Alert | N° | Date (UTC) | Max Winds (km/h) | Population in Tropical Storm or higher | Population in Cat 1. or higher | Countries |
| 1 | 31 Dec 2018 00:00 | 102 | 330 thousand | No people | Australia, Papua New Guinea |
| 2 | 31 Dec 2018 06:00 | 102 | 250 thousand | No people | Australia, Papua New Guinea |
| 3 | 31 Dec 2018 12:00 | 102 | 320 thousand | No people | Australia, Papua New Guinea |
| 4 | 31 Dec 2018 18:00 | 111 | 440 thousand | No people | Australia, Papua New Guinea |
| 5 | 01 Jan 2019 00:00 | 111 | 70 thousand | No people | Australia, Papua New Guinea |
| 6 | 01 Jan 2019 06:00 | 120 | 650 thousand | No people | Australia, Papua New Guinea |
| 7 | 01 Jan 2019 12:00 | 120 | 180 thousand | No people | Australia, Papua New Guinea |
| 8 | 01 Jan 2019 18:00 | 120 | 140 thousand | No people | Australia |
| 9 | 02 Jan 2019 00:00 | 120 | 10 thousand | No people | Australia |
| 10 | 02 Jan 2019 06:00 | 111 | 30 thousand | No people | Australia |
| 11 | 02 Jan 2019 12:00 | 111 | 460 thousand | No people | Australia, Papua New Guinea |
| 12 | 02 Jan 2019 18:00 | 111 | 330 thousand | No people | Papua New Guinea, Australia |
| 13 | 03 Jan 2019 00:00 | 102 | 380 thousand | No people | Papua New Guinea, Australia |
| 14 | 03 Jan 2019 06:00 | 102 | 10 thousand | No people | Papua New Guinea, Australia |
| 15 | 03 Jan 2019 12:00 | 111 | 10 thousand | No people | Papua New Guinea, Australia |
| 16 | 03 Jan 2019 18:00 | 111 | 10 thousand | No people | Papua New Guinea, Australia |
| 17 | 04 Jan 2019 00:00 | 111 | 10 thousand | No people | Papua New Guinea, Australia |
| 18 | 04 Jan 2019 06:00 | 93 | 10 thousand | No people | Papua New Guinea, Australia |
| 19 | 04 Jan 2019 12:00 | 83 | 10 thousand | No people | Papua New Guinea, Australia |
| 20 | 04 Jan 2019 18:00 | 93 | 10 thousand | No people | Papua New Guinea, Australia |
| 21 | 05 Jan 2019 00:00 | 83 | 10 thousand | No people | Papua New Guinea, Australia |
| 22 | 05 Jan 2019 06:00 | 83 | 10 thousand | No people | Papua New Guinea, Australia |
| 23 | 05 Jan 2019 12:00 | 83 | 20 thousand | No people | Papua New Guinea, Australia |
| 24 | 05 Jan 2019 18:00 | 93 | 190 thousand | No people | Papua New Guinea, Australia |
| 25 | 06 Jan 2019 00:00 | 83 | 230 thousand | No people | Papua New Guinea, Australia |
| 26 | 06 Jan 2019 06:00 | 74 | 460 thousand | No people | Papua New Guinea, Australia |
| 27 | 06 Jan 2019 12:00 | 65 | 10 thousand | No people | Papua New Guinea, Australia |
| 28 | 06 Jan 2019 18:00 | 65 | 460 thousand | No people | Australia, Papua New Guinea |
| 29 | 07 Jan 2019 00:00 | 74 | 80 thousand | No people | Australia, Papua New Guinea |
| 30 | 07 Jan 2019 06:00 | 74 | 290 thousand | No people | Australia, Papua New Guinea |
| 31 | 07 Jan 2019 12:00 | 74 | 460 thousand | No people | Australia, Papua New Guinea |
| 32 | 07 Jan 2019 18:00 | 65 | 240 thousand | No people | Australia, Papua New Guinea |
| 33 | 08 Jan 2019 00:00 | 56 | 10 thousand | No people | Australia, Papua New Guinea |