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Tidal Data in Alameda, CA

Boating In Tidal Waters


Find Out What You Need For Your Boat!

Link to Sierra Division 11 News & Media Blogs

Nun Buoy

Aids to Navigation are important markers of safe water for boaters entering a channel. more information...
Get A Vessel Safety Check

Take A Boating Class!

Best of the Web 2009

The Sierracgaux.org Web Site was awarded 1st place in the Division Class for Coast Guard Auxiliary District 11N at the annual District Training Conference held in Rohnert Park, CA.

Trans Tahoe Swim 2009

Every year a dedicated group of swimmers takes on Lake Tahoe, swimming its width. These swimmers do not use wet suits! They swim in relay with support boats at their sides. The Coast Guard Auxiliary and Coast Guard provide support boats to protect the swimmers from oncoming boats and other hazards.

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