Surf Forecasts:
How big are the waves at Castlerock today (19 Jun):
- Morning surf: Morning surf (19 Jun, local time) - 1.5ft (0.4m), 9s period with WNW swell.
- Afternoon surf: Afternoon surf (19 Jun, local time) - 1.5ft (0.4m), 8s period with NW swell.
- Evening surf: Evening surf (19 Jun, local time) - 1.5ft (0.4m), 8s period with NW swell.
The current surf forecast for Castlerock at 2PM is: 0.5m 8s primary swell from a Northwest direction (forecast issued at 06:00am June 19). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Jun) | 1.5ft (0.4m) | 9s |
| Afternoon (19 Jun) | 1.5ft (0.4m) | 8s |
| Evening (19 Jun) | 1.5ft (0.4m) | 8s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Fri morning. Very mild (max 18°C on Sun afternoon, min 11°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Mon 22 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | WNW 9 | NW 8 | WNW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 6 | WNW 6 | NW 6 | WNW 6 | NW 6 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 30 | 18 | 30 | 34 | 16 | 15 | 15 | 14 | 14 | 13 | 12 | 10 | 15 | 19 | 17 | 11 | 16 | 33 | 34 | 43 | 33 | 33 | 33 | 34 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-on | on | on | cross-on | on | glassy | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | glassy | glassy | off | glassy | glassy | cross-on | cross-on | cross-on | cross-on | glassy |
High Tide | 9:49AM1.38m | 10:29PM1.81m | 10:39AM1.27m | 11:26PM1.70m | 11:36AM1.18m | 00:28AM1.57m | ||||||||||||||||||
Low Tide | 4:25AM0.28m | 4:05PM0.19m | 5:20AM0.38m | 4:55PM0.27m | 6:17AM0.47m | 5:50PM0.37m | ||||||||||||||||||
 |  | |  | | |  |  |  | | |  | | | | | | | | | | | |  | |
 | 4:46 | — | — | — | — | — | — | — | 4:46 | — | — | — | — | — | — | — | 4:46 | — | — | — | — | — | — | 4:46 |
 | — | — | — | — | — | — | 10:09 | — | — | — | — | — | — | — | 10:09 | — | — | — | — | — | — | — | 10:10 | 10:10 |
mm | 1 | 4 | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 13 | 12 | 13 | 13 | 13 | 13 | 12 | 11 | 11 | 14 | 16 | 16 | 15 | 13 | 12 | 12 | 12 | 13 | 15 | 16 | 18 | 17 | 16 |
Feels °C | 15 | 11 | 11 | 12 | 12 | 12 | 13 | 10 | 8 | 8 | 11 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 12 | 13 | 14 | 16 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | NW 8 | WNW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 6 | WNW 6 | NW 6 | WNW 6 | NW 6 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 |
| kJ | 30 | 18 | 30 | 34 | 16 | 15 | 15 | 14 | 14 | 13 | 12 | 10 | 15 | 19 | 17 | 11 | 16 | 33 | 34 | 43 | 33 | 33 | 33 | 34 |
Swell 2 Height (m) Direction Period (s) | — | ESE 3 | ESE 6 | ESE 4 | — | N 4 | — | — | — | — | — | — | — | — | — | — | NW 8 | — | — | — | — | — | — | — |
| kJ | — | 1 | 8 | 2 | — | 1 | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | E 5 | — | E 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 4 | — | — | — | NNW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 2 | NNE 2 | — |
| kJ | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 40 | 42 | 41 | 27 | 40 | 40 | 42 | 42 | 42 | 156 | 172 | 298 | 377 | 398 | 42 | 42 | 40 | 27 | 16 | 40 | 16 | 16 | 16 | 16 |
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