In a perfect world scuba divers would hop into the water, do their dive, surface a few feet from the boat and climb back in. Life would be grand and we wouldn’t need to think twice about boat traffic, excessive swells or underwater emergencies.
But the reality is accidents happen, and when they do, time is most often of the essence. When you surface after a dive it’s important to be seen.
A surface marker buoy (or SMB) is a simple air filled device that floats on top of the water. It is used to attract attention and mark your place while submerged.
A surface marker can take many different shapes and forms, each one dependant on where they are being used and what they are required for. For scuba diving, there are two different types of surface marker buoys; a permanent surface marker buoy and a delayed surface marker buoy.
A permanent surface marker buoy is a buoy that is inflated at the beginning of the dive and remains on the surface of the water during the entire scuba adventure. While you are scuba diving, the buoy gets towed along the surface marking your position underwater and keeping boats away.
Permanent surface markers are typically red and white to stand out against the water and to match the diver down flag color. The marker can be round or torpedo-shaped, often with a ballast section that can hold some water to maintain stability.
A delayed surface marker is a marker that divers take with them underwater on their dive. Attached to the marker is a reel or spool from which scuba divers can deploy the marker, during the ascent, to indicate their positioning at the surface. Delayed surface markers are long and tube-like in appearance and come in a variety of bright, flashy colors such as orange, red, yellow.
Unplanned issues can occur on any dive and when they do, it’s important to be seen at the surface. Whether you use a delayed surface marker buoy or a permanent surface marker, both are very practical because they;
It’s one thing to have a surface marker on hand, it’s another to know how to properly inflate and use it. If you’re lucky, during one of your scuba diving courses, your instructor will have taken the time to teach you how to use and deploy a surface marker.
As easy as it is to read about how to deploy a surface marker both from the surface and while at depth, nothing compares to actually getting out in the water and actually trying it out. Remember practice makes perfect.
Having at least a rolled up delayed surface marker in your BCD pocket is a good thing for every diver to have, however there are some circumstances where having a surface marker just simply isn’t feasible.
For example, having a surface marker while diving in an overhead environment is not very practical. Cave diving or ice diving both typically have scuba divers enter and exit from a single spot, and more often than not there are no boats involved. In these instances, having a surface marker is counter intuitive and sometimes more of a hazard.
Use your common sense, when it comes to deciding whether to dive with a surface marker. Consider things like: What if a problem arises and you need to come up earlier than expected? What if the current picks you up and you are too far away from the boat? And above all, make sure you’re not compromising your safety by diving with a surface marker.
Surface markers are not the be all end all of scuba diving, but sometimes a dive just doesn’t go according to plan, and having a surface marker can be the difference between ending things unscathed or winding up on the 5 o’clock news.
Dive safe everyone!
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Bare SB System Mens Full Under-layer
Black scuba diving turtle fins
Flexible Lightweight Portable Tripod for Projector DSLR Cameras and Go Pro
Compact scuba diving finger spool with 150ft of white line and a 4-inch brass double-ended clip
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Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Canon Digital DSLR Camera + 32GB Memory Card + Photo4Less Cleaning Cloth.
Compact underwater scuba diving hand reel with a 150ft of white line on the spool
Bare 7mm thick elastek dry suit hood
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3PC curved armband glow in the dark slate.
GoPro dual battery charger conveniently charges two HERO6 Black, HERO5 Black, or HERO camera batteries simultaneously
Reusable scuba diver tea infuser for use on loose teas. Easy to fill, empty clean and dishwasher safe. Tea infuser comes with a silicone raft drip tray.
AmazonBasics 60-Inch Lightweight Tripod and Bag with adjustable-height legs and rubber feet
The Sony SEL90M28G FE 90 mm f/2.8-22 Macro G OSS Standard-Prime Lens for E (NEX) Cameras.
A one-piece dive hanger construction for strength and durability with non-corroding plastic resin. The hanger can support up to 20 pounds.
Capture amazingly smooth shake-free video with the GoPro Karma Grip
Black Mares Cruise Roller Tauchen bag, perfect for scuba diving and traveling
Ikelite Canon EOS 100D Rebel SL1 underwater camera housing in white
Bare Sports 5mm men’s wetsuit made with elastek full-stretch nylon-2 and neoprene celliant liner infrared technology.
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Bare 5mm evoke women’s full suit designed by Bare’s all-female design team. The suit has technically, innovative celliant infrared technology which increase circulation, body warmth and performance.
DUI heavy duty dry suit gloves with yellow liners available in sizes: S, M, L, XL
This new second edition of The Great Lakes Diving Guide is the most comprehensive guide ever written about exploring Great Lakes shipwrecks.
Mini blue scuba diving tank key ring with brass pick tool and o-rings
Scuba diving 4ft neon yellow surface marker signal tube with “Diver Below” print
Reef Safe SPF 30 sunscreen for protection against broad-spectrum UVA and UVB.Water-resistant for 80 minutes of swimming or activity. It contains our potent antioxidant blend of Green Tea, Tulsi, Wakame and Olive Leaf.
The dive guide Bonaire is a comprehensive dive guide for use by divers and snorkelers at all skill levels. It describes more than 100 dive sites along with underwater maps and stunning photographs. This all-inclusive dive guide is your handbook for endless diving and snorkeling enjoyment.
Dry glove lock system that accommodates all hand sizes
Dive hands-free with a diving flashlight glove. This torch holder has a universal adjustable wrist strap scuba and is made of superior nylon material, which means it’s durable and comfortable to wear.
A 16″ x 16″ sequins blue mermaid decorative throw pillow cover. Perfect for the sofa, chair or bed. The cover does NOT come with a pillow insert.
Suunto Vyper Novo wrist scuba diving computer with USB
Bare drysuit trek boots designed for rocky shore entries, boat decks, and boat ladders
Aveeno zinc oxide mineral sunscreen with SPF 50. An environmentally-friendly sunscreen that is oil-free, fragrance-free, hypoallergenic and water-resistant.
Ikelite compact ball arm for quick release handle
Ikelite underwater macro lens casing is comprised of an acetyl body with glass front and can hold lenses of 4.37 diameter x 3 inches (111 x 76 mm)
Rechargeable Ikelite NiMH battery pack compatible with Ikelite’s DS125, DS160, and DS161 strobes.
Ikelite TTL dual flash sync cord attaches two strobe’s to the underwater camera housing.
13-inch inflatable dive buoy with a 12 by 11-inch scuba diving flag surface marker
Canon EF 70-200mm f/4.0 L USM Telephoto Zoom Lens
Sony Alpha a6500 24MP mirrorless camera with a 16-50mm lens, able to shoot 4K movies.
Ikelite photography strobe DS161 with NiMH rechargeable battery pack
Diving lens filter kit for GoPro HERO 5/6 which enhances colors for underwater video and photography conditions
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Canon Macro Lens EF-S 60mm f/2.8 USM – non Image Stabilised
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The waterproof scuba diving egg helps keep valuables dry while in the water. The egg is suitable for storing sunglasses, car keys, money and etc.
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An elegant lead-free wine glass with a shark figurine anchored inside. The perfect gift for wine and shark lovers everywhere.
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