USA Primary Fog Signals Google Map - 1906

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14- Bell
7- Siren
14- Trumpet
20- Whistle

Light Stations with Fog Signals

1 Cape Sarichef AK First-class, compressed-air, automatic siren; blasts 3 sec., alternate silent intervals of 5 and 49 sec. N54 35.950 W164 55.817
2 Five Finger Islands AK Daboll trumpet; blasts 5 sec., silent intervals 25 sec. N57 16.170 W133 37.866
3 Guard Island AK Bell struck by machinery every 20 sec. N55 26.760 W131 52.872
4 Lincoln Rock AK Daboll trumpet; blasts 3 sec., silent intervals 27 sec. N56 03.500 W132 41.382
5 Mary Island AK Daboll trumpet; blasts 3 sec., alternate silent intervals of 3 and 21 sec. N55 05.910 W131 11.016
6 Scotch Cap AK 10-inch compressed-air whistle; blasts 5 sec., silent intervals 55 sec. N54 23.648 W164 44.702
7 Sentinel Island AK Daboll trumpet; blasts 5 sec., silent intervals 25 sec. N58 32.784 W134 55.386
8 Tree Point AK First-class, compressed-air, automatic siren; blasts 3 sec., silent intervals 27 sec. N54 48.138 W130 56.034
9 Alcatraz Island CA Bell struck by machinery five blows, at intervals of 10 sec., followed by a silent interval of 25 sec. N37 49.578 W122 25.332
10 Angel Island CA Bell struck by machinery a double blow every 15 sec. N37 51.372 W122 26.554
11 A�o Nuevo Island CA 12-inch steam whistle; blasts 10 sec., silent intervals 55 sec. N37 06.504 W122 20.208
12 Ballast Point CA Bell struck by machinery every 10 sec. N32 41.175 W117 14.000
13 East Brother Island CA 12-inch steam whistle; alternate blasts of 4 and 6 sec., silent intervals 24 sec. N37 57.792 W122 26.016
14 Farallon Island CA 1st-class steam siren; blasts 5 sec., silent intervals 45 sec. N37 41.946 W123 00.108
15 Fort Point CA 2d-class Daboll trumpet; blasts 2 sec., silent intervals 13 sec. N37 48.648 W122 28.631
16 Lime Point CA 12-inch steam whistle; blasts 10 sec., silent intervals 30 sec. The whistle will sound 5 or 6 short, sharp blasts and a blast of 15 sec. to warn the life-saving crew when vessels are in distress. N37 49.530 W122 28.716
17 Mare Island CA Bell struck by machinery every 10 sec. N38 04.398 W122 15.216
18 Mile Rocks CA 10-inch compressed-air whistle; blasts 3 sec., silent intervals 27 sec. N37 47.562 W122 30.612
19 Oakland Harbor CA 3,500-pound bell struck by machinery every 5 sec. N37 48.013 W122 19.807
20 Pigeon Point CA 10-inch or 12-inch steam whistle; blasts 4 sec., alternate silent intervals of 7 and 45 sec. N37 10.908 W122 23.640
21 Point Arena CA 10-inch or 12-inch steam whistle; blasts 5 sec., silent intervals 25 sec. N38 57.276 W123 44.436
22 Point Arguello CA 12-inch compressed-air whistle; blasts 2 sec., silent intervals 28 sec. N34 34.626 W120 38.838
23 Point Bonita CA 1st-class steam siren; blasts 5 sec., silent intervals 35 sec. The siren will sound 5 or 6 short, sharp blasts and a blast of 15 sec. to warn the life-saving crew when vessels are in distress. N37 48.936 W122 31.776
24 Point Conception CA 12-inch steam whistle; blasts 8 sec., silent intervals 52 sec. N34 26.922 W120 28.242
25 Point Montara CA 12-inch steam whistle; blasts 5 sec., silent intervals 25 sec. N37 32.190 W122 31.158
26 Point Reyes CA 12-inch steam whistle; blasts 5 sec., silent intervals 70 sec. The whistle will sound 5 or 6 short, sharp blasts and a blast of 15 sec. to warn the life-saving crew when vessels are in distress. N37 59.730 W123 01.398
27 Point Sur CA 12-inch steam whistle; blasts 5 sec., silent intervals 35 sec. N36 18.378 W121 54.090
28 Roe Island CA Bell struck by machinery every 10 sec. N38 04.056 W122 01.700
29 San Luis Obispo CA 10-inch steam whistle; blasts 5 sec., silent intervals 35 sec. N35 09.624 W120 45.666
30 Southampton Shoals CA 3,500-pound bell struck by machinery a double blow at intervals of 5 sec. and 15 sec. N37 52.900 W122 24.000
31 St. George Reef CA 12-inch steam whistle; blasts 5 sec., silent intervals 75 sec. N41 50.220 W124 22.518
32 Table Bluff CA 10-inch or 12-inch steam whistle; alternate blasts of 4 and 8 sec., silent intervals 24 sec. The whistle will sound 5 or 6 short, sharp blasts and a blast of 15 sec. to warn the life-saving crew when vessels are in distress. N40 41.705 W124 16.532
33 Trinidad Head CA 4,000-pound bell struck by machinery every 10 sec. N41 03.125 W124 09.090
34 Yerba Buena Island CA 10-inch steam whistle; blasts 4 sec., silent intervals 16 sec. N37 48.438 W122 21.738
35 Cape Arago OR Daboll trumpet; blasts 5 sec., alternate silent intervals 8 and 42 sec. N43 20.619 W124 22.613
36 Coquille River OR Daboll trumpet; blasts 5 sec., silent intervals 25 sec. N43 07.434 W124 25.458
37 Desdemona Sands OR Daboll trumpet; blasts 2 sec., alternate silent intervals 3 and 23 sec. N46 13.542 W123 57.306
38 Tillamook OR First-class steam siren; blasts 5 sec., silent intervals 90 sec. N45 56.232 W124 01.146
39 Warrior Rock OR Bell struck by machinery every 15 sec. N45 50.916 W122 47.304
40 Willamette River OR Bell struck by machinery every 10 sec. N45 39.033 W122 45.883
41 Browns Point WA Bell struck by machinery every 20 sec. N47 18.354 W122 26.658
42 Cape Flattery WA 12-inch steam whistle; blasts 8 sec., silent intervals 52 sec. N48 23.496 W124 44.196
43 Destruction Island WA 1st-class steam siren; blasts 5 sec., silent intervals 55 sec. N47 40.470 W124 29.220
44 Ediz Hook WA Bell struck by machinery every 15 sec. N48 08.400 W123 24.168
45 Grays Harbor WA 1st-class steam siren; blasts 5 sec., alternate silent intervals of 5 and 75 sec. N46 53.292 W124 07.014
46 Marrowstone Point WA Bell struck by machinery every 15 sec. N48 06.096 W122 41.268
47 New Dungeness WA 12-inch steam whistle; blast 6 sec., silent interval 12 sec.; blast 3 sec., silent interval 39 sec. N48 10.902 W123 06.612
48 Patos Island WA Daboll trumpet; blasts 2 sec., silent intervals 18 sec. N48 47.340 W122 58.266
49 Point No Point WA Daboll trumpet; blasts 3 sec., alternate silent intervals 3 and 21 sec. N47 54.733 W122 31.608
50 Point Robinson WA 12-inch steam whistle; blasts 6 sec., silent intervals 54 sec. N47 23.286 W122 22.464
51 Point Wilson WA 12-inch steam whistle; blasts 8 sec., silent intervals 52 sec. N48 08.646 W122 45.318
52 Semiahmoo Harbor WA Daboll trumpet; blasts 3 sec., alternate silent intervals of 4 and 20 sec. N48 59.556 W122 46.932
53 Slip Point WA Daboll trumpet; blasts 2 sec., silent intervals 18 sec. N48 15.870 W124 15.060
54 Turn Point WA Daboll trumpet; blasts 3 sec., silent intervals 27 sec. N48 41.322 W123 14.232
55 West Point WA Daboll trumpet; blasts 5 sec., silent intervals 25 sec. N47 39.720 W122 26.142