SVG+CSS3 to achieve a dynamic wave effect

A vector wave

<svg viewBox="0 0 560 20" class="wave-animation__water-wave wave-animation__water-wave--front">
    <use xlink:href="#wave"></use>
</svg>
<svg id="wave" width="100%" height="100%">
    <path d="M420,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C514,6.5,518,4.7,528.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H420z"></path>
    <path d="M420,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C326,6.5,322,4.7,311.5,2.7C304.3,1.4,293.6-0.1,280,0c0,0,0,0,0,0v20H420z"></path>
    <path d="M140,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C234,6.5,238,4.7,248.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H140z"></path>
    <path d="M140,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C46,6.5,42,4.7,31.5,2.7C24.3,1.4,13.6-0.1,0,0c0,0,0,0,0,0l0,20H140z"></path>

Full code:

<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no">
</head>

<body>
    <div class="circle-countdown circle-countdown--ended">
        <div class="circle-countdown__content-wrapper">
            <div class="circle-countdown__content wave-animation">
                <div id="water" class="wave-animation__water">
                    <svg viewBox="0 0 560 20" class="wave-animation__water-wave wave-animation__water-wave--back">
                        <path
                            d="M420,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C514,6.5,518,4.7,528.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H420z">
                        </path>
                        <path
                            d="M420,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C326,6.5,322,4.7,311.5,2.7C304.3,1.4,293.6-0.1,280,0c0,0,0,0,0,0v20H420z">
                        </path>
                        <path
                            d="M140,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C234,6.5,238,4.7,248.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H140z">
                        </path>
                        <path
                            d="M140,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C46,6.5,42,4.7,31.5,2.7C24.3,1.4,13.6-0.1,0,0c0,0,0,0,0,0l0,20H140z">
                        </path>
                    </svg>
                    <svg viewBox="0 0 560 20" class="wave-animation__water-wave wave-animation__water-wave--front">
                        <path
                            d="M420,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C514,6.5,518,4.7,528.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H420z">
                        </path>
                        <path
                            d="M420,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C326,6.5,322,4.7,311.5,2.7C304.3,1.4,293.6-0.1,280,0c0,0,0,0,0,0v20H420z">
                        </path>
                        <path
                            d="M140,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C234,6.5,238,4.7,248.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H140z">
                        </path>
                        <path
                            d="M140,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C46,6.5,42,4.7,31.5,2.7C24.3,1.4,13.6-0.1,0,0c0,0,0,0,0,0l0,20H140z">
                        </path>
                    </svg>
                </div>
            </div>
        </div>
    </div>


    <style>
        .circle-countdown {
            width: 441px;
            height: 441px;
            position: relative;
            top: 0;
            left: 0;
            padding: 2.5rem;
            border: 1px solid #fb64b6;
            border-radius: 50%;
            overflow: hidden;
        }

        .wave-animation {
            overflow: hidden;
        }


        .wave-animation__percent {
            position: absolute;
            left: 0;
            top: 0;
            z-index: 3;
            width: 100%;
            height: 100%;
            display: flex;
            display: -webkit-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 64px;
        }

        .wave-animation__water {
            position: absolute;
            left: 0;
            top: 0;
            z-index: -1;
            width: 100%;
            height: 100%;
            /* Adjusting the 60% here can change the progress and the height of the wave*/
            transform: translate(0, calc(100% - 60%));
            background: #f852d6;
            transition: all 2s;
        }

        .wave-animation__water-wave {
            width: 200%;
            position: absolute;
            bottom: 100%;


        }

        .wave-animation__water-wave--back {
            right: 0;
            fill: #1d1d1d;
            animation: wave-back 1.4s infinite linear;
        }

        .wave-animation__water-wave--front {
            left: 0;
            fill: #f852d6;
            margin-bottom: -1px;
            animation: wave-front 0.7s infinite linear;
        }

        @keyframes wave-front {
            100% {
                transform: translate(-50%, 0);
            }
        }

        @keyframes wave-back {
            100% {
                transform: translate(50%, 0);
            }
        }
    </style>
</body>

</html>

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