Surf Forecasts:
How big are the waves at Castlerock today (08 Jul):
- Morning surf: Morning surf (08 Jul, local time) - 2ft (0.6m), 9s period with WNW swell.
- Afternoon surf: Afternoon surf (08 Jul, local time) - 2ft (0.6m), 10s period with WNW swell.
- Evening surf: Evening surf (08 Jul, local time) - 1.5ft (0.5m), 10s period with NW swell.
The current surf forecast for Castlerock at 12PM is: 0.6m 9s primary swell from a West-northwest direction and 0.1m 7s secondary swell from a North direction (forecast issued at 06:00am July 08). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Jul) | 2ft (0.6m) | 9s |
| Afternoon (08 Jul) | 2ft (0.6m) | 10s |
| Evening (08 Jul) | 1.5ft (0.5m) | 10s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Thu morning, min 11°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 8 | Thursday 9 | Friday 10 | Sat 11 | |||||||||||||||||||||
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 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | NW 12 | NW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 54 | 55 | 56 | 59 | 61 | 60 | 35 | 35 | 33 | 32 | 32 | 47 | 32 | 31 | 30 | 26 | 15 | 35 | 59 | 75 | 67 | 55 | 55 | 54 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | cross-on | on | cross-on | glassy | cross-off | off | cross-off | glassy | on | on | cross-on | cross-on | glassy | glassy | glassy | on | on | on | on | cross-on | cross-on |
High Tide | 12:31PM1.21m | 1:10AM1.46m | 1:56PM1.21m | 2:30AM1.44m | 3:19PM1.30m | |||||||||||||||||||
Low Tide | 6:45AM0.51m | 6:32PM0.51m | 7:52AM0.51m | 7:51PM0.55m | 9:06AM0.48m | 9:22PM0.51m | ||||||||||||||||||
 |  |  | | | | |  | | |  | | | | |  | | | | | | | | | |
 | 4:56 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | 5:01 |
 | — | — | — | — | — | — | 10:05 | — | — | — | — | — | — | — | 10:04 | — | — | — | — | — | — | — | 10:04 | 10:02 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 16 | 16 | 17 | 16 | 15 | 15 | 15 | 16 | 18 | 19 | 18 | 18 | 16 | 15 | 15 | 15 | 16 | 15 | 13 | 12 | 12 | 11 |
Feels °C | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 16 | 19 | 19 | 18 | 18 | 16 | 16 | 16 | 16 | 16 | 15 | 11 | 9 | 9 | 7 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | NW 12 | NW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 54 | 55 | 56 | 59 | 61 | 60 | 35 | 35 | 33 | 32 | 32 | 47 | 32 | 31 | 30 | 26 | 15 | 35 | 59 | 75 | 67 | 55 | 55 | 54 |
Swell 2 Height (m) Direction Period (s) | N 7 | N 7 | N 7 | N 7 | — | — | — | — | — | — | — | — | — | — | — | W 14 | NW 12 | WNW 9 | — | — | — | — | — | — |
| kJ | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 4 | 6 | 15 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 3 | NNW 4 | NNW 4 | N 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 4 | 5 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 8 | 8 | 8 | 42 | 42 | 40 | 40 | 14 | 14 | 16 | 16 | 42 | 42 | 42 | 40 | 40 | 40 | 8 | 131 | 144 | 144 | 144 | 71 | 114 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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