0700: Center opens
0745: mandatory skipper's meeting
0815: start launching shells
0900: first group of boats start
1130 (aprox): barbecue

Predicted tide levels at Sausalito:
low of 1.9 ft at 0414
high of 4.7 ft at 0952

Prediced tidal currents at the Golden Gate:
flood of 2.1 knots at 0811
slack at 1100