[e_engineer]

The image below is the latest NOAA Infrared image of the North Pacific. There does not seem to be anything unusual in the ocean surface temperatures:

If the heat from the underwater volcanic activity did reach the surface, it should create a warm plume that follows the local currents shown below:

[BurbankKarl]

What about that little plume leaving the west edge of Washington State?

[rwfromkansas]

that won't show anything. You have to look at the SST maps.