Pillar Point Harbor Entrance Foghorn is No Longer Automated; Must Now be Mariner Activated When Visibility Drops Due to Fog: VHF Channel 83A, Key Mic 6x to Trigger Sound

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PRESS RELEASE. From the San Mateo County Harbor District on October 13th, 2026.

Navigating the fog? Pillar Point is a coastal safe harbor with a dedicated @uscg foghorn for our boating community.

To reduce noise pollution on land, the Coast Guard replaced the old 360-degree foghorn and it no longer sounds automatically. When visibility drops, boaters must manually activate it.

✅Tune your VHF radio to channel 83A
✅Key your microphone 6 times to trigger the sound signal

This awareness is key to preventing boating incidents and accidents.

Come stop by the Pillar Point Harbormaster’s Office for a free sticker for you boat with these instructions from our Harbor Patrol team!

The foghorn at Pillar Point has guided our local fleets since the 1970s. Maintained and operated by the U.S. Coast Guard, we are committed to safeguarding this resource and keeping our harbor safe and accessible for all!


More on Pillar Point Harbor’s Foghorn Evolution on Coastside Buzz

Half Moon Bay History’s Coastside Chronicles ~ “The Pillar Point Harbor Foghorn ~ Can You Hear It?”;

Pillar Point Harbor Fog Horn Shore Directed Sound Reduction Project Needs Your Feedback;

The CoastGuard is Seeking Data on the Effectiveness of the Pillar Point Harbor Entrance Light and Sound Signal (aka Foghorn);


More on the San Mateo County Harbor District on Coastside Buzz



San Mateo County Harbor District Board Meetings ~ 3rd Wednesday @ 10:00am
Watch in person at 504 Avenue Alhambra, Ste. 200 El Granada or remotely with remote comment and questions by email.

Harbor District Agendas and Remote Meeting Links

2026 Board of Harbor Commissioners Contact Information:
To email the entire Harbor Commission, click here.

George Domurat ~ District 2, Position: President, Term: 2022-2026 Email: gdomurat@smharbor.com

Virginia Chang Kiraly ~ District 5, Position: Vice Chair, Term: 2024-2028 Email: vchang-kiraly@smharbor.com

William Zemke ~ District 1, Position: Secretary. Term: 2024-2028 mail: wzemke@smharbor.com

Kathryn Slater-Carter ~ District 3, Position: Secretary, Term: 2022-2026 Email: kslater-carter@smharbor.com

Tom Mattusch ~ District 4, Position: Treasurer, Term: 2024-2028 Email: tmattusch@smharbor.com

District Office: 504 Avenue Alhambra, Ste. 200,  El Granada, CA 94018   
Mailing Address: PO Box 1449, El Granada, CA 94018   
Phone: (650) 583-4400 Fax: (650) 583-4614

Commissioners (from left): Bill Zemke, Tom Mattusch, George Domurat, Virginia Chang-Kiraly and Katherine Slater-Carter

Pillar Point without the harbor.

mdrag
Author: mdrag

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