0600: Center opens
0715: mandatory skipper's meeting
0745: start launching shells
0830: first group of boats start
1130 (aprox): barbecue

Predicted tide levels at Sausalito:
low of -0.3 ft at 0640
high of 4.4 ft at 1319

Prediced tidal currents at the Golden Gate:
slack at 0840
flood of +3.0 at 1118