If you planning to travel to Grand Island National Recreation Area, Munising, Michigan, 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 9:56 AM. The temperature feels like 46.8 with a humidity level of 60 so dress accordingly. Cloud coverage is 7 percent with visibility at 14 percent. Today’s UV index is 9, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 5 MPH. At the end of the day don’t miss the sunset at 1:32 AM.