Surf Forecasts:
How big are the waves at Castlerock today (01 Nov):
- Morning surf: Morning surf (01 Nov, local time) - 3ft (0.9m), 13s period with NW swell.
- Afternoon surf: Afternoon surf (01 Nov, local time) - 3ft (0.9m), 12s period with NW swell.
- Evening surf: Evening surf (01 Nov, local time) - 3ft (0.9m), 12s period with NW swell.
The current surf forecast for Castlerock at 8AM is: 0.9m 13s primary swell from a Northwest direction and 0.1m 6s secondary swell from a North direction, 0.5m 4s secondary swell from a North-northwest direction (forecast issued at 11:00pm October 31). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Nov) | 3ft (0.9m) | 13s |
| Afternoon (01 Nov) | 3ft (0.9m) | 12s |
| Evening (01 Nov) | 3ft (0.9m) | 12s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 10°C on Sat night, min 9°C on Sat night). Wind will be generally light. | |||||||||||||||||
Sunday 1 | Monday 2 | ||||||||||||||||
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 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 | 273 | 265 | 256 | 265 | 273 | 265 | 240 | 309 | 224 | 147 | 145 | 168 | 187 | 151 | 102 | 100 | 79 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | glassy | glassy | glassy | cross | cross-off |
High Tide | 9:34PM1.24m | 10:23AM1.50m | 10:58PM1.08m | 12:07PM1.46m | |||||||||||||
Low Tide | 3:50AM0.49m | 5:37PM0.57m | 5:18AM0.55m | 7:19PM0.55m | |||||||||||||
 | | | |  | | | | | | | | |  | | | | |
 | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — |
 | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:47 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Feels °C | 6 | 6 | 5 | 6 | 5 | 4 | 4 | 4 | 5 | 6 | 6 | 7 | 7 | 7 | 8 | 7 | 7 |
Swell 1 Height (m) Direction Period (s) | 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 | 273 | 265 | 256 | 265 | 273 | 265 | 240 | 309 | 224 | 147 | 145 | 168 | 187 | 151 | 102 | 100 | 79 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | N 6 | — | — | — | — | — | NNE 4 | — | — | — | — | — | — |
| kJ | — | — | — | — | 1 | — | — | — | — | — | 4 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 4 | NNW 4 | NNW 4 | NNW 4 | NNW 4 | NNW 4 | NNW 4 | — | — | N 4 | — | — | — | — | — | — | — |
| kJ | 6 | 11 | 12 | 10 | 6 | 9 | 13 | — | — | 7 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 131 | 131 | 131 | 131 | 131 | 144 | 72 | 71 | 71 | 66 | 66 | 25 | 0 | 0 | 0 | 2 | 0 |
Best forecast wave conditions in Londonderry | |||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||
Header Global | |||||||||||||||||
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