The units on your surf report or forecast show according to the units (meters or feet) that you have set.
Go to your account on the surfline.com home page
Click on settings at the top of the page. From there you can change your units and your preference will then appear when you view your surf report or forecast.
1) Tap on the Account tab on the bottom right of the screen and scroll down until you see the Units section. From there you will be able to change your preferences.