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Surf Forecasts:
Downhill surfForecast / Londonderry / Ireland
48hr Weather and Surf, issued 6 am Sunday 31 May 2026 BSTForecast update in hr min s Forecast update imminent
Downhill surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Downhill sea temperature is
12.1° C
(Which is slightly warmer than usual)How big are the waves at Downhill today (31 May):
- Morning surf: Morning surf (31 May, local time) - 0.5ft (0.2m), 12s period with WNW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 1ft (0.3m), 13s period with WNW swell.
- Evening surf: Evening surf (31 May, local time) - 0.5ft (0.2m), 12s period with WNW swell.
The current surf forecast for Downhill at 1PM is: 0.3m 13s primary swell from a West-northwest direction and 0.2m 6s secondary swell from a West-northwest direction, 0.3m 2s secondary swell from a West direction (forecast issued at 06:00am May 31). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 0.5ft (0.2m) | 12s |
| Afternoon (31 May) | 1ft (0.3m) | 13s |
| Evening (31 May) | 0.5ft (0.2m) | 12s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Mon afternoon. Very mild (max 17°C on Mon morning, min 10°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 13 | WNW 13 | WNW 12 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | W 12 | W 12 | W 11 | W 11 | W 11 | WNW 11 | W 10 | W 10 | WNW 10 | WNW 10 | WNW 5 | NW 4 | NW 4 | NW 4 | W 16 | WNW 16 | |
17 | 16 | 15 | 32 | 33 | 30 | 14 | 14 | 11 | 11 | 10 | 9 | 9 | 11 | 8 | 8 | 19 | 19 | 5 | 5 | 4 | 2 | 5 | 24 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross-on | glassy | off | off | cross-off | cross-off | cross-off | cross-off | off | cross | cross-on | cross-off | cross | cross | cross-on | on | on | on | cross | cross-off | |
High Tide | 6:56AM1.89m | 7:15PM2.01m | 7:28AM1.86m | 7:49PM2.02m | 8:01AM1.82m | 8:24PM2.00m | ||||||||||||||||||
Low Tide | 1:06PM0.33m | 1:34AM0.37m | 1:39PM0.34m | 2:10AM0.40m | 2:12PM0.36m | |||||||||||||||||||
 |  |  |  | | | |  |  | | | | |  | | | | | | | | | | | |
 | 4:56 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | 4:52 |
 | — | — | — | — | — | 9:53 | — | — | — | — | — | — | — | 9:54 | — | — | — | — | — | — | — | 9:55 | — | 9:58 |
— | — | — | 1 | — | — | — | — | 1 | — | — | — | 4 | 2 | — | — | — | — | — | 1 | 1 | 1 | — | — | |
Temp °C | 12 | 12 | 13 | 15 | 16 | 15 | 14 | 13 | 13 | 13 | 15 | 17 | 15 | 16 | 14 | 12 | 11 | 12 | 13 | 14 | 14 | 14 | 13 | 12 |
8 | 7 | 10 | 12 | 13 | 15 | 13 | 11 | 11 | 11 | 14 | 16 | 14 | 14 | 14 | 10 | 9 | 10 | 11 | 12 | 12 | 12 | 11 | 9 | |
Swell 1 Height (m) Direction Period (s) | WNW 13 | WNW 6 | WNW 12 | WNW 13 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 5 | WNW 5 | W 11 | W 11 | W 11 | WNW 11 | W 10 | WNW 5 | WNW 10 | WNW 10 | W 10 | W 10 | W 10 | W 10 | W 10 | WNW 5 |
 kJ | 17 | 4 | 15 | 32 | 6 | 6 | 7 | 3 | 3 | 3 | 10 | 9 | 9 | 11 | 8 | 2 | 19 | 19 | 2 | 2 | 2 | 2 | 2 | 4 |
Swell 2 Height (m) Direction Period (s) | WNW 7 | WNW 13 | WNW 6 | WNW 6 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | W 12 | W 12 | NW 5 | WNW 6 | NW 6 | — | ESE 4 | W 10 | — | — | — | — | — | W 10 | W 16 | WNW 16 |
| kJ | 4 | 16 | 3 | 3 | 33 | 30 | 14 | 14 | 11 | 11 | 1 | 3 | 1 | — | 1 | 8 | — | — | — | — | — | 2 | 5 | 24 |
Swell 3 Height (m) Direction Period (s) | — | N 10 | N 10 | N 9 | N 9 | N 8 | N 7 | N 7 | N 7 | N 7 | N 6 | N 6 | N 6 | N 6 | WNW 4 | E 4 | — | — | — | — | — | — | W 16 | W 12 |
| kJ | — | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | 5 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | W 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 5 | NW 4 | NW 4 | NW 4 | NW 4 | — |
| kJ | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 4 | 2 | 4 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 39 | 39 | 184 | 184 | 159 | 20 | 37 | 37 | 37 | 37 | 39 | 37 | 37 | 162 | 39 | 39 | 39 | 39 | 39 | 302 | 150 | 85 | 39 | 39 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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