Harbour Reefs
Why dive here
With 58+ marine species recorded in the area - including blue sharks, blue whales, humpback whales, orcas and seals & sea lions - Harbour Reefs offers some of Alaska's richest reef diving. Water ranges 5-15°C, warmest July, August, September.
We're talking Alaska diving here, so forget your tropical expectations. Harbour Reefs delivers kelp forests that sway with the surge, creating a dramatic backdrop for the hardy creatures that thrive in these cold waters. Think giant Pacific octopus tucked into rocky crevices and colourful nudibranchs crawling across the fronds. This site is for those who appreciate the unique, rugged beauty of temperate diving.
Safety Notes
Cold water this month (avg 11°C). Drysuit or thick wetsuit (7mm+) recommended.
Reviews for Harbour Reefs
Conditions
Ocean conditions, forecast and tides for Harbour Reefs
Harbour Reefs Ocean Conditions
Monthly averages for Harbour Reefs, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (57, -135.4) (0km away)
October Averages
Sea Temperature
11°C
51°F · Range: 8.5–12.8°C
Air Temperature
8°C
47°F
Wind Speed
6.44 m/s
12.5 knots
Atmospheric Pressure
1007.9 hPa
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data
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