Although the primary forces affecting the tides are predictable enough, other factors like the irregular shapes and depths of the oceans, meteorological conditions, and coastal topography severely distort the tide wave. Meteorological conditions are the main reason for the differences between observed times and predicted times. Winds can alter both tide times and heights. For example, a strong onshore wind might increase the tide height and result in an earlier high tide. Low barometric pressure increases tide heights and high pressure decreases heights.
Actual tide times and heights can vary significantly from predicted times because of these unpredictable influences. DO NOT BE FOOLED INTO A FALSE SENSE OF ACCURACY with these beautiful charts. Time corrections for a given location are determined by averaging the observed time difference between the location and Miami. Time differences are generally considered to be accurate to within 20 minutes and 0.3 feet for corrections of less than three hours. While we do provide some time differences of over three hours, we ask the user to establish their credibility over several observations and to develop that all important local knowledge.
TIDE TIME CALCULATION: Tide corrections on this chart and on the following page are given in hours and minutes. A plus (+) sign means that the tide will occur later than in Miami. Add this number to Miami time. A minus (-) sign indicates that the tide will occur earlier than in Miami. Subtract the number from Miami time.
SUN AND MOON CORRECTIONS: times for sunrise, sunset, moon rise, and moon set are based on Miami times. For every sixty miles west of Miami, add 4 minutes to the time given. For every 60 miles east of Miami, subtract 4 minutes from the time given. For the exact rise and set time difference for any given location, make an observation. Your observed time difference from the time at Miami should be similar every day of the year.
Tide Heights Calculation: To find the height of a tide at a desired place, take the Miami height and multiply it by the ratio indicated by an asterisk (*). In the case where a correction is also given, first multiply by the ratio shown in parenthesis, then add (or subtract for negative values) the correction to the product.
For example: To find a high tide height at Tybee Creek Entrance, use the formula *2.64. Take the Miami height, multiply it by 2.64. If the Miami height was 2.6, the height at Tybee Creek Entrance would be 6.86 feet (2.64 x 2.6).
Tide times and tide height adjustments from Miami are provided for the following locations:
GEORGIA:
Savannah River
Tybee Light
SAVANNAH RIVER ENTRANCE
SAVANNAH
Little Back River, Hwy. 17, Back River, S.C.
S.C.L. RR. bridge
Tybee Creek and Wassaw Sound
Tybee Creek entrance
Wilmington River
Savannah Sheraton Resort Hotel
Isle of Hope, Skidaway River
Ossabaw Sound
Egg Islands
Florida Passage, Bear River
Bradley Point, Bradley River
St. Catherines and Sapelo Sounds
Walburg Creek entrance
Bear River Entrance
North Newport River
Thomas Landing, S. Newport River
Barbour Island, Barbour Island River
Creighton Narrows Entrance, Crescent River
Doboy and Altamaha Sounds
Blackbeard Creek, Blackbeard Island
Hudson Creek entrance
Wolf Island, south end
St. Simons Sound
St. Simons Sound Bar
St. Simons Light
Frederick River Bridge
Frederica River
Turtle River
Buffalo River entrance
Highway bridge, South Brunswick River
St. Andrew Sound
Jekyll Point, Jekyll Sound
Jointer Island, Jointer Creek
GEORGIA and FLORIDA
Cumberland Sound
Kings Bay, Navy Base
Beach Creek ent., Cumberland Island
St. Marys River
St. Marys
Chester, Bells River
FERNANDINA BEACH, Amelia River
Kingsley Creek, RR. bridge
FLORIDA
Nassau Sound and Fort George River
Amelia City, South Amelia River
Nassauville
Halfmoon Island, highway bridge
Sawpit Creek entrance, bridge
Simpson Creek, A1A highway bridge
Fort George Island, Fort George River
FLORIDA, St. Johns River
Mayport Naval Station, Degausing Structure
MAYPORT
Pablo Creek, ICWW bridge
Blount Island Bridge
Jacksonville, Navy Fuel Depot
Trout River
Moncrief Creek entrance
Jacksonville, Long Branch
Jacksonville, Main Street Bridge
Orange Park Landing, Orange Park
Black Creek, S.C.L. RR. bridge
Palatka
FLORIDA, East Coast
Atlantic Beach
Jacksonville Beach
Vilano Beach, Tolomato River
St. Augustine, city dock
St. Augustine Beach
Ormond Beach, Halifax River
Daytona Beach Shores, Sunglow Pier
Ponce de Leon Inlet
Cape Canaveral
CANAVERAL HARBOR ENTRANCE
Patrick Air Force Base
Indian River
Sebastian Inlet bridge
Sebastian
Vero Beach
St. Lucie
Vero Beach (ocean)
Fort Pierce Inlet, south jetty
Fort Pierce Inlet
Fort Pierce
Eden, Nettles Island
Jensen Beach
St. Lucie River
North Fork
Stuart
South Fork
Port Salerno, Manatee Pocket
Hobe Sound bridge
Hobe Sound, Jupiter Island
Jupiter Sound, south end
Jupiter Inlet, south jetty
Jupiter Inlet, U.S. Highway 1 Bridge
Loxahatchee River
Tequesta
Jupiter, Lake Worth Creek, ICWW
Lake Worth Creek, Day Beacon 19, ICWW
PGA Boulevard Bridge, ICWW
Lake Worth
Port of Palm Beach
West Palm Beach Canal
Boynton Beach
Lake Worth Pier (ocean)
Delray Beach, ICWW
Boca Raton, Lake Boca Raton
Deerfield Beach, Hillsboro River
Hillsboro Inlet, Coast Guard Light Station
Lauderdale-by-the-Sea, Anglin Fishing Pier
Fort Lauderdale and Miami
Bahia Mar Yacht Club
Port Everglades, Turning Basin
Port Laudania, Dania cut-off Canal
Hollywood Beach
Sunny Isles, Biscayne Creek
North Miami Beach, Newport Fishing Pier
Haulover Pier, N. Miami Beach
Bakers Haulover Inlet (inside)
Miami Harbor Entrance
Government Cut, Miami Harbor Entrance
Miami, 79th St. Causeway
Miami, Marina
Dinner Key Marina
Florida Keys
Bear Cut, Virginia Key
Key Biscayne Yacht Club, Biscayne
Coral Shoal, Biscayne Channel
Fowey Rocks
Boca Chita Key, Biscayne Bay
Elliott Key Harbor, Elliott Key, Biscayne Bay
Adams Key, south end, Biscayne Bay
East Arsenicker, Card Sound
Little Card Sound bridge
Ocean Reef Harbor, Key Largo
Carysfort Reef
Key Largo, South Sound, Key Largo
Rock Harbor, Key Largo
Plantation Key, Hawk Channel
Whale Harbor, Windley Key, Hawk Channel
Whale Harbor Channel, Hwy. 1, Windley Key
Upper Matecumbe Key, Hawk Channel
Flamingo, Florida Bay
Islamorada, Upper Matecumbe Key, Florida Bay
Long Key Bight, Long Key
Conch Key, eastern end
Duck Key, Hawk Channel
Toms Harbor Channel, Hwy. 1 bridge
Vaca Key-Fat Deer Key bridge
Boot Key Harbor bridge, Boot Key
Sombrero Key, Hawk Channel
Molasses Key Channel, Molasses Keys
East Bahia Honda Key, south end, Florida Bay
Bahia Honda Key, Bahia Honda Channel
Big Pine Key, Bogie Channel Bridge
Big Pine Key, northeast shore
Crawl Key, Big Spanish Channel
Big Pine Key, north end
Ramrod Key, Newfound Harbor
Little Torch Key, Pine Channel Bridge, south side
Big Pine Key, Pine Channel Bridge, south side
Summerland Key, Niles Channel Bridge
Sugarloaf Key, east side, Tarpon Creek
Cudjoe Key, Cudjoe Bay
Upper Sugarloaf Sound
Park Channel Bridge
Lower Sugarloaf Sound #27
Duck Key Point, Duck Key, Waltz Key Basin
Saddlebunch Keys, Channel No. 5
KEY WEST
Sand Key Lighthouse, Sand Key Channel
Garden Key, Dry Tortugas
