If you planning to travel to Grand Dunes Golf Course, Myrtle Beach, South Carolina, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 11:38 AM. The temperature feels like 66 with a humidity level of 82 so dress accordingly. Cloud coverage is 44 percent with visibility at 10.4 percent. Today’s UV index is 5, don’t forget the sunscreen if you need it! Today’s winds are traveling east-northeast at a speed of 11 MPH. At the end of the day don’t miss the sunset at 10:19 PM.