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U-352

World War II submarine wreck · Off Cape Lookout, North Carolina, United States

Watercolor depiction of U-352 at sea, painted by its commander
U-352 as depicted by its commander, Hellmut Rathke, in a watercolor painted after his capture. Image courtesy of the National Archives via NOAA. This is a painting, not a photograph taken before the sinking.
Underwater photograph of U-352’s conning tower and surrounding fish
The wreck in a documented underwater photograph by Tane Casserley/NOAA. NOAA Ocean Exploration image; the photograph is not a live view of the site.

About this site

U-352 was a German Type VIIC submarine that patrolled the Atlantic during World War II. On May 9, 1942, it fired at the U.S. Coast Guard cutter Icarus off Cape Lookout and missed. Icarus attacked with depth charges, forcing U-352 to surface; its crew abandoned and scuttled the submarine. The Coast Guard rescued survivors, while other crew members died in the action.

The wreck rests in about 110 feet of water. NOAA has documented the submarine with photographs, sonar, and a site plan, and it is listed on the National Register of Historic Places. The site remains a place of loss as well as a popular North Carolina wreck dive.

What divers may find

Divers can see the submarine’s surviving structure amid corals, anemones, baitfish, and amberjack. Conditions vary, and the depth calls for appropriate training and planning. Olympus Dive Center lists the site as a no-penetration dive.

History, wreck survey, and marine life: NOAA Monitor National Marine Sanctuary. Dive operator’s site details: Olympus Dive Center.

Diver notes

Recent observations from divers.

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Operator schedule: Olympus full-day charters: daily mid-May through October; most weekends in April and November. U-352 is a possible destination, chosen on the day according to conditions.

Dive conditions by season

Site-specific summer water temperature; May–October is regional season guidance. The source does not separate surface and bottom temperatures.

Dive season

May–October; listed temperature applies to summer only

Surface water temperature
Bottom water temperature
Visibility
Reported water temperature (depth unspecified)
75–80°F — summer; depth unspecified
Typical conditions

Regional guidance favors calmer summer seas; actual wreck conditions vary.

Off season

November–April — outside the regional peak season

Surface water temperature
Bottom water temperature
Visibility
Typical conditions

Olympus Dive Center charter details are operator-specific. Confirm current conditions and requirements with the operator before booking.

Recommended gear and exposure protection

Olympus recommends a DSMB with reel or spool, primary and backup lights, a save-a-dive kit, and larger tanks for full-day trips. Nitrox certification is recommended for offshore wrecks.

Sources: Olympus full-day minimums ↗ · Olympus charter schedule ↗ · Olympus gear FAQ ↗ · Discovery Diving site profiles ↗ · PADI North Carolina season guide ↗

Dive Tools

Dive calculators

Recreational Diving

MOD calculation

Maximum operating depth for your analyzed mix.

SAC calculation

Surface air consumption and respiratory minute volume.

Weight calculation

Suit, water, backplate and tank ballast estimate.

PO₂ calculation

Oxygen partial pressure at depth.

Gas planning

Available gas, duration, requirements and turn pressure.

Equivalent air depth · EAD

Compare nitrox nitrogen exposure with air.

Altitude correction

Equivalent sea-level depth from local surface pressure.

Technical Diving

Equivalent narcotic depth · END

Compare mixed-gas narcotic exposure with air.

Gas density

Breathing-gas density for your mix and depth.

Oxygen exposure · CNS / OTU

Accumulate exposure across timed segments.

Gas blending

Ideal-gas nitrox and trimix blend calculations.

Minimum gas

Gas for a shared ascent, including problem-solving time.

Conditions & Trip Planning

Check a destination before heading out. U.S. forecasts are provided by the National Weather Service and can change; compare the forecast with current marine warnings and local operator advice.

Forecast for your destination

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Marine conditions and safety

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Check reported waves, wind, and water temperature where a nearby station provides them.

NOAA tide predictions ↗

Look up predicted tides by station for shore entries and boat plans.

Emergency plan guide ↗

Review DAN’s guidance for preparing an emergency plan for this trip.

Forecast source: National Weather Service API ↗. ZIP location lookup: Zippopotam.us / GeoNames ↗.

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Privacy

Last updated September 27, 2026.

Information you provide

If you create an account, DiveFind uses your email address and sign-in details to manage access. You can also sign in through Google. If you submit a diver note or forum post, we store its text, date, your account identifier, and a display name. Approved notes and forum posts are visible to visitors. DiveFind stores your username, optional profile details, and a chosen icon or cropped photo. Your username and profile picture are visible to signed-in members. Optional profile details are shown to signed-in members when you save them, unless you uncheck their visibility option. You can change that choice later. Your email address is never shown in member profiles; it is used privately to manage your account and match room invitations. Private chat rooms store room names, membership, and messages. Dive logs and finds entered on this site are private unless you choose Share for a specific record. Shared record text and dates appear on your member profile. Certification ribbons are self reported; dive milestone ribbons count site log entries, not independently verified dives. Only accepted room members can view room messages; the service operator may access stored content for administration or legal obligations. Do not put private coordinates or sensitive personal information in a note.

Questions and third-party services

Public forum submissions and diver notes may be processed through OpenAI for moderation. Private room messages are not sent for AI review. Account sign-in uses Supabase. Forecast ZIP lookups use Zippopotam.us, and selected coordinates are sent to the National Weather Service for forecasts. The browser shares your current location only if you choose Use my location and allow it. News, dive shop, and source links open other sites with their own privacy practices. If you use Google sign-in, Google’s Privacy Policy also applies.

Contact

Dive shop registration details are used to verify business affiliation and are visible only to site administrators. A registered shop may send private messages to the admin; the account email is included so the admin can reply.

For questions about your DiveFind account, a forum post, or a private room, contact althtnmore@gmail.com.

Terms of Use

Last updated September 27, 2026.

Using DiveFind

DiveFind provides dive site descriptions, shop links, news, community notes, a public forum and private chat rooms. Details can be inaccurate or out of date. Verify conditions, regulations, equipment, and dive plans with qualified local sources and your training before diving.

Community notes

Submit only material you have the right to share. Do not post private coordinates, personal information about others, abusive content, or misleading reports. DiveFind may review, decline, or remove public forum posts and community notes. Room creators may remove members, and members may leave rooms. A room is private to its accepted members, but participants can copy and share what they read. You remain responsible for what you submit.

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Contact

Questions: althtnmore@gmail.com.