sighting by month: August 1998
| Individual | Sighting no. | Month | Day | Year | Photographer | Location | Behavior | Associate | Notes |
| CSG760 | 1142 | Aug | 28 | 1998 | Jim Darling | S End Wreck Bay | Feeding-benthic | JD98-10/27 | |
| CSG222 | 1100 | Aug | 26 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-9/21 | |
| CSG269 | 1106 | Aug | 26 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-10/19, JD98-10/14 | |
| CSG279 | 1123 | Aug | 26 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-10/18, JD98-10/10 | |
| CSG296 | 1223 | Aug | 26 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-10/06, JD98-10/07 | |
| CSG297 | 1239 | Aug | 26 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-9/27 | |
| CSG508 | 1310 | Aug | 26 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-10/17 | |
| CSG27 | 1424 | Aug | 26 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-9/33 | |
| CSG552 | 1522 | Aug | 26 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-10/22 | |
| CSG105 | 1416 | Aug | 25 | 1998 | Jim Darling | Estevan | Feeding-plankton-mysids | JD98-8/16A and 22A | |
| CSG27 | 1423 | Aug | 25 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-6/30 | |
| CSG139 | 1474 | Aug | 25 | 1998 | John Calambokidis | Oregon | Unknown | JAC98-31/19, JAC98-31/11, JAC98-29/29 | |
| CSG552 | 1523 | Aug | 25 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-7/19 | |
| CSG302 | 1560 | Aug | 25 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-7/08, JD98-7/04 | |
| CSG589 | 1608 | Aug | 25 | 1998 | Jim Darling | Estevan | Feeding-plankton-mysids | JD98-8/10A | |
| CSG279 | 2038 | Aug | 25 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-7/21 | |
| CSG262 | 2045 | Aug | 25 | 1998 | Jim Darling | Estevan | Feeding-plankton-mysids | JD98-8/33A ID175 | |
| CSG503 | 1363 | Aug | 25 | 1998 | Jim Darling | Rafael | Feeding-epibenthic-amphipods | JD98-6/35, recognize as a recent whale | |
| CSG23 | 1319 | Aug | 25 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-7/14 | |
| CSG508 | 1306 | Aug | 25 | 1998 | Jim Darling | Estevan | Feeding-plankton-mysids | JD98-8/32A, JD98-9/04 | |
| CSG13 | 487 | Aug | 25 | 1998 | Jim Darling | Estevan | Feeding-plankton-mysids | 8/04A, 8/07A | |
| CSG222 | 1101 | Aug | 25 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-7/33 | |
| CSG269 | 1107 | Aug | 25 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-7-17 | |
| CSG760 | 1141 | Aug | 25 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-7/06, JD98-7/07 | |
| CSG60 | 1154 | Aug | 25 | 1998 | Jim Darling | Estevan | Feeding-plankton-mysids | JD98-8/27A | |
| CSG297 | 1238 | Aug | 25 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-6/20 | |
| CSG198 | 1277 | Aug | 25 | 1998 | Jim Darling | Boulder Point | Feeding-plankton-mysids | JD98-9/16 and 18 | |
| CSG139 | 1490 | Aug | 16 | 1998 | Christina Tombach | Clayoquot Sound | Unknown | CT98-43/12 | |
| CSG262 | 1098 | Aug | 1 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-4/28 ID175 | |
| CSG808 | 1099 | Aug | 1 | 1998 | Jim Darling | Rafael | Feeding-plankton-mysids | JD98-5/23 |