The Center for Operational Oceanographic Products and Services (CO-OPS) site offers operational data in near-real time and historic contexts. Focus is on tides and currents but also includes information on harmful algal blooms and weather, etc. Data access is made possible through geopspatial web interfaces as well as OPeNDAP services, etc.
re3data.org: Center for Operational Oceanographic Products and Services;
editing status 2019-03-11;
re3data.org - Registry of Research Data Repositories. http://doi.org/10.17616/R3DS5B
last accessed: 2020-07-03