Linear mean sea level (MSL) trends and 95% confidence intervals in mm/yr
[Source of data: PSMSL and NOAA; Analysis: NOAA] [See notes at bottom of page]
 hypothetical + 50-100% rate  hypothetical + 100-200% rate
Station Name First Year Last Year Year Range MSL Trend
(mm/year)
+/- 95%
Confidence
Interval
Total MSL
Change
(cm)†
Absolute
value of
MSL Trend
MSL Trend
+0.6mm/yr
(mm/year)
Absolute value
of MSL Trend
+0.6mm/yr
MSL Trend
+1.2mm/yr
(mm/year)
Absolute value
of MSL Trend
+1.2mm/yr
latitude longitude latitude longitude weight weight
* trend
Reykjavik, Iceland 1956 2001 46 2.34 0.71 10.784 2.34 2.94 2.94 3.54 3.54 64,09 N 21,56 W 64.15000 -21.93333 1.0000 2.3444
Barentsburg, Norway 1948 2006 59 -2.99 0.67 -17.623 2.99 -2.39 2.39 -1.79 1.79 78,04 N 14,15 E 78.06667 14.25000 1.0000 -2.9870
Murmansk, Russia 1952 2006 55 3.92 1.00 21.546 3.92 4.52 4.52 5.12 5.12 68,58 N 33,03 E 68.96667 33.05000 0.5221 2.0452
Narvik, Norway 1928 2001 74 -3.09 0.59 -22.877 3.09 -2.49 2.49 -1.89 1.89 68,26 N 17,25 E 68.43333 17.41667 0.3329 -1.0291
Heimsjo, Norway 1935 2006 72 -1.61 0.40 -11.621 1.61 -1.01 1.01 -0.41 0.41 63,26 N 09,07 E 63.43333 9.11667 0.2297 -0.3707
Maloy, Norway 1945 2006 62 0.93 0.52 5.796 0.93 1.53 1.53 2.13 2.13 61,56 N 05,07 E 61.93333 5.11667 0.2372 0.2217
Bergen, Norway 1883 2001 119 -0.52 0.23 -6.216 0.52 0.08 0.08 0.68 0.68 60,24 N 05,18E 60.40000 5.30000 0.1637 -0.0855
Stavanger, Norway 1881 2006 126 0.42 0.21 5.289 0.42 1.02 1.02 1.62 1.62 58,58 N 05,44 E 58.96667 5.73333 0.1257 0.0528
Oslo, Norway 1885 2006 122 -4.53 0.34 -55.287 4.53 -3.93 3.93 -3.33 3.33 59,54 N 10,45 E 59.90000 10.75000 0.1030 -0.4666
Smogen, Sweden 1911 2007 97 -1.92 0.27 -18.648 1.92 -1.32 1.32 -0.72 0.72 58,22 N 11,13 E 58.36667 11.21667 0.0815 -0.1567
Goteborg, Sweden 1887 2003 117 -1.30 0.36 -15.247 1.30 -0.70 0.70 -0.10 0.10 57,43 N 11,57 E 57.71667 11.95000 0.0753 -0.0982
Klagshamn, Sweden 1929 2007 79 0.53 0.48 4.226 0.53 1.13 1.13 1.73 1.73 55,31 N 12,54 E 55.51667 12.90000 0.0737 0.0394
Kungholmsfort, Sweden 1887 2007 121 0.00 0.27 -0.028 0.00 0.60 0.60 1.20 1.20 56,06 N 15,35 E 56.10000 15.58333 0.0859 -0.0002
Landsort, Sweden 1887 2007 121 -2.85 0.32 -34.500 2.85 -2.25 2.25 -1.65 1.65 58,45 N 17,52 E 58.75000 17.86667 0.0908 -0.2589
Stockholm, Sweden 1889 2003 115 -3.94 0.35 -45.262 3.94 -3.34 3.34 -2.74 2.74 59,19 N 18,05 E 59.31667 18.08333 0.0911 -0.3585
Ratan, Sweden 1892 2007 116 -7.75 0.41 -89.881 7.75 -7.15 7.15 -6.55 6.55 64,00 N 20,55 E 64.00000 20.91667 0.1118 -0.8660
Furuogrund, Sweden 1916 2007 92 -8.17 0.61 -75.191 8.17 -7.57 7.57 -6.97 6.97 64,55 N 21,14 E 64.91667 21.23333 0.1233 -1.0075
Kemi, Finland 1920 2006 87 -7.01 0.67 -60.954 7.01 -6.41 6.41 -5.81 5.81 65,40 N 24,31 E 65.66667 24.51667 0.1435 -1.0056
Oulu/Uleaborg, Finland 1889 2006 118 -6.38 0.43 -75.236 6.38 -5.78 5.78 -5.18 5.18 65,02 N 25,25 E 65.03333 25.41667 0.1347 -0.8586
Raahe/Brahestad, Finland 1922 2006 85 -6.81 0.71 -57.872 6.81 -6.21 6.21 -5.61 5.61 64,37.5 N 24,25 E 64.62500 24.41667 0.1214 -0.8266
Pietarsaari/Jakobstad, Finland 1914 2006 93 -7.32 0.61 -68.047 7.32 -6.72 6.72 -6.12 6.12 63,42 N 22,42 E 63.70000 22.70000 0.1078 -0.7890
Vaasa/Vasa, Finland 1883 2006 124 -7.36 0.36 -91.303 7.36 -6.76 6.76 -6.16 6.16 63,06 N 21,34 E 63.10000 21.56667 0.1035 -0.7624
Kaskinen/Kasko, Finland 1926 2006 81 -6.54 0.73 -52.942 6.54 -5.94 5.94 -5.34 5.34 62,21.5 N 21,13 E 62.35833 21.21667 0.1006 -0.6573
Mantyluoto, Finland 1910 2006 97 -5.96 0.53 -57.838 5.96 -5.36 5.36 -4.76 4.76 61,36 N 21,28 E 61.60000 21.46667 0.0983 -0.5863
Turku/Abo, Finland 1922 2006 85 -3.71 0.66 -31.544 3.71 -3.11 3.11 -2.51 2.51 60,26 N 22,06 E 60.43333 22.10000 0.0987 -0.3664
Degerby, Finland 1923 2006 84 -3.77 0.64 -31.677 3.77 -3.17 3.17 -2.57 2.57 60,02 N 20,23 E 60.03333 20.38333 0.0953 -0.3593
Hanko/Hango, Finland 1887 1997 111 -2.76 0.42 -30.668 2.76 -2.16 2.16 -1.56 1.56 59,47.5 N 22,59 E 59.79167 22.98333 0.1059 -0.2926
Helsinki, Finland 1879 2001 123 -2.41 0.37 -29.690 2.41 -1.81 1.81 -1.21 1.21 60,09 N 24,58 E 60.15000 24.96667 0.1203 -0.2904
Hamina, Finland 1928 2006 79 -1.03 0.85 -8.176 1.03 -0.43 0.43 0.17 0.17 60,34 N 27,11 E 60.56667 27.18333 0.1457 -0.1508
Daugavgriva, Latvia 1872 1938 67 0.16 0.99 1.039 0.16 0.76 0.76 1.36 1.36 57,03 N 24,02 E 57.05000 24.03333 0.1749 0.0271
Liepaja, Latvia 1865 1936 72 0.88 0.72 6.312 0.88 1.48 1.48 2.08 2.08 56,32 N 20,59 E 56.53333 20.98333 0.1276 0.1119
Kaliningrad, Russia 1926 1986 61 1.84 0.89 11.234 1.84 2.44 2.44 3.04 3.04 54,57 N 20,13 E 54.95000 20.21667 0.1534 0.2826
Warnemunde, Germany 1855 2005 151 1.20 0.12 18.156 1.20 1.80 1.80 2.40 2.40 54,11 N 12,05 E 54.18333 12.08333 0.0865 0.1040
Wismar, Germany 1848 2003 156 1.38 0.10 21.530 1.38 1.98 1.98 2.58 2.58 53,54 N 11,28 E 53.90000 11.46667 0.0914 0.1261
Gedser, Denmark 1898 2006 109 0.94 0.19 10.198 0.94 1.54 1.54 2.14 2.14 54,34 N 11,56 E 54.56667 11.93333 0.0801 0.0750
Kobenhavn, Denmark 1889 2006 118 0.49 0.21 5.747 0.49 1.09 1.09 1.69 1.69 55,41 N 12,36 E 55.68333 12.60000 0.0720 0.0351
Hornbaek, Denmark 1898 2006 109 0.25 0.23 2.746 0.25 0.85 0.85 1.45 1.45 56,06 N 12,28 E 56.10000 12.46667 0.0711 0.0179
Korsor, Denmark 1897 2006 110 0.75 0.19 8.215 0.75 1.35 1.35 1.95 1.95 55,20 N 11,08 E 55.33333 11.13333 0.0727 0.0543
Slipshavn, Denmark 1896 2006 111 0.93 0.17 10.322 0.93 1.53 1.53 2.13 2.13 55,17 N 10,50 E 55.28333 10.83333 0.0734 0.0683
Fredericia, Denmark 1889 2006 118 1.03 0.12 12.116 1.03 1.63 1.63 2.23 2.23 55,34 N 09,46 E 55.56667 9.76667 0.0754 0.0774
Aarhus, Denmark 1888 2006 119 0.56 0.12 6.634 0.56 1.16 1.16 1.76 1.76 56,09 N 10,13 E 56.15000 10.21667 0.0728 0.0406
Frederikshavn, Denmark 1894 2006 113 0.16 0.16 1.757 0.16 0.76 0.76 1.36 1.36 57,26 N 10,34 E 57.43333 10.56667 0.0754 0.0117
Hirtshals, Denmark 1892 2006 115 -0.20 0.22 -2.288 0.20 0.40 0.40 1.00 1.00 57,36 N 09,58 E 57.60000 9.96667 0.0785 -0.0156
Esbjerg, Denmark 1889 1997 109 1.05 0.31 11.461 1.05 1.65 1.65 2.25 2.25 55,28 N 08,26 E 55.46667 8.43333 0.0847 0.0891
Cuxhaven, Germany 1843 2002 160 2.44 0.17 38.972 2.44 3.04 3.04 3.64 3.64 53,52 N 08,43 E 53.86667 8.71667 0.1047 0.2550
Aberdeen, UK 1862 2003 142 0.66 0.10 9.369 0.66 1.26 1.26 1.86 1.86 57,09 N 02,05 W 57.15000 -2.08333 0.3874 0.2556
North Shields, UK 1895 2003 109 1.88 0.16 20.517 1.88 2.48 2.48 3.08 3.08 55,00 N 01,27 W 55.00000 -1.45000 0.3633 0.6839
Sheerness, UK 1832 2006 175 1.64 0.10 28.776 1.64 2.24 2.24 2.84 2.84 51,27 N 00,45 E 51.45000 0.75000 0.4352 0.7156
Newlyn, UK 1915 2003 89 1.71 0.20 15.203 1.71 2.31 2.31 2.91 2.91 50,06 N 05,33 W 50.10000 -5.55000 0.4739 0.8094
Brest, France 1807 2000 194 1.00 0.08 19.308 1.00 1.60 1.60 2.20 2.20 48,23 N 04,30 W 48.38333 -4.50000 0.4831 0.4808
La Coruna, Spain 1943 2006 64 1.31 0.47 8.353 1.31 1.91 1.91 2.51 2.51 43,22 N 08,24 W 43.36667 -8.40000 0.6805 0.8882
Cascais, Portugal 1882 1993 112 1.27 0.15 14.209 1.27 1.87 1.87 2.47 2.47 38,41 N 09,25 W 38.68333 -9.41667 0.5224 0.6628
Lagos, Portugal 1908 1999 92 1.50 0.24 13.802 1.50 2.10 2.10 2.70 2.70 37,06 N 08,40 W 37.10000 -8.66667 0.5640 0.8461
Marseille, France 1885 2000 116 1.20 0.16 13.879 1.20 1.80 1.80 2.40 2.40 43,18 N 05,21 E 43.30000 5.35000 0.6431 0.7695
Genova, Italy 1884 1997 114 1.20 0.14 13.664 1.20 1.80 1.80 2.40 2.40 44,24 N 08,54 E 44.40000 8.90000 0.5516 0.6612
Trieste, Italy 1905 2001 97 1.15 0.22 11.167 1.15 1.75 1.75 2.35 2.35 45,39 N 13,45 E 45.65000 13.75000 0.7144 0.8225
Tuapse, Russia 1917 2002 86 2.24 0.65 19.262 2.24 2.84 2.84 3.44 3.44 44,06 N 39,04 E 44.10000 39.06667 1.0000 2.2398
Ponta Delgada, Portugal 1978 2005 28 2.55 1.09 7.131 2.55 3.15 3.15 3.75 3.75 37,44 N 25,40 W 37.73333 -25.66667 1.0000 2.5466
Tenerife, Spain 1927 1999 73 1.53 0.31 11.154 1.53 2.13 2.13 2.73 2.73 28,29 N 16,14 W 28.48333 -16.23333 1.0000 1.5279
Takoradi, Ghana 1929 1970 42 3.35 0.50 14.076 3.35 3.95 3.95 4.55 4.55 04,53 N 01,45 W 4.88333 -1.75000 1.0000 3.3514
Walvis Bay, Namibia 1958 1998 41 0.33 1.44 1.342 0.33 0.93 0.93 1.53 1.53 22,57 S 14,30 E -22.95000 14.50000 1.0000 0.3272
Simons Bay, South Africa 1957 2007 51 1.59 0.28 8.095 1.59 2.19 2.19 2.79 2.79 34,11 S 18,26 E -34.18333 18.43333 0.8975 1.4247
Port Elizabeth, South Africa 1978 2007 30 3.13 1.40 9.399 3.13 3.73 3.73 4.33 4.33 33,58 S 25,38 E -33.96667 25.63333 0.8233 2.5795
Durban, South Africa 1971 2007 37 0.63 0.62 2.341 0.63 1.23 1.23 1.83 1.83 29,53 S 31,00 E -29.88333 31.00000 0.9088 0.5751
Aden, Yemen 1879 1969 91 1.23 0.20 11.233 1.23 1.83 1.83 2.43 2.43 12,47 N 44,59 E 12.78333 44.98333 1.0000 1.2345
Karachi, Pakistan 1916 1994 79 0.48 0.53 3.769 0.48 1.08 1.08 1.68 1.68 24,48 N 66,58 E 24.80000 66.96667 1.0000 0.4771
Mumbai/Bombay, India 1878 1994 117 0.74 0.12 8.665 0.74 1.34 1.34 1.94 1.94 18,55 N 72,50 E 18.91667 72.83333 1.0000 0.7406
Cochin, India 1939 2004 66 1.37 0.32 9.056 1.37 1.97 1.97 2.57 2.57 09,58 N 76,16 E 9.96667 76.26667 0.8335 1.1437
Chennai/Madras, India 1916 2003 88 0.31 0.41 2.758 0.31 0.91 0.91 1.51 1.51 13,06 N 80,18 E 13.10000 80.30000 0.7324 0.2295
Vishakhapatnam, India 1937 1996 60 0.54 0.52 3.261 0.54 1.14 1.14 1.74 1.74 17,41 N 83,17 E 17.68333 83.28333 0.8579 0.4662
Ko Taphao Noi, Thailand 1940 2006 67 0.49 1.06 3.262 0.49 1.09 1.09 1.69 1.69 07,50 N 98,26 E 7.83333 98.43333 0.7823 0.3809
Ko Lak, Thailand 1940 2002 63 -0.48 0.26 -3.001 0.48 0.12 0.12 0.72 0.72 11,48 N 99,49 E 11.80000 99.81667 0.7823 -0.3727
Macau, China 1925 1985 61 0.25 0.50 1.548 0.25 0.85 0.85 1.45 1.45 22,12 N 113,33 E 22.20000 113.55000 0.8132 0.2064
Xiamen, China 1954 2002 49 1.02 0.60 4.986 1.02 1.62 1.62 2.22 2.22 24,27 N 118,04 E 24.45000 118.06667 0.8132 0.8275
Yuzhno Kurilsk, Russia 1948 1994 47 2.74 0.62 12.900 2.74 3.34 3.34 3.94 3.94 44,01 N 145,52 E 44.01667 145.86667 1.0000 2.7446
Mera, Japan 1931 2001 71 3.66 0.24 26.020 3.66 4.26 4.26 4.86 4.86 34,55 N 139,50 E 34.91667 139.83333 0.3682 1.3493
Aburatsubo, Japan 1930 1999 70 3.33 0.27 23.311 3.33 3.93 3.93 4.53 4.53 35,09 N 139,37 E 35.15000 139.61667 0.3572 1.1896
Kushimoto, Japan 1957 2007 51 3.09 0.62 15.775 3.09 3.69 3.69 4.29 4.29 33,28 N 135,47 E 33.46667 135.78333 0.3756 1.1620
Hosojima, Japan 1930 2007 78 -0.53 0.32 -4.116 0.53 0.07 0.07 0.67 0.67 32,26 N 131,40 E 32.43333 131.66667 0.5164 -0.2725
Tonoura/Hamada, Japan 1894 2002 109 0.38 0.24 4.145 0.38 0.98 0.98 1.58 1.58 34,54 N 132,04 E 34.90000 132.06667 0.4312 0.1640
Wajima, Japan 1930 1999 70 -0.80 0.26 -5.625 0.80 -0.20 0.20 0.40 0.40 37,24 N 136,54 E 37.40000 136.90000 0.4215 -0.3387
Manila, Philippines 1901 1969 69 1.78 0.35 12.266 1.78 2.38 2.38 2.98 2.98 14,35 N 120,58 E 14.58333 120.96667 0.6976 1.2401
Legaspi, Philippines 1947 2005 59 5.22 0.80 30.781 5.22 5.82 5.82 6.42 6.42 13,09 N 123,45 E 13.15000 123.75000 0.6610 3.4486
Davao, Philippines 1948 2005 58 5.32 1.30 30.828 5.32 5.92 5.92 6.52 6.52 07,05 N 125,38 E 7.08333 125.63333 0.7636 4.0586
Jolo, Philippines 1947 1996 50 0.19 1.12 0.952 0.19 0.79 0.79 1.39 1.39 06,04.5 N 121,00 E 6.07500 121.00000 0.8128 0.1547
Townsville, Australia 1959 2006 48 1.11 0.44 5.310 1.11 1.71 1.71 2.31 2.31 19,15 S 146,50 E -19.25000 146.83333 1.0000 1.1063
Newcastle, Australia 1925 1988 64 2.19 0.48 14.038 2.19 2.79 2.79 3.39 3.39 32,55 S 151,48 E -32.91667 151.80000 0.5536 1.2143
Sydney, Australia 1886 2003 118 0.59 0.11 6.919 0.59 1.19 1.19 1.79 1.79 33,51 S 151,14 E -33.85000 151.23333 0.5536 0.3247
Fremantle, Australia 1897 2003 107 1.48 0.27 15.828 1.48 2.08 2.08 2.68 2.68 32,03 S 115,44 E -32.05000 115.73333 1.0000 1.4793
Auckland, New Zealand 1903 2000 98 1.29 0.20 12.637 1.29 1.89 1.89 2.49 2.49 36,51 S 174,46 E -36.85000 174.76667 0.7961 1.0266
Wellington, New Zealand 1944 2005 62 2.41 0.35 14.956 2.41 3.01 3.01 3.61 3.61 41,17 S 174,47 E -41.28333 174.78333 0.6459 1.5580
Lyttelton, New Zealand 1924 2000 77 2.36 0.29 18.170 2.36 2.96 2.96 3.56 3.56 44,24 S 171,16 E -44.40000 171.26667 0.7739 1.8262
Guam, Marianas Islands 1948 1993 46 -1.05 1.72 -4.843 1.05 -0.45 0.45 0.15 0.15 13,26 N 144,39 E 13.43333 144.65000 1.0000 -1.0529
Chuuk, Caroline Islands 1947 1995 49 0.60 1.78 2.919 0.60 1.20 1.20 1.80 1.80 07,27 N 151,51 E 7.45000 151.85000 1.0000 0.5957
Kwajalein, Marshall Islands 1946 2006 61 1.43 0.81 8.723 1.43 2.03 2.03 2.63 2.63 08,44 N 167,44 E 8.73333 167.73333 1.0000 1.4300
Wake Island 1950 2006 57 1.91 0.59 10.896 1.91 2.51 2.51 3.11 3.11 19,17 N 166,37 E 19.28333 166.61667 1.0000 1.9116
Pago Pago, American Samoa 1948 2006 59 2.07 0.90 12.207 2.07 2.67 2.67 3.27 3.27 14,17 S 170,41 W -14.28333 -170.68333 1.0000 2.0689
Midway Atoll 1947 2006 60 0.70 0.54 4.188 0.70 1.30 1.30 1.90 1.90 28,13 N 177,22 W 28.21667 -177.36667 1.0000 0.6980
Johnston Atoll 1947 2003 57 0.75 0.56 4.303 0.75 1.35 1.35 1.95 1.95 16,45 N 169,31 W 16.75000 -169.51667 1.0000 0.7549
Honolulu, USA 1905 2006 102 1.50 0.25 15.283 1.50 2.10 2.10 2.70 2.70 21,19 N 157,52 W 21.31667 -157.86667 0.6980 1.0458
Hilo, USA 1927 2006 80 3.27 0.35 26.149 3.27 3.87 3.87 4.47 4.47 19,44 N 155,04 W 19.73333 -155.06667 0.6980 2.2814
Adak Island, USA 1957 2006 50 -2.75 0.54 -13.765 2.75 -2.15 2.15 -1.55 1.55 51,52 N 176,38 W 51.86667 -176.63333 1.0000 -2.7531
Seward, USA 1964 2006 43 -1.74 0.91 -7.461 1.74 -1.14 1.14 -0.54 0.54 60,07 N 149,26 W 60.11667 -149.43333 1.0000 -1.7351
Sitka, USA 1924 2006 83 -2.05 0.32 -16.999 2.05 -1.45 1.45 -0.85 0.85 57,03 N 135,20 W 57.05000 -135.33333 0.5534 -1.1335
Ketchikan, USA 1919 2006 88 -0.19 0.27 -1.692 0.19 0.41 0.41 1.01 1.01 55,20 N 131,38 W 55.33333 -131.63333 0.4388 -0.0844
Prince Rupert, Canada 1909 2006 98 1.090 0.27 10.684 1.09 1.69 1.69 2.29 2.29 54,19 N 130,20 W 54.31667 -130.33333 0.4417 0.4816
Vancouver, Canada 1910 1999 90 0.37 0.28 3.357 0.37 0.97 0.97 1.57 1.57 49,17 N 123,07 W 49.28333 -123.11667 0.1903 0.0710
Victoria, Canada 1909 1999 91 0.80 0.25 7.265 0.80 1.40 1.40 2.00 2.00 48,25 N 123,22 W 48.41667 -123.36667 0.1745 0.1393
Tofino, Canada 1909 2006 98 -1.59 0.32 -15.616 1.59 -0.99 0.99 -0.39 0.39 49,09 N 125,55 W 49.15000 -125.91667 0.2111 -0.3364
Neah Bay, USA 1934 2006 73 -1.63 0.36 -11.902 1.63 -1.03 1.03 -0.43 0.43 48,22 N 124,37 W 48.36667 -124.61667 0.1809 -0.2949
Friday Harbor, USA 1934 2006 73 1.13 0.33 8.216 1.13 1.73 1.73 2.33 2.33 48,33 N 123,00 W 48.55000 -123.00000 0.1775 0.1998
Seattle, USA 1898 2006 109 2.06 0.17 22.494 2.06 2.66 2.66 3.26 3.26 47,36 N 122,20 W 47.60000 -122.33333 0.1910 0.3941
Astoria, USA 1925 2006 82 -0.31 0.40 -2.563 0.31 0.29 0.29 0.89 0.89 46,13 N 123,46 W 46.21667 -123.76667 0.2226 -0.0696
Crescent City, USA 1933 2006 74 -0.65 0.36 -4.782 0.65 -0.05 0.05 0.55 0.55 41,45 N 124,12 W 41.75000 -124.20000 0.5629 -0.3638
San Francisco, USA 1897 2006 110 2.01 0.21 22.074 2.01 2.61 2.61 3.21 3.21 37,48 N 122,28 W 37.80000 -122.46667 0.6381 1.2804
Los Angeles, USA 1923 2006 84 0.83 0.27 6.950 0.83 1.43 1.43 2.03 2.03 33,43 N 118,16 W 33.71667 -118.26667 0.3704 0.3064
La Jolla, USA 1924 2006 83 2.07 0.29 17.175 2.07 2.67 2.67 3.27 3.27 32,52 N 117,15 W 32.86667 -117.25000 0.3558 0.7363
San Diego, USA 1906 2006 101 2.06 0.20 20.853 2.06 2.66 2.66 3.26 3.26 32,43 N 117,10 W 32.71667 -117.16667 0.3615 0.7463
Balboa, Panama 1908 1996 89 1.38 0.27 12.310 1.38 1.98 1.98 2.58 2.58 08,58 N 79,34 W 8.96667 -79.56667 0.4298 0.5945
Buenaventura, Colombia 1941 1969 29 0.96 1.22 2.797 0.96 1.56 1.56 2.16 2.16 03,54 N 77,06 W 3.90000 -77.10000 0.7731 0.7455
La Libertad, Ecuador 1948 2003 56 -1.22 0.97 -6.838 1.22 -0.62 0.62 -0.02 0.02 02,12 S 80,55 W -2.20000 -80.91667 0.9995 -1.2205
Antofagasta, Chile 1945 2006 62 -0.75 0.48 -4.649 0.75 -0.15 0.15 0.45 0.45 23,39 S 70,24.5 W -23.65000 -70.40833 1.0000 -0.7498
Puerto Deseado, Argentina 1970 2002 33 -0.06 1.93 -0.201 0.06 0.54 0.54 1.14 1.14 47,45 S 65,55 W -47.75000 -65.91667 0.8322 -0.0506
Puerto Madryn, Argentina 1944 2000 57 1.50 0.79 8.571 1.50 2.10 2.10 2.70 2.70 42,46 S 65,02 W -42.76667 -65.03333 0.7820 1.1758
Quequen, Argentina 1918 1982 65 0.85 0.31 5.549 0.85 1.45 1.45 2.05 2.05 38,35 S 58,42 W -38.58333 -58.70000 0.6045 0.5160
Buenos Aires, Argentina 1905 1987 83 1.57 0.30 12.998 1.57 2.17 2.17 2.77 2.77 34,36 S 58,22 W -34.60000 -58.36667 0.5076 0.7949
Montevideo, Uruguay 1938 1995 58 1.21 0.69 6.998 1.21 1.81 1.81 2.41 2.41 34,54 S 56,15 W -34.90000 -56.25000 0.5119 0.6177
Cananeia, Brazil 1954 2006 53 4.20 0.63 22.273 4.20 4.80 4.80 5.40 5.40 25,01 S 47,56 W -25.01667 -47.93333 1.0000 4.2024
Cartagena, Colombia 1949 1992 44 5.31 0.37 23.372 5.31 5.91 5.91 6.51 6.51 10,24 N 75,33 W 10.40000 -75.55000 0.6323 3.3586
Cristobal, Panama 1909 1980 72 1.41 0.22 10.167 1.41 2.01 2.01 2.61 2.61 09,21 N 79,55 W 9.35000 -79.91667 0.4424 0.6247
Galveston Pier 21, USA 1908 2006 99 6.39 0.28 63.237 6.39 6.99 6.99 7.59 7.59 29,19 N 94,48 W 29.31667 -94.80000 0.9528 6.0859
Pensacola, USA 1923 2006 84 2.10 0.26 17.601 2.10 2.70 2.70 3.30 3.30 30,24 N 87,13 W 30.40000 -87.21667 0.6034 1.2643
Key West, USA 1913 2006 94 2.24 0.16 21.064 2.24 2.84 2.84 3.44 3.44 24,33 N 81,48 W 24.55000 -81.80000 0.8182 1.8335
Bermuda 1932 2006 75 2.04 0.47 15.331 2.04 2.64 2.64 3.24 3.24 32,22 N 64,42 W 32.36667 -64.70000 1.0000 2.0441
Mayport, USA 1928 2006 79 2.40 0.31 18.948 2.40 3.00 3.00 3.60 3.60 30,24 N 81,26 W 30.40000 -81.43333 0.2717 0.6517
Fernandina Beach, USA 1897 2006 110 2.02 0.20 22.215 2.02 2.62 2.62 3.22 3.22 30,41 N 81,28 W 30.68333 -81.46667 0.2654 0.5360
Fort Pulaski, USA 1935 2006 72 2.98 0.33 21.446 2.98 3.58 3.58 4.18 4.18 32,02 N 80,54 W 32.03333 -80.90000 0.2604 0.7756
Charleston, USA 1921 2006 86 3.15 0.25 27.095 3.15 3.75 3.75 4.35 4.35 32,47 N 79,56 W 32.78333 -79.93333 0.2639 0.8314
Wilmington, USA 1935 2006 72 2.07 0.40 14.927 2.07 2.67 2.67 3.27 3.27 34,14 N 77,57 W 34.23333 -77.95000 0.2659 0.5513
Sewells Point, USA 1927 2006 80 4.44 0.27 35.508 4.44 5.04 5.04 5.64 5.64 36,57 N 76,20 W 36.95000 -76.33333 0.1810 0.8032
Washington, USA 1924 2006 83 3.16 0.35 26.264 3.16 3.76 3.76 4.36 4.36 38,52 N 77,01 W 38.86667 -77.01667 0.1452 0.4594
Annapolis, USA 1928 2006 79 3.44 0.23 27.148 3.44 4.04 4.04 4.64 4.64 38,59 N 76,29 W 38.98333 -76.48333 0.1352 0.4646
Baltimore, USA 1902 2006 105 3.08 0.15 32.304 3.08 3.68 3.68 4.28 4.28 39,16 N 76,35 W 39.26667 -76.58333 0.1351 0.4157
Philadelphia, USA 1900 2006 107 2.79 0.21 29.891 2.79 3.39 3.39 3.99 3.99 39,57 N 75,08 W 39.95000 -75.13333 0.1237 0.3454
Atlantic City, USA 1911 2006 96 3.99 0.18 38.320 3.99 4.59 4.59 5.19 5.19 39,21 N 74,25 W 39.35000 -74.41667 0.1263 0.5042
Sandy Hook, USA 1932 2006 75 3.90 0.25 29.274 3.90 4.50 4.50 5.10 5.10 40,28 N 74,01 W 40.46667 -74.01667 0.1195 0.4663
The Battery, USA 1856 2006 151 2.77 0.09 41.866 2.77 3.37 3.37 3.97 3.97 40,42 N 74,01 W 40.70000 -74.01667 0.1197 0.3319
Kings Pt/Willets Pt, USA 1931 2006 76 2.35 0.24 17.852 2.35 2.95 2.95 3.55 3.55 40,48 N 73,47 W 40.80000 -73.78333 0.1203 0.2826
Newport, USA 1930 2006 77 2.58 0.19 19.857 2.58 3.18 3.18 3.78 3.78 41,30 N 71,20 W 41.50000 -71.33333 0.1324 0.3415
Woods Hole, USA 1932 2006 75 2.61 0.20 19.557 2.61 3.21 3.21 3.81 3.81 41,32 N 70,40 W 41.53333 -70.66667 0.1405 0.3665
Boston, USA 1921 2006 86 2.63 0.18 22.630 2.63 3.23 3.23 3.83 3.83 42,21 N 71,03 W 42.35000 -71.05000 0.1374 0.3614
Portland, USA 1912 2006 95 1.82 0.17 17.284 1.82 2.42 2.42 3.02 3.02 43,40 N 70,15 W 43.66667 -70.25000 0.1565 0.2847
Eastport, USA 1929 2006 78 2.00 0.21 15.587 2.00 2.60 2.60 3.20 3.20 44,54 N 66,59 W 44.90000 -66.98333 0.2045 0.4087
Saint John, Canada 1914 1999 86 2.75 0.33 23.639 2.75 3.35 3.35 3.95 3.95 45,16 N 66,04 W 45.26667 -66.06667 0.2258 0.6206
Halifax, Canada 1895 2002 108 3.16 0.15 34.169 3.16 3.76 3.76 4.36 4.36 44,40 N 63,35 W 44.66667 -63.58333 0.3159 0.9996
Pointe-Au-Pere, Canada 1900 1983 84 -0.36 0.40 -3.052 0.36 0.24 0.24 0.84 0.84 48,31 N 68,28 W 48.51667 -68.46667 0.3175 -0.1153
Quebec, Canada 1910 2006 97 -0.17 0.49 -1.670 0.17 0.43 0.43 1.03 1.03 46,50 N 71,10 W 46.83333 -71.16667 0.2232 -0.0384
Neuville, Canada 1914 2006 93 0.17 0.79 1.581 0.17 0.77 0.77 1.37 1.37 46,42 N 71,34 W 46.70000 -71.56667 0.2241 0.0381
Argentine Islands, Antarctica 1958 2006 49 1.72 0.49 8.433 1.72 2.32 2.32 2.92 2.92 65,15 S 64,16 W -65.25000 -64.26667 1.0000 1.7211
Averages: 1917.0 2001.2 85.22 0.611 0.443 3.9051 2.074 1.211 2.397 1.811 2.777 Sums: 74.0767 83.9331
    Averages, mm per year: 0.61094 0.45823 Geographically weighted average, mm per year: 1.1331

 
 


Analysis of linear mean sea level (MSL) trends

 
Analysis:
 
The analysis of this data has been moved to the following web page:
http://www.burtonsys.com/global_msl_trend_analysis.html
 
 
 
The Data:
 
The information in black on this page (above) is copied directly from NOAA's web site:
http://tidesandcurrents.noaa.gov/sltrends/MSL_global_trendtable.html.
(A copy of that web page is also available at http://www.webcitation.org/5mj6OZJq5.)
 
The green location (latitude & longitude) information was taken from two sources:
1)  http://unesdoc.unesco.org/images/0011/001126/112650eo.pdf
     (or http://www.burtonsys.com/climategate/112650eo.pdf)
2)  http://www.pol.ac.uk/psmsl/datainfo/rlr.trends
     (or http://www.burtonsys.com/climategate/2005-08-03_MSL_pol.ac.uk.bak01.txt)
 
For all but a few locations, the latitude and longitude listed were identical in the two sources, but a few locations were listed in only one of the two documents, or were listed with very slightly different coordinates in the two sources. In the later case, I averaged the differing coordinates; coincidentally, in all such cases the difference between the two sources was either 1, 3 or 5 minutes, so the average (shown here) ends in ".5" minutes.
 
The numbers in red are values which I calculated from the other data.
 
Note: The portion of this web page preceding the red line is in Microsoft Excel 2000 HTML spreadsheet format. So if you want to load the data into a spreadsheet you can just load the web page into Excel (version 2000 or later). Doing so will scramble the text after the red line, but the data and formulas above the red line will load correctly, and the numbers will be represented with greater precision than is shown on the web page.
 
 
 
 

  The column entitled "Total MSL change (cm)" is simply the calculated product of the "MSL Trend" (divided by 10 to convert mm to cm) and "Year Range" columns. Since the MSL Trend is determined (by NOAA) by linear smoothing, and there are substantial year-to-year fluctuations in MSL at most locations, the "Total MSL change" is not precisely the difference between the First Year MSL and the Last Year MSL. Rather, it is an intermediate value used to calculate the "average2" MSL Trend (in which each station-year is weighted equally; that is, in which each measurement location is weighted according to how long it was in operation).