Surf Forecasts:
How big are the waves at Castlerock today (04 Jun):
- Morning surf: Morning surf (04 Jun, local time) - 2.5ft (0.8m), 12s period with WNW swell.
- Afternoon surf: Afternoon surf (04 Jun, local time) - 3ft (0.9m), 6s period with WNW swell.
- Evening surf: Evening surf (04 Jun, local time) - 4.5ft (1.4m), 6s period with WNW swell.
The current surf forecast for Castlerock at 1AM is: 0.4m 12s primary swell from a West-northwest direction (forecast issued at 06:00pm June 03). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Jun) | 2.5ft (0.8m) | 12s |
| Afternoon (04 Jun) | 3ft (0.9m) | 6s |
| Evening (04 Jun) | 4.5ft (1.4m) | 6s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 24mm), heaviest during Wed afternoon. Very mild (max 14°C on Wed afternoon, min 9°C on Thu night). Winds decreasing (strong winds from the W on Thu night, light winds from the SSW by Fri morning). | ||||||||||||||||||||||||
Wed 3 | Thursday 4 | Friday 5 | Sat 6 | |||||||||||||||||||||
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 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 7 | WNW 6 | WNW 6 | WNW 6 | WNW 9 | NW 9 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | WNW 11 | NW 11 | WNW 11 | WNW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 33 | 30 | 48 | 47 | 28 | 27 | 161 | 56 | 61 | 115 | 156 | 372 | 268 | 533 | 396 | 308 | 263 | 233 | 169 | 157 | 166 | 123 | 79 | 79 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:49PM1.62m | 8:52AM1.38m | 9:29PM1.57m | 9:28AM1.32m | 10:12PM1.52m | 10:09AM1.26m | ||||||||||||||||||
Low Tide | 2:41PM0.31m | 3:27AM0.48m | 3:16PM0.34m | 4:09AM0.55m | 3:53PM0.37m | 4:56AM0.61m | ||||||||||||||||||
 |  |  | |  | | | |  | | | |  |  | | | | | | | | | | | |
 | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — |
 | — | 9:57 | — | — | — | — | — | — | — | 9:59 | — | — | — | — | — | — | — | — | 10:00 | — | — | — | — | 10:00 |
mm | 4 | 1 | 4 | 3 | — | 1 | 2 | 1 | — | 1 | — | — | — | — | — | 1 | 1 | 1 | — | — | — | 1 | 2 | 1 |
Temp °C | 14 | 13 | 12 | 12 | 12 | 12 | 11 | 13 | 13 | 12 | 10 | 10 | 9 | 9 | 12 | 13 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 11 |
Feels °C | 10 | 9 | 9 | 8 | 7 | 9 | 4 | 9 | 7 | 4 | 1 | 3 | 3 | 4 | 7 | 9 | 9 | 8 | 8 | 6 | 4 | 3 | 4 | 6 |
Swell 1 Height (m) Direction Period (s) | ESE 4 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 14 | WNW 14 | NW 16 | WNW 14 | NW 9 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | WNW 11 | NW 11 | WNW 11 | ESE 6 |
| kJ | 3 | 30 | 48 | 47 | 28 | 27 | 47 | 28 | 37 | 115 | 65 | 108 | 268 | 533 | 396 | 308 | 263 | 233 | 169 | 157 | 166 | 123 | 79 | 63 |
Swell 2 Height (m) Direction Period (s) | WNW 13 | WNW 6 | — | — | E 5 | — | — | — | — | — | — | — | WNW 12 | — | — | WNW 13 | WNW 13 | — | — | — | — | — | — | WNW 11 |
| kJ | 33 | 4 | — | — | 1 | — | — | — | — | — | — | — | 169 | — | — | 18 | 18 | — | — | — | — | — | — | 79 |
Swell 3 Height (m) Direction Period (s) | WNW 6 | E 4 | — | — | — | — | — | — | — | — | — | — | WNW 15 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | 1 | — | — | — | — | — | — | — | — | — | — | 21 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 2 | SW 3 | — | SSW 2 | WSW 3 | WNW 3 | WNW 12 | WNW 7 | WNW 6 | WNW 6 | WNW 6 | WNW 9 | — | SW 3 | SW 2 | — | — | — | SE 3 | SE 4 | ESE 4 | ESE 5 | SE 6 | — |
| kJ | 1 | 1 | — | 1 | 1 | 1 | 161 | 56 | 61 | 93 | 156 | 372 | — | 1 | 1 | — | — | — | 2 | 10 | 31 | 102 | 123 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 42 | 84 | 14 | 63 | 71 | 349 | 292 | 282 | 313 | 313 | 347 | 380 | 365 | 9 | 9 | 0 | 0 | 2 | 2 | 2 | 257 | 251 | 118 | 4 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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