FAQs · Destination Guide
Tide-timed wrecks, kelp-clad pinnacles, and wild Atlantic days around Lundy's grey seals
Frequently Asked Questions
Quick answers sourced from research and local operating patterns.
July to September is the strongest core window because Lundy water is near its annual warmest, daylight is long, and specialist charter planning is most established. May, June, and early October can also work for experienced cold-water divers, but spring plankton, lower temperature, and autumn weather add uncertainty. No month guarantees a crossing or a chosen site. Strong tide and wind direction remain decisive every day, so book a flexible operator, keep a mainland fallback, and expect the skipper to replace an exposed wreck or pinnacle with a sheltered bay when necessary.
Lundy is not generally a beginner destination. Official MPA guidance highlights strong tidal currents and says most diving is unsuitable for novice or inexperienced divers. However, Easy Divers North Devon advertises selected shallow, sheltered, guided seal trips for qualified Open Water divers who satisfy its requirements, with an age minimum and a cold-water readiness recommendation. That narrow product does not make Knoll Pins, MV Robert, Brazen Ward, or other tidal objectives beginner sites. New divers should disclose recent experience honestly, complete any requested refresher, use appropriate thermal protection, and accept that the operator may decline or modify participation.
Official monitoring records a historical low around 8°C in March and a historical high around 18°C in August, with a monitored recent maximum near 19°C. Most scuba visitors will be more comfortable in a drysuit with underlayers already tested in comparable conditions. A robust 7mm or layered system may suit some summer divers, while one operator recommends a 5mm full suit plus a 5mm shorty for its shallow seal product. Hood and gloves are standard, and post-dive wind chill makes a fully dry warm layer essential.
A realistic planning range is about 5 m to 12 m. Official Lundy material notes that visibility can exceed 12 m and sometimes approach 15 m after settled weather, but plankton blooms, swell, runoff, and the chosen side of the island can change it quickly. Do not book a date solely around a promised visibility number. Use a torch for wreck detail, keep buddy spacing appropriate to the actual water, and be ready for the skipper to switch sites. Macro subjects and colorful walls can remain rewarding when wide-angle conditions are only moderate.
Currents are one of Lundy's defining hazards. Flow accelerates around pins, headlands, gullies, and wrecks, while some routes are deliberately planned as drifts. Slack water creates the usable window for sites such as Knoll Pins and MV Robert, but the timing is site-specific and should come from a skipper with current local knowledge. Divers need a practiced DSMB deployment, clear separation and recall procedures, and enough gas to manage an off-shot ascent. Freedivers and snorkelers should remain in sheltered, skipper-approved areas and leave before current weakens buddy control or return-to-boat ability.
Water-focused visitors usually take a specialist charter from Ilfracombe or the MS Oldenburg from Ilfracombe or Bideford. The ship normally crosses in under two hours during its published season from the end of March into October, while dive boats often quote roughly 90 minutes each way. Departure port and timing follow the operator's current plan, not a permanent daily pattern. In winter, staying visitors normally use the helicopter from Hartland Point on selected days. Confirm check-in, baggage, parking, coach transfers, and the latest sailing message before travel because weather can cancel service or change the operating port.
You can snorkel in grey seal habitat, but the objective must be passive observation rather than guaranteed interaction. Official Lundy guidance says to keep at least 100 m from hauled-out seals, pups, and colonies, and not to touch, feed, chase, follow, surround, use toys, or flash a camera. In water, remain calm and allow the animal to choose whether it approaches. The Landing Bay warden safari is the clearest structured option for competent swimmers aged 10 and over. Some commercial swim boats are not guided in water and provide no flotation, so verify supervision and equipment explicitly.
Iona II and Gull Rock are designated protected wreck sites and require a licence; booking a charter does not grant access. HMS Montagu has a different status as a Scheduled Monument and may be dived without that protected-wreck visitor licence, but removal or disturbance remains prohibited. Other wrecks still sit within general heritage, ownership, conservation, and safe-diving rules. Before requesting any wreck, confirm its current legal status with the operator and relevant authority. Do not recover souvenirs, move artifacts for photographs, or enter confined spaces merely because the hull has an opening. Training, redundancy, and the day's tide remain separate requirements.
Yes, but the right format matters. A passenger day on MS Oldenburg provides several hours to explore Lundy on foot, while a dive charter may remain offshore and may not guarantee an island landing. Ask the operator whether non-diving passengers are accepted, what seating and shelter exist, and whether seasickness or mobility could make the long day uncomfortable. Non-divers who prefer certainty can stay in North Devon for Woolacombe, Croyde, Ilfracombe, the Valley of Rocks, Hartland, or Exmoor. Mixed groups work best when the diver's charter and the companion's mainland plan can change independently with weather.
Treat Lundy as a premium UK coastal add-on rather than a cheap shore-diving weekend. The official 2026 MS Oldenburg day return is GBP 59 for an adult, while a staying passenger's period return is GBP 100 and winter helicopter return is GBP 184. Dive-equipment carriage on the ship is GBP 32 per person, and specialist charters, accommodation, cylinders, fills, parking, food, and weather flexibility add substantially. There is no ordinary marine-park tag identified, but protected-wreck licensing can add administration. Confirm current fares and operator cancellation terms before constructing a total, especially for a group or summer weekend.
Yes, staying groups can use the Beach Building changing area and compressor by prior arrangement, but capacity is controlled and not a walk-up service. Official information asks for cylinder fills to be booked at least one month in advance. Coordinate accommodation, boat support, compressor access, baggage, food, and emergency planning as one expedition package. MS Oldenburg carries dive equipment for a separate published fee, while the winter helicopter does not carry dive gear. Electricity may be unavailable after midnight and mobile service is intermittent, so bring spares, power banks, printed plans, and critical personal equipment rather than depending on island replacement or connectivity.
Lundy has no visitor recompression chamber, and official dive information identifies Plymouth as the nearest recompression location. For suspected decompression illness, serious injury, or a missing diver, call 999 or 112 and request Coastguard or ambulance coordination as appropriate. Do not self-transfer to a chamber unless emergency professionals direct it. Provide first aid and high-concentration oxygen within training, record dive profiles and symptom timing, and keep computers and gas details available. Insurance should explicitly cover the planned depth, cold-water boat diving, evacuation, recompression, and trip interruption because remote logistics can be more consequential than the initial treatment cost.
Spring through mid-summer is the useful general window for puffins and other breeding seabirds, although exact arrival, nesting success, and departure timing vary each year. Grey seal numbers rise around the late-summer to autumn pupping period, broadly August to October in the official seal material, with wider swimming guidance emphasizing sensitivity into November. Neither sighting is guaranteed. Use binoculars and designated viewpoints for birds, stay at least 100 m from seals on land, and follow all closures. Wildlife timing should shape respectful observation, not justify approaching nests, pups, or haul-out sites more closely.
Do not remove or add marine plants, animals, shells, geology, or wreck objects. The east-coast No Take Zone prohibits extractive activity, spearfishing is banned across the protected area, and Knoll Pins has a 100 m no-anchor and no-shot-line buffer. Iona II and Gull Rock require protected-wreck licensing. Keep at least 100 m from hauled-out seals, pups, and nesting birds; never touch, feed, chase, follow, surround, or use toys to provoke seals, and avoid flash. Use moorings where directed, secure equipment, maintain buoyancy, and obey current warden notices and seasonal route restrictions.
Lundy can be rewarding for qualified cold-water freedivers seeking shallow kelp and wildlife immersion, but it is not documented as a reliable depth-training hub. Strong tides, boat traffic, cold water, and changing visibility require a dedicated trained buddy, one-up one-down supervision, clear boat support, and conservative site boundaries. June to September offers the best chance of warmer water and regular marine operations. Ask the operator explicitly whether breath-hold diving is allowed and how the group will be marked. Never freedive alone, never hyperventilate, and be ready to convert the day to snorkeling when current or surface chop reduces control.
Allow at least three nights on the mainland for a single charter ambition, giving one primary water day and one flexible fallback. Five to seven nights are better for two charter attempts, a Lundy passenger day or island stay, and meaningful time in Exmoor, Hartland, Woolacombe, or the Valley of Rocks. A one-night dash leaves the entire trip exposed to one weather decision. Divers should also avoid scheduling a long drive or flight immediately after demanding or decompression diving. Treat the confirmed boat day as the moving center of the itinerary, then place refundable mainland activities around it rather than fixing every hour in advance.