Seasonal
NEPTUNE
US · tug · 31 m · Dann Ocean Towing
A fall visitor: a 31 m tug seen on 18 days across 2 years, mostly in October.
When she comes back
Seen on 16 days in our last year of watching, more often than 9 in 10 boats we log, mostly in October. Last seen Oct 15. Expected back around Oct 16 (Oct 15 – Oct 17), tomorrow.
Based on her daily rhythmmedium confidence
NEPTUNE was seen on 16 days since Sep 1, 2026, most recently Oct 15, 2026. Expected back between Oct 15, 2026 and Oct 17, 2026, best guess Oct 16, 2026. We were not recording from Jul 1, 2026 to Sep 28, 2026.
- Sep 30, 2026
- Oct 1, 2026
- Oct 2, 2026
- Oct 3, 2026
- Oct 4, 2026
- Oct 5, 2026
- Oct 6, 2026
- Oct 7, 2026
- Oct 8, 2026
- Oct 9, 2026
- Oct 10, 2026
- Oct 11, 2026
- Oct 12, 2026
- Oct 13, 2026
- Oct 14, 2026
- Oct 15, 2026
Where she's been
- Charleston, SC · in port Oct 14 to Oct 15 · 3 samples
- Charleston, SC · in port Oct 13 · 2 samples
- Charleston, SC · seen Oct 12
- Charleston, SC · seen Oct 12
- Charleston, SC · in port Oct 10 to Oct 11 · 8 samples
- Charleston, SC · in port Oct 9 · 2 samples
- Charleston, SC · in port Oct 9 · 3 samples
- Charleston, SC · in port Oct 8 · 3 samples
- Charleston, SC · in port Oct 6 to Oct 7 · 23 samples
- Charleston, SC · in port Oct 6 to Oct 7 · 24 samples
- Charleston, SC · in port Oct 5 to Oct 6 · 7 samples
- Charleston, SC · seen Oct 4
From shore receivers' AIS samples: volunteer networks, our own antenna and NOAA's archive. A port call means she was heard stopped there; ocean passages are not heard, and the times are bounds, not events.
Her particulars
Build
- Built
- 1992
Size
- Length overall
- 31 m (102 ft)
- Beam
- 10 m (33 ft)
Capacity
- Gross tonnage
- not yet known
- Deadweight
- not yet known
Registry and management
- IMO number
- 8860406
- Call sign
- WCT5064
- Flag
- United States
- Registered owner
- Dann Ocean Towing
- Manager
- not yet known
- Class
- ABS
In the window
Seasonal · seen on 18 days across 2 years · first seen Jun 2024 · last seen Oct 2026 · visits a year about 15 · busiest months Oct, Sep, Jun · usual stay about 6 hours · speed past the window 3.4 kn
Records
Observed top speed 9.4 kn · off Charleston, SC · 26 Jun 2024 · national archive 2021-25
Backstory, spoken
Nothing recorded yet.
Backstory, written
Nothing written yet. Add a line.
2 seen · 35 inbound · 39 outbound · dwell 5.3h · draught 4.3m in / 4.3m out
Passages (20)
| When | Direction | Draught | Status |
|---|---|---|---|
| Oct 15, 2026, 6:54 PM | outbound | 4.3 m (14 ft) | — |
| Oct 15, 2026, 6:02 PM | loiter | 4.3 m (14 ft) | — |
| Oct 15, 2026, 3:37 PM | inbound | 4.3 m (14 ft) | captured |
| Oct 15, 2026, 11:14 AM | outbound | 4.9 m (16 ft) | captured |
| Oct 15, 2026, 5:06 AM | loiter | 4.9 m (16 ft) | night |
| Oct 15, 2026, 3:48 AM | loiter | 4.9 m (16 ft) | night |
| Oct 15, 2026, 2:38 AM | loiter | 4.9 m (16 ft) | night |
| Oct 15, 2026, 1:29 AM | loiter | 4.9 m (16 ft) | night |
| Oct 14, 2026, 11:08 PM | loiter | 4.9 m (16 ft) | night |
| Oct 14, 2026, 9:21 PM | loiter | 4.9 m (16 ft) | night |
| Oct 14, 2026, 8:33 PM | loiter | 4.9 m (16 ft) | night |
| Oct 14, 2026, 7:38 PM | inbound | 4.9 m (16 ft) | night |
| Oct 14, 2026, 3:22 PM | outbound | 4.9 m (16 ft) | captured |
| Oct 14, 2026, 10:34 AM | inbound | 4.9 m (16 ft) | captured |
| Oct 14, 2026, 1:47 AM | outbound | 4.3 m (14 ft) | night |
| Oct 13, 2026, 9:34 PM | inbound | 4.3 m (14 ft) | night |
| Oct 13, 2026, 5:26 PM | outbound | 4.9 m (16 ft) | missed |
| Oct 13, 2026, 5:21 PM | outbound | 4.3 m (14 ft) | — |
| Oct 13, 2026, 2:14 PM | outbound | 4.3 m (14 ft) | captured |
| Oct 13, 2026, 12:54 PM | loiter | 4.3 m (14 ft) | skipped_recent |
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.