Spirits

Whisky (Japanese)

Japanese whisky is whisky made in Japan, usually from malted barley and other grains, and bottled at a 40% ABV minimum, the strength our recipe assumes. Since April 2024 members of the Japanese spirits makers’ association give the name only to whisky distilled, aged three years and bottled in Japan, under a voluntary trade standard rather than a law. Our recipe for it is the Mizuwari, whisky lengthened with still water.

Quick Facts

ABV40% ABVBottlings run about 40 to 51%.

Legal categorySpiritTrade labelling standard (JSLMA, 2021; full compliance April 2024), not law

OriginJapan

Flavour Strengthmedium bold

SeasonYear-round

Our keeping timeIndefinitely unopened. Once opened, years if kept sealed and upright out of the light, though the aroma fades slowly.

Storage

Store upright in a cool, dark place. Reseal tightly after use. No refrigeration required.

Allergens

None of the 14 listed allergens. Distilled from grain, but distillation removes gluten, so it is not labelled as a gluten allergen.

The ingredient

About Whisky (Japanese)

Flavour Profile

Primary Flavours

Light maltCitrusSoft oakGentle spice

Tasting Notes

Typically clean and balanced with soft fruit, light malt sweetness, and controlled oak. In cocktails, it contributes finesse and a crisp finish rather than smoke or heavy richness.

A label rule written by the industry

For most of its history, Japanese whisky had no strict definition, and some bottles sold under the name held whisky imported from elsewhere. In February 2021 the Japan Spirits and Liqueurs Makers Association adopted a labelling standard for its members, in force that April with a transition until the end of March 2024. It is a voluntary rule, not law: as of March 2026 the government was still working with the trade on a legal definition and a protected name. Japan’s tax law has its own, much looser definition of whisky, so a bottle from a producer outside the association can still say whisky, and even Japanese, without meeting the standard. The back label is the place to look for where it was distilled.

Close to Scotch on paper

The Japanese whisky standard against Scotch law

Who sets it

Japanese whisky (trade standard): Members of the Japanese makers’ association
Scotch whisky (law): The Scotch Whisky Regulations 2009

Ingredients

Japanese whisky (trade standard): Malted grain, other cereals, water from Japan
Scotch whisky (law): Water, malted barley, whole grains of other cereals

Distilled

Japanese whisky (trade standard): In Japan, under 95% ABV
Scotch whisky (law): In Scotland, under 94.8% ABV

Matured

Japanese whisky (trade standard): In Japan, wooden casks up to 700 litres, three years
Scotch whisky (law): In Scotland, oak casks up to 700 litres, three years

Bottled

Japanese whisky (trade standard): In Japan, 40% ABV or more
Scotch whisky (law): Anywhere, 40% ABV or more

Additions

Japanese whisky (trade standard): Plain caramel colouring
Scotch whisky (law): Water and plain caramel colouring

	Japanese whisky (trade standard)	Scotch whisky (law)
Who sets it	Members of the Japanese makers’ association	The Scotch Whisky Regulations 2009
Ingredients	Malted grain, other cereals, water from Japan	Water, malted barley, whole grains of other cereals
Distilled	In Japan, under 95% ABV	In Scotland, under 94.8% ABV
Matured	In Japan, wooden casks up to 700 litres, three years	In Scotland, oak casks up to 700 litres, three years
Bottled	In Japan, 40% ABV or more	Anywhere, 40% ABV or more
Additions	Plain caramel colouring	Water and plain caramel colouring

Water and ice as the serve

The Mizuwari, whisky with water, is a Japanese serve made for drinking with food: two parts cold still water to one of whisky, over a highball glass of ice and stirred slowly. A gentle blend is the pick, because water opens up whatever is in the glass, peat included. For a sparkling version, the same whisky goes under soda in a tall glass, or a light Scotch stands in.

Using it

Using Whisky (Japanese)

Usage

45ml of a gentle Japanese blend with 90ml of cold still water, in a highball glass full of clear ice, is our Mizuwari. A light Japanese blend also works lengthened with soda in a tall glass, at about one part whisky to three of mixer.

Pro Tip

Stir the whisky over the ice before any water goes in. Thirteen slow turns chill the glass and the spirit together, so the water that follows dilutes a cold drink instead of melting the ice.

Top Tips

Check the back label for the country of distilling and ageing; under the trade standard it must be Japan.
Pack the highball with ice and chill it with the whisky first; the Mizuwari depends on a cold glass.
Use cold still water, not tap water from a warm pipe; the water is half the drink.
Heavily peated bottles take over once water opens them up; keep them for drinking neat.

Possible Substitutions

Whisky (Scotch): A light, unpeated blend: the nearest swap in a Mizuwari

Production Method

Under the trade standard: malted grain (always used), other cereals and Japanese water, mashed, fermented and run through a Japanese still to under 95% ABV. Maturing happens in Japan too, in wooden casks capped at 700 litres, for three years or more, and so does bottling, at a 40% ABV minimum. Plain caramel colouring is allowed.

Go further

More to explore

Common Questions

What is Japanese whisky?

Whisky made in Japan, usually from malted barley and other grains, and aged in wooden casks. Under the trade standard in full force since April 2024, an association member may only call a bottle Japanese whisky if it was distilled, matured for three years and bottled in Japan, with 40% ABV as the floor.

Is Japanese whisky a legal category?

Not yet. The labelling standard is a voluntary rule adopted by members of the Japan Spirits and Liqueurs Makers Association in 2021, with a transition to the end of March 2024. Japan’s tax law defines whisky far more loosely, and as of March 2026 a legal definition was still being worked on.

How do you make a Mizuwari?

Fill a highball glass with clear ice, add 45ml of Japanese whisky and stir slowly, about thirteen turns, until the glass is cold. Top up the ice, add 90ml of cold still water and stir a few turns more. Serve straight away, ideally with food.

Was all Japanese whisky made in Japan?

Not always. Before the standard, some bottles sold as Japanese whisky contained whisky imported from abroad. The standard now reserves the name for whisky distilled, aged and bottled in Japan by association members. Bottles that do not qualify may still be sold, but not under that name by members.

How strong is Japanese whisky?

The trade standard sets 40% ABV as the floor, and many blends sit at or just over it. Single malts and cask releases often go higher. Our units take 40%, so the Mizuwari’s 45ml is about 1.8 UK units, however much water goes in.

What can I use instead of Japanese whisky?

A light, unpeated blend from Scotland is the nearest swap for a Mizuwari or a long drink with soda, since much Japanese whisky follows Scotch methods. Avoid a heavily peated or heavily sherried bottle: water opens the whisky up, and those flavours then take over the glass.

From the Guides

The Japanese highball and the Mizuwari How to taste whisky: glass, water, nose and the finish What is whisky? The rules behind each style

Make something

Made with Whisky (Japanese)

Featured In These Cocktails

Mizuwari

Often Used With

Updated 12 October 2026

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