Datums for 9751274, Johns Folly Bay

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9751274, Johns Folly Bay
Status: Accepted (Jun 14 2021)
Units: Feet
Control Station: 9751381 Lameshur Bay, St John, VI
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
MHHW0.88Mean Higher-High Water
MHW0.82Mean High Water
MTL0.44Mean Tide Level
MSL0.41Mean Sea Level
DTL0.43Mean Diurnal Tide Level
MLW0.05Mean Low Water
MLLW0.00Mean Lower-Low Water
VIVD090.56Virgin Islands Vertical Datum of 2009
STND-27.77Station Datum
GT0.88Great Diurnal Range
MN0.78Mean Range of Tide
DHQ0.05Mean Diurnal High Water Inequality
DLQ0.05Mean 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
HAT1.35Highest Astronomical Tide
HAT Date & Time11/07/2025 14:54HAT Date and Time
LAT-0.46Lowest Astronomical Tide
LAT Date & Time06/04/2008 17:42LAT Date and Time
Tidal Datum Analysis Periods
01/01/2021 - 03/31/2021

Products available at 9751274 Johns Folly Bay,