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Castlerock Surf Forecast
/ Londonderry (4 surf breaks) /
Surf Forecasts
Beach/Jetty
Castlerock surf Forecast / Londonderry / Ireland
48hr Weather and Surf, issued 12 pm Friday 26 Apr 2024 BST
Forecast update in hr min s Update imminent
Castlerock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castlerock sea temperature is 9.5°C (Statistics for 26 Apr 1981-2005 - mean: 9.4 °C max: 10.4 °C min: 8.2 °C)
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Castlerock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castlerock sea temperature is 9.5°C (Statistics for 26 Apr 1981-2005 - mean: 9.4 °C max: 10.4 °C min: 8.2 °C)
How big are the waves at Castlerock today?
The current surf forecast for Castlerock at 3PM is: 0.9m 13s primary swell from a Northwest direction and 0.5m 5s secondary swell from a North direction (forecast issued at 12:00pm April 26). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Apr) | 2.5ft (0.7m) | 11s |
| Afternoon (26 Apr) | 3ft (0.9m) | 13s |
| Evening (26 Apr) | 3ft (0.9m) | 13s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Updates in hr min s Update imminent
Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 01 | Thursday 02 | Friday 03 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 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 | 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 | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |    |    |    |    |    |    |    |    | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 11 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 11 | 11 | 12 | 9 | 11 | 11 | 9 | 10 | 10 | 10 | 10 | 5 | 5 | 5 | 4 | 7 | 7 | 4 | 4 | 7 | 7 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 115 | 87 | 238 | 241 | 238 | 175 | 147 | 110 | 81 | 79 | 56 | 50 | 38 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 18 | 26 | 23 | 23 | 28 | 21 | 19 | 14 | 14 | 13 | 12 | 23 | 29 | 45 | 45 | 33 | 35 | 37 | 24 | 31 | 70 | 75 | 44 | 15 | 10 | 10 | 13 | 15 | 17 | 15 | 11 | 12 | 12 | 8 | 11 | 11 | 11 | 11 | 11 | 14 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | on | on | on | on | glass | glass | glass | cross- on | cross- on | glass | glass | glass | glass | glass | glass | cross- on | on | glass | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | glass | cross- off | cross- off | cross- off | glass | cross | cross | cross- on | on |
High Tide / height (m) | 8:00AM 1.67 | 8:18PM 1.68 | 8:32AM 1.58 | 8:53PM 1.62 | 9:07AM 1.48 | 9:34PM 1.53 | 9:48AM 1.36 | 10:25PM 1.42 | 10:42AM 1.22 | 11:38PM 1.35 | 12:07PM 1.11 | 1:21AM 1.37 | 2:04PM 1.11 | 2:50AM 1.51 | 3:27PM 1.22 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 2:13PM 0.24 | 2:32AM 0.31 | 2:39PM 0.30 | 3:05AM 0.40 | 3:10PM 0.38 | 3:47AM 0.51 | 3:52PM 0.47 | 4:53AM 0.62 | 4:57PM 0.55 | 6:39AM 0.67 | 6:35PM 0.59 | 8:27AM 0.61 | 8:10PM 0.55 | 9:44AM 0.46 | ||||||||||||||||||||||||||||||||||||||||||||||
Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 01 | Thursday 02 | Friday 03 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:48 | - | - | - | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:41 | - | - | - | - |
| Sunset | - | - | - | 8:53 | - | - | - | - | - | - | - | 8:55 | - | - | - | - | - | - | - | 8:58 | - | - | - | - | - | - | - | 9:00 | - | - | - | - | - | - | - | 9:01 | - | - | - | - | - | - | - | 9:04 | - | - | - | - | - | - | - | 9:06 | - | - | - | - | - | - | - | 9:07 |
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Rain (mm) | - | 1 | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 4 | 2 | 3 | 2 | 1 | - | 1 | 1 | - | - | - | 1 | 1 | - | 1 | - | 1 | - | - | - | - | 5 | 3 | 3 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 7 | 7 | 7 | 8 | 7 | 6 | 6 | 6 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 7 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 8 | 8 | 9 | 10 | 10 | 10 | 9 | 9 | 10 | 9 | 10 | 11 | 9 | 10 | 10 | 10 | 11 | 13 | 14 | 13 | 12 | 10 | 10 | 10 | 10 | 10 | 11 | 12 | 11 | 9 | 9 | 9 | 9 | 11 | 11 | 12 |
| Feels °C (?) | 4 | 2 | 2 | 3 | 2 | 2 | 4 | 4 | 6 | 5 | 5 | 7 | 6 | 5 | 5 | 4 | 5 | 6 | 6 | 7 | 4 | 4 | 4 | 3 | 3 | 3 | 4 | 2 | 2 | 4 | 2 | 0 | 3 | 1 | 2 | 7 | 5 | 6 | 7 | 7 | 6 | 8 | 10 | 10 | 9 | 8 | 8 | 9 | 8 | 9 | 10 | 12 | 9 | 6 | 6 | 8 | 7 | 9 | 9 | 10 |
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