Surf Forecasts:
How big are the waves at Castlerock today (05 Jun):
- Morning surf: Morning surf (05 Jun, local time) - 4.5ft (1.3m), 11s period with NW swell.
- Afternoon surf: Afternoon surf (05 Jun, local time) - 3.5ft (1.1m), 11s period with NW swell.
- Evening surf: Evening surf (05 Jun, local time) - 3.5ft (1.0m), 11s period with NW swell.
The current surf forecast for Castlerock at 2AM is: 1.7m 9s primary swell from a West-northwest direction and 1.4m 9s secondary swell from a Northwest direction, 0.5m 13s secondary swell from a West-northwest direction (forecast issued at 06:00pm June 04). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Jun) | 4.5ft (1.3m) | 11s |
| Afternoon (05 Jun) | 3.5ft (1.1m) | 11s |
| Evening (05 Jun) | 3.5ft (1.0m) | 11s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Sat night. Very mild (max 14°C on Sun morning, min 9°C on Thu night). Winds decreasing (strong winds from the WNW on Thu afternoon, light winds from the SSE by Sat afternoon). | ||||||||||||||||||||||||
Thu 4 | Friday 5 | Saturday 6 | Sun 7 | |||||||||||||||||||||
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 4 | WNW 5 | WNW 8 | WNW 9 | NW 9 | NW 9 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | WNW 11 | NW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 38 | 109 | 315 | 346 | 243 | 215 | 382 | 297 | 303 | 233 | 233 | 215 | 179 | 151 | 151 | 103 | 101 | 99 | 73 | 62 | 59 | 55 | 58 | 86 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | off | off |
High Tide | 9:29PM1.57m | 9:28AM1.32m | 10:12PM1.52m | 10:09AM1.26m | 10:59PM1.47m | 11:00AM1.19m | ||||||||||||||||||
Low Tide | 3:16PM0.34m | 4:09AM0.55m | 3:53PM0.37m | 4:56AM0.61m | 4:35PM0.42m | 5:49AM0.63m | ||||||||||||||||||
 | |  | |  |  | |  |  | | | |  | | | | | | | | | | | | |
 | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — |
 | — | 9:59 | — | — | — | — | — | — | — | — | 10:00 | — | — | — | — | — | — | — | 10:00 | — | — | — | — | 10:01 |
mm | 1 | 1 | — | — | — | — | — | — | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | 2 | — | 2 |
Temp °C | 13 | 12 | 10 | 10 | 9 | 9 | 12 | 13 | 13 | 12 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 13 | 13 | 12 | 13 | 13 | 14 | 13 |
Feels °C | 6 | 3 | 2 | 3 | 3 | 4 | 7 | 8 | 9 | 9 | 8 | 6 | 6 | 6 | 8 | 9 | 10 | 12 | 11 | 7 | 9 | 10 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | W 18 | — | WNW 16 | WNW 9 | NW 9 | NW 9 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | WNW 11 | NW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 6 | — | 97 | 346 | 243 | 215 | 382 | 297 | 303 | 233 | 233 | 215 | 179 | 151 | 151 | 103 | 101 | 99 | 73 | 62 | 59 | 55 | 58 | 86 |
Swell 2 Height (m) Direction Period (s) | — | — | NW 16 | WNW 14 | WNW 12 | WNW 12 | — | WNW 13 | WNW 13 | — | — | — | — | — | — | ESE 4 | E 3 | E 3 | E 3 | E 5 | — | — | — | — |
| kJ | — | — | 65 | 110 | 85 | 153 | — | 18 | 18 | — | — | — | — | — | — | 5 | 2 | 1 | 1 | 1 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | NW 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 54 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 4 | WNW 5 | WNW 8 | — | SW 3 | SW 3 | SW 3 | — | — | — | — | SE 2 | ESE 2 | ESE 3 | E 4 | — | — | — | ESE 6 | — | SSE 2 | SSE 2 | SSE 3 | SSE 2 |
| kJ | 38 | 109 | 315 | — | 2 | 2 | 2 | — | — | — | — | 1 | 1 | 3 | 7 | — | — | — | 3 | — | 1 | 1 | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 313 | 347 | 347 | 254 | 9 | 9 | 9 | 9 | 0 | 0 | 0 | 2 | 2 | 40 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 8 | 8 | 0 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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