She should wear:

A summer sundress or a skirt or pants with a nice blouse. Makeup and hair can be natural.

He should wear:

Dress pants with a button-down shirt or polo.

Bright colors are highly encouraged at Indian weddings and only a few colors should be avoided when choosing your wedding attire. Try not to wear white or black as there are the colors worn at Indian funerals and for mourning. Red should also be avoided since this is the color that the bride will be wearing. You want to make sure your attire is comfortable and not tight. You also want to consider the Indian traditions and culture; leaning more towards longer hem lines and higher neck lines.

This suggests an elegant beach wedding—so dress to impress, but also dress for the elements (sun, sand and water). Anything you'd wear to a nice restaurant on a summer night is appropriate.

She should wear:

A formal summer sundress at tea or knee length with flat sandals. Makeup and hair can be natural.

He should wear:

A summer suit with a linen shirt (no ties required), linen pants (or khakis) and sandals.