Translation guide
A sandbar is a ridge of sand built up by currents, often in a river or along a coast. In Japanese, the most common and natural word is 砂州 (さす), but other terms exist for specific contexts like river mouths or tidal flats.
A ridge of sand in a body of water, formed by currents.
The standard term for a sandbar or sandbank, used in geography and everyday contexts.
A large sandbar has formed at the river mouth.
砂州の上を歩いて渡った。
We walked across the sandbar.
Can mean sandbank or shoal, often used in compound words or literary contexts. Less specific than 砂州.
川の中州に鳥が集まっている。
Birds are gathering on the sandbank in the middle of the river.
Specifically a sand spit, a narrow sandbar extending from the shore. Technical term.
この海岸には長い砂嘴が伸びている。
A long sand spit extends from this coast.
A sandbar that forms specifically at the mouth of a river, sometimes obstructing navigation.
Literally 'river-mouth sandbar', the precise term for a sandbar at a river's entrance.
河口砂州のせいで船が入れない。
Boats can't enter because of the sandbar at the river mouth.
A barrier beach or sandbar that encloses a lagoon; more specific to coastal geography.
浜堤の内側に潟湖が広がっている。
A lagoon spreads inside the barrier beach.
A sandbar that appears at low tide, often in an estuary or bay.
Tidal flat or mudflat, but often used when sandbars are exposed at low tide. Not exactly a sandbar, but commonly associated.
干潟 usually refers to broader tidal flats, not just a narrow sandbar.
干潮になると干潟が現れる。
At low tide, the tidal flats appear.
Variant character for 砂州, sometimes used interchangeably, but less common.
砂洲が潮の満ち引きで形を変える。
The sandbar changes shape with the tides.
砂州 (さす) is the clear, modern word for sandbar. 州 (す) is more literary and often appears in place names or set phrases like 中州 (なかす, sandbank in a river). For everyday use, stick with 砂州.
砂浜 (すなはま) means 'sandy beach' and refers to the shore, not a sandbar out in the water. Use 砂州 for the offshore ridge.
干潮時には砂州が見える。
The sandbar is visible at low tide.
私たちは砂州の近くに錨を下ろした。
We anchored near the sandbar.