Dyer Rocks
Protected Area
Kellett Bluff Voluntary No-take
Why dive here
With 35+ marine species recorded in the area - including humpback whales, orcas and seals & sea lions - Dyer Rocks offers some of Pacific Northwest's richest pinnacle diving. Water ranges 7-17°C, warmest July, August, September.
Dyer Rocks isn't your average Pacific Northwest dive. It's a proper pinnacle, rising from the depths, and the current can really rip here, so pick your slack tide window carefully. When it's calm though, it's one of our favourite spots for a reason. The walls are just covered in life; think massive colonies of sunflower stars crawling over every surface, and the most vibrant green sea urchins tucked into crevices. We’ve seen California spot prawns hiding in the cracks, their eyes glinting in the torchlight, and the roughpatch and horned shrimp are everywhere if you slow down and look closely. We love the feeling of being out in the open, even if it's only a boat ride from shore. Keep an eye out into the blue; we’ve had dogfish cruise past us here, and while rare, Orca have been sighted on occasion. This is a dive for those who appreciate the robust, unapologetic beauty of cold-water ecosystems and don't mind a bit of a current for the reward. It’s a site that feels wild and untamed, offering a glimpse into the raw power of the Pacific.
Safety Notes
Cold water this month (avg 11°C). Drysuit or thick wetsuit (7mm+) recommended.
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Conditions
Ocean conditions, forecast and tides for Dyer Rocks
Dyer Rocks Ocean Conditions
Monthly averages for Dyer Rocks, sourced from NOAA NDBC + Copernicus Marine (EU) - nearest station: 9449880 - Friday Harbor, WA (27km away)
October Averages
Sea Temperature
11°C
53°F · Range: 9.6–11.4°C
Air Temperature
11°C
51°F
Current Speed
3.16 cm/s
Direction: E (108.4°)
Salinity
23.61 PSU
Wind Speed
1.8 m/s
3.5 knots
Atmospheric Pressure
1018.3 hPa
Based on 5 years of monitoring data · Data sources: NOAA NDBC + Copernicus Marine (EU)
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