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Map of Liberty Ship Allen / Allen Reef
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IntermediateBoat entry

Liberty Ship Allen / Allen Reef

Alabama, United States
30 m (98 ft) depthBoat entry3mm wetsuit typical

Boat dive — see Entry & access.

Liberty Ship Allen / Allen Reef at a glance

Liberty Ship Allen / Allen Reef is an intermediate boat dive site in Alabama, United States with depths of up to 30 m (98 ft). Typically most favorable Jul · from 3 years of archive data. Recent reports put the water around 25°C (77°F). Check the latest conditions and entry details before you go.

Next window today· 7:00–19:00 · favorable & moderate · sunset 18:09

Forecast for this hour · 4:00 · run 4 h ago
1.2 m (4.1 ft)waves — about a meter expected (waves — about four feet expected)

Tap a factor for its source and model point · Forecast 25°C · seasonal avg 27°C ( · Forecast 77°F · seasonal avg 80°F)

Dive windows this week

Lightest wind: Tue
Sun7:00–11:00 moderate, 11:00–19:00 favorable

1.2 m waves · 18 kn wind (4.0 ft waves · 18 kn wind)

Mon7:00–8:00 moderate, 8:00–19:00 favorable

1.2 m waves · 15 kn wind (3.9 ft waves · 15 kn wind)

Tue8:00–19:00 favorable

1.0 m waves · 11 kn wind (3.2 ft waves · 11 kn wind)

Wed8:00–19:00 favorable

1.0 m waves · 15 kn wind (3.4 ft waves · 15 kn wind)

Thu8:00–10:00 favorable, 10:00–11:00 moderate, 11:00–19:00 favorable

1.0 m waves · 17 kn wind (3.2 ft waves · 17 kn wind)

Fri8:00–10:00 favorable, 10:00–11:00 moderate, 11:00–19:00 favorable

1.1 m waves · 16 kn wind (3.7 ft waves · 16 kn wind)

Sat8:00–19:00 favorable

1.4 m waves · 14 kn wind (4.7 ft waves · 14 kn wind)

Favorable windowModerate window— no window

Every forecast dive window each day, site-local time, from wave and wind forecasts. Numbers under each bar are daylight averages.

First light 6:34 · Sunrise 6:59 · Sunset 18:09 · some windows run past sunset

Source: Open-Meteo marine · model point 1.4 km from site · updated 25 Oct, 00:24 GMT-5

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Liberty Ship Allen / Allen Reef

Forecast · NOAA tide model

Tide & slack timing

Loading tide predictions

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?

Best months, historically

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

  1. January, 49% of days have historically been favorable, water has typically been 18°C (64°F), waves have typically been 1.4 m (4.5 ft), wind has typically been 19 knots
  2. February, 56% of days have historically been favorable, water has typically been 18°C (65°F), waves have typically been 1.1 m (3.7 ft), wind has typically been 16 knots
  3. March, 65% of days have historically been favorable, water has typically been 20°C (68°F), waves have typically been 1.2 m (3.9 ft), wind has typically been 17 knots
  4. April, 66% of days have historically been favorable, water has typically been 22°C (71°F), waves have typically been 1.2 m (3.8 ft), wind has typically been 16 knots
  5. May, 88% of days have historically been favorable, water has typically been 25°C (78°F), waves have typically been 0.9 m (2.8 ft), wind has typically been 14 knots
  6. June, 84% of days have historically been favorable, water has typically been 28°C (83°F), waves have typically been 0.9 m (3.0 ft), wind has typically been 14 knots
  7. July, 96% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.6 m (2.1 ft), wind has typically been 12 knots, historically most favorable
  8. August, 94% of days have historically been favorable, water has typically been 31°C (87°F), waves have typically been 0.7 m (2.2 ft), wind has typically been 13 knots
  9. September, 87% of days have historically been favorable, water has typically been 30°C (85°F), waves have typically been 0.8 m (2.7 ft), wind has typically been 13 knots
  10. October, 61% of days have historically been favorable, water has typically been 27°C (80°F), waves have typically been 1.1 m (3.7 ft), wind has typically been 17 knots
  11. November, 60% of days have historically been favorable, water has typically been 23°C (74°F), waves have typically been 1.2 m (3.8 ft), wind has typically been 17 knots
  12. December, 61% of days have historically been favorable, water has typically been 20°C (68°F), waves have typically been 1.2 m (3.9 ft), wind has typically been 18 knots

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

Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.

Marine life recorded at this site

No recorded sightings data for this site yet. Species lists appear as GBIF records and diver reports accumulate.

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

The Allen is a WWII-era Liberty ship deployed as an artificial reef off Baldwin County, one of the better-known wreck dives within roughly 8-11 nautical miles of Perdido Pass, lying in about 90-100 ft of water. It is a long-established reef that draws grouper, snapper and other reef fish.

boatwreck

No hazards recorded for this site yet — that never means there are none. Ask a local operator before you dive.

Reviews

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