Post by iconPost by mcmgj | 2018-01-12 | 19:52:48

Wind difference between VR and zezo (about 6°) in 4 nds Zone near 01°30' N 150 25' Est,

so routing is false ....

commenticon 5 Comments
Post by iconPost by toxcct | 2018-01-12 | 21:34:35
No Guy, don't confuse the wind displayed (which is ony true every 3 hours), and what the router actually knows on the server...
Post by iconPost by YourMomSA | 2018-01-12 | 23:31:16
When new GFS is introduced, it takes time for Zezo's interpolation of the new data to align with the game's. When changes are minor, the differences are minor. But when they're major (such as in the doldrums), it can take an hour or more before Zezo matches the game. During that time, you really have to think carefully about what you're seeing in each place and adjust accordingly (or be patient) rather than making snap decisions.
Post by iconPost by zezo | 2018-01-12 | 23:55:25
Yes, quite a difference in the doldrums sometimes, up to 10 degrees (with 4 knots boat speed, of course)

The idea is to sail in the intended direction, because in 1 hour the wind will get in sync and you'll be on the projected track.

Unless it's outside of optimum VMG range or involves few sail changes and so on.
Post by iconPost by ZW11 | 2018-01-13 | 01:34:51
I can confirm the difference of up to 10 degrees and more - with 4 knots wind speed. At the moment I'm trying to find my way through the light winds at 0° N 41' 52'' 145° E 16' 06''.

Suggested routing is:
Wind: 28° ; 4.0 kts (TWA 75°)
HDG: 311°
Boat speed: 7.08 kts

Actual situation is:
Wind: 41° 4.0 kts (TWA 90°)
HDG:311°
Boat speed: 7.7 kts

So everything is cool...

Post by iconPost by zezo | 2018-01-13 | 09:32:02
I'll see what I can do for the next VOR and Clipper legs as we'll be sailing the same seas one more time in both races.
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Island's coordinates
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Tara Ocean 4
6
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Solo Maitre Coq
21
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Adjustable timeshift ?
3
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gate crossing question
7
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Expanded View on PC
3
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Panic at VR Nord
7
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Delays during the sail changes, or directions changes
3
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(Game wind = Zezo wind ) ⍯ (Grib winds = Windy.com)
7
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VR ending the ELO ranking.
34
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NMEA feed
128
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Dashboard Map Track Label not including the segment.tag
5
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VR ingame time
6
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VIRTUAL REGATTA and Phillip Ganier. Worst and worst every day...
7
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beta.realsail.net
2
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Escort Frigate
6
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Out of memory. If you are the developer of this content ....
17
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Question about GFS Grib
5
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RORC Caribbean 600
14
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sliding VSR
16
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Trying to use Zezo to select best combination of sails to select
7
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TARA OCEAN 3
9
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RORC Transatlantique Race
6
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Game appears stuck on 00Z weather from yesterday
4
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Sydney to Auckland
28
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Personal Message pages deleted
7
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New zezo fonction
2
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VR Ranking 2021
7
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Autosail malfunction
3
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Comments from a newbie to "long term" routing
1
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Massive thanks to Cvetan
7
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Fleet section mode record not working
2
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Possible routes on the Map tab
3
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Purple skippers on VR Dashboard
3
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UTC or CET time ?
2
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multiple routes?
2
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Real Sail
4
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Map a little gloomy
8
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Trophée Jules Verne - Route à l'envers ?
2
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Looks like weather updates offline for next 18h
26
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Bring the good old days back
7
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All.grib 0.0k ?
9
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different speed
3
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Strange 0.5 mille VR Scale
3
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Just an idea for a new feature...
7
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Connexion impossible
1
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Donations
7
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New leader - seems to be using Zezo
38
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Bravo Zezo
4
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zezo : Huge job - Huge thx
2
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Difference between boat speed display on VR, dashboard and polar curves
7
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Vendée Globe: Track lines falling too short of ischrones
8
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Tara Ocean
29
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VR winds currently not up to date ?
1
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"Sails Change" within the Programming
3
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RORC Transat finish moved to Antigua
3
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Weather update not appearing...
19
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Dashboard not updating.
6
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Boats Skins Vendée Globe
3
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Safari on iOS: Bearing lines gone
3
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Wrong coordinates in zezo
2
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Winds in the chart do not show changes between 78 hours and 114 hours forecast
2
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Decoding of All grib
6
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I CANNOT ENTER FOR 3 HOURS IN THE GAME
23
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Why the vc data is yellow underlined ?
3
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Jules Verne 2020 - "Start NOW" discrepancy VS real time
7
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Would like to know the reasenable time to update your pisition on zezo
16
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Arrival Vendée Globe in Normandy !!?
4
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MIssing the Obvious: How to get Zezo routes back into VR
2
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VG 2020-01-02 has Zezo a problem with geographic or ...
8
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How to retrieve a waypoint (TWA/HDG) that already passed...
16
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Track duration window
3
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Ways to bypass the client to give orders?
6
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Problem to Load zero route in windy.com
40
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French tutorial for zezo
4
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boat positioning
2
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Export routes in GPX format ?
4
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Sail selection issue ?
11
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Your friends boats in Google Earth
2
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Delay in Wind update ?N
1
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VR Dashboard
54
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