Can You Dive in the Pacific Northwest?
Christie Davis Oct 21, 2026
Can You Dive in the Pacific Northwest?
Short answer: yes. Longer answer: yes, and it's not what most people picture when they think of scuba.
There are no turquoise shallows here. There's cold, green, interesting water, and a lot to see if you're prepared for it.
What the water is really like
Divers Alert Network (DAN) describes Oregon's coast as exposed and unpredictable. Expect surge, wave action, and currents.
Coastal water temperatures run from the upper 40s to the upper 50s Fahrenheit, depending on the season, the spot, and upwelling. Visibility is usually 5 to 15 feet, with up to 40 feet on a good day. Offshore reefs tend to be clearer than nearshore sites and river mouths.
There's no true dive season on the coast. DAN says good or bad conditions can show up any time of year, though spring through fall usually gives you more dive days per month.
That's honest, and it's the reason local training matters.
It's not all coast
The Northwest has more than one kind of diving. Scuba Diving magazine highlights Oregon's clear spring-fed lakes, where visibility can top 100 feet. It also points to Puget Sound, a bit over two hours north of Portland by car, as a rich dive area reached by charter boat.
The same article notes that drysuits are needed for the clear springs, while 7 mm wetsuits with a hood and gloves can be enough on Puget Sound charters.
What you need to dive here
Good training. Learning in cold, lower-visibility water teaches skills that carry over anywhere. If you can handle it here, a warm-water trip feels easy.
The right exposure protection. A drysuit or a thick wetsuit with hood and gloves. Which one depends on where and when you're diving.
Gear that's been maintained. Cold water and current are hard on regulators and drysuits. We service them here in the shop, so you're not mailing gear away.
Patience. Scuba Diving magazine's advice for the Oregon coast is simple: don't force it, and have a backup plan if conditions aren't right.
How to get started
Astoria Scuba is a NAUI Pro-Platinum training facility, and we teach in real Pacific Northwest conditions. You can start with our Open Water Diver certification. Once you're certified, there's a drysuit specialty and more under our courses.
Have questions about where to start? Call us at (503) 741-3070 or stop by 1442 Commercial St in Astoria.
