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Marine Info» Tidal Differences
Tidal Differences for Locations Around the Upper Texas Coast and Galveston Bay
Note: All calculations to be based on the Galveston Channel Tide heights.
POSITION TIME DIFFERENCE
Upper Texas Coast
high low
Sabine Bank Lighthouse 29* 28' 93* 43' - 1:46 -1:31
Sabine Pass Jetty 29* 39' 93* 50' - 1:26 -1:31
Sabine Pass 29* 42' 93* 51' - 1:00 -1:15
Mesquite Point, Sabine Pass 29* 46' 93* 54' - 0:04 -0:25
Galveston Bay Entrance, South Jetty 29* 20' 94* 42' - 0:39 -1:05
Port Bolivar 29* 22' 94* 47' + 0:14 -0:06
POSITION TIME DIFFERENCE
Galveston Bay
Texas City, Turning Basin 29* 23' 94* 53' + 0:33 +0:41
Eagle Point 29* 30' 94* 55' + 3:54 +4:15
Clear Lake 29* 34' 95* 04' + 6:05 +6:40
Morgans Point 29* 41' 94* 59' +10:21 +5:19
Round Point, Trinity Bay 29* 44' 94* 42' +10:39 +5:15
Point Barrow, Trinity Bay 29* 44' 94* 50' + 5:48 +4:43
Gilchrist, East Bay 29* 31' 94* 29' + 3:16 +4:18
Jamaica Beach, West Bay 29* 12' 94* 59' + 2:38 +3:31
Alligator Point, West Bay 29* 1O' 95* 08' + 2:39 +2:33
Christmas Point, Christmas Bay 29* 05' 95* 10' + 2:32 +2:31
Galveston Pleasure Pier. 29* 17' 94* 47' - 1:06 -1:06
San Luis Pass 29* 05' 95* 07' - 0:09 -0:09
Freeport Habor 28* 57' 95* 19' - 0:44 -1:02
Pass Cavallo 28* 22' 96* 24' 0:00 -1:20
Port O'Connor, Matagorda Bay 28* 27' 96* 24' --- ---
Port Lavaca, Matagorda Bay 28* 37' 96* 37' --- ---
Aransas Pass Channel 27* 50' 97* 03' --- ---
Riviera Beach, Baffin Bay 27* 17' 97* 40' --- ---
Padre Island (south end) 26* 04' 97* 09' - 0:24 -1:45
Port Isabel 26* 04' 97* 13' + 1:02 -0:42
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