Brownsville, TX 25.93N, 97.48W
Corpus Christi, TX 27.71N, 97.29W
Port Aransas, TX 27.83, 97.08W
Victoria, TX 28.82N, 96.98W
Port O'Connor, TX 28.23N, 96.64W
Lake Jackson, TX 29.0N, 95.45W
Freeport, TX 28.95N, 95.36W
Galveston, TX  29.23N, 94.89W
Houston, TX  29.80N, 95.39W
Port Arthur, TX 29.83, 93.93W
Baton Rouge, LA  30.45N, 91.13W
Houma, LA   29.58N, 90.71W
New Orleans, LA   30.07N, 89.93W
Buras, LA  29.34N, 89.50W
Hattiesburg, MS  31.31N, 89.31W
Gulfport, MS   30.39N, 89.07W
Biloxi, MS   30.42N, 88.93W
Pascagoula, MS  30.37N, 88.55W
Mobile, AL  30.68N, 88.09W
Pensacola, FL  30.44N, 87.19W
Valparaiso, FL  30.49N, 86.50W
Montgomery, AL   32.35N, 86.28W
Panama City, FL   30.17N, 85.67W

Dothan, AL 31.24N, 85.41W
Apalachicola, FL  29.73N, 84.99W
Columbus, GA   32.51N, 84.87W
Tallahassee, FL   30.46N, 84.28W
Perry, FL 30.1N 83.6W
Gainesville, FL 29.7N, 82.3W
Inverness, FL 28.8N, 82.3W
Spring Hill, FL 28.5N, 82.6W
Tampa, FL 28.0N, 82.5W
St. Petersburg, FL 27.8N, 82.6W
Sarasota, FL 27.3N, 82.5W
Port Charlotte, FL 27.0N, 82.1W
Fort Myers, FL 26.6N, 81.9W
Cape Coral, FL 26.6N, 82.0W
Naples, FL 26.1N, 81.8W
Cape Sable, FL 25.3N, 81.0W

Some big non-Gulf FL cities:
Miami, FL 25.8N, 80.2W
Orlando, FL 28.5N, 81.4W
Jacksonville, FL 30.3N, 81.7W