| Best estimate | Forecast | 
 |  | 
| Arctic Deep Basin: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 73 | 4 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 44 | 5 | 18 | 1 | 0 | 0 | 0 |  
| VODI | 0 | 24 | 3 | 31 | 16 | 0 | 0 | 0 |  
| ODI | 0 | 14 | 3 | 11 | 33 | 3 | 0 | 0 |  
| CDI | 0 | 3 | 0 | 18 | 48 | 27 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 4 | 59 | 313 | 5208 | 30939 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 66 | 4 | 2 | 0 | 0 | 0 | 0 |  
| OW | 0 | 31 | 5 | 16 | 1 | 0 | 0 | 0 |  
| VODI | 0 | 23 | 2 | 24 | 15 | 0 | 0 | 0 |  
| ODI | 0 | 16 | 1 | 10 | 24 | 1 | 0 | 0 |  
| CDI | 0 | 19 | 2 | 9 | 21 | 17 | 0 | 0 |  
| VCDI | 0 | 3 | 1 | 21 | 96 | 325 | 5208 | 30939 |  | 
 | Queen Elisabeth Islands: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 71 | 470 | 2592 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 71 | 470 | 2586 |  | 
 | Beaufort Sea: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9982 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9982 |  | 
 | Chuckchi Sea: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 26 | 505 | 5121 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 26 | 505 | 5121 |  | 
 | Siberian Sea: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7246 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7246 |  | 
 | Laptev Sea: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 0 | 34 | 18 | 6 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 185 | 1773 | 3310 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 0 | 29 | 21 | 6 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 190 | 1770 | 3310 |  | 
 | Kara Sea: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 3 | 6 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 62 | 19 | 9 | 7 |  
| VCDI | 0 | 0 | 0 | 0 | 28 | 91 | 2116 | 3990 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 |  
| VCDI | 0 | 0 | 0 | 0 | 93 | 116 | 2125 | 3982 |  | 
 | Barents Sea: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 2670 | 3617 | 58 | 354 | 249 | 39 | 2 | 0 |  
| OW | 0 | 28 | 8 | 124 | 204 | 44 | 8 | 0 |  
| VODI | 0 | 6 | 1 | 36 | 299 | 72 | 8 | 0 |  
| ODI | 0 | 0 | 0 | 3 | 145 | 170 | 14 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 141 | 260 | 41 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 83 | 626 | 2021 | 0 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 2670 | 3536 | 54 | 366 | 305 | 48 | 2 | 0 |  
| OW | 0 | 106 | 6 | 53 | 180 | 50 | 10 | 0 |  
| VODI | 0 | 8 | 7 | 80 | 219 | 104 | 14 | 0 |  
| ODI | 0 | 1 | 0 | 16 | 130 | 106 | 19 | 0 |  
| CDI | 0 | 0 | 0 | 2 | 121 | 172 | 40 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 166 | 731 | 2009 | 0 |  | 
 | Greenland Basin: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 5737 | 3459 | 15 | 75 | 21 | 0 | 0 | 0 |  
| OW | 0 | 165 | 4 | 19 | 18 | 1 | 0 | 0 |  
| VODI | 0 | 105 | 13 | 118 | 44 | 0 | 0 | 0 |  
| ODI | 0 | 35 | 1 | 45 | 65 | 3 | 0 | 0 |  
| CDI | 0 | 22 | 2 | 20 | 101 | 51 | 0 | 0 |  
| VCDI | 0 | 26 | 5 | 55 | 145 | 313 | 986 | 27 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 5737 | 3239 | 14 | 72 | 25 | 0 | 0 | 0 |  
| OW | 0 | 227 | 2 | 17 | 11 | 1 | 0 | 0 |  
| VODI | 0 | 167 | 9 | 34 | 18 | 0 | 0 | 0 |  
| ODI | 0 | 76 | 5 | 65 | 17 | 3 | 0 | 0 |  
| CDI | 0 | 49 | 3 | 52 | 71 | 25 | 0 | 0 |  
| VCDI | 0 | 54 | 7 | 92 | 252 | 339 | 986 | 27 |  | 
 | Southeast Greenland: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 9339 | 2563 | 29 | 78 | 98 | 28 | 0 | 0 |  
| OW | 0 | 99 | 15 | 27 | 43 | 9 | 2 | 0 |  
| VODI | 0 | 18 | 8 | 44 | 45 | 36 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 23 | 35 | 96 | 31 | 0 |  
| CDI | 0 | 0 | 0 | 7 | 36 | 95 | 121 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 9 | 4 | 50 | 0 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 9339 | 2589 | 37 | 98 | 141 | 58 | 2 | 0 |  
| OW | 0 | 56 | 7 | 27 | 15 | 27 | 9 | 0 |  
| VODI | 0 | 32 | 3 | 14 | 45 | 55 | 41 | 0 |  
| ODI | 0 | 3 | 5 | 20 | 7 | 83 | 103 | 0 |  
| CDI | 0 | 0 | 0 | 20 | 39 | 39 | 44 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 19 | 6 | 5 | 0 |  | 
 | Baffin Bay: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 120 | 9 | 47 | 3 | 0 | 0 | 0 |  
| OW | 0 | 8 | 3 | 26 | 40 | 0 | 0 | 0 |  
| VODI | 0 | 3 | 1 | 30 | 57 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 22 | 60 | 6 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 7 | 82 | 30 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 103 | 956 | 3126 | 1064 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 104 | 8 | 34 | 15 | 0 | 0 | 0 |  
| OW | 0 | 13 | 2 | 21 | 39 | 0 | 0 | 0 |  
| VODI | 0 | 13 | 2 | 25 | 52 | 8 | 0 | 0 |  
| ODI | 0 | 1 | 1 | 31 | 26 | 15 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 17 | 48 | 23 | 1 | 0 |  
| VCDI | 0 | 0 | 0 | 4 | 165 | 946 | 3125 | 1064 |  | 
 | Hudson Bay: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 13 |  
| VCDI | 0 | 0 | 0 | 0 | 22 | 326 | 2945 | 5280 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 26 |  
| VCDI | 0 | 0 | 0 | 0 | 22 | 326 | 2944 | 5267 |  | 
 | Labrador Sea: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 12224 | 4021 | 40 | 119 | 11 | 0 | 0 | 0 |  
| OW | 0 | 99 | 30 | 181 | 44 | 0 | 0 | 0 |  
| VODI | 0 | 2 | 2 | 197 | 142 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 56 | 217 | 10 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 4 | 373 | 73 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 455 | 1559 | 350 | 0 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 12224 | 3979 | 45 | 160 | 23 | 0 | 0 | 0 |  
| OW | 0 | 106 | 17 | 132 | 49 | 0 | 0 | 0 |  
| VODI | 0 | 36 | 9 | 150 | 108 | 4 | 0 | 0 |  
| ODI | 0 | 1 | 1 | 97 | 163 | 12 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 18 | 268 | 37 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 631 | 1589 | 350 | 0 |  |