Notice: In July, 2021, CO-OPS corrected the data at this location dating back to 2005 to address observed shifts in the local terrestrial reference frame. A series of data correctors were applied to ensure that all data at this location is referenced to the same zero reference plane from when the station was originally installed. The water level observations have been corrected by between 1 to 2.5 cm depending on the date Please submit any questions to tide.predictions.gov.

Datums for 8747437, Bay Waveland Yacht Club MS

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8747437, Bay Waveland Yacht Club, MS
Status: Superseded (Apr 17 2003) (Accepted Jun 12 1996)
Units: Feet
Control Station: 8729840 Pensacola, FL
T.M.: 0
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW1.75Mean Higher-High Water
MHW1.65Mean High Water
MTL0.88Mean Tide Level
MSL0.87Mean Sea Level
DTL0.88Mean Diurnal Tide Level
MLW0.12Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.22Station Datum
GT1.75Great Diurnal Range
MN1.53Mean Range of Tide
DHQ0.10Mean Diurnal High Water Inequality
DLQ0.12Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide11.02Highest Observed Tide
Max Tide Date & Time09/01/2008 20:12Highest Observed Tide Date & Time
Min Tide-3.80Lowest Observed Tide
Min Tide Date & Time09/02/1985 11:36Lowest Observed Tide Date & Time
HAT2.66Highest Astronomical Tide
HAT Date & Time10/11/2025 07:00HAT Date and Time
LAT-1.35Lowest Astronomical Tide
LAT Date & Time01/10/2005 15:24LAT Date and Time
Tidal Datum Analysis Periods
01/01/1979 - 05/31/1988
08/01/1988 - 09/30/1988
01/01/1989 - 12/31/1992


Products available at 8747437 Bay Waveland Yacht Club, MS