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Cook Inlet tides at Anchorage — NOAA Station 9455920
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MUDFLAT DANGER — Do Not Walk on Cook Inlet Mudflats
Glacially-derived silt acts like quicksand. Combined with tidal bores up to 40ft range, people have died here. Stay off the mudflats always.
Today's High/Low Tides — Anchorage
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Tomorrow's High/Low Tides
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Cook Inlet — One of the World's Most Extreme Tides
40 ft
Maximum tidal range
6 hrs
High to low tide time
20+ mph
Tidal bore speed
Cook Inlet's funnel shape amplifies tidal energy dramatically. At low tide, vast mudflats expose across Turnagain and Knik Arms. The tidal bore — a wave moving upstream as tide rushes in — can travel faster than a person can run.
Data: NOAA Tides & Currents, Station 9455920 (Anchorage). Full station data →