Disclaimer
David Flater (who is author of xtide, the program I use to produce this data) provides the following disclaimer, behind which I firmly stand:
DO NOT RELY ON THE OUTPUT OF THIS PROGRAM FOR DECISIONS THAT CAN RESULT IN HARM TO ANYONE OR ANYTHING. REALLY. I MEAN IT.
Agencies like NOAA exist because there is a need for certifiably correct tide predictions. Please don't rely on XTide if you need guaranteed results. There is no way I can get certified data on a zero budget. I rely on users like you to tell me when something is wrong. Please continue to do so.
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Previous month's tides
Tidal Heights at Blaine, Semiahmoo Bay, Washington
Next month's tides
September 2010
49°0.0'N 122°46.0'W  
Tide Tide Tide Tide
  Time Zone is PDT   Units are feet
 Wed 01 Sep   0443  1.0L   2032  8.6H 
 Thu 02 Sep   0545  0.7L   1621  8.0H   1727  8.0L   2100  8.5H 
 Fri 03 Sep   0656  0.2L   1629  8.6H   2008  8.0L   2149  8.1H 
 Sat 04 Sep   0804  -0.2L   1647  8.9H   2132  7.4L 
 Sun 05 Sep   0029  7.6H   0905  -0.5L   1706  9.2H   2217  6.4L 
 Mon 06 Sep   0239  7.7H   0959  -0.6L   1726  9.4H   2257  5.2L 
 Tue 07 Sep   0401  8.0H   1047  -0.2L   1749  9.6H   2338  3.8L 
 Wed 08 Sep   0511  8.4H   1133  0.6L   1813  9.7H 
 Thu 09 Sep   0020  2.4L   0617  8.6H   1218  1.7L   1839  9.8H 
 Fri 10 Sep   0103  1.2L   0721  8.7H   1301  3.1L   1905  9.8H 
 Sat 11 Sep   0148  0.2L   0828  8.6H   1345  4.5L   1933  9.7H 
 Sun 12 Sep   0234  -0.2L   0940  8.5H   1430  5.8L   1959  9.4H 
 Mon 13 Sep   0323  -0.3L   1105  8.4H   1522  6.9L   2021  8.9H 
 Tue 14 Sep   0417  -0.0L   1254  8.5H   1634  7.8L   2022  8.3H 
 Wed 15 Sep   0519  0.4L   1436  8.8H 
 Thu 16 Sep   0630  0.9L   1540  9.2H 
 Fri 17 Sep   0746  1.2L   1623  9.3H   2319  6.3L 
 Sat 18 Sep   0112  6.4H   0853  1.3L   1656  9.3H   2326  5.7L 
 Sun 19 Sep   0248  6.5H   0945  1.5L   1721  9.1H   2335  5.1L 
 Mon 20 Sep   0355  6.8H   1025  1.8L   1738  8.8H   2340  4.5L 
 Tue 21 Sep   0447  7.2H   1059  2.2L   1748  8.5H   2349  3.7L 
 Wed 22 Sep   0532  7.5H   1129  2.8L   1755  8.3H 
 Thu 23 Sep   0005  2.9L   0614  7.7H   1157  3.4L   1804  8.1H 
 Fri 24 Sep   0026  2.1L   0655  7.9H   1226  4.1L   1814  8.1H 
 Sat 25 Sep   0050  1.4L   0737  8.1H   1256  4.7L   1823  8.1H 
 Sun 26 Sep   0118  0.8L   0820  8.2H   1327  5.4L   1828  8.1H 
 Mon 27 Sep   0149  0.3L   0909  8.2H   1401  6.1L   1836  8.2H 
 Tue 28 Sep   0225  0.1L   1005  8.2H   1438  6.7L   1852  8.3H 
 Wed 29 Sep   0307  0.0L   1116  8.1H   1525  7.3L   1914  8.3H 
 Thu 30 Sep   0358  0.1L   1247  8.2H   1643  7.7L   1940  8.1H 
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The data in the above table was generated using the program xtide, written by David Flater.
No guarantees as to the correctness of this data are made or implied.
Do not rely on it to make decisions which can result in harm to anyone or anything.

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