Richardson Bay Algae Makes News

On Saturday, May 9, the popular NBC Bay Area show Open Road will air a segment on harmful algal blooms in San Francisco Bay that will feature photos from a Floating Times report of a massive algae bloom in June, 2020. The episode follows scientists from the San Francisco Estuary...

Encouraging News From Flood Zone 3 Advisory Board

Blaise Simpson and Jung Vu from Gate 6 ½ attended the April 14 meeting of the Flood Zone 3 Advisory Board at the Marin County Civic Center. They were the only members of the public present, along with District 3 Supervisor Stephanie Moulton-Peters and her aide, Jennifer Imbimbo. Here’s her...

New App Gets Tides Right

Gate 6 ½ resident Jung Vu has launched a new app that provides more accurate local tide projections than have ever been available before. MarinFlood provides real-time and future tidal water levels for flood-prone locations in Southern Marin. This ad-free utility combines official NOAA astronomical tide predictions with proprietary forecast...

Finding My Roots in Carbon

For Michael Konrad of South 40 Pier, science is personal. Here’s a memoir about his student days at the dawn of the nuclear era: As people age, they often think about the past, their roots. Finding Your Roots is a popular PBS television show in which Henry Louis Gates Jr....

County Hits Reset on Flood Control Plans

  The  Advisory Board of Marin County’s Zone 3 Flood Control District, meeting after the king tide flooding early in  January, advised flood control staff to go back to the drawing board for the District’s project to pump flood water from Marin City into the Bay and to study ways...

RBRA Reports Progress

On January 13, the Richardson Bay Regional Agency (RBRA) announced that just five boats remain on the anchorage due to the agency’s temporary housing support program. And the agency’s goal of 15 new acres of eelgrass has been nearly met, two years ahead of schedule. RBRA Board Chair Jack Ryan...

A Perfect Storm Floods the Waterfront

The San Francisco Chronicle reported on Monday that the new year started off with the highest tides of the century, swollen even further by a confluence of meteorological conditions. As the paper put it, “The trifecta of a super moon, an incoming storm system’s strong winds and heavy rains resulted...

King Tides Return January 1-3

  Seasonal king tides are expected starting New Year’s Day. Predicted king tide dates in Marin, according to the San Francisco tide gauge (chart below): Thursday, January 1 – peak tide @ 8:41 a.m. (7.0 feet) Friday, January 2 – peak tide @ 9:34 a.m. (7.2 feet) Saturday, January 3...

Global sea levels

My last post in these pages described the process of finding the mean sea level at Sausalito with twice daily high and low tides averaged out. Now let’s drift out the Golden Gate and turn North ten or twenty miles to expand our view of the ocean surface. Current flowing...

More King Tides on the Way

The last king tides of winter will roll in on January 2-4 in conjunction with a full moon on Saturday, the 3rd. Consult the interactive tide chart in the Floating Times for specific times and water levels. These extreme tides offer planners a preview of how climate change may reshape...