58 datapoints to 02 Aug 2018
updated on 01 Dec 2018
https://www.aviso.altimetry.fr/en/da...ts-images.html

Linear
Y= 1.449671 + 0.331635 * x
R*R = 0.982318
year Sea Level Rise (cm)
2020 8.082
2050 18.031
2100 34.613

(So linear "fit " gradient of 3.32 mm per year much as Aviso reference
value as a simple validity check on the relatively small set of datapoints )

Exponential
Y = 1.838701 -10.950351*(1-Exp(0.023025*x))
R*R = 0.984114
year Sea Level Rise (cm)
2020 8.243
2050 25.514
2100 100.382

Quadratic
Y= 1.894041+0.236818 * x +0.004035 * x^2
R^2 = 0.984237
year Sea Level Rise (cm)
2020 8.244
2050 23.822
2100 65.925

Best curvefit still by R*R goodness, by a whisker,
Indicial
Y= 2.125981+ 0.136320 * x^1.268834
R^2 = 0.984511
year Sea Level Rise (cm)
2020 8.226
2050 21.636
2100 49.14

Still on the downward trend