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Current Voyage

FROM

Unknown

TO

Unknown

DepartedDestination
Track
In Map

Weather Conditions

Temperature
18.9°C
Pressure
1009 hPa
Wind Gust
9.4 m/s
Wind Speed by Height
10m Height
5.9 m/s
52°
80m Height
8.0 m/s
53°
100m Height
8.4 m/s
54°
Wave Conditions
Significant Waves
0.5 m
Period: 3.7s
42°
Wind Waves
0.5 m
Period: 3.7s
44°
Wave Power
0.4 kW/m

1KOYOMARU

MMSI: 431242000

Vessel Specifications

1KOYOMARU is a vessel sailing under the Japan flag. The vessel is currently under way using engine at position 35.5480°N, 133.2303°E.
Country/Flag
Japan
Ship Type-
Call Sign-
Navigation StatusUnder way using engine
Speed0.0 kn
Average Speed0.0 kn
Max Speed0.0 kn
Course Over Ground (COG)270.1°
True Heading77°
Rate of Turn-
Latitude35.547960
Longitude133.230340
Last Update (UTC)
Timezone
Local Time
Transmitted DestinationUnknown
Transmitted ETA—

Vessel Location

1KOYOMARU
35.5480, 133.2303

Vessel Dimensions

? m? m
Length
?
Width
?
Draught
?

Speed Graph

Last 24 Hours

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Port Calls History

Port NameBoundary EntryArrival TimeDeparture TimeBoundary ExitDuration
Sakaiminato
17/05/2026, 20:26:42 UTC17/05/2026, 20:26:42 UTC——-

Event History

TimeEventFromToWater BodyLocationSOGCOG
17/05/2026, 20:26:42 UTCPort Boundary Entry—SakaiminatoLand35.5480, 133.23030.0 kn280.5°
17/05/2026, 20:26:42 UTCPort Arrival—SakaiminatoLand35.5480, 133.23030.0 kn280.5°

About 1KOYOMARU

1KOYOMARU is a vessel with MMSI 431242000, registered under the flag of Japan. As of the last AIS update, 1KOYOMARU is positioned at 35.5480°N, 133.2303°E. The vessel is currently under way using engine.

Last AIS signal: Mon, 18 May 2026 00:56:42 GMT

Recent Port Calls

1KOYOMARU has recently visited the following ports:

  1. ▸Sakaiminato — arrived 17 May 2026 (currently in port)

Current Weather at Vessel Position

Air temperature is 18.9°C. Wind speed is 5.9 m/s from 52°. Significant wave height is 0.5 m with a period of 4 seconds. Atmospheric pressure is 1009 hPa.