Surf Forecasts:
How big are the waves at Castlerock today (28 Jun):
- Afternoon surf: Afternoon surf (28 Jun, local time) - 3ft (0.9m), 13s period with WNW swell.
- Evening surf: Evening surf (28 Jun, local time) - 4.5ft (1.3m), 13s period with WNW swell.
The current surf forecast for Castlerock at 10PM is: 1.4m 13s primary swell from a West-northwest direction (forecast issued at 06:00pm June 28). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Jun) | - | - |
| Afternoon (28 Jun) | 3ft (0.9m) | 13s |
| Evening (28 Jun) | 4.5ft (1.3m) | 13s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Mon night. Very mild (max 17°C on Sun afternoon, min 12°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 28 | Monday 29 | Tuesday 30 | Wed 1 | |||||||||||||||||||||
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 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | NW 11 | WNW 11 | WNW 10 | NW 10 | NW 10 | NW 10 | WNW 10 | WNW 9 | WNW 9 | NW 9 | WNW 9 | WNW 9 | WNW 9 | NW 8 | NW 8 | WNW 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 273 | 536 | 679 | 587 | 473 | 443 | 429 | 335 | 273 | 200 | 178 | 142 | 98 | 94 | 60 | 58 | 56 | 40 | 31 | 31 | 29 | 18 | 17 | 13 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross-off | cross-off | cross-off | off | cross-off | off | on | on | cross-on | cross-on | cross-on | cross | cross | cross-off |
High Tide | 6:19PM1.56m | 6:30AM1.44m | 6:55PM1.63m | 7:03AM1.47m | 7:29PM1.68m | 7:35AM1.48m | ||||||||||||||||||
Low Tide | 00:51AM0.39m | 12:52PM0.31m | 1:29AM0.36m | 1:27PM0.26m | 2:05AM0.36m | |||||||||||||||||||
 |  | |  |  | | |  |  | | |  | | |  | | | | |  | | | | | |
 | — | — | — | — | 4:48 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — |
 | — | — | 10:10 | — | — | — | — | — | — | — | 10:09 | — | — | — | — | — | — | — | 10:09 | — | — | — | — | 10:09 |
mm | — | — | — | — | — | — | — | — | 2 | 2 | 3 | 1 | 1 | 3 | 1 | — | 1 | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 13 | 12 | 13 | 13 | 15 | 17 | 17 | 15 | 13 | 13 | 12 | 12 | 13 | 15 | 15 | 14 | 13 | 13 | 12 | 12 | 13 | 14 |
Feels °C | 11 | 10 | 8 | 7 | 9 | 9 | 11 | 15 | 17 | 14 | 11 | 11 | 8 | 9 | 11 | 15 | 14 | 13 | 12 | 12 | 10 | 11 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | NW 11 | WNW 11 | WNW 10 | NW 10 | NW 10 | NW 10 | WNW 10 | WNW 9 | WNW 9 | NW 9 | WNW 9 | WNW 9 | WNW 9 | NW 8 | NW 8 | WNW 8 |
| kJ | 273 | 536 | 679 | 587 | 473 | 443 | 429 | 335 | 273 | 200 | 178 | 142 | 98 | 94 | 60 | 58 | 56 | 40 | 31 | 31 | 29 | 18 | 17 | 13 |
Swell 2 Height (m) Direction Period (s) | WNW 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 3 | ESE 3 | E 3 | NW 7 | NW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 |
| kJ | 125 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 9 | 9 | 5 | 4 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 12 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — |
Wind waves Height (m) Direction Period (s) | WSW 3 | WSW 3 | SW 3 | SW 3 | SW 3 | SW 3 | — | WSW 3 | — | — | — | — | SE 2 | SE 3 | SE 3 | — | — | — | — | — | — | — | NW 7 | — |
| kJ | 3 | 4 | 2 | 1 | 1 | 1 | — | 1 | — | — | — | — | 1 | 3 | 3 | — | — | — | — | — | — | — | 7 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 429 | 414 | 9 | 9 | 9 | 9 | 9 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 2 | 8 | 63 | 63 | 144 | 144 | 157 | 42 | 42 | 42 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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