 Highs for today in Eureka and McKinleyville will be around 63 degrees. Arcadis looking at a high of 66 today and Fortuna will be checking in with a high of 68 degrees. Taking a look at the tide charts for today, high tide was super early this morning at 5.23 a.m. The tide is currently falling with low tide expected to be at 11.39 this morning. High tide later today will be occurring at roughly 6.32 p.m.