Columbia River - Portuguese Point Tide Times and Heights
- 1:30 am0.94ft
- 8:37 am5.67ft
- 1:49 pm4.48ft
- 7:02 pm6.41ft
 
- 2:40 am1.01ft
- 9:33 am5.94ft
- 3:13 pm3.93ft
- 8:29 pm6.17ft
 
- 3:44 am0.97ft
- 10:21 am6.41ft
- 4:23 pm3.03ft
- 9:53 pm6.26ft
 
- 4:38 am0.9ft
- 11:01 am6.97ft
- 5:22 pm1.84ft
- 11:04 pm6.5ft
 
- 4:26 am0.97ft
- 10:38 am7.56ft
- 5:14 pm0.65ft
- 11:06 pm6.79ft
 
- 5:11 am1.19ft
- 11:14 am8.18ft
- 6:03 pm-0.43ft
 
- 12:02 am7.06ft
- 5:55 am1.55ft
- 11:51 am8.68ft
- 6:50 pm-1.26ft