Surf Forecasts:
How big are the waves at Castlerock today (07 Jul):
- Morning surf: Morning surf (07 Jul, local time) - 3ft (0.9m), 9s period with WNW swell.
- Afternoon surf: Afternoon surf (07 Jul, local time) - 3ft (0.9m), 9s period with WNW swell.
- Evening surf: Evening surf (07 Jul, local time) - 2.5ft (0.8m), 9s period with WNW swell.
The current surf forecast for Castlerock at 12AM is: 1.0m 8s primary swell from a West-northwest direction and 0.1m 9s secondary swell from a North direction (forecast issued at 06:00pm July 06). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Jul) | 3ft (0.9m) | 9s |
| Afternoon (07 Jul) | 3ft (0.9m) | 9s |
| Evening (07 Jul) | 2.5ft (0.8m) | 9s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Tue morning. Warm (max 21°C on Tue morning, min 14°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 6 | Tuesday 7 | Wednesday 8 | Thu 9 | |||||||||||||||||||||
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) | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | NW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 111 | 131 | 134 | 134 | 111 | 113 | 121 | 124 | 124 | 103 | 103 | 71 | 54 | 55 | 55 | 58 | 52 | 45 | 35 | 34 | 32 | 32 | 47 | 47 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | glassy | cross-on | on | on | cross-on | cross-off | off | off | off | glassy |
High Tide | 11:10PM1.59m | 11:25AM1.26m | 00:02AM1.52m | 12:31PM1.21m | 1:10AM1.46m | |||||||||||||||||||
Low Tide | 4:42PM0.37m | 5:50AM0.50m | 5:29PM0.44m | 6:45AM0.51m | 6:32PM0.51m | 7:52AM0.51m | ||||||||||||||||||
 |  | |  | | |  |  | | | |  | | | | | | | | | | | | | |
 | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:58 | — | — | — |
 | — | — | 10:07 | — | — | — | — | — | — | — | 10:06 | — | — | — | — | — | — | — | 10:05 | — | — | — | — | 10:04 |
mm | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 16 | 15 | 16 | 16 | 16 | 21 | 20 | 19 | 17 | 16 | 14 | 14 | 17 | 17 | 17 | 15 | 15 | 15 | 15 | 16 | 19 | 21 |
Feels °C | 18 | 15 | 14 | 11 | 13 | 15 | 14 | 18 | 17 | 17 | 16 | 16 | 13 | 13 | 18 | 17 | 16 | 14 | 15 | 15 | 14 | 15 | 19 | 22 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | — | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | N 7 | N 7 | N 7 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | NW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 |
| kJ | 111 | — | 134 | 134 | 111 | 113 | 121 | 1 | 1 | 1 | 103 | 71 | 54 | 55 | 55 | 58 | 52 | 45 | 35 | 34 | 32 | 32 | 47 | 47 |
Swell 2 Height (m) Direction Period (s) | — | — | N 9 | N 9 | N 8 | N 8 | N 8 | — | — | — | N 7 | N 7 | N 7 | N 7 | N 7 | N 7 | N 7 | — | — | — | — | — | — | — |
| kJ | — | — | 2 | 1 | 1 | 1 | 1 | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | WNW 8 | — | — | W 4 | — | — | WNW 9 | WNW 9 | WNW 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 131 | — | — | 7 | — | — | 124 | 124 | 103 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 187 | 9 | 9 | 155 | 0 | 9 | 71 | 398 | 398 | 9 | 0 | 8 | 8 | 8 | 16 | 42 | 42 | 40 | 14 | 14 | 16 | 16 | 14 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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