Surf Climatology
Castlerock
Londonderry, Northern Ireland
Peak surf season: Jan & Feb
Based on 3-year average offshore wave height · 2022–2024
Best time to visit
3-year monthly avg · offshore significant wave height · 2022–2024
Peak surf season:JanFeb
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.8m
0.4m
0.0m
Peak monthsThis monthOff-peakTap a bar for details
Jan0.78m8.5sNW
Feb0.83m9.2sNW
Mar0.55m8.7sNW
Apr0.46m7sNNW
May0.42m6.7sNW
Jun0.43m6.2sNW
Jul0.4m5.8sNW
Aug0.43m6.5sNW
Sep0.5m7sNW
Oct0.56m8sNW
Nov0.53m8.1sNW
Dec0.75m8.6sNW
Offshore significant wave height (Hs) from Open-Meteo ERA5 reanalysis · 2022–2024 · Coordinates 55.0°, -7.0°
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