Portmarnock
| Zo | Ma | Di | Wo | Do | Vr | Za | Zo | |
|---|---|---|---|---|---|---|---|---|
| Wind |  | | | | | | | |
| Richting | | | | | | | | |
| Gemiddelde (kn) | 7 | 8 | 9 | 11 | 13 | 12 | 19 | 9 |
| Windstoot (kn) | 9 | 9 | 9 | 18 | 19 | 15 | 27 | 8 |
| Golven | | | | | | | | |
| Richting | | | | | | | | |
| Golfhoogte (m) | 0.5 | 0.1 | 0.4 | 0.3 | 0.7 | 0.3 | 1.5 | 0.3 |
| Periode (s) | 5 | 16 | 3 | 2 | 4 | 4 | 5 | 15 |
| Temp. | 15 | 15 | 14 | 12 | 9 | 14 | 13 | 13 |
| Wolken | 16 | 21 | 51 | 100 | 100 | 27 | 100 | 11 |
| Regen | 0.1 | 0.9 | 0.1 | 0.4 |