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 Friday Harbor, San Juan Island, Washington
Next month's tides
September 2010
48°32.8'N 123°0.6'W  
Tide Tide Tide Tide
  Time Zone is PDT   Units are feet
 Wed 01 Sep   0439  0.2L   1338  6.0H   1610  5.8L   2111  6.7H 
 Thu 02 Sep   0538  -0.2L   1501  6.3H   1753  6.1L   2156  6.7H 
 Fri 03 Sep   0639  -0.6L   1546  6.7H   1931  6.1L   2303  6.5H 
 Sat 04 Sep   0739  -1.0L   1617  6.9H   2039  5.7L 
 Sun 05 Sep   0030  6.4H   0835  -1.1L   1644  7.1H   2131  5.1L 
 Mon 06 Sep   0200  6.4H   0926  -1.1L   1709  7.2H   2217  4.2L 
 Tue 07 Sep   0324  6.5H   1015  -0.6L   1733  7.3H   2302  3.1L 
 Wed 08 Sep   0442  6.6H   1102  0.3L   1756  7.4H   2346  2.0L 
 Thu 09 Sep   0555  6.8H   1148  1.4L   1821  7.5H 
 Fri 10 Sep   0031  0.9L   0706  6.9H   1233  2.7L   1846  7.6H 
 Sat 11 Sep   0118  0.1L   0817  7.0H   1320  3.9L   1913  7.7H 
 Sun 12 Sep   0206  -0.3L   0931  7.0H   1410  5.0L   1942  7.5H 
 Mon 13 Sep   0257  -0.5L   1051  7.1H   1511  5.8L   2013  7.3H 
 Tue 14 Sep   0351  -0.3L   1218  7.1H   1640  6.3L   2047  6.9H 
 Wed 15 Sep   0451  -0.1L   1342  7.3H   1847  6.3L   2130  6.5H 
 Thu 16 Sep   0555  0.3L   1445  7.4H   2034  5.9L   2240  6.0H 
 Fri 17 Sep   0659  0.5L   1530  7.4H   2128  5.4L 
 Sat 18 Sep   0021  5.6H   0757  0.7L   1605  7.3H   2201  4.8L 
 Sun 19 Sep   0154  5.5H   0848  0.9L   1633  7.2H   2226  4.2L 
 Mon 20 Sep   0309  5.5H   0932  1.2L   1656  7.0H   2247  3.6L 
 Tue 21 Sep   0411  5.7H   1012  1.7L   1715  6.9H   2308  2.9L 
 Wed 22 Sep   0506  5.9H   1048  2.2L   1730  6.7H   2330  2.2L 
 Thu 23 Sep   0557  6.1H   1123  2.8L   1744  6.7H   2356  1.5L 
 Fri 24 Sep   0646  6.3H   1157  3.4L   1757  6.6H 
 Sat 25 Sep   0024  0.9L   0734  6.5H   1233  4.1L   1810  6.6H 
 Sun 26 Sep   0056  0.4L   0823  6.7H   1310  4.7L   1825  6.6H 
 Mon 27 Sep   0131  0.1L   0916  6.7H   1349  5.2L   1843  6.6H 
 Tue 28 Sep   0212  -0.2L   1016  6.7H   1436  5.6L   1903  6.6H 
 Wed 29 Sep   0258  -0.3L   1127  6.8H   1540  6.0L   1930  6.5H 
 Thu 30 Sep   0351  -0.4L   1242  6.8H   1715  6.1L   2008  6.3H 
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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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