Surf Forecasts:
How big are the waves at Castlerock today (22 Jun):
- Afternoon surf: Afternoon surf (22 Jun, local time) - 1.5ft (0.4m), 7s period with NW swell.
- Evening surf: Evening surf (22 Jun, local time) - 1.5ft (0.4m), 7s period with NW swell.
The current surf forecast for Castlerock at 11PM is: 0.4m 7s primary swell from a Northwest direction and 0.1m 9s secondary swell from a North direction (forecast issued at 06:00pm June 22). The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Jun) | - | - |
| Afternoon (22 Jun) | 1.5ft (0.4m) | 7s |
| Evening (22 Jun) | 1.5ft (0.4m) | 7s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Thu morning. Warm (max 22°C on Thu morning, min 14°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 22 | Tuesday 23 | Wednesday 24 | Thu 25 | |||||||||||||||||||||
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 | 10 AM | 1 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | WNW 6 | NW 4 | NW 5 | NW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 7 | WNW 8 | WNW 8 | WNW 9 | WNW 10 | WNW 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 17 | 17 | 17 | 12 | 7 | 7 | 7 | 6 | 4 | 5 | 7 | 8 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 13 | 16 | 42 | 43 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | off | off | off | cross-off | glassy | on | on | on | on | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | on | glassy | glassy | cross-on | cross | cross-off |
High Tide | 1:37AM1.46m | 2:09PM1.14m | 2:45AM1.39m | 3:22PM1.21m | 3:44AM1.35m | |||||||||||||||||||
Low Tide | 6:52PM0.47m | 8:15AM0.56m | 8:02PM0.54m | 9:13AM0.56m | 9:18PM0.57m | 10:07AM0.52m | ||||||||||||||||||
 |  |  |  |  | | | | | | | | | | | | | | | | | |  |  | |
 | — | — | — | — | 4:46 | — | — | — | — | — | — | — | 4:47 | — | — | — | — | — | — | — | 4:47 | — | — | — |
 | — | — | 10:10 | — | — | — | — | — | — | — | 10:10 | — | — | — | — | — | — | — | 10:10 | — | — | — | — | 10:10 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 2 |
Temp °C | 19 | 19 | 19 | 18 | 18 | 18 | 20 | 18 | 20 | 16 | 14 | 14 | 14 | 14 | 15 | 17 | 18 | 18 | 17 | 17 | 16 | 17 | 17 | 22 |
Feels °C | 19 | 19 | 19 | 18 | 18 | 18 | 22 | 17 | 20 | 15 | 13 | 14 | 14 | 14 | 15 | 17 | 18 | 18 | 16 | 17 | 17 | 17 | 16 | 24 |
Swell 1 Height (m) Direction Period (s) | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | WNW 6 | NW 6 | NW 5 | NW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 7 | WNW 8 | WNW 8 | WNW 9 | WNW 10 | WNW 10 |
| kJ | 17 | 17 | 17 | 12 | 7 | 7 | 7 | 6 | 4 | 2 | 7 | 8 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 13 | 16 | 42 | 43 |
Swell 2 Height (m) Direction Period (s) | — | — | N 9 | N 9 | N 9 | N 9 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | W 8 | W 8 | NW 8 | W 10 | — | NW 12 | WNW 11 | — | — |
| kJ | — | — | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | — | 5 | 13 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | — | N 7 | — | — | — | W 13 | — | — | — | — |
| kJ | — | — | — | — | — | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | — | 1 | — | — | — | 4 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | WNW 4 | NW 4 | — | — | — | — | — | — | — | — | — | — | — | — | E 2 | ESE 3 |
| kJ | — | — | — | — | — | — | — | — | 1 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 40 | 40 | 40 | 40 | 41 | 56 | 172 | 414 | 366 | 365 | 87 | 150 | 404 | 404 | 404 | 40 | 150 | 40 | 40 | 40 | 40 | 40 | 16 | 14 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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