| Unnamed storm 1, 1903 South Indian Ocean | Oct 31 – Nov 5 | — | — | Storm |
| Unnamed storm 2, 1903 South Indian Ocean | Nov 1 – Nov 7 | — | — | Storm |
| Unnamed storm 3, 1903 South Indian Ocean | Nov 9 – Nov 13 | — | — | Storm |
| Unnamed storm 4, 1903 South Indian Ocean | Nov 30 – Dec 10 | — | — | Storm |
| Unnamed storm 5, 1903 South Indian Ocean | Dec 9 – Dec 18 | — | — | Storm |
| Unnamed storm 6, 1903 South Indian Ocean | Dec 11 – Dec 13 | — | — | Storm |
| Unnamed storm 7, 1903 South Indian Ocean | Dec 20 – Dec 25 | — | — | Storm |
| Unnamed storm 8, 1903 South Indian Ocean | Jan 9 – Jan 19 | — | — | Storm |
| Unnamed storm 9, 1903 South Indian Ocean | Jan 10 – Jan 14 | — | — | Storm |
| Unnamed storm 10, 1903 South Indian Ocean | Jan 10 – Jan 14 | — | — | Storm |
| Unnamed storm 11, 1903 South Indian Ocean | Jan 11 – Jan 17 | — | — | Storm |
| Unnamed storm 12, 1903 South Indian Ocean | Jan 11 – Jan 18 | — | — | Storm |
| Unnamed storm 13, 1903 South Indian Ocean | Jan 11 – Jan 15 | — | — | Storm |
| Unnamed storm 14, 1903 South Indian Ocean | Jan 21 – Jan 27 | — | — | Storm |
| Unnamed storm 15, 1903 South Indian Ocean | Feb 1 – Feb 9 | — | — | Storm |
| Unnamed storm 16, 1903 South Indian Ocean | Feb 7 – Feb 10 | — | — | Storm |
| Unnamed storm 17, 1903 South Indian Ocean | Feb 7 – Feb 9 | — | — | Storm |
| Unnamed storm 18, 1903 South Indian Ocean | Feb 8 – Feb 14 | — | — | Storm |
| Unnamed storm 19, 1903 South Indian Ocean | Feb 10 – Feb 16 | — | — | Storm |
| Unnamed storm 20, 1903 South Indian Ocean | Feb 10 – Feb 12 | — | — | Storm |
| Unnamed storm 21, 1903 South Indian Ocean | Feb 10 – Feb 11 | — | — | Storm |
| Unnamed storm 22, 1903 South Indian Ocean | Feb 11 – Feb 15 | — | — | Storm |
| Unnamed storm 23, 1903 South Indian Ocean | Feb 11 – Feb 14 | — | — | Storm |
| Unnamed storm 24, 1903 South Indian Ocean | Mar 1 – Mar 7 | — | — | Storm |
| Unnamed storm 25, 1903 South Indian Ocean | Mar 9 – Mar 13 | — | — | Storm |
| Unnamed storm 26, 1903 South Indian Ocean | Mar 11 – Mar 24 | — | — | Storm |
| Unnamed storm 27, 1903 South Indian Ocean | Mar 20 – Apr 5 | — | — | Storm |