N37 56.500 | W075 04.100 |