近海测量（offshore survey）是对距岸10～100海里的水域所进行的海道测量。由于近海水域开阔、海底平坦，常按1：10万～1：50万比例尺进行测量；因在此海域内难以观测到陆地上的目标，故需用精密无线电定位仪器定位；用高精度回声测深仪测深，并将其归算至深度基准面。
这种测量方法适合于大多数岛屿的近海和沿海地区。
This method of measurement is suitable for most island waters and coastal areas.
在第一部分中，通过在青岛近海逐月采集许氏平鲉的样品，进行生物学测量，并摘取耳石。
In the first part, collected rockfish samples monthly by the inshore of Qingdao were measured biologically, then the otolithes were taken and dried.
采用三维超声风速仪测量了近海边三维风速和虚温数据。
Three-dimensional velocity components and virtual temperature were measured using ultrasonic anemometer above an area by sea.
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