Harbor Safety Committee

Bay Area Committees

AIS Vessel Tracking



Physical Oceanographic Real-Time System


php San Francisco Bay Region P.O.R.T.S. >

php Tides & Currents National Website >

Developed by a partnership between the Marine Exchange of the San Francisco Bay Region, the National Ocean Service and the Office of Spill Prevention and Response, P.O.R.T.S. is a 24 hour-a-day program which measures the currents, depth, salinity and wind in San Francisco and Suisun Bays. Measurements are taken every six (6) minutes, available by telephone or computer website. This data is particularly important to the safety of merchant shipping, recreational boaters, ferry boats, wind surfers and the whole range of users of the bays. More details can be found in the PORTS White Paper (pdf).

Data is accessible via phone line at (866) 727-6787 or at the P.O.R.T.S. website. Access is FREE to anyone who needs this information just call or click the link above.

The Marine Exchange maintains the sytem's measurement and reporting network.The P.O.R.T.S. Maintenance Status page shows the status of the system and the progress of improvements.

Bay shipping faces danger lack of funding threatens high-tech system used to safely guide vessels.

pdf P.O.R.T.S. Brochure 541KB .pdf

pdf P.O.R.T.S. Brochure (full) 5.34MB .pdf

P.O.R.T.S. Maintenance Status

Alan Steinbrugge of the Marine Exchange repairs and maintains the P.O.R.T.S. instruments and communications network in the Bay Area. He will be posting regular updates regarding the progress of his work.

If you have any questions or comments, you can e-mail Alan at ports@sfmx.org.

Marine Exchange of the San Francisco Bay Region - Copyright © 2010