Surf Forecasts:
How big are the waves at Castlerock today (04 Nov):
- Morning surf: Morning surf (04 Nov, local time) - 1.5ft (0.5m), 15s period with NW swell.
- Afternoon surf: Afternoon surf (04 Nov, local time) - 2ft (0.6m), 14s period with WNW swell.
- Evening surf: Evening surf (04 Nov, local time) - 2ft (0.6m), 13s period with NW swell.
The current surf forecast for Castlerock at 4PM is: 0.6m 14s primary swell from a West-northwest direction and 0.3m 3s secondary swell from a East direction (forecast issued at 11:00am November 04). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Nov) | 1.5ft (0.5m) | 15s |
| Afternoon (04 Nov) | 2ft (0.6m) | 14s |
| Evening (04 Nov) | 2ft (0.6m) | 13s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 10°C on Wed night, min 8°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Wed 4 | Thursday 5 | Friday 6 | Sat 7 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | NW 15 | WNW 14 | WNW 14 | NW 13 | NW 13 | WNW 13 | NW 12 | NW 12 | NW 11 | WNW 11 | WNW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 13 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 109 | 140 | 133 | 142 | 138 | 106 | 72 | 69 | 64 | 47 | 46 | 29 | 25 | 26 | 26 | 24 | 26 | 23 | 37 | 33 | 30 | 30 | 28 | 26 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 2:45PM1.65m | 3:14AM1.30m | 3:32PM1.73m | 3:55AM1.43m | 4:11PM1.77m | 4:31AM1.55m | ||||||||||||||||||
Low Tide | 8:11AM0.45m | 9:31PM0.36m | 9:11AM0.36m | 10:10PM0.27m | 9:59AM0.27m | 10:43PM0.21m | ||||||||||||||||||
 |  | |  | | | |  |  | | | | | |  | | | | | | | | | | |
 | 7:35 | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:41 |
 | — | — | 4:44 | — | — | — | — | — | — | — | 4:42 | — | — | — | — | — | — | — | 4:39 | — | — | — | — | 4:37 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 8 | 9 | 9 | 9 | 10 | 9 | 8 | 9 | 8 | 9 | 10 | 10 | 10 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 |
Feels °C | 5 | 5 | 5 | 5 | 6 | 5 | 4 | 4 | 2 | 3 | 4 | 4 | 4 | 3 | 4 | 5 | 5 | 5 | 6 | 7 | 7 | 7 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | NW 15 | WNW 14 | WNW 14 | NW 13 | NW 13 | WNW 13 | NW 12 | NW 12 | NW 11 | WNW 11 | WNW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | WNW 9 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 |
| kJ | 109 | 140 | 133 | 142 | 138 | 106 | 72 | 69 | 64 | 47 | 46 | 29 | 25 | 25 | 25 | 24 | 17 | 23 | 37 | 33 | 30 | 30 | 28 | 26 |
Swell 2 Height (m) Direction Period (s) | NW 5 | — | — | — | — | — | — | — | — | — | — | NW 13 | — | NW 13 | NW 13 | WNW 13 | NW 13 | WNW 9 | — | — | ENE 3 | ENE 3 | ENE 3 | — |
| kJ | 1 | — | — | — | — | — | — | — | — | — | — | 7 | — | 6 | 7 | 17 | 26 | 8 | — | — | 2 | 1 | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 3 | E 3 | E 3 | ENE 3 | ENE 3 | ENE 4 | ENE 4 | E 4 | E 4 | E 4 | E 4 | E 4 | E 4 | E 4 | E 4 | E 4 | E 4 | E 4 | ENE 4 | ENE 3 | — | — | — | — |
| kJ | 2 | 2 | 2 | 2 | 2 | 4 | 4 | 7 | 11 | 22 | 26 | 17 | 24 | 26 | 26 | 18 | 12 | 7 | 5 | 4 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 2 | 40 | 2 | 40 | 40 | 40 | 40 | 97 | 97 | 40 | 97 | 41 | 40 | 40 | 40 | 40 | 40 | 40 | 16 | 16 | 16 | 16 | 16 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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