In this video message Rachael Dempsey, NOS Deputy Assistant Administrator for Navigation, Observations, and Positioning, shares news on a historic investment in our national ocean observing system to enhance our nation’s coastal resilience.

Yesterday, approximately 500,000 gallons of sewage were released into San Diego Bay due to a pump malfunction. The SCCOOS Plume Tracker (https://sccoos.org/stormwater-plume-tracking/), which is normally used to track the Tijuana River plume, indicates water from San Diego Bay may have been moving northward during the spill, then reversed to the south today. Be sure to […]

The transition to C-HARM v3 is now complete and available at: https://data.caloos.org/#module-metadata/1073bccd-2e20-47e2-9b6d-90b111069443. The CA-Harmful Algae Risk Mapping (C-HARM) generates probabilities of Pseudo-nitzschia, particulate domoic acid, and cellular domoic acid concentrations in California and Southern Oregon coastal waters. This version now uses the NOAA West Coast Operational Forecast System (WCOFS) model.

Tropical storm conditions are occurring over portions of Baja CA peninsula with heavy rainfall and strong winds. Coastal flooding and high winds at Catalina Island and coastal Santa Barbara are likely. This is a large storm with possible impacts well outside of the above plot. This is also a rare event with little historical data […]

Since August 15th the Channel Islands Marine & Wildlife Institute (CIMWI) volunteer team has responded to hundreds of marine mammals suffering from domoic acid poisoning in Ventura and Santa Barbara counties. An event on this scale is unusual for this time of year. CIMWI, a 501 (c)(3) nonprofit organization, would greatly benefit from your support […]

Flooding is possible on Thursday evening as waves from Hurricane Kay begin impacting the area during a high tide. The total water level (waves + tide) is expected to exceed the mild threshold between 7 and 8 PM (above). Note that wave heights on Saturday will be significantly higher, but the tide will be lower […]