The water was green and glassy calm.

She finally noticed how lovely the harbor was, in the glassy calm of morning.

As they headed out to sea, the water was almost glassy calm.

The changeable sea was almost glassy calm now that operations had to be halted until dawn.

The sea was glassy calm, with a gentle southerly swell.

The water of the harbour mouth was glassy calm, boiling a little here and there with eddies from the tide.

After the second day the sea subsided slowly to a glassy calm.

Most days, the 106-acre body of water is glassy calm or quietly rippled.

The water there was glassy calm, so we cut our engines and glided toward signs of feeding bass.