Currents in Hauraki Gulf during Americas Cup 2003 |
| Other Races: Sydney to Hobart 2002 DCNAC (Atlantic Challenge) |
| At "Local Knowledge" we develop detailed current models for racing worldwide, including ocean currents and coastal (tidal) current predictions. Our models can be utilized with a broad range of tactical and navigational software for the PC, including popular third-party programs by MaxSea, Deckman and Raytech. Contact us for Details |
| During the 2003 Americas Cup, we will be posting current predictions for each day on this page. |
| LK-predicted Currents for February 24, 2002 in Hauraki Gulf at 1600 hours (local daylight time), about 50 minutes before maximum ebb (green vectors). The solid blue lines are zero-current laylines, assuming wind from at 8 knots from 350degT. The magenta dots show current-corrected laylines. The Force 4 "best tack" computation shows that tacking on starboard to the port layline and then to the mark is 55 seconds faster than first tacking to the starboard layline, a huge difference in a race in which boats are often 10-15 seconds apart. In the absence of current, or in a constant current, each way would take the same time. |
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