| Unnamed storm 1, 1915 West Pacific | Feb 2 – Feb 4 | — | — | Storm |
| Unnamed storm 2, 1915 West Pacific | Feb 16 – Feb 19 | — | — | Storm |
| Unnamed storm 3, 1915 West Pacific | May 11 – May 16 | — | — | Storm |
| Unnamed storm 4, 1915 West Pacific | May 14 – May 15 | — | — | Storm |
| Unnamed storm 5, 1915 West Pacific | May 26 – May 30 | — | — | Storm |
| Unnamed storm 6, 1915 West Pacific | Jun 27 – Jun 29 | — | — | Storm |
| Unnamed storm 7, 1915 West Pacific | Jul 19 – Jul 27 | — | — | Storm |
| Unnamed storm 8, 1915 West Pacific | Jul 21 – Jul 22 | — | — | Storm |
| Unnamed storm 9, 1915 West Pacific | Jul 30 – Aug 4 | — | — | Storm |
| Unnamed storm 10, 1915 West Pacific | Jul 31 – Aug 4 | — | — | Storm |
| Unnamed storm 11, 1915 West Pacific | Aug 19 – Aug 23 | — | — | Storm |
| Unnamed storm 12, 1915 West Pacific | Aug 25 – Aug 25 | — | — | Storm |
| Unnamed storm 13, 1915 West Pacific | Sep 2 – Sep 10 | — | — | Storm |
| Unnamed storm 14, 1915 West Pacific | Sep 10 – Sep 12 | — | — | Storm |
| Unnamed storm 15, 1915 West Pacific | Sep 11 – Sep 13 | — | — | Storm |
| Unnamed storm 16, 1915 West Pacific | Sep 22 – Sep 26 | — | — | Storm |
| Unnamed storm 17, 1915 West Pacific | Oct 3 – Oct 8 | — | — | Storm |
| Unnamed storm 18, 1915 West Pacific | Oct 8 – Oct 11 | — | — | Storm |
| Unnamed storm 19, 1915 West Pacific | Oct 15 – Oct 19 | — | — | Storm |
| Unnamed storm 20, 1915 West Pacific | Oct 15 – Oct 18 | — | — | Storm |
| Unnamed storm 21, 1915 West Pacific | Oct 21 – Oct 26 | — | — | Storm |
| Unnamed storm 22, 1915 West Pacific | Oct 22 – Oct 28 | — | — | Storm |
| Unnamed storm 23, 1915 West Pacific | Oct 25 – Oct 31 | — | — | Storm |
| Unnamed storm 24, 1915 West Pacific | Nov 2 – Nov 6 | — | — | Storm |
| Unnamed storm 25, 1915 West Pacific | Nov 10 – Nov 14 | — | — | Storm |
| Unnamed storm 26, 1915 West Pacific | Nov 15 – Nov 16 | — | — | Storm |
| Unnamed storm 27, 1915 West Pacific | Dec 4 – Dec 9 | — | — | Storm |