CaptainsLog
Logs ship speed, wind, and heading to CSV while you sail, plus a live HUD - empirical data for comparing ship speeds instead of guesswork.Changelog
1.1.0 — 2026-09-20
- Install it on a dedicated server to log everyone's sailing. The server writes one CSV,
BepInEx/CaptainsLog/shiplog-server-<timestamp>.csv, with a row for every ship that has someone at the helm or its sail or oars engaged. Speed is the velocity the sailing player's game reports, not the server's estimate. - New
Playercolumn (second, afterTimestamp) in both the client and server logs. On the server it names the helmsman, or whoever's game is running the ship when nobody is steering. - HUD shows ship speed in knots by default, with a
Speed Unitssetting for m/s or both. - The wind line says where the wind comes from relative to the ship (
Wind: 39% from starboard quarter) instead of a bare@ 24°.Show Wind Angleturns that part off. Wind stays a percentage, because Valheim wind has no speed. - HUD sits under the hotbar by default, including AzuExtendedPlayerInventory's quick slot row, instead of on top of it. New
Positionsetting:BelowHotbar,Centered(beside the ship's rudder icon, like Ship Stats) orTopLeft.Offset X/YbecameNudge X/Y, relative to that position. The HUD now has a dark background (Background Opacity) and hides with the rest of the HUD. - HUD lines are clearer:
Sail: Full, 73% efficientappears only while the sail is up (Oars: Forward/Reversewhile rowing), andRudderappears only while the rudder is turned. - HUD's first line names the ship (Karve, Longship, or a modded ship's name).
Show Ship Namehides it. Rudder(HUD and CSV) is now the rudder's position, -1 to 1. It used to be that frame's steering input, which read 0 unless a key was held.- No longer limited to
valheim.exe, so it loads on Windows and Linux dedicated servers. Clients need nothing new.
1.0.0 — 2026-09-09
First public release, built for Valheim 1.0.7.
- Logs a CSV row while you are aboard a moving ship (default twice a second): timestamp, ship, position, biome, speed in m/s and knots, throttle, propulsion mode, rudder, heading, relative wind angle, sail efficiency, wind intensity and direction.
- One CSV per session in
BepInEx/CaptainsLog/. - Small HUD, visible only aboard a ship, with live speed, wind and sail efficiency.
- Sample interval, HUD offsets and on/off switches are configurable.


