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Scuba diving guides

Articles on dive skills, certification, dive planning and dive sites.

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Dive DestinationsAugust 14, 20269 min read

Red Sea Diving in Egypt: Where to Go and the Best Time to Dive

Red Sea diving in Egypt by area: Sharm, Hurghada, Marsa Alam and the offshore parks, with sea temperature by month, Thistlegorm depths and local dive rules.

Dive DestinationsAugust 12, 20269 min read

First Liveaboard Guide: How to Choose a Boat and What to Expect

What a liveaboard day looks like, the experience operators ask for, safety and cabin checks, nitrox over a week, seasickness, packing and listed prices.

Dive DestinationsAugust 10, 20268 min read

Where to Dive Each Month: Best Time to Dive by Destination

A 12-month table of where to dive, with the season, sea conditions, water temperature and marine life event behind each pick, plus the ones you can only snorkel.

Training & CertificationAugust 8, 20267 min read

Is Advanced Open Water Worth It? Required Dives and Best Electives

What the Advanced Open Water course involves at PADI, SSI, NAUI, CMAS and BSAC, what the card gets you on a boat, the fair criticisms and which dives to pick.

Training & CertificationAugust 7, 20268 min read

Returning to Diving After a Long Break: Refresher, Medical and Gear

When a scuba refresher is recommended, what PADI, SSI, NAUI and BSAC refreshers include, when to see a doctor, and which gear to service before diving again.

Dive Computers & DecompressionAugust 5, 20268 min read

Apple Watch Ultra for Scuba Diving: What It Can and Can't Do

Apple rates the Watch Ultra for recreational dives to 40 m, but only an app like Oceanic+ makes it a dive computer. Specs, paid plans, gases and limits.

Dive Computers & DecompressionAugust 3, 20268 min read

What to Do If Your Dive Computer Fails During a Dive

Dive computer failed during a dive? The ascent steps makers and DAN give, how long to stay out of the water, why lockouts happen, and backup options.

Dive Computers & DecompressionAugust 1, 20268 min read

Air-Integrated Dive Computer vs SPG: Is Hoseless AI Worth It?

Air-integrated dive computer vs SPG: how hoseless transmitters work, how makers calculate gas time remaining, what happens on signal loss, and the real cost.

Dive Computers & DecompressionJuly 30, 20269 min read

How to Choose Your First Dive Computer: A Buyer's Checklist

A buyer's checklist for your first dive computer: screen, conservatism settings, nitrox, air integration, battery, gauge-mode lockouts and price tiers.

Dive Computers & DecompressionJuly 29, 20267 min read

How Long Does a Scuba Tank Last? Minutes by Depth and SAC Rate

Minutes of gas for a 12 L, 200 bar tank at 10, 18 and 30 m by SAC rate, the aluminium 80 version, and why the reserve and ascent gas come out first.