Llangennith - surf spot statistics

Llangennith in the UK offers varied surf conditions throughout the year, with the best months generally being autumn and winter when ground swells dominate and wave quality improves. From January to February, ground swells are most frequent (around 52-53%), with mean swell sizes around 1.3-1.4m. However, wind conditions are poor (87-89% unfavorable), often creating choppy surf. March sees a slight drop in ground swells (40%) and smaller waves (1.1m), maintaining challenging winds. Spring (April-June) brings weaker conditions, with ground swells dropping significantly (8-24%) and wind swells taking over. Swell size averages a modest 0.7-0.8m, and wind quality remains poor (87-91% unfavorable). Summer (July-August) is the least favorable, with minimal ground swells (3%), tiny waves (0.7m), and very poor winds (95% unfavorable). September marks a transition, with a slight uptick in ground swells (11%) but still subpar winds. October-December sees improving conditions, with ground swells increasing (23-46%), swell sizes growing (1.1-1.3m), though wind quality remains an issue (90% unfavorable). The prime window for surfers is late autumn to early winter (October-December), when ground swells return and wave heights increase, despite persistent wind challenges. January-February also provides solid swells but similarly tricky winds. For the cleanest and most powerful waves, advanced surfers should target the winter months, while summer offers only small, wind-affected conditions suitable for beginners or longboarders.

November at Llangennith offers variable but often surfable conditions, with an average swell height of 1.2m and a decent period of 9.4s, suggesting consistent, well-formed waves. The primary swell directions are WSW and SW, which account for the majority of rideable waves—particularly in the 1-2.5m range, making it the most reliable source of quality surf. These swells are typically clean and well-organized, though wind conditions can be hit or miss, with only 10% of days providing ideal offshore winds (likely from the east or northeast). Winds are more frequently from the southwest to west, which can create onshore chop, especially at higher speeds (20-30kph+). Smaller swells (0.5-1.5m) from ENE or SE occasionally provide cleaner sessions when winds align, but they’re less consistent. Bigger swells (2m+) are rarer but do occur, mostly from SW/WSW, though stronger winds may accompany them. Overall, November is mid-range—expect a mix of messy days and good sessions, with the best potential when WSW swells coincide with lighter easterly winds. Pack adaptable equipment: a shortboard for clean days, a step-up for size, and possibly a fish for smaller swells.