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Alcatraz Island

USA Latitude / Longitude: 37.8261566° / -122.422173°
Type: Lighthouse
Type of Flashing: Flashing (Fl)
Number of Flashes: 1
Light Color: White / W
Interval of Flashing: 5s
Focal Height: 65m
Location / Area / Island: Northern California
Operational: Yes

Nearby Vessels

Vessel Name Distance Bearing
ADVENTURE CAT 2 0.86 156
JEREMIAH OBRIEN 0.93 167
ALMA 0.94 183
ISLET POINT 0.95 178
TWOSCO 1 176
ANNA MARIE 1.03 171
PIONEER 1.03 169
ROYAL PRINCE 1.05 161
SWIM SAFETY ARIAS 2 1.06 179
HARBOR QUEEN 1.06 162
ZALOPHUS 1.06 161
GOLDEN BEAR 1.07 153
NAIAD 1.07 152
HYDRUS 1.1 155
ROYAL STAR 1.1 154
PERALTA 1.11 155
BAY MONARCH 1.11 154
OSKI 1.12 152
THUMPER 1.12 146
HARBOR EMPEROR 1.14 152