Imrie Island
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 - Imrie Island offers some of Pacific Northwest's richest shore diving. Water ranges 7-17°C, warmest July, August, September.
Imrie Island has a quiet magic about it, a subtle beauty that often gets overlooked for flashier Pacific Northwest spots. We've spent many a dive here, finning through the dappled light filtering down to a seafloor thick with green anemones and plumose giants. It's not a riot of colour like tropical reefs, but rather a study in texture and movement, where you’ll spot huge Dungeness crabs scuttling past plainfin midshipmen tucked into rocky crevices. Our favourite time to dive Imrie is on a slack tide, specifically early mornings when the light is softer and you feel like you have the whole place to yourself. Keep an eye out for the big skates gliding across the sandy patches, and if you’re lucky, you’ll catch the tail end of an eulachon spawn, a silver cloud that truly has to be seen to be believed. We’d suggest this site for divers who appreciate the subtler side of cold water diving, who are willing to slow down and really observe the intricate life teeming beneath the surface. It's a proper Pacific Northwest dive, moody and rewarding.
Typical Imrie Island Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
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 Imrie Island
Imrie Island Ocean Conditions
Monthly averages for Imrie Island, 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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