Seasonal
MUSKEGON RIVER
United States · port tender · 17 m · Great Lakes Dredge & Dock Company, LLC
A seasonal visitor: a 17 m port tender seen on 50 days across 2 years, all between September and December.
How often we see her
Seen once in our last year of watching. Last seen Oct 1. She hasn't been back in a long while, so we're no longer expecting her.
MUSKEGON RIVER was seen on 1 day since Oct 1, 2026, most recently Oct 1, 2026. We were not recording from Jul 1, 2026 to Sep 28, 2026.
- Oct 1, 2026
Her particulars
Build
- Built
- not yet known
Size
- Length overall
- 17 m (56 ft)
- Beam
- 9 m (30 ft)
Capacity
- Gross tonnage
- not yet known
- Deadweight
- not yet known
Registry and management
- Call sign
- WDF9879
- Registered owner
- Great Lakes Dredge & Dock Company, LLC
- Manager
- not yet known
In the window
Seasonal · seen on 50 days across 2 years · first seen Sep 2021 · last seen Oct 2026 · busiest months Oct, Sep, Dec · usual stay about 4 hours · speed past the window 17.5 kn · broadcasts as destination DAUPHIN ISLAND AL
Records
Observed top speed 20.8 kn · off Charleston, SC · 2 Dec 2021 · national archive 2021-25
Backstory, spoken
Nothing recorded yet.
Backstory, written
Nothing written yet. Add a line.
299 seen · 152 inbound · 146 outbound · dwell 4.2h
Passages (20)
| When | Direction | Draught | Status |
|---|---|---|---|
| Oct 1, 2026, 2:38 PM | inbound | — | no_camera |
| Dec 10, 2021, 10:50 AM | outbound | — | — |
| Dec 9, 2021, 8:54 AM | inbound | — | — |
| Dec 9, 2021, 7:25 AM | outbound | — | — |
| Dec 8, 2021, 10:30 AM | inbound | — | — |
| Dec 4, 2021, 1:41 PM | inbound | — | — |
| Dec 4, 2021, 12:42 PM | outbound | — | — |
| Dec 4, 2021, 7:09 AM | inbound | — | — |
| Dec 4, 2021, 6:25 AM | outbound | — | — |
| Dec 4, 2021, 2:08 AM | inbound | — | — |
| Dec 4, 2021, 12:01 AM | outbound | — | — |
| Dec 3, 2021, 7:13 PM | inbound | — | — |
| Dec 3, 2021, 6:29 PM | outbound | — | — |
| Dec 3, 2021, 2:56 PM | inbound | — | — |
| Dec 3, 2021, 12:30 PM | outbound | — | — |
| Dec 3, 2021, 7:11 AM | inbound | — | — |
| Dec 3, 2021, 6:26 AM | outbound | — | — |
| Dec 2, 2021, 7:15 PM | inbound | — | — |
| Dec 2, 2021, 6:30 PM | outbound | — | — |
| Dec 2, 2021, 3:42 PM | inbound | — | — |
Sightings come from the national AIS record through Jun 30, 2026, then our own window receiver from Sep 29, 2026. Jul 1, 2026 – Sep 28, 2026 was not recorded.