Voyage Radar
Z FOUR
MMSI: 367396710
Vessel Specifications
Z FOUR is a tug sailing under the United States flag, measuring 30m in length and 18m in width. The vessel is currently under way using engine at position 37.7283°N, 122.3306°W in the San Francisco Bay and moving at 9.9 knots with destination reported as US^0VAA>0V5V.
Country/Flag
United States
Ship TypeTug
Call SignWDM6875
IMO-
Navigation StatusUnder way using engine
Speed9.9 kn
Average Speed0.4 kn
Max Speed11.1 kn
Course Over Ground (COG)346.6°
True Heading343°
Rate of Turn0°/min
Latitude37.728305
Longitude-122.330580
Water BodySan Francisco Bay
Last Update (UTC)
Local Time
25 Feb 2026, 20:55 UTC
Just now
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Transmitted DestinationUS^0VAA>0V5V
Transmitted ETA0 Months 0 Day(s) 24 Hour(s) 60 min
Vessel Location
Z FOUR
37.7283, -122.3306
Vessel Dimensions
Length
30 m
Width
18 m
Draught
0.1 m
Speed Graph
Last 24 HoursNo Featured Articles
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Port Calls History
No port calls recorded for this vessel