| 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 8 | 5 | 3 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 1 | 15 | 0 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 31 | 3 | 6 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 7 | 79 | 240 | 23 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 6 | 444 | 7955 | 28076 |  | 
|  | 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 | 5 | 2 | 0 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 3 | 4 | 3 | 0 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 14 | 1 | 3 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 39 | 53 | 171 | 13 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 34 | 516 | 7965 | 28076 |  | 
 | 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 | 28 | 39 | 13 | 11 | 0 | 0 | 0 | 0 |  
| OW | 5 | 3 | 4 | 41 | 4 | 0 | 0 | 0 |  
| VODI | 0 | 1 | 1 | 48 | 82 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 3 | 64 | 9 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 11 | 75 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 2 | 871 | 868 | 936 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 32 | 35 | 11 | 4 | 0 | 0 | 0 | 0 |  
| OW | 1 | 8 | 7 | 88 | 69 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 11 | 78 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 13 | 3 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 2 | 14 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 1 | 938 | 868 | 936 |  | 
 | 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 | 18 | 14 | 38 | 0 | 0 | 0 | 0 |  
| OW | 0 | 1 | 8 | 98 | 2 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 213 | 160 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 32 | 684 | 1 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 1 | 264 | 194 | 1 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 64 | 1392 | 3010 | 3783 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 18 | 17 | 77 | 0 | 0 | 0 | 0 |  
| OW | 0 | 0 | 3 | 132 | 87 | 0 | 0 | 0 |  
| VODI | 0 | 1 | 2 | 115 | 330 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 52 | 376 | 1 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 6 | 253 | 103 | 2 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 128 | 1483 | 3009 | 3783 |  | 
 | Chuckchi Sea: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 1077 | 1757 | 29 | 0 | 0 | 0 | 0 | 0 |  
| OW | 32 | 361 | 94 | 62 | 0 | 0 | 0 | 0 |  
| VODI | 4 | 26 | 22 | 194 | 52 | 0 | 0 | 0 |  
| ODI | 0 | 3 | 0 | 29 | 146 | 9 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 16 | 82 | 52 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 69 | 694 | 791 | 52 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 1070 | 1528 | 35 | 5 | 0 | 0 | 0 | 0 |  
| OW | 39 | 346 | 30 | 41 | 4 | 0 | 0 | 0 |  
| VODI | 4 | 247 | 42 | 81 | 38 | 0 | 0 | 0 |  
| ODI | 0 | 18 | 32 | 77 | 75 | 1 | 0 | 0 |  
| CDI | 0 | 8 | 6 | 75 | 113 | 43 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 22 | 119 | 711 | 791 | 52 |  | 
 | 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 | 29 | 0 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 53 | 9 | 12 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 1 | 3 | 63 | 3 | 0 | 0 | 0 |  
| ODI | 0 | 1 | 1 | 15 | 46 | 0 | 0 | 0 |  
| CDI | 0 | 1 | 1 | 2 | 32 | 36 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 1 | 46 | 315 | 4709 | 1845 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 39 | 0 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 30 | 4 | 11 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 12 | 4 | 33 | 0 | 0 | 0 | 0 |  
| ODI | 0 | 2 | 3 | 35 | 12 | 0 | 0 | 0 |  
| CDI | 0 | 1 | 3 | 14 | 58 | 21 | 0 | 0 |  
| VCDI | 0 | 1 | 0 | 0 | 57 | 330 | 4709 | 1845 |  | 
 | 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 | 0 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 291 | 2767 | 2241 |  | 
|  | 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 | 291 | 2767 | 2241 |  | 
 | Kara Sea: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 246 | 1532 | 6 | 2 | 0 | 0 | 0 | 0 |  
| OW | 0 | 132 | 81 | 67 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 13 | 16 | 295 | 69 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 51 | 217 | 4 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 88 | 185 | 6 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 11 | 381 | 2746 | 169 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 246 | 1508 | 8 | 3 | 0 | 0 | 0 | 0 |  
| OW | 0 | 95 | 48 | 74 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 46 | 35 | 190 | 57 | 0 | 0 | 0 |  
| ODI | 0 | 28 | 12 | 101 | 142 | 18 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 47 | 122 | 145 | 20 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 64 | 407 | 2732 | 169 |  | 
 | Barents Sea: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 7707 | 2285 | 27 | 4 | 0 | 0 | 0 | 0 |  
| OW | 0 | 107 | 94 | 72 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 7 | 7 | 210 | 55 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 31 | 214 | 77 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 30 | 374 | 11 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 9 | 1 | 0 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 7707 | 2236 | 60 | 30 | 0 | 0 | 0 | 0 |  
| OW | 0 | 146 | 62 | 150 | 19 | 0 | 0 | 0 |  
| VODI | 0 | 17 | 6 | 134 | 140 | 19 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 3 | 133 | 104 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 7 | 326 | 12 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 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 | 5620 | 2177 | 24 | 10 | 0 | 0 | 0 | 0 |  
| OW | 0 | 154 | 91 | 66 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 9 | 15 | 246 | 40 | 0 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 63 | 139 | 4 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 3 | 161 | 341 | 20 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 3 | 168 | 2140 | 202 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 5620 | 2128 | 27 | 17 | 0 | 0 | 0 | 0 |  
| OW | 0 | 174 | 47 | 78 | 6 | 0 | 0 | 0 |  
| VODI | 0 | 35 | 49 | 143 | 41 | 1 | 0 | 0 |  
| ODI | 0 | 3 | 7 | 100 | 89 | 11 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 50 | 191 | 275 | 28 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 16 | 226 | 2132 | 202 |  | 
 | Southeast Greenland: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 10394 | 1823 | 83 | 149 | 30 | 0 | 0 | 0 |  
| OW | 0 | 6 | 11 | 84 | 127 | 13 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 29 | 60 | 45 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 49 | 27 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 16 | 41 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 10394 | 1820 | 75 | 158 | 35 | 0 | 0 | 0 |  
| OW | 0 | 9 | 15 | 59 | 148 | 37 | 0 | 0 |  
| VODI | 0 | 0 | 4 | 37 | 43 | 49 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 8 | 43 | 6 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 13 | 34 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 1083 | 1211 | 119 | 92 | 0 | 0 | 0 | 0 |  
| OW | 23 | 215 | 63 | 193 | 0 | 0 | 0 | 0 |  
| VODI | 12 | 43 | 19 | 380 | 93 | 0 | 0 | 0 |  
| ODI | 0 | 2 | 0 | 73 | 349 | 8 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 8 | 185 | 551 | 3 | 0 |  
| VCDI | 0 | 0 | 0 | 1 | 120 | 821 | 136 | 0 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 1048 | 1163 | 127 | 143 | 0 | 0 | 0 | 0 |  
| OW | 55 | 157 | 55 | 275 | 12 | 0 | 0 | 0 |  
| VODI | 15 | 119 | 19 | 245 | 189 | 3 | 0 | 0 |  
| ODI | 0 | 32 | 0 | 59 | 219 | 224 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 22 | 185 | 269 | 5 | 0 |  
| VCDI | 0 | 0 | 0 | 3 | 142 | 884 | 134 | 0 |  | 
 | Hudson Bay: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 7526 | 471 | 12 | 11 | 0 | 0 | 0 | 0 |  
| OW | 19 | 31 | 11 | 30 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 6 | 1 | 63 | 21 | 0 | 0 | 0 |  
| ODI | 0 | 5 | 0 | 30 | 49 | 10 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 13 | 59 | 70 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 75 | 25 | 0 | 0 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 7516 | 451 | 8 | 11 | 0 | 0 | 0 | 0 |  
| OW | 29 | 46 | 10 | 23 | 5 | 0 | 0 | 0 |  
| VODI | 0 | 9 | 5 | 26 | 29 | 0 | 0 | 0 |  
| ODI | 0 | 3 | 1 | 22 | 25 | 21 | 0 | 0 |  
| CDI | 0 | 3 | 0 | 29 | 22 | 39 | 0 | 0 |  
| VCDI | 0 | 1 | 0 | 36 | 123 | 45 | 0 | 0 |  | 
 | Labrador Sea: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 15739 | 0 | 4 | 0 | 0 | 0 | 0 | 0 |  
| OW | 3 | 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 | 0 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 15719 | 0 | 4 | 0 | 0 | 0 | 0 | 0 |  
| OW | 23 | 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 | 0 |  |