Nowagreen Global Warming Database
Sea Level Trend, mm above 1850-1900 Baseline

  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
1850 -7.73
1851 -7.68 0.04
1852 -7.62 0.06
1853 -7.55 0.08
1854 -7.45 0.09
1855 -7.34 0.11
1856 -7.22 0.13
1857 -7.07 0.14
1858 -6.91 0.16
1859 -6.74 0.18
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
1860 -6.55 0.19
1861 -6.34 0.21
1862 -6.11 0.22
1863 -5.87 0.24
1864 -5.62 0.26
1865 -5.34 0.27
1866 -5.05 0.29
1867 -4.74 0.31
1868 -4.42 0.32
1869 -4.08 0.34
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
1870 -3.73 0.36
1871 -3.35 0.37
1872 -2.96 0.39
1873 -2.56 0.41
1874 -2.14 0.42
1875 -1.7 0.44
1876 -1.24 0.45
1877 -0.77 0.47
1878 -0.29 0.49
1879 0.22 0.5
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
1880 -10.92 0.74 0.52
1881 -1.68 1.27 0.54
1882 -17.75 1.83 0.55
1883 -12.82 2.4 0.57
1884 5.72 2.98 0.59
1885 4.65 3.58 0.6
1886 8.12 4.2 0.62
1887 2.12 4.84 0.63
1888 -0.28 5.49 0.65
1889 2.62 6.16 0.67
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
1890 5.35 6.84 0.68
1891 4.62 7.54 0.7
1892 4.75 8.26 0.72
1893 9.35 8.99 0.73
1894 -4.55 9.74 0.75
1895 9.18 10.51 0.77
1896 12.02 11.29 0.78
1897 20.18 12.09 0.8
1898 15.22 12.9 0.82
1899 20.65 13.74 0.83
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
1900 20.28 14.58 0.85
1901 15.78 15.45 0.86
1902 18.62 16.33 0.88
1903 33.98 17.23 0.9
1904 20.08 18.14 0.91
1905 17.92 19.07 0.93
1906 25.48 20.02 0.95
1907 24.95 20.98 0.96
1908 22.72 21.96 0.98
1909 19.55 22.96 1
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
1910 26.02 23.97 1.01 370
1911 30.95 25 1.03 384
1912 29.68 26.04 1.05 397
1913 32.02 27.1 1.06 409
1914 28.72 28.18 1.08 419
1915 36.38 29.28 1.09 428
1916 37.55 30.39 1.11 437
1917 37.85 31.51 1.13 444
1918 36.62 32.66 1.14 449
1919 43.85 33.82 1.16 454
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
1920 45.15 34.99 1.18 458
1921 42.78 36.19 1.19 460
1922 38.68 37.4 1.21 462
1923 42.78 38.62 1.23 463
1924 33.35 39.86 1.24 463
1925 33.88 41.12 1.26 462
1926 46.05 42.4 1.27 460
1927 44.58 43.69 1.29 458
1928 43.45 45 1.31 455
1929 43.25 46.32 1.32 452
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
1930 49.42 47.66 1.34 449
1931 45.58 49.02 1.36 445
1932 47.18 50.39 1.37 441
1933 52.35 51.78 1.39 436
1934 44.98 53.19 1.41 432
1935 54.18 54.61 1.42 427
1936 47.52 56.05 1.44 422
1937 52.45 57.5 1.46 417
1938 50.78 58.97 1.47 412
1939 70.85 60.46 1.49 407
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
1940 50.65 61.97 1.5 402
1941 71.58 63.49 1.52 397
1942 70.88 65.02 1.54 392
1943 68.32 66.58 1.55 387
1944 55.38 68.15 1.57 382
1945 67.88 69.74 1.59 378
1946 79.65 71.34 1.6 373
1947 74.88 72.96 1.62 368
1948 80.52 74.59 1.64 363
1949 76.92 76.25 1.65 359
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
1950 80.88 77.91 1.67 354
1951 90.02 79.6 1.68 350
1952 87.85 81.3 1.7 346
1953 96.98 83.02 1.72 341
1954 85.62 84.75 1.73 337
1955 84.88 86.5 1.75 333
1956 85.75 88.27 1.77 329
1957 102.78 90.05 1.78 325
1958 99.42 91.85 1.8 322
1959 102.12 93.67 1.82 318
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
1960 105.45 95.5 1.83 314
1961 111.58 97.35 1.85 311
1962 104.28 99.22 1.87 307
1963 102.42 101.1 1.88 304
1964 101.35 103 1.9 301
1965 106.02 104.91 1.91 298
1966 101.85 106.84 1.93 295
1967 105.88 108.79 1.95 292
1968 99.52 110.75 1.96 289
1969 109.72 112.73 1.98 286
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
1970 107.58 114.73 2 283
1971 111.85 116.74 2.01 280
1972 128.62 118.77 2.03 277
1973 115.58 120.82 2.05 275
1974 129.15 122.88 2.06 272
1975 126.48 124.96 2.08 270
1976 127.58 127.06 2.1 267
1977 123.82 129.17 2.11 265
1978 130.52 131.3 2.13 263
1979 125.52 133.44 2.14 260
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
1980 130.45 135.6 2.16 258
1981 146.35 137.78 2.18 256
1982 134.45 139.97 2.19 254
1983 150.05 142.18 2.21 252
1984 150.62 144.41 2.23 250
1985 135.35 146.65 2.24 248
1986 137.15 148.91 2.26 246
1987 139.08 151.18 2.28 244
1988 143.48 153.48 2.29 242
1989 147.18 155.79 2.31 240
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
1990 149.48 158.11 2.32 238
1991 149.52 160.45 2.34 237
1992 152.08 162.81 2.36 235
1993 156.29 165.18 2.37 233
1994 156.89 167.57 2.39 232
1995 160.1 169.98 2.41 230
1996 165.8 172.4 2.42 228
1997 172.7 174.84 2.44 227
1998 167.36 177.3 2.46 225
1999 172.96 179.77 2.47 224
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
2000 176.75 182.26 2.49 222
2001 182.35 184.77 2.51 221
2002 179.31 187.29 2.52 220
2003 185.72 189.83 2.54 218
2004 188.12 192.38 2.55 217
2005 187.88 194.95 2.57 216
2006 188.93 197.54 2.59 214
2007 195.2 200.14 2.6 213
2008 201.11 202.76 2.62 212
2009 202.11 205.4 2.64 211
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
2010 208.89 208.05 2.65 209
2011 208.13 210.72 2.67 208
2012 220.2 213.41 2.69 207
2013 215.48 216.11 2.7 206
2014 226.32 218.83 2.72 205
2015 230.57 221.56 2.74 204
2016 232.12 224.31 2.75 203
2017 233.08 227.08 2.77 202
2018 233.51 229.87 2.78 201
2019 245.37 232.67 2.8 200
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
2020 248.43 235.48 2.82 199
2021 247.62 238.32 2.83 198
2022 249.25 241.17 2.85 188
2023 258.42 244.03 2.87 186
2024 258.12 246.92 2.88 185
2025 250 2.9 183
2026 253 2.92 182
2027 256 2.93 181
2028 259 2.95 179
2029 262 2.96 178
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
2030 265 2.98 177
2031 268 3 175
2032 271 3.01 174
2033 274 3.03 173
2034 277 3.05 172
2035 280 3.06 170
2036 283 3.08 169
2037 286 3.1 168
2038 289 3.11 167
2039 292 3.13 166
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
2040 295 3.15 164
2041 298 3.16 163
2042 302 3.18 162
2043 305 3.19 161
2044 308 3.21 160
2045 311 3.23 159
2046 314 3.24 158
2047 318 3.26 157
2048 321 3.28 156
2049 324 3.29 155
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
2050 328 3.31 154
2051 331 3.33 153
2052 334 3.34 152
2053 338 3.36 151
2054 341 3.37 150
2055 344 3.39 149
2056 348 3.41 148
2057 351 3.42 147
2058 355 3.44 146
2059 358 3.46 145
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
2060 362 3.47 144
2061 365 3.49 144
2062 369 3.51 143
2063 372 3.52 142
2064 376 3.54 141
2065 379 3.56 140
2066 383 3.57 139
2067 386 3.59 139
2068 390 3.6 138
2069 394 3.62 137
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
2070 397 3.64 136
2071 401 3.65 135
2072 405 3.67 135
2073 408 3.69 134
2074 412 3.7 133
2075 416 3.72 132
2076 419 3.74 132
2077 423 3.75 131
2078 427 3.77 130
2079 431 3.79 130
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
2080 435 3.8 129
2081 438 3.82 128
2082 442 3.83 128
2083 446 3.85 127
2084 450 3.87 126
2085 454 3.88 126
2086 458 3.9 125
2087 462 3.92 124
2088 466 3.93 124
2089 469 3.95 123
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
2090 473 3.97 122
2091 477 3.98 122
2092 481 4 121
2093 485 4.01 121
2094 489 4.03 120
2095 494 4.05 119
2096 498 4.06 119
2097 502 4.08 118
2098 506 4.1 118
2099 510 4.11 117
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
2100 514 4.13 117
2110 556 4.22
2120 600 4.38
2130 646 4.55
2140 693 4.71
2150 741 4.88
2160 792 5.04
2170 844 5.2
2180 898 5.37
2190 953 5.53
  year    Sea Level, mm    Trendline, mm    Δ/y mm    SL/GW TL mm/°C   
2200 1010 5.7
2300 1670 6.6
2400 2494 8.24
2500 3482 9.88
2600 4634 11.52
2700 5950 13.16
2800 7430 14.8
2900 9074 16.44
3000 10883 18.08

Columns:
Sea Levelsea level mm above 1850-1900 baseline, actual data
Trendlinesea level mm above 1850-1900 baseline, parabolic trendline in 1880-2024
Δ/y mm annual change of the trendline, mm
SL/GW TL mm/°Csea level trendline to Global Warming trendline

The forecast is based on the parabolic trendline of actual data in 1880-2024.
more details in the publication:
Sea Level Trend 1850-2024 DOI:10.5281/zenodo.14899702


cite this page:
Sea Level Trend 1850-2024 - Joseph Nowarski, DOI:10.5281/zenodo.14899702
https://nowagreen.com/sl.php

(c)     nowarski@gmail.com