As a meteorologist, I can say without hesitation that discontinuing this dataset would be another significant blow to my science, just like the cuts to the NWS that have caused adverse impacts to the radiosonde (weather balloon) network.
At a time when ocean temperatures are smashing records and scientists are still trying to understand how fast the system is shifting under climate change, they are talking about scrapping a 368 million dollar early warning network that has ALREADY BEEN PAID FOR by tax payers.
This is not just a few sensors in the sea. It is a network of ~900 instruments measuring temperature, currents, carbon, chemistry and ecosystem change. It was designed to deliver long term data over decades.
This would effectively end key long running records and that matters because ocean data only becomes powerful over time. You cannot rebuild a continuous climate record once it is interrupted.