| 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 | 17 | 0 | 0 | 13 | 55 | 6 | 0 |  
| OW | 0 | 13 | 1 | 0 | 3 | 12 | 6 | 0 |  
| VODI | 0 | 11 | 0 | 0 | 1 | 21 | 15 | 0 |  
| ODI | 0 | 6 | 4 | 16 | 6 | 23 | 44 | 0 |  
| CDI | 0 | 4 | 3 | 30 | 163 | 287 | 163 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 73 | 856 | 12267 | 22783 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 7 | 0 | 0 | 16 | 71 | 11 | 0 |  
| OW | 0 | 12 | 1 | 0 | 1 | 22 | 32 | 0 |  
| VODI | 0 | 12 | 0 | 0 | 0 | 29 | 72 | 0 |  
| ODI | 0 | 11 | 0 | 0 | 1 | 26 | 77 | 0 |  
| CDI | 0 | 9 | 6 | 29 | 106 | 216 | 174 | 0 |  
| VCDI | 0 | 0 | 1 | 17 | 135 | 890 | 12135 | 22783 |  | 
 | 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 | 169 | 5 | 6 | 0 | 0 | 0 | 0 |  
| OW | 0 | 18 | 6 | 8 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 5 | 1 | 16 | 0 | 5 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 7 | 7 | 12 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 35 | 44 | 43 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 94 | 1329 | 1323 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 39 | 2 | 0 | 0 | 0 | 0 | 0 |  
| OW | 0 | 61 | 4 | 9 | 0 | 0 | 0 | 0 |  
| VODI | 0 | 68 | 0 | 5 | 0 | 9 | 0 | 0 |  
| ODI | 0 | 24 | 4 | 7 | 1 | 6 | 0 | 0 |  
| CDI | 0 | 0 | 2 | 15 | 37 | 51 | 136 | 2 |  
| VCDI | 0 | 0 | 0 | 1 | 4 | 89 | 1236 | 1321 |  | 
 | 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 | 167 | 16 | 102 | 19 | 0 | 0 | 0 |  
| OW | 0 | 121 | 12 | 89 | 11 | 0 | 0 | 0 |  
| VODI | 0 | 50 | 12 | 266 | 89 | 5 | 0 | 0 |  
| ODI | 0 | 2 | 2 | 92 | 500 | 141 | 0 | 0 |  
| CDI | 0 | 5 | 2 | 58 | 572 | 879 | 1 | 0 |  
| VCDI | 0 | 0 | 0 | 34 | 53 | 743 | 3478 | 2461 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 117 | 16 | 110 | 26 | 0 | 0 | 0 |  
| OW | 0 | 88 | 5 | 49 | 21 | 1 | 0 | 0 |  
| VODI | 0 | 93 | 8 | 122 | 46 | 20 | 0 | 0 |  
| ODI | 0 | 36 | 8 | 151 | 277 | 150 | 0 | 0 |  
| CDI | 0 | 4 | 4 | 153 | 758 | 588 | 5 | 0 |  
| VCDI | 0 | 7 | 3 | 56 | 116 | 1009 | 3474 | 2461 |  | 
 | Chuckchi Sea: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 40 | 895 | 8 | 19 | 1 | 0 | 0 | 0 |  
| OW | 7 | 195 | 15 | 18 | 1 | 0 | 0 | 0 |  
| VODI | 0 | 66 | 18 | 107 | 36 | 0 | 0 | 0 |  
| ODI | 0 | 1 | 2 | 51 | 74 | 3 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 23 | 154 | 106 | 5 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 45 | 366 | 3139 | 259 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 40 | 911 | 9 | 24 | 0 | 0 | 0 | 0 |  
| OW | 7 | 109 | 7 | 11 | 4 | 0 | 0 | 0 |  
| VODI | 0 | 91 | 8 | 37 | 16 | 0 | 0 | 0 |  
| ODI | 0 | 39 | 14 | 51 | 34 | 8 | 3 | 0 |  
| CDI | 0 | 7 | 5 | 89 | 147 | 59 | 37 | 0 |  
| VCDI | 0 | 0 | 0 | 6 | 110 | 408 | 3104 | 259 |  | 
 | 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 | 11 | 39 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 106 | 817 | 4625 | 1648 |  | 
|  | 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 | 20 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 0 | 9 | 97 | 26 |  
| VCDI | 0 | 0 | 0 | 0 | 106 | 819 | 4547 | 1622 |  | 
 | 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 | 29 | 25 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 42 | 36 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 315 | 753 | 2159 | 1967 |  | 
|  | 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 | 2 | 10 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 12 | 26 | 0 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 372 | 778 | 2159 | 1967 |  | 
 | 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 | 215 | 7 | 13 | 2 | 0 | 0 | 0 |  
| OW | 0 | 79 | 10 | 54 | 13 | 0 | 0 | 0 |  
| VODI | 0 | 44 | 2 | 107 | 163 | 14 | 0 | 0 |  
| ODI | 0 | 25 | 8 | 37 | 270 | 61 | 3 | 0 |  
| CDI | 0 | 1 | 1 | 92 | 323 | 420 | 50 | 0 |  
| VCDI | 0 | 0 | 0 | 5 | 88 | 826 | 3239 | 159 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 207 | 11 | 57 | 24 | 0 | 0 | 0 |  
| OW | 0 | 40 | 3 | 30 | 47 | 3 | 0 | 0 |  
| VODI | 0 | 41 | 2 | 51 | 126 | 38 | 7 | 0 |  
| ODI | 0 | 36 | 0 | 38 | 158 | 110 | 33 | 0 |  
| CDI | 0 | 39 | 11 | 82 | 310 | 251 | 97 | 0 |  
| VCDI | 0 | 1 | 1 | 50 | 194 | 919 | 3155 | 159 |  | 
 | Barents Sea: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 5402 | 3233 | 43 | 129 | 23 | 0 | 0 | 0 |  
| OW | 0 | 57 | 19 | 202 | 15 | 0 | 0 | 0 |  
| VODI | 0 | 15 | 4 | 235 | 332 | 4 | 0 | 0 |  
| ODI | 0 | 9 | 0 | 20 | 579 | 24 | 0 | 0 |  
| CDI | 0 | 5 | 1 | 16 | 134 | 333 | 153 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 6 | 72 | 266 | 0 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 5402 | 3145 | 41 | 150 | 25 | 0 | 0 | 0 |  
| OW | 0 | 84 | 14 | 162 | 49 | 0 | 0 | 0 |  
| VODI | 0 | 39 | 6 | 120 | 169 | 8 | 0 | 0 |  
| ODI | 0 | 28 | 2 | 40 | 242 | 35 | 2 | 0 |  
| CDI | 0 | 21 | 3 | 71 | 514 | 182 | 162 | 0 |  
| VCDI | 0 | 2 | 1 | 59 | 90 | 208 | 255 | 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 | 5758 | 2895 | 22 | 216 | 64 | 0 | 0 | 0 |  
| OW | 0 | 24 | 6 | 78 | 93 | 0 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 62 | 125 | 22 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 5 | 154 | 153 | 11 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 108 | 1283 | 68 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 223 | 326 | 0 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 5758 | 2902 | 26 | 271 | 165 | 2 | 0 | 0 |  
| OW | 0 | 14 | 2 | 45 | 105 | 34 | 0 | 0 |  
| VODI | 0 | 3 | 0 | 35 | 92 | 311 | 34 | 0 |  
| ODI | 0 | 0 | 0 | 10 | 67 | 221 | 20 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 103 | 780 | 61 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 12 | 333 | 290 | 0 |  | 
 | Southeast Greenland: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 8817 | 3419 | 51 | 202 | 94 | 4 | 0 | 0 |  
| OW | 0 | 11 | 6 | 32 | 79 | 5 | 0 | 0 |  
| VODI | 0 | 0 | 0 | 0 | 49 | 39 | 2 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 13 | 42 | 7 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 0 | 19 | 78 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 8817 | 3430 | 57 | 234 | 186 | 32 | 1 | 0 |  
| OW | 0 | 0 | 0 | 0 | 45 | 54 | 25 | 0 |  
| VODI | 0 | 0 | 0 | 0 | 4 | 23 | 60 | 0 |  
| ODI | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 0 | 891 | 17 | 29 | 1 | 0 | 0 | 0 |  
| OW | 0 | 124 | 24 | 147 | 9 | 0 | 0 | 0 |  
| VODI | 0 | 3 | 3 | 235 | 290 | 2 | 0 | 0 |  
| ODI | 0 | 0 | 0 | 5 | 675 | 102 | 0 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 109 | 854 | 244 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 80 | 1690 | 269 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 0 | 933 | 26 | 106 | 50 | 0 | 0 | 0 |  
| OW | 0 | 80 | 8 | 123 | 126 | 0 | 0 | 0 |  
| VODI | 0 | 5 | 10 | 165 | 424 | 87 | 1 | 0 |  
| ODI | 0 | 0 | 0 | 22 | 400 | 258 | 49 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 84 | 655 | 696 | 3 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 38 | 1188 | 266 |  | 
 | 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 | 81 | 29 | 0 | 0 | 0 |  
| OW | 0 | 0 | 0 | 44 | 39 | 28 | 4 | 0 |  
| VODI | 0 | 0 | 0 | 52 | 174 | 78 | 5 | 0 |  
| ODI | 0 | 0 | 0 | 5 | 280 | 191 | 11 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 256 | 1286 | 152 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 17 | 803 | 4389 | 663 |  | 
|  | 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 | 92 | 55 | 40 | 2 | 0 |  
| OW | 0 | 0 | 0 | 38 | 129 | 111 | 9 | 0 |  
| VODI | 0 | 0 | 0 | 25 | 192 | 245 | 29 | 0 |  
| ODI | 0 | 0 | 0 | 21 | 82 | 243 | 48 | 0 |  
| CDI | 0 | 0 | 0 | 6 | 234 | 725 | 290 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 103 | 1022 | 4183 | 663 |  | 
 | Labrador Sea: | 
|
| 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 12478 | 4571 | 54 | 409 | 247 | 36 | 1 | 0 |  
| OW | 0 | 4 | 11 | 190 | 114 | 34 | 5 | 0 |  
| VODI | 0 | 0 | 0 | 125 | 316 | 70 | 9 | 0 |  
| ODI | 0 | 0 | 0 | 5 | 341 | 149 | 18 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 22 | 284 | 69 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 17 | 630 | 0 |  | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 12478 | 4575 | 63 | 587 | 452 | 86 | 11 | 0 |  
| OW | 0 | 0 | 2 | 98 | 236 | 101 | 20 | 0 |  
| VODI | 0 | 0 | 0 | 40 | 251 | 205 | 43 | 0 |  
| ODI | 0 | 0 | 0 | 4 | 94 | 158 | 30 | 0 |  
| CDI | 0 | 0 | 0 | 0 | 7 | 33 | 248 | 0 |  
| VCDI | 0 | 0 | 0 | 0 | 0 | 7 | 380 | 0 |  |