Bucking an ebb tide is never fun, especially one that is moving against you at 4.4 knots.
At Race Rocks:
2016-05-14 Sat 3:55 AM PDT -4.4 knots Max Ebb
2016-05-14 Sat 5:34 AM PDT Sunrise
2016-05-14 Sat 8:00 AM PDT 0.0 knots Slack, Flood Begins