MARINE
Tide Time Calculator
High/Low tide · Tidal interval · Height prediction · Rule of twelfths · Current timing
tidal intervals
height prediction
Tide station parameters
UTC
Time of first high tide
m
UTC
Time of first low tide
m
UTC
Time to predict tide height
Tide formulas
- Tidal Range = HW - LW height difference
- Rule of Twelfths: 1/12, 2/12, 3/12, 3/12, 2/12, 1/12 hourly increments
- Tidal Interval = HW - LW time between tides
Predicted height
2.8
m
Time to high tide
3.0
hr
Tidal range
3.4
m
Tide curve
High tide
Low tide
Target time
Status: Falling
Tide details
Tidal interval
6.5
hr
Rule of twelfths
3/12
Time to low tide
3.5
hr
Current direction
Ebb
Tide prediction breakdown
rule of twelfths
High water
4.2 m
Low water
0.8 m
Predicted height
2.8 m