State of Sea until 0000 Friday 20 February 2026
Dublin - Holyhead
Moderate to rough. Decreasing slight to moderate Wednesday night.
Rosslare - South Wales
Mostly rough. Decreasing moderate to rough on Thursday.
Cork - South Wales
Mostly rough. Decreasing moderate to rough on Thursday.
Rosslare - France
Rough, increasing rough to very rough Wednesday night and very rough to high Thursday.
Cork - France
Rough, increasing rough to very rough Wednesday night and very rough to high Thursday.
Rosslare - Spain
Rough to very rough, increasing very rough to high Wednesday afternoon. Decreasing rough to very rough Thursday night.
| Turais Mhara (Tuairisciúil) | Cód WMO | Airde Shuntasach Tonn (I méadair) | Riocht na Mara |
|---|---|---|---|
| 0 | 0 (0 tr) | Calma | |
| 1 | 0 to 0.1 (0.00 – 0.33 tr) | Socair | |
| 2 | 0.1 to 0.5 (3.9 orl – 1 tr 8orl) | Réidh (Tonnáin) | |
| 3 | 0.5 to 1.25 (1 tr 8 orl – 4 tr 1 orl) | Bog | |
| 4 | 1.25 to 2.5 (4 tr 1 orl – 8 tr 2 orl) | Meánach | |
| 5 | 2.5 to 4 (8 tr 2 orl – 13 tr) | Garbh | |
| 6 | 4 to 6 (13 tr – 20 tr) | An-Gharbh | |
| 7 | 6 to 9 (20 tr – 30 tr) | Ard | |
| 8 | 9 to 14 (30 tr – 46 tr) | An-Ard | |
| 9 | Over 14 (46 tr) | Feiniméanach |