USA Primary Fog Signals Google Map - 1878

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94- Bell
19- Bell and Horn
19- Bell, Horn, and Gun
1- Horn
10- Siren
7- Trumpet
23- Whistle

Light Stations with Fog Signals

1 Battery Gladden AL A bell N30 40.050 W088 01.368
2 Alcatraz Island CA A bell. struck by machinery, four blows at intervals of 9 seconds, followed by a pause of 28 seconds. N37 49.578 W122 25.332
3 East Brother Island CA A 12-inch steam whistle; blasts of 8 and 4 seconds, with intervals of 24 seconds. N37 57.792 W122 26.016
4 Fort Point CA A bell, struck by machinery every 10 seconds. N37 48.648 W122 28.631
5 Humboldt Harbor CA A 12-inch steam fog-whistle, giving alternate blasts of 4 and 8 seconds, at intervals of 24 seconds. N40 46.146 W124 13.260
6 Mare Island CA A bell, struck by machinery every 10 seconds. N38 04.398 W122 15.216
7 Pigeon Point CA A 12-inch steam fog-whistle; blasts of 4 seconds duration, with alternate intervals of 7 and 45 seconds. N37 10.908 W122 23.640
8 Point Arena CA A 12-inch steam-whistle, giving blasts of 5 seconds, at intervals of 25 seconds. N38 57.276 W123 44.436
9 Point Bonita CA A 1st-class steam fog-siren at the extremity of Point Bonita; trumpet blasts of 4 seconds at intervals of 35 seconds. N37 48.936 W122 31.776
10 Point Conception CA A 12-inch steam fog-whistle, giving blasts of 8 seconds at intervals of 52 seconds. N34 26.982 W120 28.195
11 Point Reyes CA A 12-inch steam fog-whistle, giving blasts of 8 seconds, at intervals of 52 seconds. N37 59.730 W123 01.398
12 Yerba Buena Island CA A 10-inch steam fog-whistle; blasts of 4 seconds at intervals of 16 seconds. N37 48.438 W122 21.738
13 Bartlett Reef Lightship CT A bell and horn. N41 16.000 W072 08.000
14 Bridgeport Harbor CT A bell, struck by machinery every 15 seconds. N41 09.400 W073 10.800
15 Cornfield Point Lightship CT A bell and horn. N41 13.500 W072 23.600
16 Eel Grass Shoal Lightship CT A bell and horn. N41 18.333 W071 56.750
17 Faulkner's Island CT A bell, struck by machinery, at intervals of 15 seconds. N41 12.726 W072 39.216
18 Lynde Point CT A bell struck by machinery. N41 16.290 W072 20.592
19 New London Harbor CT A trumpet sounding 6 seconds at intervals of 14 seconds. N41 19.002 W072 05.388
20 Penfield Reef CT A bell, struck by machinery, 2 blows in quick succession, at intervals of 20 seconds. N41 07.026 W073 13.320
21 Southwest Ledge CT A bell, struck by machinery, at intervals of 15 seconds. N41 14.070 W072 54.720
22 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
23 Stratford Shoal CT A bell, struck by machinery, at intervals of 30 seconds, 3 blows in quick succession. N41 03.582 W073 06.078
24 Cape Henlopen Beacon DE A 1st-class steam fog-sire, give a blast of 6 seconds duration at intervals of 39 seconds. N38 47.567 W075 05.200
25 Delaware Breakwater West End DE A bell, struck by machinery, at intervals of 10 seconds. N38 47.955 W075 06.472
26 Fourteen Foot Bank Lightship DE A bell and horn. N39 03.000 W075 11.000
27 Tybee Island Knoll Lightship GA A bell and horn. N32 01.966 W080 51.033
28 Head of Passes LA A bell, struck by machinery, giving two blows and one blow, at alternate intervals of 10 and 20 seconds. N29 08.617 W089 14.133
29 Pass A L'Outre LA A 12-inch steam fog-whistle; blasts of 15 seconds at intervals of 45 seconds. N29 11.442 W089 02.484
30 Ship Shoal LA A bell N28 55.002 W091 04.002
31 Southwest Pass LA A 12-inch steam fog-whistle; temporarily discontinued. N28 58.314 W089 23.520
32 Southwest Reef LA A steam fog-whistle; blasts of 10 seconds at intervals of 30 seconds. N29 23.516 W091 30.233
33 Baker's Island (Northwestern) MA A bell [shared] N42 32.195 W070 47.159
34 Baker's Island (Southeastern) MA A bell [shared] N42 32.190 W070 47.154
35 Bishop and Clerks MA A bell N41 34.457 W070 15.007
36 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
37 Cape Ann MA A 10-inch steam-whistle [shared], in duplicate, giving each minute a blast of 8 and a blast of 4 seconds, with alternate intervals of 4 and 44 seconds. N42 38.208 W070 34.500
38 Cross Rip Lightship MA A bell and horn. N41 26.800 W070 17.500
39 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
40 Eastern Point MA A bell N42 34.818 W070 39.870
41 Handkerchief Shoal Lightship MA A bell and horn. N41 29.600 W070 03.700
42 Hen and Chickens Lightship MA A bell and horn. N41 27.000 W071 01.100
43 Highland MA A 1st class Daboll trumpet, blasts 8 seconds at intervals of 30 seconds. N42 02.350 W070 03.621
44 Minot's Ledge MA A bell, struck by machinery. N42 16.194 W070 45.564
45 Nantucket Shoals Lightship MA A bell and fog-horn. N40 56.500 W069 51.500
46 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
47 Pollock Rip Lightship MA A 12-inch steam fog-whistle, 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
48 Race Point MA A bell N42 03.738 W070 14.586
49 Stonehorse Shoal Lightship MA A bell and horn. N41 32.000 W069 59.800
50 Succonnesset Shoal Lightship MA A bell and horn. N41 32.000 W070 26.300
51 Thacher Island MA A 10-inch steam-whistle [shared], in duplicate, giving each minute a blast of 8 and a blast of 4 seconds, with alternate intervals of 4 and 44 seconds. N42 38.352 W070 34.488
52 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
53 Choptank River MD A bell, struck by machinery, at intervals of 10 seconds. N38 39.342 W076 11.070
54 Cove Point MD A bell, struck at intervals of 12 seconds. N38 23.178 W076 22.908
55 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
56 Fort Carroll MD A bell, struck by machinery, at intervals of 10 seconds. N39 12.876 W076 31.194
57 Janes Island MD A bell, struck by machinery, at intervals of 15 seconds. N37 57.804 W075 55.104
58 Lazaretto Point MD A bell, struck by machinery, at intervals of 10 seconds. N39 15.767 W076 34.300
59 Love Point MD A bell, struck by machinery, at intervals of 8 seconds. N39 03.426 W076 16.992
60 Lower Cedar Point MD A bell, struck by machinery, at intervals of 12 seconds. N38 20.406 W076 59.616
61 Mathias Point Shoal MD A bell, struck by machinery, two strokes in quick succession, alternating with a single stroke at 30 seconds interval. N38 24.312 W077 02.568
62 Point Lookout MD A bell, struck by machinery, at intervals of 10 seconds. N38 02.328 W076 19.320
63 Poole's Island MD A bell, struck by machinery, at intervals of 12 seconds. N39 17.436 W076 15.990
64 Sandy Point MD A bell, struck by machinery, at intervals of 10 seconds. N39 00.732 W076 23.928
65 Seven Foot Knoll MD A bell, struck by machinery, at intervals of 12 seconds. N39 09.318 W076 24.540
66 Solomons Lump MD A bell, struck by machinery, two strokes in quick succession, alternating with a single stroke at 30 seconds interval. N38 02.880 W076 00.900
67 Somers Cove MD A bell, struck by machinery, at intervals of 15 seconds. N37 57.990 W075 52.650
68 Thomas Point Shoal MD A bell, struck by machinery, three strokes in quick succession at an interval of 30 seconds. N38 53.940 W076 26.166
69 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
70 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
71 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
72 Egg Rock ME A bell, struck by hand. N44 21.246 W068 08.286
73 Libby Island ME A bell struck by machinery. N44 34.092 W067 22.038
74 Little River ME Bell struck by machinery twice a minute. N44 39.054 W067 11.538
75 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
76 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
77 Monhegan Island ME A bell struck by hand. N43 45.888 W069 18.948
78 Mount Desert Rock ME A bell, struck by hand N43 58.110 W068 07.692
79 Narraguagus ME A bell, struck by hand. N44 27.360 W067 49.872
80 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
81 Pond Island ME A bell struck by machinery. N43 44.400 W069 46.218
82 Portland Head ME A bell struck by machinery. N43 37.386 W070 12.474
83 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
84 West Quoddy Head ME A 10-inch fog-whistle, in duplicate, giving blasts of 8 seconds at intervals of 52 seconds.. N44 48.912 W066 57.030
85 Whaleback Ledge ME A Daboll's trumpet, giving blasts of 8 seconds duration, at intervals of 22 seconds. N43 03.528 W070 41.778
86 Whitehead ME A 10-inch fog-whistle, in duplicate, giving blasts of 8 seconds at intervals of 52 seconds.. N43 58.722 W069 07.458
87 Horn Island MS A bell, struck by machinery, one blow at intervals of 15 seconds. N30 13.400 W088 29.200
88 Merrill's Shell Bank MS A bell and horn N30 14.467 W089 14.933
89 Brant Island Shoal NC A bell, struck by machinery, at intervals of 20 seconds. N35 08.150 W076 17.583
90 Croatan Shoal NC A bell, struck by machinery, at intervals of 15 seconds. N35 56.706 W075 46.674
91 Frying Pan Shoal Lightship NC A bell and horn. N33 35.000 W077 50.000
92 Long Shoal NC A bell, struck by machinery, at alternate intervals of 5 and 30 seconds. N35 33.558 W075 43.194
93 Neuse River NC A bell, struck by machinery, at intervals of 15 seconds. N35 05.346 W076 32.916
94 North River NC A bell, struck by machinery, at intervals of 5 seconds. N36 09.433 W075 53.783
95 Northwest Point Royal Shoal NC A bell, struck by machinery, at intervals of 15 seconds. N35 09.283 W076 09.617
96 Oliver Reef NC A bell, struck by machinery, at intervals of 8 seconds. N35 15.804 W075 45.618
97 Roanoke Marshes NC A bell, struck by machinery, at intervals of 12 seconds. N35 48.667 W075 42.045
98 Ambrose Channel Lightship NJ A fog-bell and a Thier's automatic fog-horn. N40 26.900 W073 52.000
99 Bergen Point NJ A bell, struck by machinery every 15 seconds. N40 38.583 W074 08.900
100 Brandywine Shoal NJ A bell, struck by machinery two blows, and then a pause for 30 seconds. N38 59.172 W075 06.792
101 Cross Ledge NJ A bell, struck by machinery, at intervals of 10 seconds. N39 09.660 W075 14.253
102 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
103 Passaic NJ Bell, struck by machinery one blow every 20 seconds. N40 41.767 W074 07.633
104 Sandy Hook NJ Fog bell struck by machinery 7 times a minute. N40 27.702 W074 00.120
105 Sandy Hook East Beacon NJ A steam siren sounding 6 seconds at intervals of 40 seconds. N40 28.250 W074 00.100
106 Scotland Lightship NJ A fog-bell. N40 26.400 W073 55.900
107 Ship John Shoal NJ A bell, struck by machinery 3 blows in quick succession, at intervals of 45 seconds. N39 18.318 W075 22.602
108 Eaton's Neck NY A 2d-order steam for-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
109 Execution Rocks NY A 3d-order fog-trumpet, giving blasts of 7 seconds at intervals of 15 seconds. N40 52.686 W073 44.262
110 Little Gull Island NY A steam siren sounding 5 seconds at intervals of 25 seconds. N41 12.384 W072 06.408
111 Montauk Point NY A 1st-class Daboll trumpet, operated by hot-air engine, giving blast of 12 seconds at intervals of 50 seconds. N41 04.260 W071 51.426
112 North Dumpling NY A bell, struck by machinery, at intervals of 15 seconds. N41 17.274 W072 01.158
113 Race Rock NY A bell, struck by machinery, 2 blows in quick succession every 20 seconds. N41 14.604 W072 02.820
114 Robbins Reef NY A bell, struck by machinery, at intervals of 15 seconds. N40 39.444 W074 03.924
115 Stepping Stones NY A bell, struck by machinery in quick succession, at intervals of 20 seconds. N40 49.458 W073 46.476
116 Stony Point (Hudson River) NY A bell, struck by machinery, at intervals of 15 seconds. N41 14.478 W073 58.302
117 Throgs Neck NY A bell struck by machinery at intervals of 10 seconds. N40 48.359 W073 47.560
118 Point Adams OR A 12-inch steam fog-whistle, giving a blast of 7 seconds, interval of 14 seconds, then a blast of 4 seconds, followed by an interval of 35 seconds. N46 11.533 W123 58.617
119 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
120 Beavertail RI A 1st-order Daboll trumpet, operated by a 24-inch hot-air engine, giving blasts every 6 seconds each, at intervals of 10 and 50 seconds. N41 26.964 W071 23.970
121 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
122 Brenton Reef Lightship RI A bell and horn. N41 25.600 W071 22.600
123 Conimicut RI A bell, struck by machinery, at intervals of 12 seconds. N41 43.020 W071 20.706
124 Dutch Island RI A fog-bell, struck by machinery, at intervals of 15 seconds. N41 29.802 W071 24.258
125 Mussel Shoal RI A fog-bell, struck by machinery, one blow every 20 seconds. N41 38.178 W071 15.600
126 Newport Harbor RI A fog-bell, struck by machinery, at intervals of 15 seconds. N41 29.598 W071 19.626
127 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
128 Charleston Lightship SC A bell and horn. N32 44.000 W079 43.700
129 Martins Industry Lightship SC A bell and horn. N32 05.500 W080 35.200
130 Clopper's Bar TX A bell, struck by machinery, one stroke every 30 seconds. N29 41.667 W094 56.500
131 Galveston Lightship TX A bell and horn. N29 20.800 W094 43.500
132 Half Moon Reef TX A horn, sounded at intervals of 5 minutes. N28 33.033 W096 15.316
133 Halfmoon Shoal TX A bell, struck by machinery, one stroke every 20 seconds. N29 24.067 W094 50.983
134 Redfish Bar TX A bell, struck by machinery, two strokes in succession, with intervals of 30 seconds. N29 30.800 W094 52.150
135 Bowlers Rock VA A bell, struck by machinery, at intervals of 10 seconds. N37 49.470 W076 43.962
136 Cherrystone Bar VA A bell, struck by machinery two strokes in quick succession, at intervals of 30 seconds. N37 15.384 W076 01.944
137 Craney Island VA A bell, struck by machinery, at intervals of 12 seconds. N36 53.520 W076 20.220
138 Deep Water Shoals VA A bell, struck by machinery, at intervals of 15 seconds. N37 08.934 W076 38.208
139 Jordan Point VA A bell, struck by machinery, at intervals of 10 seconds. N37 18.767 W077 13.417
140 Lamberts Point VA A bell, struck by machinery, at intervals of 10 seconds. N36 52.500 W076 19.860
141 Old Point Comfort VA A bell, struck by machinery, at intervals of 10 seconds. N37 00.108 W076 18.390
142 Point of Shoals VA A bell, struck by machinery, at alternate intervals of 5 seconds and 20 seconds. N37 04.098 W076 39.180
143 Smith Point VA A bell, struck at intervals of 15 seconds. N37 53.675 W076 11.700
144 Stingray Point VA A bell, struck by machinery, at alternate intervals of 5 seconds and 30 seconds. N37 33.700 W076 16.383
145 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
146 Tue Marshes VA A bell, struck by machinery, two strokes in quick succession, alternating with a single stroke at intervals of 30 seconds. N37 14.136 W076 23.148
147 White Shoal VA A bell, struck by machinery, at intervals of 10 seconds. N37 01.308 W076 31.650
148 Windmill Point VA A bell, struck by machinery, at intervals of 10 seconds. N37 35.808 W076 14.154
149 Winter Quarter Shoal Lightship VA A bell and horn. N37 57.000 W075 05.500
150 Wolf Trap VA A bell, struck by machinery at intervals of 15 seconds. N37 23.267 W076 11.555
151 York Spit VA A bell, struck by machinery, at intervals of 10 seconds. N37 12.583 W076 15.250
152 Cape Disappointment WA A bell, struck by machinery every 10 seconds. N46 16.548 W124 03.132
153 Cape Flattery WA A 12-inch steam fog-whistle, giving blasts of 8 seconds at intervals of 52 seconds. N48 23.496 W124 44.196
154 New Dungeness WA A 12-inch steam fog-whistle, giving blasts of 6 and 3 seconds at alternate intervals of 12 and 39 seconds. N48 10.902 W123 06.612