Current Calculations, Continued OPNAV  3530/41  (4-73) VEL  OF  CURRENT Ref  Sta  Slack Water  Time Time  diff Local  Sta  Slack 0931 Water  Time Ref  Sta  Max 14.     Enter  the  reference  station  maximum 1246 Current  Time current   time. Time   Diff 15. Enter  the  time  difference  for  slack -0 47 Local  Sta  Max 1159 Current  Time Ref  Sta  Max .6 F Current  Vel Vel Ratio Local  Sta  Max Current  Vel Int Between 1  h  29  m Slack and Desired  Time Int Between 2h 28m Slack and Max Current Max Current Factor Table 3 Velocity Direction Step Action Completed  Strip Form 11. Enter  the  reference  station  slack  water 1012 time. 12. Enter  the  time  difference  for  slack - 0 41 water  from  step  5. 13. Apply  the  time  correction. water  from  step  5. 16. Apply  the  time  correction. 17. Enter  the  maximum  current  velocity. 18. Enter  the  velocity  ratio  for  flood  from step 7. 19. Multiply  the  values  from  steps  17  and 18  to  find  the  maximum  current velocity  at  Sewells  Point. 20. Find  the  difference  between  the  time of  slack  water  and  our  desired  time  of 1100. 21. Find  the  difference  between  the  time of  slack  water  and  maximum  current. 22. Enter  the  value  from  step  19. 23. Enter  factor  table  3  with  the  values from  steps  2  1  and  21.  Note  the  table value. 24. Multiply  the  value  from  steps  22  and 23.  Round  to  the  closest  tenth  of  a knot. 25. Enter  the  direction  of  the  flood  current from  step  9. 1.1 .66 kt F 6 6 .8 528 rounded  to  .5  kt 195° 7-22