USA Primary Fog Signals Google Map - 1895

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9- Bell
4- Siren
3- Trumpet
15- Whistle

Light Stations with Fog Signals

1 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
2 A�o Nuevo Island CA 12-inch steam whistle; blasts 10 sec., silent intervals 55 sec. N37 06.504 W122 20.208
3 Ballast Point CA Bell struck by machinery every 10 sec. N32 41.175 W117 14.000
4 East Brother Island CA 12-inch steam whistle; alternate blasts of 4 and 8 sec., silent intervals 24 sec. N37 57.792 W122 26.016
5 Farallon Island CA 1st-class steam siren; blasts 5 sec., silent intervals 45 sec. N37 41.946 W123 00.108
6 Fort Point CA Bell struck by machinery every 10 sec. N37 48.648 W122 28.631
7 Mare Island CA Bell struck by machinery every 10 sec. N38 04.398 W122 15.216
8 Oakland Harbor CA Bell struck by machinery every 5 sec. N37 48.013 W122 19.807
9 Pigeon Point CA 12-inch steam whistle; blasts 4 sec., alternate silent intervals of 7 and 45 sec. N37 10.908 W122 23.640
10 Point Arena CA 10-inch or 12-inch steam whistle; blasts 5 sec., silent intervals 25 sec. N38 57.276 W123 44.436
11 Point Bonita CA 1st-class steam siren; blasts 4 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
12 Point Conception CA 12-inch steam whistle; blasts 8 sec., silent intervals 52 sec. N34 26.922 W120 28.242
13 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
14 Point Sur CA 12-inch steam whistle; blasts 5 sec., silent intervals 35 sec. N36 18.378 W121 54.090
15 Roe Island CA Bell struck by machinery every 10 sec. N38 04.056 W122 01.700
16 San Luis Obispo CA 10-inch steam whistle; blasts 5 sec., silent intervals 35 sec. N35 09.624 W120 45.666
17 St. George Reef CA 12-inch steam whistle; blasts 5 sec., silent intervals 75 sec. N41 50.220 W124 22.518
18 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
19 Yerba Buena Island CA 10-inch steam whistle; blasts 4 sec., silent intervals 16 sec. N37 48.438 W122 21.738
20 Tillamook OR First-class steam siren; blasts 5 sec., silent intervals 90 sec. N45 56.232 W124 01.146
21 Warrior Rock OR Bell struck by machinery every 15 sec. N45 50.916 W122 47.304
22 Cape Flattery WA 12-inch steam whistle; blasts 8 sec., silent intervals 52 sec. N48 23.496 W124 44.196
23 Destruction Island WA 1st-class steam siren; blasts 5 sec., silent intervals 55 sec. N47 40.470 W124 29.220
24 Ediz Hook WA Bell struck by machinery every 15 sec. N48 08.400 W123 24.168
25 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
26 Patos Island WA Daboll trumpet; blasts 2 sec., silent intervals 18 sec. N48 47.340 W122 58.266
27 Point No Point WA Bell struck by machinery every 10 sec. N47 54.733 W122 31.608
28 Point Robinson WA 12-inch steam whistle; blasts 6 sec., silent intervals 54 sec. N47 23.286 W122 22.464
29 Point Wilson WA 12-inch steam whistle; blasts 8 sec., silent intervals 52 sec. N48 08.646 W122 45.318
30 Turn Point WA Daboll trumpet; blasts 3 sec., silent intervals 27 sec. N48 41.322 W123 14.232
31 West Point WA Daboll trumpet; blasts 5 sec., silent intervals 25 sec. N47 39.720 W122 26.142