Surf Forecasts:
How big are the waves at Castlerock today (25 Oct):
- Morning surf: Morning surf (25 Oct, local time) - 18ft (5.5m), 14s period with NW swell.
- Afternoon surf: Afternoon surf (25 Oct, local time) - 15ft (4.5m), 13s period with NW swell.
- Evening surf: Evening surf (25 Oct, local time) - 11ft (3.5m), 12s period with NW swell.
The current surf forecast for Castlerock at 1PM is: 5.0m 14s primary swell from a Northwest direction (forecast issued at 05:00am October 25). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Oct) | 18ft (5.5m) | 14s |
| Afternoon (25 Oct) | 15ft (4.5m) | 13s |
| Evening (25 Oct) | 11ft (3.5m) | 12s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 22mm), heaviest during Mon night. Very mild (max 16°C on Mon afternoon, min 8°C on Sun night). Winds decreasing (gales from the WNW on Sun morning, light winds from the S by Sun night). | |||||||||||||||||||||||
Sunday 25 | Monday 26 | Tuesday 27 | |||||||||||||||||||||
2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NW 16 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 11 | NW 11 | NNW 10 | NW 10 | NW 10 | NW 10 | WNW 11 | WNW 12 | WNW 12 | WNW 11 | WNW 12 | WNW 14 | WNW 14 | NW 14 | NW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 17684 | 13526 | 12340 | 9996 | 7468 | 4976 | 3060 | 1993 | 1279 | 932 | 389 | 377 | 157 | 110 | 99 | 184 | 164 | 243 | 579 | 2346 | 3456 | 3810 | 3709 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross-off | off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:59AM1.67m | 5:14PM1.93m | 5:34AM1.76m | 5:50PM1.95m | 6:10AM1.82m | 6:28PM1.90m | |||||||||||||||||
Low Tide | 11:07AM0.13m | 11:40PM0.06m | 11:43AM0.07m | 00:11AM0.05m | 12:21PM0.06m | ||||||||||||||||||
 |  |  |  | |  | |  | | |  | | | | | | |  | | | | | | |
 | — | 6:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — |
 | — | — | — | — | 4:05 | — | — | — | — | — | — | — | 5:02 | — | — | — | — | — | — | — | 5:00 | — | — |
mm | 1 | 1 | 1 | — | — | — | — | — | — | — | 1 | 3 | 1 | 1 | — | 3 | 7 | — | 1 | 1 | 1 | 1 | — |
Temp °C | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 9 | 8 | 8 | 10 | 13 | 15 | 16 | 16 | 15 | 11 | 9 | 10 | 10 | 10 | 9 | 9 |
Feels °C | -5 | -5 | -5 | -4 | -2 | 0 | 2 | 4 | 3 | 2 | 3 | 7 | 11 | 11 | 11 | 10 | 3 | -2 | 0 | 0 | 1 | 1 | 1 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | NW 12 | NW 12 | NW 11 | NW 11 | NNW 10 | NW 10 | NW 10 | NW 10 | WNW 11 | WNW 12 | WNW 12 | WNW 11 | WNW 12 | WNW 14 | WNW 14 | NW 14 | NW 14 |
| kJ | — | — | — | — | — | — | 3060 | 1993 | 1279 | 932 | 389 | 377 | 157 | 110 | 99 | 184 | 164 | 243 | 579 | 2346 | 3456 | 3810 | 3709 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | WNW 11 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | ESE 4 | N 8 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 215 | 160 | 102 | 76 | 47 | 26 | 2 | 1 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | E 4 | NNW 13 | ESE 4 | NNW 8 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 17 | 3 | 7 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 16 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | — | — | — | — | SE 3 | SE 4 | ESE 6 | S 3 | SE 3 | S 3 | SSW 3 | SSW 4 | SSW 4 | WSW 4 | — | — | WSW 4 |
| kJ | 17684 | 13526 | 12340 | 9996 | 7468 | 4976 | — | — | — | — | 6 | 29 | 43 | 5 | 5 | 1 | 5 | 17 | 23 | 29 | — | — | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 500 | 1034 | 1035 | 1035 | 862 | 380 | 387 | 9 | 0 | 2 | 339 | 194 | 390 | 270 | 390 | 405 | 390 | 794 | 794 | 1092 | 555 | 601 | 380 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Castlerock surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest