Key - Shading by Saffir Simpson Hurricane Scale
| Tropical Depression or Unknown or Missing |
Tropical Storm | Hurricane Cat 1 | Cat 2 | Cat 3 | Cat 4 | Cat 5 |
1866
Storms are listed in the basin where they reached their maximum intensity. Asterisks denote landfall on a major island or continent.
| Northern Atlantic | Southern Indian |
|
AL01
*
Jun 1-6 |
UNNAMED
Nov 30-Dec 6 |
|
UNNAMED
*
Jul 11-16 |
UNNAMED
Jan 1-9 |
|
AL02
*
Aug 13-18 |
UNNAMED
Feb 1-5 |
|
AL03
*
Aug 17-19 |
UNNAMED
Jan 31-Feb 3 |
|
UNNAMED
Aug 29-Sep 11 |
UNNAMED
Feb 28-Mar 8 |
|
AL04
Sep 4-7 |
UNNAMED
Mar 20-24 |
|
UNNAMED
Sep 17-22 |
UNNAMED
Mar 31-Apr 5 |
|
UNNAMED
*
Sep 19-24 |
UNNAMED
Apr 11-16 |
|
UNNAMED
Sep 20-Oct 7 |
UNNAMED
Apr 10-15 |
|
UNNAMED
Sep 26-Oct 2 |
UNNAMED
Apr 11-15 |
|
AL05
Oct 21-31 |
UNNAMED
Apr 10-13 |
|
UNNAMED
*
Oct 28-30 |
UNNAMED
Apr 11-13 |
|
UNNAMED
Apr 11-16 |