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AdvancedBoat entry

U-1105

Virginia, United States
AOW suggested20–28 m (65–91 ft) depthBoat entry

Boat dive — see Entry & access.

U-1105 at a glance

U-1105 is an advanced boat dive site in Virginia, United States with depths of 19.8–27.7 m (65–91 ft). Typically most favorable Apr–Jul · from 2 years of archive data. Divers commonly see Blue catfish, Striped bass, and Blue crab. Check the latest conditions and entry details before you go.

No window in this week’s forecast

Model snapshot · updated 26 Oct, 17:29 UTC · run 8 h ago
—

Tap a factor for its source and model point

Site hazards: Near-zero visibility (often <1-3 ft) in dark tannic river water, strong tidal current, depth to ~91 ft, entanglement (lines, nets), cold water below the thermocline, disorientation on a featureless silt bottom. Penetration impossible/prohibited; artifact removal illegal.

Read the full hazards ↓

Dive windows this week

No dive windows in this week’s forecast — no stretch of daylight hours scored favorable or moderate for this site.

First light 11:00 · Sunrise 11:27 · Sunset 22:12

Source: Open-Meteo marine · model point 31 km from site · updated 26 Oct, 17:29 UTC

Forecast only — always assess conditions on site.

Compare this weekend’s windows near U-1105

Forecast · NOAA tide model

Tide & slack timing

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Recent diver reports

Dated firsthand observations from divers — not current conditions.

No diver reports for this site yet. — one dated observation helps every diver after you.

Dived here today — did the forecast match?

What Divers Say

Known for: Blue catfish, Striped bass, Blue crab
Best time: Late spring through fall while the mooring buoy is in place (roughly April/May-October/December); dive at slack tide.

Based on community reviews and site data. Conditions vary — always verify before diving.

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

  1. January, 94% of days have historically been favorable, water has typically been 5°C (42°F), waves have typically been 0.8 m (2.6 ft), wind has typically been 11 knots
  2. February, 96% of days have historically been favorable, water has typically been 6°C (43°F), waves have typically been 0.6 m (2.1 ft), wind has typically been 11 knots
  3. March, 94% of days have historically been favorable, water has typically been 9°C (48°F), waves have typically been 0.7 m (2.3 ft), wind has typically been 12 knots
  4. April, 100% of days have historically been favorable, water has typically been 15°C (58°F), waves have typically been 0.7 m (2.1 ft), wind has typically been 12 knots, historically most favorable
  5. May, 100% of days have historically been favorable, water has typically been 20°C (69°F), waves have typically been 0.6 m (1.8 ft), wind has typically been 10 knots, historically most favorable
  6. June, 100% of days have historically been favorable, water has typically been 25°C (77°F), waves have typically been 0.5 m (1.5 ft), wind has typically been 9 knots, historically most favorable
  7. July, 100% of days have historically been favorable, water has typically been 30°C (85°F), waves have typically been 0.5 m (1.5 ft), wind has typically been 8 knots, historically most favorable
  8. August, 98% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 0.5 m (1.7 ft), wind has typically been 9 knots
  9. September, 97% of days have historically been favorable, water has typically been 25°C (77°F), waves have typically been 0.6 m (1.9 ft), wind has typically been 9 knots
  10. October, 97% of days have historically been favorable, water has typically been 20°C (68°F), waves have typically been 0.7 m (2.2 ft), wind has typically been 10 knots
  11. November, 98% of days have historically been favorable, water has typically been 14°C (58°F), waves have typically been 0.7 m (2.2 ft), wind has typically been 10 knots
  12. December, 95% of days have historically been favorable, water has typically been 8°C (46°F), waves have typically been 0.7 m (2.4 ft), wind has typically been 11 knots

April, May, June, and July have typically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.

Based on 1 year of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.

Marine life seen at this site

Species noted at this site — not a promise of what you’ll encounter.

Species seen here

Rough labels: “Commonly seen” usually means two or more recorded sightings near this site in public dive logs (GBIF), “Occasionally seen” one; “Seasonal” and “Rarely seen” come from dive-guide research. Not a measured rate.

Fills & rentals nearby

Facts from OpenStreetMap, corrected by the community — listed by distance only. Details change; confirm with the shop.

Shop facts come from OpenStreetMap and community corrections, shown nearest first. PickADive lists facts and contacts only — no listing is sponsored or ranked.

Data updated June 2026

Site details

U-1105 'Black Panther' is a Type VIIC/41 U-boat fitted with experimental synthetic rubber anti-sonar skin, surrendered in 1945 and scuttled by the US Navy in 1949 in the Potomac River off Piney Point, Maryland. It sits upright in about 91 ft of dark river water with the conning tower at ~65 ft and has been Maryland's first Historic Shipwreck Preserve since 1995. It is an advanced low-visibility dive accessed by private boat via a seasonal mooring buoy; the wreck and artifacts are fully protected.

boatwreck

Near-zero visibility (often <1-3 ft) in dark tannic river water, strong tidal current, depth to ~91 ft, entanglement (lines, nets), cold water below the thermocline, disorientation on a featureless silt bottom. Penetration impossible/prohibited; artifact removal illegal.

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