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Castlerock Surf Forecast
/ Londonderry (4 surf breaks) /
Surf Forecasts
Castlerock surfForecast / Londonderry / Ireland
48hr Weather and Surf, issued 11 am Sunday 22 Dec 2024 GMTForecast update in hr min s Forecast 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
10.0° C
(Which is normal for this time of year)How big are the waves at Castlerock today?
The current surf forecast for Castlerock at 1PM is: 6.0m 15s primary swell from a Northwest direction (forecast issued at 11:00am December 22). The wind direction is predicted to be cross-onshore and the swell rating is 11.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Dec) | 20ft (6.0m) | 16s |
| Afternoon (22 Dec) | 20ft (6.0m) | 15s |
| Evening (22 Dec) | 15ft (4.5m) | 14s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |    |    |    |    |    |    |    |    | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 14 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 17799 | 17989 | 14969 | 10825 | 8247 | 6045 | 5087 | 3372 | 2267 | 1541 | 1037 | 790 | 699 | 542 | 488 | 463 | 544 | 521 | 2736 | 3077 | 2851 | 2289 | 1915 | 1558 | 1459 | 1459 | 1073 | 880 | 711 | 563 | 1750 | 2328 | 2545 | 2481 | 2102 | 1994 | 1994 | 1914 | 1914 | 1862 | 1680 | 1471 | 1251 | 1135 | 1152 | 1004 | 1004 | 961 | 933 | 1014 | 1119 | 1102 | 1339 | 1537 | 1803 | 3126 | 3369 | 3066 | 3020 | 3271 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off | on | on | on | on | cross- on | cross | cross- off | cross- off | cross- off | off | off | off | off | off | off | off | off | off | cross- off | on | cross- on | glass | cross- on | cross | cross- off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 10:50AM 1.44 | 10:48PM 1.07 | 11:54AM 1.36 | 12:16AM 1.04 | 1:07PM 1.31 | 1:50AM 1.09 | 2:13PM 1.30 | 2:54AM 1.19 | 3:07PM 1.33 | 3:41AM 1.31 | 3:51PM 1.38 | 4:21AM 1.42 | 4:31PM 1.44 | 4:58AM 1.53 | 5:08PM 1.50 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 5:44PM 0.64 | 5:14AM 0.54 | 6:45PM 0.65 | 6:22AM 0.61 | 7:47PM 0.63 | 7:39AM 0.64 | 8:45PM 0.58 | 8:52AM 0.61 | 9:35PM 0.51 | 9:53AM 0.55 | 10:19PM 0.43 | 10:43AM 0.47 | 10:58PM 0.35 | 11:25AM 0.39 | ||||||||||||||||||||||||||||||||||||||||||||||
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | 8:51 | - | - | - | - | - | - | - | 8:52 | - | - | - | - | - | - | - | 8:52 | - | - | - | - | - | - | - | 8:52 | - | - | - | - | - | - | - | 8:52 | - | - | - | - | - | - | - | 8:52 | - | - | - | - | - | - | - | 8:52 | - | - | - | - | - | - | - | 8:52 | - | - | - |
| Sunset | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:01 | - | - | - | - | - | - | - | 4:01 | - | - | - | - | - | - | - | 4:02 | - | - | - | - | - | - | - | 4:04 | - | - | - | - | - | - | - | 4:05 | - |
 |  |  |  |  |  |  | |  |  | | | | | | | | | | | | | | | | | | | | | |  | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | 1 | 1 | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | 3 | 3 | 1 | - | 1 | - | - | - | - | - |
| Temp. °C | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 5 | 6 | 9 | 11 | 12 | 12 | 12 | 12 | 12 | 13 | 14 | 13 | 11 | 11 | 11 | 10 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 9 | 7 | 8 | 8 | 7 | 7 | 7 | 7 | 8 | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 8 |
| Feels °C (?) | -7 | -7 | -7 | -5 | -5 | -3 | 0 | 2 | 1 | 1 | 4 | 7 | 9 | 9 | 8 | 8 | 7 | 9 | 10 | 9 | 6 | 6 | 6 | 4 | 5 | 6 | 7 | 6 | 7 | 7 | 9 | 4 | 4 | 5 | 5 | 4 | 4 | 3 | 3 | 4 | 6 | 6 | 8 | 7 | 7 | 7 | 6 | 6 | 5 | 7 | 5 | 6 | 7 | 5 | 3 | 2 | 2 | 2 | 3 | 3 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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