Surf Forecasts:
How big are the waves at Castlerock today (28 Oct):
- Morning surf: Morning surf (28 Oct, local time) - 7ft (2.1m), 12s period with NW swell.
- Afternoon surf: Afternoon surf (28 Oct, local time) - 6ft (1.8m), 11s period with NW swell.
- Evening surf: Evening surf (28 Oct, local time) - 5ft (1.5m), 11s period with NW swell.
The current surf forecast for Castlerock at 12AM is: 2.5m 13s primary swell from a Northwest direction (forecast issued at 05:00pm October 27). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Oct) | 7ft (2.1m) | 12s |
| Afternoon (28 Oct) | 6ft (1.8m) | 11s |
| Evening (28 Oct) | 5ft (1.5m) | 11s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Tue night. Very mild (max 13°C on Wed morning, min 9°C on Tue afternoon). Winds decreasing (strong winds from the WSW on Tue afternoon, light winds from the S by Wed afternoon). | |||||||||||||||||||
Tue 27 | Wednesday 28 | Thursday 29 | |||||||||||||||||
3 PM | 6 PM | 9 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 14 | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | WNW 13 | WNW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 2603 | 2499 | 2305 | 1982 | 1500 | 1336 | 1111 | 898 | 743 | 617 | 496 | 391 | 330 | 222 | 188 | 136 | 71 | 102 | 175 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | cross-off | off |
High Tide | 6:28PM1.90m | 6:48AM1.84m | 7:08PM1.79m | 7:29AM1.80m | 7:51PM1.63m | ||||||||||||||
Low Tide | 12:21PM0.06m | 00:44AM0.08m | 1:02PM0.09m | 1:19AM0.16m | 1:49PM0.19m | ||||||||||||||
 |  | |  |  | |  |  |  | | | | | | | | | | | |
 | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — |
 | 5:00 | — | — | — | — | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:55 | — | — |
mm | 1 | — | — | — | 3 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 9 | 9 | 10 | 12 | 12 | 12 | 13 | 13 | 13 | 12 | 11 | 11 | 10 | 10 | 12 | 13 | 12 | 11 |
Feels °C | 1 | 1 | 2 | 3 | 7 | 7 | 7 | 8 | 9 | 10 | 9 | 8 | 7 | 6 | 6 | 7 | 7 | 7 | 5 |
Swell 1 Height (m) Direction Period (s) | NW 14 | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | WNW 13 | WNW 14 |
| kJ | 2603 | 2499 | 2305 | 1982 | 1500 | 1336 | 1111 | 898 | 743 | 617 | 496 | 391 | 330 | 222 | 188 | 136 | 71 | 102 | 175 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 10 | WNW 11 | NW 9 | NW 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 35 | 43 | 41 | 29 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 4 | WSW 4 | SW 4 | SW 3 | SW 3 | WSW 3 | SW 3 | WSW 3 | SW 3 | — | — | — | — | — | SSE 2 | SSE 2 | SE 3 | SE 3 | SE 4 |
| kJ | 27 | 13 | 13 | 5 | 5 | 4 | 2 | 3 | 2 | — | — | — | — | — | 1 | 1 | 2 | 5 | 14 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1263 | 862 | 559 | 559 | 559 | 419 | 9 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 390 | 390 |
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