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Current Voyage

FROM

Unknown

TO

Unknown

DepartedDestination
Track
In Map

Weather Conditions

Temperature
21.7°C
Pressure
1011 hPa
Wind Gust
10.3 m/s
Wind Speed by Height
10m Height
4.5 m/s
240°
80m Height
7.8 m/s
249°
100m Height
8.2 m/s
251°
Wave Conditions
Significant Waves
0.6 m
Period: 7.7s
139°
Wind Waves
0.2 m
Period: 2.5s
227°
Wave Power
1.2 kW/m

ALTHEA

MMSI: 338524692

Vessel Specifications

ALTHEA is a vessel sailing under the United States flag. The vessel is currently under way using engine at position 43.0757°N, 70.7176°W in the Gulf of Maine and moving at 5.7 knots.
Country/Flag
United States
Ship Type-
Call Sign-
Navigation StatusUnder way using engine
Speed5.7 kn
Average Speed8.3 kn
Max Speed22.2 kn
Course Over Ground (COG)222.6°
True Heading511°
Rate of Turn-
Latitude43.075720
Longitude-70.717590
Water BodyGulf of Maine
Last Update (UTC)
Timezone
Local Time
Transmitted DestinationUnknown
Transmitted ETA—

Vessel Location

ALTHEA
43.0757, -70.7176

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
Portsmouth
18/05/2026, 15:33:45 UTC-——-

Event History

TimeEventFromToWater BodyLocationSOGCOG
18/05/2026, 15:33:45 UTCPort Boundary Entry—PortsmouthGulf of Maine43.0769, -70.71894.9 kn109.7°

About ALTHEA

ALTHEA is a vessel with MMSI 338524692, registered under the flag of United States. As of the last AIS update, ALTHEA is positioned at 43.0757°N, -70.7176°E in Gulf of Maine. The vessel is currently under way using engine, travelling at 5.7 knots with a course of 222.6°.

Last AIS signal: Mon, 18 May 2026 17:57:44 GMT

Recent Port Calls

ALTHEA has recently visited the following ports:

  1. ▸Portsmouth

Current Weather at Vessel Position

Air temperature is 21.7°C. Wind speed is 4.5 m/s from 240°. Significant wave height is 0.6 m with a period of 8 seconds. Atmospheric pressure is 1011 hPa.