• Purple, yellow, gold and orange sponges and soft corals wave against a turquioise sea.

    Biscayne

    National Park Florida

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  • Boat Tours, Paddle-craft Rentals and Select Conveniences Temporarily Unavailable

    Glass-bottom, snorkel, diving and island boat tours, and rentals for canoes and other paddle-craft, are temporarily unavailable. The park is working to resolve the issue as soon as possible and regrets the inconvenience. Limited snack items are available.

Tide Predictions

Time Differences:

To determine the time of high and low tide at any location listed in this table, look at the columns headed “Time Differences” in which the hours and minutes to be added or subtracted from the time of high or low tide at the Miami Harbor Entrance are listed. A plus sign (+) indicates that the tide at the location occurs later than at the Miami Harbor Entrance and the difference should be added; a minus sign (-) indicates that it is earlier and should be subtracted. To get the current tides at Miami Harbor Entrance

Height Differences:

The height of the tide, referred to the datum of nautical charts, is obtained by means of the height ratios (indicated by an asterisk *). To obtain the height of tide at the location, multiply the height of tide at the Miami Harbor Entrance by the ratio listed. The result is normally rounded to the nearest 0.1 foot.

 
Location Differences Based on Tide Predictions
for
Miami Harbor Entrance
Time Differences Height Differences
High
Water
(hr min)
Low
Water
(hr min)
High
Water
(ratio)
Low
Water
(ratio)
Soldier Key +0 53 +1 20 * 0.74 * 0.75
Fowey Rocks +0 01 +0 03 * 0.97 * 0.94
Ragged Keys, Biscayne Bay +1 07 +1 25 * 0.66 * 0.66
Boca Chita Key, Biscayne Bay +1 24 +1 43 * 0.63 * 0.63
Sands Key, northwest point,
Biscayne Bay
+1 48 +2 30 * 0.58 * 0.56
Coon Point, Elliott Key, Biscayne Bay +2 18 +3 00 * 0.57 * 0.57
Elliott Key Harbor, Elliott Key,
Biscayne Bay
+2 19 +3 04 * 0.59 * 0.56
Turkey Point, Biscayne Bay +2 33 +3 25 * 0.65 * 0.65
Convoy Point (Park Headquarters)
+2 33
+3 25
* 0.65
* 0.65
Billys Point, Elliott Key,
Biscayne Bay
+2 31 +3 24 * 0.58 * 0.56
Sea Grape Point, Elliott Key -0 02 -0 01 * 0.92 * 0.92
Christmas Point, Elliott Key +0 36 +0 41 * 0.73 * 0.73
Adams Key, south end,
Biscayne Bay
+1 24 +1 12 * 0.61 * 0.61
Totten Key, west side,
Biscayne Bay
+2 42 +3 25 * 0.50 * 0.50
East Arsenicker, Card Sound +2 49 +3 13 * 0.36 * 0.36

Did You Know?

Pioneer home on Elliott Key

Elliott Key and other islands in Biscayne National Park were settled under the Homestead Act of 1862. This law gave free land to settlers willing to live on and farm a piece of land for five years. The main crops planted here were pineapples and key limes.