FAQ · Destination Guide
Cold-water wrecks, chalk reefs, and Baltic maritime culture from Cape Arkona to Warnemünde
Häufig gestellte Fragen
Kurze Antworten aus Recherche und lokalen Betriebsabläufen.
June through September is the easiest scuba window because local boats run more broadly, daylight is long, and surface water is less severe. May and October are credible for experienced drysuit divers when operators confirm departures, while April is more training-oriented. July and August bring surface water near 18°C to 20°C, but deeper thermoclines can be much colder and resort crowds are highest. November through March suits pre-arranged sheltered training rather than a guaranteed Cape Arkona wreck program. Keep one flexible day because wind and sea state can cancel or redirect boats at short notice.
Warnemünde surface climatology rises from roughly 3°C to 6°C in winter to around 18°C to 20°C in July and August. May is commonly near 12°C, and October near 13°C, but bottom water can be substantially colder after a thermocline. Most traveling divers should plan around a practiced drysuit, hood, gloves, and appropriate undergarments. A 7mm semidry may suit some shallow summer profiles, but personal cold tolerance varies. Choose protection for the planned depth and duration, not the beach temperature.
Yes, but beginners should separate sheltered training from exposed signature diving. Hohe Düne near Rostock supports open-water instruction and direct-water practice, and local descriptions present the Mynden wreck near 12 m as one of Rügen's more approachable historic sites. That does not make every trip beginner-friendly. Cape Arkona can add current, chop, low visibility, boat procedures, and cold stress, while some Rügen operators publish a 50-logged-dive threshold for boat participation. Send your experience and drysuit history before booking so the center can match you to training, an easier wreck, or a more advanced team.
Visibility is too variable for a dependable trip-wide number. Wind can resuspend sediment, plankton can reduce clarity, and a calm morning may differ sharply from the previous afternoon. Chalk, pale sand, and shallow reef light can create attractive scenes when conditions align, but wreck dives may still be dark enough to justify a primary and backup torch. Ask the operator what recent dives showed rather than relying on a seasonal average. Keep close buddy contact, use disciplined finning, and avoid touching down on soft bottom. Snorkelers should choose calm early sessions and be willing to abandon a beach when water looks turbid.
No destination-wide recreational-diving tag was identified. That does not mean every charted site is open. Protected national-park waters can have navigation restrictions, artificial reefs can sit inside fishing-protection zones, harbor approaches are controlled, and purposeful archaeological searching or recovery may require heritage permission. A local operator should confirm legal access, anchoring or shot-line procedure, and any site-specific authorization. Selected Rügen trips also publish operator conservation surcharges of EUR 10 to EUR 15 per dive. Treat those as operator charges, not a universal government marine-park fee, and reconfirm them before payment.
No. Leave every object where it lies, including items that appear loose, modern, or valueless. Wrecks can be protected archaeological contexts, and purposeful search, excavation, or recovery can require prior permission from Mecklenburg-Vorpommern's heritage authorities. German Baltic waters also contain legacy munitions, so an unidentified cylinder, shell, canister, or corroded object may be dangerous. Do not handle it, clean it for a photograph, or bring it onto the boat. Withdraw without stirring the area, record the position only if that can be done safely, and report through the skipper or emergency authorities according to the briefing.
Yes, but both activities are condition-led and seasonal. Snorkeling is most comfortable in July and August, with June and September as wetsuit-friendly shoulders. Prora, Schaabe, Warnemünde, and Markgrafenheide offer broad bathing coasts where calm mornings can reveal seagrass, stones, mussels, gobies, crabs, and flatfish. Freediving is better arranged through a Rostock club, coach, or dive center, using sheltered water such as Hohe Düne for line and rescue work. Never dive alone, stay outside harbor and ferry lanes, use visible surface support, and cancel for chop, low clarity, cold, or water-quality warnings.
Rail connects Rostock, Warnemünde, Stralsund, Bergen, Sassnitz, and Binz, but a rental car is usually the most efficient choice for cylinders, drysuits, early check-ins, and northern Rügen ports. The road transfer between Rostock and central Rügen is roughly half a day once loading, traffic, and island roads are included. Rostock's GuestCard can include much local public transport for qualifying overnight guests, while Rügen guest-card transport benefits vary by municipality. The Warnow ferry links Warnemünde and Hohe Düne. Reserve vehicle space, parking, and accommodation before summer weekends, and never schedule the inter-base move immediately after an uncertain boat return.
Allow at least six nights for a meaningful split trip, and seven to nine nights is more resilient. A practical outline is three or four nights on Rügen for two planned boat days plus Jasmund or Cape Arkona, followed by three nights in Rostock or Warnemünde for Hohe Düne, an artificial reef, or a local wreck. The essential extra is one uncommitted weather day that can move between hubs. Shorter trips can work, but a single canceled Cape Arkona departure may remove the signature experience. Avoid changing hotels every night because drying, charging, gas logistics, and early harbor starts consume more time than the map suggests.
Expect temperate, brackish-water ecology rather than tropical biomass. Mussel beds, algae, seagrass, bryozoans, small crustaceans, gobies, flatfish, and other compact reef or wreck residents reward slow observation and macro photography. Harbor seals are the headline animal experience, but the most predictable dive is a controlled research-center program near Rostock, not an unmanaged wild encounter. Seasonal seal-watching boats also operate from Rügen on published dates. Wildlife density and visibility vary, so choose the destination for the combination of wrecks, geology, history, and small life rather than for a guaranteed large-animal checklist.
On Rügen, non-divers can walk Jasmund's marked high-bank paths, visit Königsstuhl, explore Cape Arkona and Vitt, tour Prora's museums, ride the Rasender Roland, or spend a day in Binz and Stralsund. Around Rostock, Warnemünde's Alter Strom, lighthouse, beach, coastal forest, maritime museums, and Rostock's brick-Gothic old town are easy alternatives. In August, Hanse Sail adds a major maritime event. Build each boat day around an independent rail, bus, or booked excursion plan, because divers may take the rental car and return late after a site change. Check seasonal opening and ferry times outside summer.
End the dive, establish buoyancy, recover the diver without creating another casualty, and provide the highest available oxygen concentration if trained. Call 112 for life-threatening or suspected diving illness. At sea, contact MRCC Bremen on +49 421 536 87 0 or Bremen Rescue Radio on VHF Channel 16. Give coordinates, dive profile, breathing gas, symptoms, number of divers, and boat description. Then contact DAN Europe on +39 0642115685 for diving-medicine coordination. Do not descend again, delay oxygen, or drive the patient independently to a presumed chamber. Emergency services should select the receiving hospital and recompression facility.