Sea Crossings

State of Sea until 0600 Thursday 21 March 2024

Dublin - Holyhead

Moderate, decreasing slight on Tuesday afternoon.

Rosslare - South Wales

Moderate to rough, decreasing moderate on Tuesday night. Decreasing slight to moderate Wednesday night.

Cork - South Wales

Moderate to rough, decreasing moderate on Tuesday night. Decreasing slight to moderate Wednesday night.

Rosslare - France

Moderate to rough, decreasing moderate on Wednesday morning and slight to moderate on Wednesday night.

Cork - France

Moderate to rough, decreasing moderate on Wednesday morning and slight to moderate on Wednesday night.

Rosslare - Spain

Moderate to rough, decreasing moderate on Wednesday morning and slight to moderate on Wednesday night. Remaining rough at times near north coast of Spain.

Legend

Sea Crossings WMO Code Wave height Characteristics
0 0 metres (0 ft) Calm (glassy)
1 0 to 0.1 metres (0.00 to 0.33 ft) Calm (rippled)
2 0.1 to 0.5 metres (3.9 in to 1 ft 7.7 in) Smooth (wavelets)
3 0.5 to 1.25 metres (1 ft 8 in to 4 ft 1 in) Slight
4 1.25 to 2.5 metres (4 ft 1 in to 8 ft 2 in) Moderate
5 2.5 to 4 metres (8 ft 2 in to 13 ft 1 in) Rough
6 4 to 6 metres (13 to 20 ft) Very rough
7 6 to 9 metres (20 to 30 ft) High
8 9 to 14 metres (30 to 46 ft) Very high
9 Over 14 metres (46 ft) Phenomenal