San Francisco Bay Weather and Currents and Tides
2.21.2013

Sunrise 0651, Sunset 1755

Thursday: Mostly sunny, with a high near 61. Light and variable wind becoming west 5 to 10 mph in the morning.

Here’s a direct link to the National Weather Service forecast.

Tides, currents, astronomical stuff and a lovely disclaimer from http://tbone.biol.sc.edu/tide/sites_uswest.html

2013-02-21 01:02 PST -1.71 knots Max Ebb
2013-02-21 03:57 PST Moonset
2013-02-21 04:21 PST 0.00 knots Slack, Flood Begins
2013-02-21 06:51 PST Sunrise
2013-02-21 07:13 PST 2.26 knots Max Flood
2013-02-21 09:57 PST -0.00 knots Slack, Ebb Begins
2013-02-21 13:10 PST -3.86 knots Max Ebb
2013-02-21 14:18 PST Moonrise
2013-02-21 17:14 PST 0.01 knots Slack, Flood Begins
2013-02-21 17:55 PST Sunset
2013-02-21 20:22 PST 3.12 knots Max Flood
2013-02-21 23:20 PST -0.00 knots Slack, Ebb Begins

NOT FOR NAVIGATION. This program is furnished in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of merchantability or fitness for a particular purpose. Do not use this program as a basis for any decisions that could result in harm to people, other organisms, or property. Check these predictions against officially sanctioned tables. Agencies like NOAA exist because there is a need for certifiably correct tide predictions. Do not rely on these predictions if you need guaranteed results. There is NO WAY we can get certified data on a zero budget. We rely on users like you to tell us when something is wrong. Please continue to do so.
Remember that weather conditions affect tidal ranges and current speeds, sometimes very strongly.