Datums for 8743838, Langley Point MS


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8743838, Langley Point, MS
Status: Superseded (Apr 17 2003) (Accepted Apr 4 1994)
Units: Feet
Control Station: 8743735 Biloxi (Cadet Point), MS
T.M.: 90
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW1.80Mean Higher-High Water
MHW1.62Mean High Water
MTL0.92Mean Tide Level
MSL0.89Mean Sea Level
DTL0.90Mean Diurnal Tide Level
MLW0.22Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.11Station Datum
GT1.80Great Diurnal Range
MN1.40Mean Range of Tide
DHQ0.18Mean Diurnal High Water Inequality
DLQ0.22Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HAT2.64Highest Astronomical Tide
HAT Date & Time12/06/2025 04:12HAT Date and Time
LAT-0.98Lowest Astronomical Tide
LAT Date & Time06/15/2026 02:00LAT Date and Time
Tidal Datum Analysis Periods




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