Surf Forecasts:
How big are the waves at Castlerock today (05 Jul):
- Morning surf: Morning surf (05 Jul, local time) - 2.5ft (0.7m), 8s period with NW swell.
- Afternoon surf: Afternoon surf (05 Jul, local time) - 2ft (0.6m), 8s period with WNW swell.
- Evening surf: Evening surf (05 Jul, local time) - 2.5ft (0.7m), 8s period with WNW swell.
The current surf forecast for Castlerock at 9AM is: 0.7m 8s primary swell from a Northwest direction (forecast issued at 12:00am July 05). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Jul) | 2.5ft (0.7m) | 8s |
| Afternoon (05 Jul) | 2ft (0.6m) | 8s |
| Evening (05 Jul) | 2.5ft (0.7m) | 8s |
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 Sat night. Warm (max 21°C on Tue morning, min 13°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||||||
Sunday 5 | Monday 6 | Tuesday 7 | ||||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | WNW 9 | NW 9 | NW 8 | NW 8 | NW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 121 | 110 | 74 | 72 | 57 | 46 | 56 | 75 | 88 | 111 | 123 | 120 | 108 | 108 | 86 | 86 | 86 | 84 | 82 | 82 | 84 | 84 | 105 | 90 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off |
High Tide | 9:50AM1.38m | 10:27PM1.64m | 10:33AM1.32m | 11:10PM1.59m | 11:25AM1.26m | |||||||||||||||||||
Low Tide | 4:25AM0.47m | 4:04PM0.29m | 5:04AM0.49m | 4:42PM0.37m | 5:50AM0.50m | 5:29PM0.44m | ||||||||||||||||||
 | |  | | | | | | |  | | | |  |  | |  | | | | | | | | |
 | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 10:07 | — | — | — | — | — | — | — | 10:07 | — | — | — | — | — | — | — | 10:06 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 14 | 14 | 16 | 17 | 17 | 16 | 15 | 15 | 15 | 16 | 16 | 19 | 19 | 16 | 14 | 15 | 15 | 19 | 21 | 21 | 20 | 18 |
Feels °C | 11 | 11 | 12 | 13 | 14 | 14 | 13 | 11 | 11 | 11 | 11 | 13 | 14 | 17 | 17 | 15 | 12 | 12 | 12 | 16 | 17 | 17 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | NW 9 | NW 8 | NW 8 | NW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | N 7 | WNW 8 |
| kJ | 121 | 110 | 74 | 72 | 57 | 46 | 56 | 75 | 88 | 111 | 123 | 120 | 108 | 108 | 86 | 86 | 86 | 84 | 82 | 82 | 84 | 84 | 1 | 90 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 9 | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | — | N 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 1 | 1 | 1 | 1 | 1 | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | W 2 | W 3 | W 4 | W 4 | W 4 | W 4 | WSW 3 | W 3 | — | — | — | — | — | — | — | WSW 2 | WNW 3 | WNW 4 | WNW 8 | — |
| kJ | — | — | — | — | 1 | 5 | 12 | 12 | 12 | 12 | 3 | 5 | — | — | — | — | — | — | — | 1 | 3 | 7 | 105 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 157 | 162 | 9 | 0 | 350 | 340 | 368 | 162 | 155 | 142 | 155 | 162 | 0 | 9 | 391 | 0 | 9 | 9 | 9 | 9 | 407 | 407 | 393 | 0 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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