Lighthouses With Fog Signals for Pacific (1931)

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Hide Insets
6- Bell
20- Diaphone
15- Horn
28- Siren
4- Whistle

Lighthouses with Audible Fog Signals

Cape Hinchinbrook AK DIAPHONE, air: Blast 5 sec., silent 40 sec. N60 14.250 W146 38.814
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
Cape Spencer AK DIAPHONE; air: Blast 4 sec., silent 26 sec. N58 11.904 W136 38.400
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
Eldred Rock AK SIREN, 1st-cl. air; blast 5 sec., silent 40 sec. Horn points east. N58 58.302 W135 13.260
Five Finger Islands AK HORN, 3d-cl. reed: Blast 5 sec., silent 25 sec. Horn points east. N57 16.170 W133 37.866
Guard Island AK DIAPHONE; air: Blast 5 sec., silent 25 sec. N55 26.760 W131 52.872
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
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
Scotch Cap AK DIAPHONE, air: Blast 4 sec., silent 56 sec. N54 23.648 W164 44.702
Sentinel Island AK DIAPHONE, air; blast 5 sec., silent 25 sec. N58 32.784 W134 55.386
Tree Point AK SIREN, 1st-cl. air: Blast 3 sec., silent 27 sec. N54 48.138 W130 56.034
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
Angel Island CA BELL; gp. 2 strokes every 15 sec. N37 51.372 W122 26.554
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
Ballast Point CA DIAPHONE, air: Blast 1.5 sec., silent 13.5 sec. N32 41.175 W117 14.000
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
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
Fort Point CA DIAPHONE, air: Blast 2 sec., silent 18 sec. N37 48.648 W122 28.631
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
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
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
Oakland Harbor CA DIAPHONE, air: Blast 2 sec., silent 13 sec. N37 48.013 W122 19.807
Piedras Blancas CA SIREN, 1st-cl. air: Blast 3 sec., silent 17 sec. N35 39.942 W121 17.064
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
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
Point Arguello CA SIREN, 1st-cl. air: Blast 2 sec., silent 28 sec. N34 34.626 W120 38.838
Point Blunt CA SIREN, electric: Blast 2 sec., silent 13 sec. N37 51.192 W122 25.146
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
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
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
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
Point Hueneme CA SIREN, 1st-cl. air: Blast 4 sec., silent 26 sec. N34 08.750 W119 12.820
Point Loma (New) CA SIREN, 1st-cl. air: Blast 3 sec., 17 sec. N32 39.900 W117 14.562
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
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
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
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
Point Sur CA SIREN, 1st-cl. air: Blast 5 sec., silent 35 sec. N36 18.378 W121 54.090
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
Punta Gorda CA SIREN, 1st-cl. air: Blast 2 sec., silent 13 sec. N40 14.964 W124 21.012
Roe Island CA BELL; 1 stroke every 10 sec. N38 04.056 W122 01.700
San Luis Obispo CA SIREN, 1st-cl. air: Blast 4 sec., silent 36 sec. N35 09.624 W120 45.666
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
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
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
Trinidad Head CA BELL; 1 stroke every 10 sec. N41 03.125 W124 09.090
Yerba Buena Island CA WHISTLE, 10-inch steam: Blast 4 sec., silent 16 sec. N37 48.438 W122 21.738
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
Coquille River OR HORN, 3d-cl. reed: Blast 5 sec., silent 25 sec. N43 07.434 W124 25.458
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
Tillamook OR SIREN, 1st-cl. air: Blast 5 sec., silent 40 sec. N45 56.232 W124 01.146
Warrior Rock OR BELL; 1 stroke every 15 sec. N45 50.916 W122 47.304
Willamette River OR BELL; 1 stroke every 10 sec. N45 39.033 W122 45.883
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
Browns Point WA BELL; 1 stroke every 10 sec. N47 18.354 W122 26.658
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
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
Destruction Island WA SIREN, 1st-cl. air: Blast 2 sec., silent 13 sec. N47 40.470 W124 29.220
Ediz Hook WA SIREN, 1st-cl. air: Blast 5 sec., silent 40 sec. N48 08.400 W123 24.200
Grays Harbor WA DIAPHONE, air; gp. 2 blasts every 30 sec.: Blast 1.5 sec., silent 1 sec., blast 1.5 sec., silent 26 sec. N46 53.292 W124 07.014
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
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
Mukilteo WA HORN, 3d-cl. reed: Blast 4 sec., silent 16 sec. N47 56.922 W122 18.378
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
Patos Island WA HORN, 3d-cl. reed: Blast 4 sec., silent 16 sec. N48 47.340 W122 58.266
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
Point Robinson WA HORN, 3d-cl. reed: Blast 4 sec., silent 16 sec. N47 23.286 W122 22.464
Point Wilson WA SIREN: 1st-cl. air: Blast 4 sec., silent 26 sec. N48 08.652 W122 45.282
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
Slip Point WA DIAPHONE, air: Blast 3 sec., silent 27 sec. N48 15.870 W124 15.060
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
West Point WA HORN, 2d-cl. reed: Blast 5 sec., silent 25 sec. N47 39.720 W122 26.142