Surf Forecasts:
How big are the waves at Castlerock today (14 Jul):
- Morning surf: Morning surf (14 Jul, local time) - 1ft (0.3m), 9s period with NW swell.
- Afternoon surf: Afternoon surf (14 Jul, local time) - 0.5ft (0.2m), 11s period with WNW swell.
- Evening surf: Evening surf (14 Jul, local time) - 0.5ft (0.2m), 10s period with WNW swell.
The current surf forecast for Castlerock at 7PM is: 0.2m 10s primary swell from a West-northwest direction and 0.2m 8s secondary swell from a West-northwest direction, 0.2m 3s secondary swell from a East direction (forecast issued at 12:00pm July 14). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Jul) | 1ft (0.3m) | 9s |
| Afternoon (14 Jul) | 0.5ft (0.2m) | 11s |
| Evening (14 Jul) | 0.5ft (0.2m) | 10s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Wed afternoon, min 13°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 14 | Wednesday 15 | Thursday 16 | Fri 17 | |||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | NW 9 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | W 10 | W 9 | W 9 | W 9 | NW 9 | W 9 | W 9 | W 10 | W 10 | W 10 | W 9 | W 9 | W 11 | NW 11 | WNW 10 | NW 12 | NW 11 | NNW 4 | NNW 5 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 13 | 12 | 20 | 10 | 9 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 10 | 5 | 5 | 6 | 13 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | glassy | glassy | glassy | glassy | on | on | on | cross-on | cross-on | cross | cross-on |
High Tide | 7:03PM1.94m | 7:22AM1.64m | 7:49PM2.03m | 8:05AM1.61m | 8:34PM2.05m | |||||||||||||||||||
Low Tide | 12:56PM0.12m | 1:43AM0.10m | 1:39PM0.05m | 2:30AM0.09m | 2:20PM0.01m | 3:15AM0.13m | ||||||||||||||||||
 | | | |  | | | | | | | | | | | | | | | | |  | |  | |
 | 5:05 | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:09 | — |
 | — | — | — | 9:59 | — | — | — | — | — | — | — | 9:58 | — | — | — | — | — | — | — | 9:57 | — | — | — | 9:55 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 19 | 20 | 20 | 19 | 18 | 17 | 16 | 18 | 21 | 23 | 23 | 21 | 20 | 19 | 18 | 20 | 21 | 20 | 19 | 17 | 15 | 14 | 13 |
Feels °C | 13 | 17 | 17 | 19 | 18 | 17 | 16 | 15 | 18 | 20 | 21 | 22 | 20 | 20 | 19 | 18 | 20 | 20 | 19 | 18 | 15 | 13 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | NW 9 | WNW 9 | WNW 10 | WNW 8 | NW 7 | NW 7 | NW 7 | W 9 | W 9 | NW 9 | W 9 | NW 7 | NW 7 | — | — | — | W 7 | W 11 | NW 11 | WNW 10 | NW 12 | NNW 4 | NNW 4 | NNW 5 |
| kJ | 13 | 8 | 20 | 6 | 2 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | — | — | — | 1 | 2 | 5 | 10 | 5 | 1 | 6 | 13 |
Swell 2 Height (m) Direction Period (s) | ENE 3 | WNW 11 | — | WNW 10 | WNW 10 | W 10 | W 9 | NW 6 | NW 6 | NW 6 | NW 6 | W 9 | W 10 | W 7 | W 6 | W 7 | — | W 9 | W 6 | W 6 | NW 9 | NW 11 | NW 11 | WNW 11 |
| kJ | 1 | 12 | — | 10 | 9 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | — | 2 | 1 | 1 | 3 | 5 | 5 | 11 |
Swell 3 Height (m) Direction Period (s) | WNW 11 | ENE 3 | — | — | — | — | — | — | — | — | — | W 7 | — | W 10 | W 10 | W 9 | W 9 | W 7 | — | — | W 6 | NW 9 | W 9 | — |
| kJ | 13 | 1 | — | — | — | — | — | — | — | — | — | 1 | — | 2 | 2 | 2 | 2 | 1 | — | — | 1 | 3 | 2 | — |
Wind waves Height (m) Direction Period (s) | — | — | ENE 3 | E 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 91 | 144 | 251 | 251 | 251 | 251 | 251 | 251 | 251 | 251 | 252 | 144 | 349 | 251 | 97 | 97 |
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