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Scuba diving at Alki Pipeline in Seattle
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Alki Pipeline

GREAT
SeattleShore
About This Site
One of Seattle's most famous dive sites, featuring a large pipeline that creates an artificial reef. The site is known for its abundant marine life and is a favorite among local divers.

Difficulty

Intermediate

Max Depth

18m

Type

Shore

Typical Visibility

5m

Conditions Summary

Best time today

6AM - 12PM

GREAT

Best day in forecast

Thursday

GREAT

2026-02-19

Community-reported visibility

n/a

Warnings for today

None

Northwest-facing site on Elliott Bay. Ocean swell doesn't reach this far into Puget Sound—conditions are entirely wind-driven. North through northwest winds build chop across the open bay, while the West Seattle peninsula blocks east through south winds.

NNEESESSWWNW
Protected
Partially Exposed
Exposed
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