Portmarnock
| Zo | Ma | Di | Wo | Do | Vr | Za | Zo | |
|---|---|---|---|---|---|---|---|---|
| Wind |  | | | | | | | |
| Richting | | | | | | | | |
| Gemiddelde (kn) | 17 | 19 | 23 | 33 | 8 | 6 | 16 | 16 |
| Windstoot (kn) | 27 | 35 | 41 | 48 | 14 | 8 | 20 | 21 |
| Golven | | | | | | | | |
| Richting | | | | | | | | |
| Golfhoogte (m) | 0.6 | 1 | 1.5 | 2.7 | 0.8 | 1 | 1.3 | 0.9 |
| Periode (s) | 3 | 4 | 8 | 9 | 5 | 4 | 6 | 5 |
| Temp. | 10 | 9 | 11 | 2 | 2 | 3 | 3 | 4 |
| Wolken | 91 | 96 | 100 | 100 | 12 | 100 | 100 | 100 |
| Regen | 0.1 | 5.9 | 0.1 | 2.2 | 4.1 |