Cold Lake SwimmersYear-round open water in the Lithuanian lake district

Zarasai, Lithuania · in the water since 2020

Water °C

Complete · Zarasai

Swim log

Everything written up since 24 March 2024, newest first. The bead beside each entry is the water reading that morning, filled dark for anything under five degrees, which is the line where a swim becomes a dip.

  1. 18.3 °CSwim

    Kit and habits

    Six things in the bag, and the habits that matter more

    The short list of kit that earns its place through a Lithuanian winter, the gear that does not, and the counting habits that matter more than any of it.

    Typed up 25 Aug 2026 · 6 min · 4 parts

  2. 5.1 °CShort swim

    Water temperature

    Below ten degrees: the thermometer, the clock, the afterdrop

    The one reading that sets the whole winter plan, why a minute per degree is only a ceiling, and the twenty minutes on the bank that decide the morning.

    Typed up 14 Jan 2026 · 8 min · 4 parts

  3. 1.4 °CDip only

    Winter

    Cutting an ice hole that is still open on Sunday morning

    Where to cut and where not to, how to push the slab under instead of lifting it out, keeping a hole open at minus fifteen, and planning the exit first.

    Typed up 10 Feb 2025 · 8 min · 4 parts

  4. 21.4 °CSwim

    Summer

    Dawn swims in July, and why we are in before six

    The flat hour before the wind gets up, a lake that layers warm over cold, boats on the crossing line, and the carelessness that warm water brings.

    Typed up 2 Sept 2024 · 6 min · 4 parts

  5. 2.6 °CDip only

    Spring

    The thaw fortnight: swimming a lake that is coming apart

    Two or three weeks when the ice is neither safe nor gone, the water runs colder than it did in January, and the entry has to be chosen twice.

    Typed up 12 May 2024 · 7 min · 4 parts

Readings are ours, taken at knee depth with a cheap glass thermometer, and they are not accurate enough to be anybody else's evidence. Entries stay as they were written; where a later one contradicts an earlier one, both remain and the later says so — seehow the log is kept.