Ideas for possible gifts you can give to him on his special day first, it's important to consider what kind of hobbies and activities your father may enjoy does he like to golf? If so, then you could consider getting him a new set of golf clubs, golf balls, or golf bags.
Maybe your dad is into the latest electronic gadgets? There are quite a few of those items, you could think about giving him for a gift some examples would be a GPS navigation system for his car, a motorized cooler, a waterproof shower radio and music player, a doughnut making machine, a portable weather monitor, an mp3 player, a digital camera, a massaging recliner, a portable satellite radio, or a wireless headphones for his cell phone.
There are a number of clothing and even jewelry gifts you could purchase for Father's Day some clothing items could be a necktie, a pair of shoes, tube socks or dress socks, a pair of jeans or dress pants, a t-shirt, a sweatshirt, a polo shirt, a blazer, a sports coat or even a suit. For jewelry, a watch would make an excellent Father's Day gift there a variety of necklaces, bracelets and rings available for men, as well.
If your dad is the outdoors type, you could think giving him and gift such as a portable hammock, fishing rods and other fishing related products, sunglasses, an outdoor misting fan, an outdoor reclining chair, a hat, an inflatable canoe or kayak, a backpack, or a bike rack. If your dad enjoys grilling outdoors, you could purchase him an adaptable shade for the grill, a wireless grilling thermometer, a rack or roaster for the grill, a barbeque cookbook, an apron, a spatula, grill brush or tongs.
There are a variety of gourmet food and drink items you could provide your dad. Some examples of these could be a bottle of wine, a case of beer, a home brewing kit (so your dad can brew his own beer), cheesecake, chocolate cake, cheese and sausage samplers, smoked salmon, steak, lobster, mixed nuts, ice cream, and cookies. There is also many "of the month" clubs you could sign your dad up for some of them include “beer of the month" and “barbeque sauce of the month", in which your father will receive a new selection of the exacting product every month.
Finally, if you can't decide on a exact gift or maybe you want to give something in addition to a gift, you could always consider giving your father a gift certificate. Some gift certificate he might appreciate would be one for his preferred department store, electronics store or outdoor/sporting goods store.
Hopefully you've found these suggestions to be helpful and have a improved idea of what you can give as Father's Day gift.