Surf Forecasts:
How big are the waves at Castlerock today (14 Jun):
- Afternoon surf: Afternoon surf (14 Jun, local time) - 5.5ft (1.7m), 11s period with NW swell.
- Evening surf: Evening surf (14 Jun, local time) - 2.5ft (0.8m), 11s period with WNW swell.
The current surf forecast for Castlerock at 12AM is: 1.2m 7s primary swell from a Northwest direction and 1.0m 7s secondary swell from a Northwest direction, 0.7m 10s secondary swell from a West-northwest direction (forecast issued at 06:00pm June 13). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Jun) | - | - |
| Afternoon (14 Jun) | 5.5ft (1.7m) | 11s |
| Evening (14 Jun) | 2.5ft (0.8m) | 11s |
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 Mon night. Very mild (max 16°C on Mon afternoon, min 10°C on Sat night). Winds decreasing (fresh winds from the WNW on Sat afternoon, calm by Mon night). | ||||||||||||||||||||||||
Sat 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
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 11 | NW 7 | NW 7 | NW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | WNW 8 | WNW 8 | NNW 6 | NNW 6 | NNW 6 | N 6 | W 7 | W 12 | W 11 | W 11 | W 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 702 | 189 | 152 | 95 | 81 | 81 | 61 | 92 | 73 | 47 | 31 | 21 | 15 | 6 | 6 | 3 | 3 | 3 | 3 | 1 | 3 | 2 | 2 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | off | off | off |
High Tide | 5:33PM1.64m | 5:55AM1.74m | 6:21PM1.77m | 6:44AM1.74m | 7:08PM1.87m | 7:31AM1.69m | ||||||||||||||||||
Low Tide | 11:49PM0.23m | 12:18PM0.17m | 00:46AM0.15m | 1:03PM0.13m | 1:42AM0.11m | |||||||||||||||||||
 | |  |  |  |  | | | | | | | | | | | | | |  | | | | | |
 | — | — | — | — | 4:46 | — | — | — | — | — | — | — | 4:46 | — | — | — | — | — | — | — | 4:46 | — | — | — |
 | — | — | 10:07 | — | — | — | — | — | — | — | 10:07 | — | — | — | — | — | — | — | 10:07 | — | — | — | — | 10:08 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Temp °C | 13 | 12 | 11 | 11 | 10 | 10 | 11 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 14 | 15 | 16 | 16 | 14 | 14 | 14 | 14 | 15 | 15 |
Feels °C | 6 | 6 | 6 | 7 | 6 | 7 | 8 | 10 | 11 | 11 | 12 | 9 | 9 | 9 | 10 | 12 | 12 | 13 | 12 | 14 | 14 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | — | WNW 11 | WNW 11 | NW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 5 | N 5 | NNW 6 | NNW 6 | NNW 6 | N 6 | ESE 4 | E 4 | E 3 | W 11 | W 11 |
| kJ | — | 151 | 101 | 91 | 81 | 81 | 61 | 92 | 73 | 47 | 31 | 21 | 15 | 5 | 2 | 3 | 3 | 3 | 3 | 3 | 1 | 1 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | WNW 10 | WNW 10 | WNW 10 | NNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NNW 6 | N 5 | — | NW 7 | W 7 | N 6 | N 6 | W 11 | — | — |
| kJ | — | — | — | 95 | 56 | 38 | 28 | 28 | 16 | 16 | 14 | 7 | 6 | 6 | 3 | 2 | — | 2 | 1 | 1 | 1 | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | N 10 | NNW 10 | WNW 9 | — | — | — | — | — | — | — | WNW 8 | NW 7 | NW 7 | W 10 | W 10 | W 7 | W 12 | N 6 | N 6 | N 6 |
| kJ | — | — | — | — | 2 | 10 | 29 | — | — | — | — | — | — | — | 6 | 2 | 2 | 2 | 2 | 1 | 3 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | NW 11 | NW 7 | NW 7 | — | — | — | — | — | — | — | — | — | — | — | ESE 2 | ESE 3 | ESE 4 | ESE 4 | ESE 4 | — | — | — | — | — |
| kJ | 702 | 189 | 152 | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 5 | 5 | 5 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 385 | 385 | 251 | 251 | 114 | 54 | 97 | 97 | 107 | 25 | 16 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 42 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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