Columbia River - Ryan Island Tide Times and Heights
- 4:56 am0.62ft
- 11:08 am6ft
- 5:15 pm1.87ft
- 10:40 pm5.87ft
 
- 5:46 am0.49ft
- 11:47 am6.59ft
- 6:20 pm1.08ft
- 11:50 pm6.07ft
 
- 5:30 am0.46ft
- 11:24 am7.22ft
- 6:18 pm0.3ft
- 11:50 pm6.3ft
 
- 6:12 am0.59ft
- 12:00 pm7.84ft
- 7:12 pm-0.39ft
 
- 12:44 am6.46ft
- 6:53 am0.85ft
- 12:36 pm8.4ft
- 8:04 pm-0.89ft
 
- 1:37 am6.5ft
- 7:36 am1.21ft
- 1:14 pm8.79ft
- 8:56 pm-1.18ft
 
- 2:29 am6.46ft
- 8:20 am1.54ft
- 1:53 pm8.96ft
- 9:48 pm-1.25ft