Celestial Reef
Why dive here
With 58+ marine species recorded in the area - including blue sharks, blue whales, humpback whales, orcas and seals & sea lions - Celestial Reef offers some of Alaska's richest reef diving. Water ranges 5-15°C, warmest July, August, September.
Celestial Reef in Alaska offers cold-water diving for experienced drysuit divers. Expect to see colorful anemones, sponges, and various rockfish clinging to the reef structure. The conditions here can be challenging, with strong currents and lower visibility common, so it's best suited for those comfortable with such environments. Dive planning is key, as conditions shift quickly.
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 Celestial Reef
Celestial Reef Ocean Conditions
Monthly averages for Celestial Reef, 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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