Surf Forecasts:
How big are the waves at Castlerock today (01 Nov):
- Afternoon surf: Afternoon surf (01 Nov, local time) - 3.5ft (1.1m), 13s period with NW swell.
- Evening surf: Evening surf (01 Nov, local time) - 3.5ft (1.1m), 13s period with NW swell.
The current surf forecast for Castlerock at 12AM is: 1.1m 13s primary swell from a Northwest direction and 0.6m 4s secondary swell from a Northwest direction (forecast issued at 05:00pm October 31). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Nov) | - | - |
| Afternoon (01 Nov) | 3.5ft (1.1m) | 13s |
| Evening (01 Nov) | 3.5ft (1.1m) | 13s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Sat afternoon. Very mild (max 12°C on Sat afternoon, min 9°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Sat 31 | Sunday 1 | Monday 2 | |||||||||||||||||
3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 380 | 374 | 411 | 398 | 341 | 352 | 273 | 265 | 319 | 309 | 161 | 205 | 171 | 165 | 187 | 151 | 102 | 100 | 79 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | glassy | cross-off |
High Tide | 9:34PM1.24m | 10:23AM1.50m | 10:58PM1.08m | 12:07PM1.46m | |||||||||||||||
Low Tide | 4:00PM0.47m | 3:50AM0.49m | 5:37PM0.57m | 5:18AM0.55m | 7:19PM0.55m | ||||||||||||||
 |  |  | | |  |  | | | | | | | | |  | | | | |
 | — | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — |
 | 4:52 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:47 | — | — |
mm | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 9 |
Feels °C | 11 | 8 | 5 | 6 | 5 | 6 | 5 | 4 | 5 | 4 | 5 | 5 | 6 | 7 | 7 | 7 | 9 | 9 | 7 |
Swell 1 Height (m) Direction Period (s) | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 |
| kJ | 380 | 374 | 411 | 398 | 341 | 352 | 273 | 265 | 319 | 309 | 161 | 205 | 171 | 165 | 187 | 151 | 102 | 100 | 79 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | N 6 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NW 4 | NW 4 | NNW 4 | — | NNW 4 | NNW 4 | NNW 4 | — | N 4 | — | — | — | — | — | — | — | — |
| kJ | — | — | 6 | 14 | 12 | — | 6 | 9 | 15 | — | 8 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 297 | 131 | 131 | 114 | 71 | 71 | 251 | 71 | 71 | 71 | 70 | 66 | 40 | 25 | 25 | 14 | 0 | 0 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
Header Global | |||||||||||||||||||
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