USA Primary Fog Signals Google Map - 1932

6- Bell
21- Diaphone
15- Horn
27- Siren
2- Tyfon
4- Whistle

Light Stations with Fog Signals

1 Cape Decision AK TYFON, air: Gp. 2 blasts every 30 sec., blast 3 sec., silent 3 sec., blast 3 sec., silent 21 sec. N56 00.084 W134 08.214
2 Cape Hinchinbrook AK DIAPHONE, air: Blast 5 sec., silent 40 sec. N60 14.250 W146 38.814
3 Cape Sarichef AK SIREN, 1st-cl. air; gp. 2 blasts every 60 sec.: Blast 3 sec., silent 5 sec., blast 3 sec., silent 49 sec. N54 35.950 W164 55.817
4 Cape Spencer AK DIAPHONE; air: Blast 4 sec., silent 26 sec. N58 11.904 W136 38.400
5 Cape St. Elias AK SIREN, air; gp. 2 blasts every 60 sec.: Blast 4 sec., silent 4 sec. blast 4 sec., silent 48 sec. N59 47.904 W144 35.934
6 Eldred Rock AK SIREN, 1st-cl. air; blast 5 sec., silent 40 sec. Horn points east. N58 58.302 W135 13.260
7 Five Finger Islands AK HORN, 3d-cl. reed: Blast 5 sec., silent 25 sec. Horn points east. N57 16.170 W133 37.866
8 Guard Island AK DIAPHONE; air: Blast 5 sec., silent 25 sec. N55 26.760 W131 52.872
9 Mary Island AK HORN, 3d-cl. reed; gp. 2 blasts every 30 sec.; blast 3 sec., silent 3 sec., blast 3 sec., silent 21 sec. N55 05.910 W131 11.016
10 Point Retreat AK DIAPHONE, air; gp. 2 blasts every 30 sec.: Blast 3 sec., silent 3 sec., blast 3 sec., silent 21 sec. N58 24.660 W134 57.294
11 Scotch Cap AK DIAPHONE, air: Blast 4 sec., silent 56 sec. N54 23.648 W164 44.702
12 Sentinel Island AK DIAPHONE, air; blast 5 sec., silent 25 sec. N58 32.784 W134 55.386
13 Tree Point AK SIREN, 1st-cl. air: Blast 3 sec., silent 27 sec. N54 48.138 W130 56.034
14 Alcatraz Island CA SIREN, electric; gp. 2 blasts every 30 sec.: Blast 4 sec., silent 4 sec. blast 4 sec., silent 18 sec. N37 49.572 W122 25.332
15 Anacapa Island CA DIAPHONE, air; blast 3 sec., silent 27 sec. N34 00.954 W119 21.570
16 Angel Island CA BELL; gp. 2 strokes every 15 sec. N37 51.372 W122 26.554
17 A�o Nuevo Island CA SIREN, 1st-cl. air; gp. 3 blasts every 60 sec.; 3 blasts 2 sec. each, 2 silences 1 sec each, 1 silence 52 sec. N37 06.504 W122 20.208
18 Ballast Point CA DIAPHONE, air: Blast 1.5 sec., silent 13.5 sec. N32 41.175 W117 14.000
19 East Brother Island CA WHISTLE, 12-inch steam; 2 unequal blasts every 58 sec.: Blast 4 sec., silent 24 sec., blast 6 sec., silent 24 sec. N37 57.792 W122 26.016
20 Farallon Island CA DIAPHONE, air; 1 blast and gp. 2 blasts "12" every 60 sec.: Blast 2 sec., silent 4 sec., blast 2 sec., silent 1 sec., blast 2 sec., silent 49 sec. N37 41.946 W123 00.108
21 Fort Point CA DIAPHONE, air: Blast 2 sec., silent 18 sec. N37 48.648 W122 28.631
22 Lime Point CA WHISTLE, 12-inch steam: Blast 10 sec., silent 30 sec. Whistle sounds 5 or 6 short blasts and blast of 15 sec. to warn coast-guard when vessels are in distress. N37 49.530 W122 28.716
23 Los Angeles Harbor CA SIREN, 1st-cl. air; gp. 2 blasts every 30 sec. Blast 2 sec., silent 2 sec. blast 2 sec., silent 24 sec. N33 42.516 W118 15.090
24 Mile Rocks CA DIAPHONE, air: Blast 3 sec., silent 27 sec. Diaphone sounds 5 or 6 short blasts and blast of 15 sec. to warn coast-guard when vessels are in distress. N37 47.562 W122 30.612
25 Oakland Harbor CA DIAPHONE, air: Blast 2 sec., silent 13 sec. N37 48.013 W122 19.807
26 Piedras Blancas CA SIREN, 1st-cl. air: Blast 3 sec., silent 17 sec. N35 39.942 W121 17.064
27 Pigeon Point CA SIREN, 1st-cl. air; gp. 2 blasts every 30 sec.: Blast 2 sec., silent 6 sec. blast 2 sec., silent 20 sec. N37 10.908 W122 23.640
28 Point Arena CA DIAPHONE, air; gp. 2 blasts every 60 sec.: Blast 1 sec., silent 1 sec., blast 3 sec., silent 55 sec. N38 57.276 W123 44.436
29 Point Arguello CA SIREN, 1st-cl. air: Blast 2 sec., silent 28 sec. N34 34.626 W120 38.838
30 Point Blunt CA SIREN, electric: Blast 2 sec., silent 13 sec. N37 51.192 W122 25.146
31 Point Bonita CA DIAPHONE, air: gp. 2 unequal blasts every 30 sec. Blast 1 sec., silent 2 sec., blast 2 sec., silent 25 sec. N37 48.936 W122 31.776
32 Point Cabrillo CA SIREN, 1st-cl. air; gp. 2 blasts every 30 sec.: Blast 2 sec., silent 2 sec. blast 2 sec., silent 24 sec. N39 20.922 W123 49.572
33 Point Conception CA DIAPHONE, air: gp. 2 blasts every 60 sec. Blast 3 sec., silent 4 sec., blast 3 sec., silent 50 sec. N34 26.922 W120 28.242
34 Point Diablo CA SIREN, electric; gp. 2 blasts every 30 sec.: Blast 4 sec., silent 2 sec. blast 4 sec., silent 20 sec. N37 49.207 W122 29.970
35 Point Hueneme CA SIREN, 1st-cl. air: Blast 4 sec., silent 26 sec. N34 08.750 W119 12.820
36 Point Loma (New) CA SIREN, 1st-cl. air: Blast 3 sec., 17 sec. N32 39.900 W117 14.562
37 Point Montara CA DIAPHONE, air; gp. 2 blasts every 30 sec.: Blast 3 sec., silent 1 sec., blast 1 sec., silent 25 sec. N37 32.190 W122 31.158
38 Point Pi�os CA SIREN, electric; gp. 2 blasts every 30 sec.: Blast 3 sec., silent 2 sec. blast 3 sec., silent 22 sec. N36 38.004 W121 56.022
39 Point Reyes CA DIAPHONE, air: Blast 5 sec., silent 40 sec. Diaphone sounds 5 or 6 short blasts and blast of 15 sec. to warn coast-guard when vessels are in distress. N37 59.730 W123 01.398
40 Point Stuart CA SIREN, electric; gp. 2 blasts every 20 sec.: Blast 2 sec., silent 2 sec. blast 2 sec., silent 14 sec. N37 51.658 W122 26.737
41 Point Sur CA SIREN, 1st-cl. air: Blast 5 sec., silent 35 sec. N36 18.378 W121 54.090
42 Point Vicente CA WHISTLE, air, chime; gp. 2 blasts every 60 sec. Blast 1 sec., silent 2 sec., blast 4 sec., silent 53 sec. N33 44.514 W118 24.648
43 Punta Gorda CA SIREN, 1st-cl. air: Blast 2 sec., silent 13 sec. N40 14.964 W124 21.012
44 Roe Island CA BELL; 1 stroke every 10 sec. N38 04.056 W122 01.700
45 San Luis Obispo CA SIREN, 1st-cl. air: Blast 4 sec., silent 36 sec. N35 09.624 W120 45.666
46 Southampton Shoals CA DIAPHONE, air; gp. 2 blasts every 30 sec.: Blast 2 sec., silent 6 sec., blast 2 sec., silent 20 sec. N37 52.900 W122 24.000
47 St. George Reef CA SIREN, 1st-cl. air; gp. 2 blasts every 30 sec.: Blast 2 sec., silent 3 sec. blast 2 sec., silent 23 sec. N41 50.220 W124 22.518
48 Table Bluff CA SIREN, 1st-cl. air: Blast 4 sec., silent 26 sec. Siren sounds 5 or 6 short blasts and blast of 15 sec. to warn coast guard when vessels are in distress. N40 41.705 W124 16.532
49 Trinidad Head CA BELL; 1 stroke every 10 sec. N41 03.125 W124 09.090
50 Yerba Buena Island CA WHISTLE, 10-inch steam: Blast 4 sec., silent 16 sec. N37 48.438 W122 21.738
51 Cape Arago OR SIREN, 1st-cl. air; gp. 2 unequal blasts every 60 sec. Blast 5 sec., silent 12 sec. blast 3 sec., silent 40 sec. N43 20.619 W124 22.613
52 Coquille River OR HORN, 3d-cl. reed: Blast 5 sec., silent 25 sec. N43 07.434 W124 25.458
53 Desdemona Sands OR HORN, 3d-cl. reed; gp. 2 blasts every 30 sec.: Blast 2 sec., silent 3 sec., blast 2 sec., silent 23 sec. N46 13.542 W123 57.306
54 Tillamook OR SIREN, 1st-cl. air: Blast 5 sec., silent 40 sec. N45 56.232 W124 01.146
55 Warrior Rock OR BELL; 1 stroke every 15 sec. N45 50.916 W122 47.304
56 Willamette River OR BELL; 1 stroke every 10 sec. N45 39.033 W122 45.883
57 Alki Point WA HORN, 3d-cl. reed; gp. 2 blasts every 30 sec.: Blast 3 sec., silent 6 sec., blast 3 sec., silent 18 sec. N47 34.578 W122 25.236
58 Browns Point WA BELL; 1 stroke every 10 sec. N47 18.354 W122 26.658
59 Burrows Island WA HORN, 3d-cl. reed; gp. 2 blasts every 40 sec.: Blast 4 sec., silent 7 sec., blast 4 sec., silent 25 sec. N48 28.680 W122 42.810
60 Cape Flattery WA DIAPHONE, air; gp. 2 unequal blasts every 60 sec.: Blast 5 sec., silent 15 sec., blast 3 sec., silent 37 sec. N48 23.496 W124 44.196
61 Destruction Island WA SIREN, 1st-cl. air: Blast 2 sec., silent 13 sec. N47 40.470 W124 29.220
62 Ediz Hook WA SIREN, 1st-cl. air: Blast 5 sec., silent 40 sec. N48 08.400 W123 24.200
63 Grays Harbor WA DIAPHONE, air; gp. 3 blasts every 60 sec.: Blast 2 sec., silent 1 sec., blast 2 sec., silent 25 sec, blast 2 sec., silent 28 sec. N46 53.292 W124 07.014
64 Lime Kiln WA HORN, 3d-cl. reed; gp. 2 blasts every 20 sec.: Blast 2 sec., silent 4 sec., blast 2 sec., silent 12 sec. N48 30.948 W123 09.156
65 Marrowstone Point WA HORN, 3d-cl. reed; gp. 3 blasts every 30 sec.: 3 blasts 2 sec. each, 2 silences 2 sec. each, 1 silence 20 sec. N48 06.096 W122 41.268
66 Mukilteo WA HORN, 3d-cl. reed: Blast 4 sec., silent 16 sec. N47 56.922 W122 18.378
67 New Dungeness WA SIREN, 1st-cl. air: Blast 6 sec., silent 12 sec., blast 3 sec., silent 39 sec. N48 10.902 W123 06.612
68 Patos Island WA HORN, 3d-cl. reed: Blast 4 sec., silent 16 sec. N48 47.340 W122 58.266
69 Point No Point WA HORN, 3d-cl. reed; gp. 2 blasts every 30 sec.: Blast 3 sec., silent 3 sec., blast 3 sec., silent 21 sec. N47 54.733 W122 31.608
70 Point Robinson WA HORN, 3d-cl. reed: Blast 4 sec., silent 16 sec. N47 23.286 W122 22.464
71 Point Wilson WA TYFON: 1st-cl. air: Blast 4 sec., silent 26 sec. N48 08.652 W122 45.282
72 Semiahmoo Harbor WA HORN, 3d-cl. reed; gp. 2 blasts every 30 sec.: Blast 3 sec., silent 4 sec., blast 3 sec., silent 20 sec. N48 59.556 W122 46.932
73 Slip Point WA DIAPHONE, air: Blast 3 sec., silent 27 sec. N48 15.870 W124 15.060
74 Turn Point WA HORN, 3d-cl. reed; gp. 2 unequal blasts every 30 sec.: Blast 4 sec., silent 4 sec., blast 2 sec., silent 20 sec. N48 41.322 W123 14.232
75 West Point WA HORN, 2d-cl. reed: Blast 5 sec., silent 25 sec. N47 39.720 W122 26.142