G.B. Church
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 - G.B. Church offers some of Pacific Northwest's richest wreck diving. Water ranges 7-17°C, warmest July, August, September.
G.B. Church. Now, this is one of those spots in the Pacific Northwest where we’ve found ourselves lingering, sometimes just floating, watching the world go by. It’s not about dramatic drop-offs or massive pelagics here, though we have seen the occasional orca pass through on a good day. For us, G.B. Church is a macro lover’s dream. We often drop in, the current usually a gentle nudge, and settle in for a slow drift. Keep your eyes peeled on the substrate. You’ll find Plainfin Midshipmen hunkered down, their bioluminescent organs sometimes giving a subtle glow. We’ve spent whole dives just combing through the anemones and hydroids, finding Roughpatch Shrimp and those tiny Four-Spined Squat Lobsters clinging on. The sweet potato sea cucumbers are everywhere, their tube feet working overtime. It’s a site that rewards patience, a slow pace, and a keen eye. Bring a good dive light to pick out the colours and textures, especially those vibrant green sea urchins. We love G.B. Church for its quiet beauty, for the intricate lives playing out in miniature right in front of you. It’s a perfect dive for photographers or anyone who appreciates the smaller wonders of the cold water.
Typical G.B. Church Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.
Cold water this month (avg 11°C). Drysuit or thick wetsuit (7mm+) recommended.
Always perform a 3-minute safety stop at 5m before surfacing.
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Conditions
Ocean conditions, forecast and tides for G.B. Church
G.B. Church Ocean Conditions
Monthly averages for G.B. Church, 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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