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Station GSLM4 - Search and Rescue Data
Gravelly Shoal Light, MI
44.018 N 83.537 W (44°1'6" N 83°32'14" W)
Average surface winds - six hour block.
| 01-23-2019 | 0600Z | 154 | 6 | 21 | - | 0 |
| 01-23-2019 | 0000Z | 158 | 9 | 42 | - | 0 |
| 01-22-2019 | 1800Z | 143 | 14 | 37 | - | 0 |
| 01-22-2019 | 1200Z | 146 | 15 | 39 | - | 0 |
| 01-22-2019 | 0600Z | 155 | 8 | 38 | - | 0 |
| 01-22-2019 | 0000Z | 166 | 2 | 35 | - | 0 |
| 01-21-2019 | 1800Z | 269 | 6 | 42 | - | 0 |
| 01-21-2019 | 1200Z | 304 | 14 | 42 | - | 0 |
| 01-21-2019 | 0600Z | 300 | 17 | 40 | - | 0 |
| 01-21-2019 | 0000Z | 312 | 16 | 36 | - | 0 |
| 01-20-2019 | 1800Z | 328 | 17 | 43 | - | 0 |
| 01-20-2019 | 1200Z | 320 | 21 | 44 | - | 0 |
| 01-20-2019 | 0600Z | 328 | 24 | 40 | - | 0 |
| 01-20-2019 | 0000Z | 344 | 23 | 42 | - | 0 |
| 01-19-2019 | 1800Z | 29 | 20 | 42 | - | 0 |
| 01-19-2019 | 1200Z | 41 | 19 | 42 | - | 0 |
| 01-19-2019 | 0600Z | 352 | 17 | 38 | - | 0 |
| 01-19-2019 | 0000Z | 324 | 12 | 33 | - | 0 |
| 01-18-2019 | 1800Z | 271 | 13 | 37 | - | 0 |
| 01-18-2019 | 1200Z | 276 | 11 | 41 | - | 0 |
| 01-18-2019 | 0600Z | 259 | 7 | 42 | - | 0 |
| 01-18-2019 | 0000Z | 142 | 6 | 35 | - | 0 |
| 01-17-2019 | 1800Z | 131 | 12 | 41 | - | 0 |
| 01-17-2019 | 1200Z | 132 | 7 | 42 | - | 0 |
| 01-17-2019 | 0600Z | 350 | 6 | 42 | - | 0 |
| 01-17-2019 | 0000Z | 315 | 8 | 33 | - | 0 |
| 01-16-2019 | 1800Z | 301 | 10 | 38 | - | 0 |
| 01-16-2019 | 1200Z | 288 | 19 | 42 | - | 0 |
| 01-16-2019 | 0600Z | 226 | 17 | 43 | - | 0 |
| 01-16-2019 | 0000Z | 207 | 17 | 39 | - | 0 |
| 01-15-2019 | 1800Z | 205 | 13 | 40 | - | 0 |
| 01-15-2019 | 1200Z | 215 | 16 | 41 | - | 0 |
| 01-15-2019 | 0600Z | 214 | 14 | 42 | - | 0 |
| 01-15-2019 | 0000Z | 212 | 5 | 40 | - | 0 |
| 01-14-2019 | 1800Z | 245 | 12 | 40 | - | 0 |
| 01-14-2019 | 1200Z | 250 | 10 | 38 | - | 0 |
| 01-14-2019 | 0600Z | 249 | 3 | 38 | - | 0 |
| 01-14-2019 | 0000Z | 33 | 8 | 36 | - | 0 |
| 01-13-2019 | 1800Z | 45 | 12 | 39 | - | 0 |
| 01-13-2019 | 1200Z | 56 | 16 | 41 | - | 0 |
| 01-13-2019 | 0600Z | 52 | 16 | 40 | - | 0 |
| 01-13-2019 | 0000Z | 60 | 16 | 35 | - | 0 |
| 01-12-2019 | 1800Z | 81 | 17 | 37 | - | 0 |
| 01-12-2019 | 1200Z | 21 | 7 | 41 | - | 0 |
| 01-12-2019 | 0600Z | 104 | 4 | 41 | - | 0 |
| 01-12-2019 | 0000Z | 94 | 1 | 41 | - | 0 |
| 01-11-2019 | 1800Z | 245 | 2 | 38 | - | 0 |
| 01-11-2019 | 1200Z | 321 | 8 | 39 | - | 0 |
| 01-11-2019 | 0600Z | 318 | 13 | 41 | - | 0 |
| 01-11-2019 | 0000Z | 296 | 13 | 36 | - | 0 |
| 01-10-2019 | 1800Z | 306 | 14 | 42 | - | 0 |
| 01-10-2019 | 1200Z | 312 | 17 | 39 | - | 0 |
| 01-10-2019 | 0600Z | 297 | 20 | 44 | - | 0 |
| 01-10-2019 | 0000Z | 285 | 22 | 38 | - | 0 |
| 01-09-2019 | 1800Z | 279 | 24 | 43 | - | 0 |
| 01-09-2019 | 1200Z | 275 | 23 | 45 | - | 0 |
| 01-09-2019 | 0600Z | 276 | 19 | 42 | - | 0 |
| 01-09-2019 | 0000Z | 258 | 18 | 36 | - | 0 |
| 01-08-2019 | 1800Z | 218 | 10 | 42 | - | 0 |
| 01-08-2019 | 1200Z | 211 | 6 | 37 | - | 0 |
| 01-08-2019 | 0600Z | 237 | 21 | 39 | - | 0 |
| 01-08-2019 | 0000Z | 169 | 16 | 36 | - | 0 |
| 01-07-2019 | 1800Z | 130 | 28 | 43 | - | 0 |
| 01-07-2019 | 1200Z | 115 | 23 | 42 | - | 0 |
| 01-07-2019 | 0600Z | 94 | 18 | 42 | - | 0 |
| 01-07-2019 | 0000Z | 51 | 13 | 36 | - | 0 |
| 01-06-2019 | 1800Z | 356 | 10 | 42 | - | 0 |
| 01-06-2019 | 1200Z | 319 | 12 | 39 | - | 0 |
| 01-06-2019 | 0600Z | 300 | 13 | 42 | - | 0 |
| 01-06-2019 | 0000Z | 242 | 13 | 36 | - | 0 |
| 01-05-2019 | 1800Z | 192 | 4 | 36 | - | 0 |
| 01-05-2019 | 1200Z | 109 | 1 | 39 | - | 0 |
| 01-05-2019 | 0600Z | 335 | 7 | 40 | - | 0 |
| 01-05-2019 | 0000Z | 242 | 3 | 34 | - | 0 |
| 01-04-2019 | 1800Z | 203 | 7 | 42 | - | 0 |
| 01-04-2019 | 1200Z | 206 | 11 | 42 | - | 0 |
| 01-04-2019 | 0600Z | 209 | 17 | 43 | - | 0 |
| 01-04-2019 | 0000Z | 209 | 10 | 33 | - | 0 |
| 01-03-2019 | 1800Z | 211 | 16 | 41 | - | 0 |
| 01-03-2019 | 1200Z | 224 | 18 | 43 | - | 0 |
| 01-03-2019 | 0600Z | 242 | 19 | 42 | - | 0 |
| 01-03-2019 | 0000Z | 160 | 14 | 30 | - | 0 |
| 01-02-2019 | 1800Z | 139 | 14 | 37 | - | 0 |
| 01-02-2019 | 1200Z | 127 | 4 | 41 | - | 0 |
| 01-02-2019 | 0600Z | 343 | 5 | 42 | - | 0 |
| 01-02-2019 | 0000Z | 349 | 8 | 34 | - | 0 |
| 01-01-2019 | 1800Z | 329 | 9 | 42 | - | 0 |
| 01-01-2019 | 1200Z | 319 | 15 | 41 | - | 0 |
| 01-01-2019 | 0600Z | 332 | 18 | 38 | - | 0 |
| 01-01-2019 | 0000Z | 28 | 16 | 32 | - | 0 |
| 12-31-2018 | 1800Z | 85 | 9 | 35 | - | 0 |
| 12-31-2018 | 1200Z | 140 | 9 | 40 | - | 0 |
| 12-31-2018 | 0600Z | 179 | 4 | 42 | - | 0 |
| 12-31-2018 | 0000Z | 193 | 8 | 36 | - | 0 |
| 12-30-2018 | 1800Z | 209 | 15 | 42 | - | 0 |
| 12-30-2018 | 1200Z | 220 | 20 | 43 | - | 0 |
| 12-30-2018 | 0600Z | 158 | 6 | 42 | - | 0 |
| 12-30-2018 | 0000Z | 181 | 6 | 37 | - | 0 |
| 12-29-2018 | 1800Z | 247 | 4 | 40 | - | 0 |
| 12-29-2018 | 1200Z | 325 | 12 | 37 | - | 0 |
| 12-29-2018 | 0600Z | 296 | 14 | 42 | - | 0 |
| 12-29-2018 | 0000Z | 234 | 20 | 40 | - | 0 |
| 12-28-2018 | 1800Z | 219 | 17 | 43 | - | 0 |
| 12-28-2018 | 1200Z | 153 | 18 | 41 | - | 0 |
| 12-28-2018 | 0600Z | 149 | 12 | 41 | - | 0 |
| 12-28-2018 | 0000Z | 133 | 19 | 31 | - | 0 |
| 12-27-2018 | 1800Z | 109 | 16 | 42 | - | 0 |
| 12-27-2018 | 1200Z | 96 | 17 | 38 | - | 0 |
| 12-27-2018 | 0600Z | 90 | 15 | 41 | - | 0 |
| 12-27-2018 | 0000Z | 67 | 9 | 37 | - | 0 |
| 12-26-2018 | 1800Z | 287 | 3 | 42 | - | 0 |
| 12-26-2018 | 1200Z | 251 | 6 | 40 | - | 0 |
| 12-26-2018 | 0600Z | 222 | 11 | 40 | - | 0 |
| 12-26-2018 | 0000Z | 212 | 9 | 42 | - | 0 |
| 12-25-2018 | 1800Z | 217 | 10 | 41 | - | 0 |
| 12-25-2018 | 1200Z | 257 | 6 | 42 | - | 0 |
| 12-25-2018 | 0600Z | 267 | 9 | 38 | - | 0 |
| 12-25-2018 | 0000Z | 257 | 15 | 42 | - | 0 |
| 12-24-2018 | 1800Z | 264 | 19 | 42 | - | 0 |
| 12-24-2018 | 1200Z | 245 | 18 | 37 | - | 0 |
| 12-24-2018 | 0600Z | 221 | 15 | 39 | - | 0 |
| 12-24-2018 | 0000Z | 219 | 7 | 42 | - | 0 |
| 12-23-2018 | 1800Z | 200 | 7 | 42 | - | 0 |
| 12-23-2018 | 1200Z | 148 | 8 | 42 | - | 0 |
| 12-23-2018 | 0600Z | 169 | 2 | 39 | - | 0 |
| 12-23-2018 | 0000Z | 269 | 7 | 41 | - | 0 |
| 12-22-2018 | 1800Z | 273 | 10 | 39 | - | 0 |
| 12-22-2018 | 1200Z | 285 | 14 | 42 | - | 0 |
| 12-22-2018 | 0600Z | 306 | 14 | 40 | - | 0 |
| 12-22-2018 | 0000Z | 314 | 16 | 41 | - | 0 |
| 12-21-2018 | 1800Z | 324 | 14 | 40 | - | 0 |
| 12-21-2018 | 1200Z | 324 | 11 | 41 | - | 0 |
| 12-21-2018 | 0600Z | 1 | 6 | 39 | - | 0 |
| 12-21-2018 | 0000Z | 129 | 5 | 35 | - | 0 |
| 12-20-2018 | 1800Z | 140 | 12 | 41 | - | 0 |
| 12-20-2018 | 1200Z | 146 | 14 | 41 | - | 0 |
| 12-20-2018 | 0600Z | 157 | 13 | 37 | - | 0 |
| 12-20-2018 | 0000Z | 156 | 10 | 39 | - | 0 |
| 12-19-2018 | 1800Z | 176 | 4 | 41 | - | 0 |
| 12-19-2018 | 1200Z | 186 | 4 | 41 | - | 0 |
| 12-19-2018 | 0600Z | 169 | 6 | 41 | - | 0 |
| 12-19-2018 | 0000Z | 158 | 6 | 39 | - | 0 |
| 12-18-2018 | 1800Z | 192 | 4 | 40 | - | 0 |
| 12-18-2018 | 1200Z | 290 | 7 | 41 | - | 0 |
| 12-18-2018 | 0600Z | 313 | 12 | 40 | - | 0 |
| 12-18-2018 | 0000Z | 291 | 14 | 34 | - | 0 |
| 12-17-2018 | 1800Z | 288 | 18 | 37 | - | 0 |
| 12-17-2018 | 1200Z | 281 | 13 | 42 | - | 0 |
| 12-17-2018 | 0600Z | 241 | 14 | 42 | - | 0 |
| 12-17-2018 | 0000Z | 213 | 16 | 37 | - | 0 |
| 12-16-2018 | 1800Z | 227 | 10 | 39 | - | 0 |
| 12-16-2018 | 1200Z | 26 | 4 | 40 | - | 0 |
| 12-16-2018 | 0600Z | 19 | 8 | 42 | - | 0 |
| 12-16-2018 | 0000Z | 50 | 6 | 42 | - | 0 |
| 12-15-2018 | 1800Z | 15 | 8 | 40 | - | 0 |
| 12-15-2018 | 1200Z | 150 | 2 | 35 | - | 0 |
| 12-15-2018 | 0600Z | 231 | 8 | 42 | - | 0 |
| 12-15-2018 | 0000Z | 215 | 12 | 39 | - | 0 |
| 12-14-2018 | 1800Z | 232 | 7 | 40 | - | 0 |
| 12-14-2018 | 1200Z | 145 | 3 | 42 | - | 0 |
| 12-14-2018 | 0600Z | 152 | 5 | 42 | - | 0 |
| 12-14-2018 | 0000Z | 153 | 3 | 42 | - | 0 |
| 12-13-2018 | 1800Z | 165 | 2 | 41 | - | 0 |
| 12-13-2018 | 1200Z | 226 | 3 | 41 | - | 0 |
| 12-13-2018 | 0600Z | 84 | 4 | 40 | - | 0 |
| 12-13-2018 | 0000Z | 91 | 11 | 36 | - | 0 |
| 12-12-2018 | 1800Z | 114 | 13 | 41 | - | 0 |
| 12-12-2018 | 1200Z | 120 | 12 | 37 | - | 0 |
| 12-12-2018 | 0600Z | 270 | 4 | 42 | - | 0 |
| 12-12-2018 | 0000Z | 281 | 11 | 42 | - | 0 |
| 12-11-2018 | 1800Z | 277 | 14 | 42 | - | 0 |
| 12-11-2018 | 1200Z | 231 | 10 | 40 | - | 0 |
| 12-11-2018 | 0600Z | 201 | 9 | 42 | - | 0 |
| 12-11-2018 | 0000Z | 155 | 7 | 41 | - | 0 |
| 12-10-2018 | 1800Z | 194 | 3 | 42 | - | 0 |
| 12-10-2018 | 1200Z | 241 | 9 | 40 | - | 0 |
| 12-10-2018 | 0600Z | 284 | 7 | 38 | - | 0 |
| 12-10-2018 | 0000Z | 300 | 10 | 40 | - | 0 |
| 12-09-2018 | 1800Z | 226 | 16 | 42 | - | 0 |
| 12-09-2018 | 1200Z | 230 | 18 | 42 | - | 0 |
| 12-09-2018 | 0600Z | 229 | 14 | 42 | - | 0 |
| 12-09-2018 | 0000Z | 226 | 14 | 20 | - | 0 |
The six-hour averages are calculated as follows:
- The 0000Z average uses data from 2100Z to 0259Z.
- The 0600Z average uses data from 0300Z to 0859Z.
- The 1200Z average uses data from 0900Z to 1459Z.
- The 1800Z average uses data from 1500Z to 2059Z.
Display all available SAR data (up to 45 days)
Display GSLM4 station page
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