Surf Forecasts:
How big are the waves at Castlerock today (16 Jun):
- Morning surf: Morning surf (16 Jun, local time) - 0.5ft (0.1m), 11s period with W swell.
- Afternoon surf: Afternoon surf (16 Jun, local time) - 0.5ft (0.2m), 11s period with W swell.
- Evening surf: Evening surf (16 Jun, local time) - 0.5ft (0.2m), 12s period with W swell.
The current surf forecast for Castlerock at 8PM is: 0.2m 12s primary swell from a West direction (forecast issued at 12:00pm June 16). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Jun) | 0.5ft (0.1m) | 11s |
| Afternoon (16 Jun) | 0.5ft (0.2m) | 11s |
| Evening (16 Jun) | 0.5ft (0.2m) | 12s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 17mm), heaviest on Thu night. Very mild (max 18°C on Tue morning, min 12°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
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) | W 11 | W 11 | W 11 | W 12 | W 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 10 | 9 | 9 | 11 | 11 | 14 | 13 | 25 | 23 | 22 | 20 | 33 | 33 | 60 | 56 | 32 | 31 | 38 | 38 | 55 | 52 | 32 | 31 | 28 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-on | cross-on | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-on | glassy | cross-on | cross-off | cross-off | off |
High Tide | 7:31AM1.69m | 7:56PM1.93m | 8:17AM1.61m | 8:46PM1.94m | 9:03AM1.50m | 9:36PM1.90m | ||||||||||||||||||
Low Tide | 1:48PM0.12m | 2:36AM0.12m | 2:33PM0.12m | 3:30AM0.18m | 3:18PM0.14m | 4:25AM0.28m | ||||||||||||||||||
 | |  |  | |  | | |  | | | | |  | | | | | | | |  | | | |
 | 4:46 | — | — | — | — | — | 4:46 | — | — | — | — | — | — | — | 4:46 | — | — | — | — | — | — | — | 4:46 | — |
 | — | — | — | — | 10:08 | — | — | — | — | — | — | — | 10:08 | — | — | — | — | — | — | — | 10:09 | — | — | 10:09 |
mm | — | — | 1 | — | 1 | 2 | 1 | — | — | — | 1 | — | — | — | — | 2 | 2 | — | — | — | — | — | 2 | 5 |
Temp °C | 17 | 18 | 14 | 15 | 14 | 13 | 14 | 13 | 14 | 17 | 17 | 17 | 15 | 13 | 13 | 12 | 13 | 15 | 16 | 16 | 13 | 13 | 13 | 15 |
Feels °C | 15 | 16 | 11 | 14 | 13 | 11 | 13 | 10 | 10 | 14 | 13 | 15 | 14 | 10 | 10 | 9 | 11 | 13 | 14 | 16 | 12 | 11 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | ESE 3 | ESE 4 | E 4 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 8 |
| kJ | 10 | 9 | 1 | 1 | 1 | 14 | 13 | 25 | 23 | 22 | 20 | 33 | 33 | 60 | 56 | 32 | 31 | 38 | 38 | 55 | 52 | 32 | 31 | 28 |
Swell 2 Height (m) Direction Period (s) | N 6 | N 6 | W 11 | W 12 | W 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 9 | 11 | 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 2 | ESE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 2 | — | — | — | — | — | — | SE 2 |
| kJ | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 42 | 42 | 40 | 40 | 40 | 40 | 41 | 83 | 393 | 42 | 42 | 14 | 14 | 0 | 8 | 14 | 14 | 42 | 70 | 8 | 8 | 16 | 16 | 40 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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