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 do not 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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Tidal Heights at Point Atkinson, British Columbia

Time Zone is PDTUnits are feet
Sat 01 May03:4811.3L08:0913.5H15:401.5L23:2815.4H
Sun 02 May05:1211.3L08:5812.5H16:352.5L
Mon 03 MayT00:3215.2H06:5010.8L10:0511.5H17:373.6L
Tue 04 May01:3215.1H08:199.8L11:4710.7H18:444.7L
Wed 05 May02:2614.9H09:158.8L13:3610.5H19:535.7L
Thu 06 May03:1014.7H09:577.7L15:0810.8H20:576.6L
Fri 07 May03:4614.5H10:326.7L16:2011.5H21:557.4L
Sat 08 May04:1614.3H11:045.8L17:1712.3H22:458.2L
Sun 09 May04:4114.0H11:325.0L18:0513.0H23:298.9L
Mon 10 May05:0313.8H12:004.2L18:4913.6H
Tue 11 May000:119.6L05:2413.6H12:273.6L19:3114.0H
Wed 12 May00:5010.2L05:4513.4H12:553.1L20:1214.3H
Thu 13 May01:2910.8L06:0513.2H13:242.8L20:5214.6H
Fri 14 May02:0911.2L06:2613.1H13:562.7L21:3414.7H
Sat 15 May02:5411.5L06:5012.8H14:292.9L22:1714.7H
Sun 16 May03:4711.7L07:1712.5H15:063.1L23:0314.7H
Mon 17 May04:5711.6L07:5012.0H15:483.6L23:5214.7H
Tue 18 May06:2611.2L08:3911.4H16:374.2L
Wed 19 MayG00:4114.6H07:3610.5L10:0910.8H17:344.8L
Thu 20 May01:2814.6H08:219.5L12:0110.4H18:405.6L
Fri 21 May02:0914.6H08:588.2L13:5210.7H19:486.3L
Sat 22 May02:4514.6H09:346.7L15:2011.5H20:537.2L
Sun 23 May03:1814.7H10:125.0L16:3212.5H21:538.2L
Mon 24 May03:4914.9H10:513.3L17:3613.6H22:499.2L
Tue 25 May04:2115.0H11:321.8L18:3514.6H23:4310.2L
Wed 26 May@04:5515.1H12:140.7L19:3115.3H
Thu 27 May00:3810.9L05:3315.0H12:580.1L20:2615.7H
Fri 28 May01:3511.4L06:1414.7H13:430.1L21:2015.9H
Sat 29 May02:3711.6L07:0014.0H14:310.6L22:1315.8H
Sun 30 May03:4611.4L07:5113.1H15:201.5L23:0615.7H
Mon 31 May05:0710.9L08:5012.1H16:102.7L23:5815.5H

QR code: https://www.dairiki.org/tides/monthly.php/pta/2021-05 Available online at

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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